July 2013

News
NASA Uses GPS Signals to Measure Hurricane Winds

By figuring out how messed up GPS satellite signals get when bouncing around in a storm, NASA Langley researchers have found a way to do something completely different with GPS: measure and map the wind speeds of hurricanes.

Products
Product of the Month: The Lantronix® xSenso™ Controller

Lantronix, Irvine, CA, has introduced the Lantronix® xSenso™ Controller with analog and relay outputs that control industrial processes and equipment based on the sensor readings and predefined thresholds. The controller is a compact, DIN-rail or wall-mount solution that enables...

News
Researchers Generate Invisible Tag for 3D-Printed Objects

The same 3D printing process used to produce an object can simultaneously generate an internal, invisible tag, say scientists at Carnegie Mellon University and Microsoft Research.

Question of the Week
Will We Travel Faster Than the Speed of Light?

NASA engineers at Johnson Space Center have been designing instruments to slightly warp the trajectory of a photon, changing the distance it travels in a certain area, and then observing the change with an interferometer. The team is experimenting with photons to see if warp drive — traveling...

News
Measuring Drivers’ Brain and Eye Activity Could Lead to Fewer Accidents

Latest advances in capturing data on brain activity and eye movement are being combined develop a system that can detect when drivers are in danger of falling asleep at the wheel. The technique combines high-speed eye tracking that records eye movements in unprecedented...

News
Computer-Designed Algorithms Control Network Congestion

TCP, the transmission control protocol, is one of the core protocols governing the Internet. One of TCP’s main functions is to prevent network congestion by regulating the rate at which computers send data.

At the annual conference of the Association for Computing Machinery’s Special...

News
NASA Engineer Advances Nanotechnology for Tiny Satellites

A NASA engineer has achieved a milestone in his quest to advance an emerging super-black nanotechnology that promises to make spacecraft instruments more sensitive without enlarging their size.

Question of the Week
Will You Ever Make Payments Using Facial Recognition Technology?

Technologies like Google Wallet allow users to walk into a store and pay for goods with the swipe of a smartphone. Now, some companies, including the Finland-based startup Unqul, are creating payment systems that use facial recognition to handle all kinds of transactions. Instead...

News
Energy Department, Navy, and Industry Join to Make Jet Fuel from Switchgrass

The Energy Department’s National Renewable Energy Laboratory (NREL) is partnering with Cobalt Technologies, U.S. Navy, and Show Me Energy Cooperative to demonstrate that jet fuel can be made economically and in large quantities from a renewable biomass feedstock such...

News
Modular Plane Provides Glimpse of Tomorrow’s Aircraft

The Clip-Air project envisions an airplane consisting of a single flying wing onto which capsules carrying passengers or freight can be attached. More than a new type of flying device, its innovative concept could revolutionize the airports of the future. Go to the train station to take the...

News
Understanding Dark Lightning Radiation Could Protect Crew and Passengers

Scientists now know that thunderstorms, working as powerful natural terrestrial particle accelerators, produce intense flashes of ionizing radiation called "dark lightning." To further their understanding of this phenomenon, researchers at the U.S. Naval Research...

News
Supercomputers Help Microfluidics Researchers Make Waves

In May 2013, researchers from UCLA, Iowa State and Princeton found a new way of sculpting tailor-made fluid flows by placing tiny pillars in microfluidic channels. By altering the speed of the fluid and stacking many pillars with different widths, placements, and orientations in the...

News
Researchers Use Thermocell to Harvest 'Waste Heat'

A small team of Monash University researchers working under the Australian Research Council (ARC) Centre of Excellence for Electromaterials Science (ACES) has developed an ionic liquid-based thermocell.

News
Repairing Turbines With Robots

The blades in compressors and turbines are subject to particularly high levels of stress and strain. The job of the blades is to convert fluid energy into mechanical energy. They ensure that aircraft engines generate the required thrust and that power plant generators produce sufficient electricity.

Products : Electronics & Computers
3U VPX Ethernet Switches and Routers

Extreme Engineering Solutions, Inc. (X-ES) (Middleton, WI) has introduced the XChange3013 and XChange3018 3U VPX switches and routers. The XChange3018 is the first VPX Ethernet switch to support 10 Gigabit Ethernet using the 10GBASE-T protocol, eliminating the need for 10 Gigabit optical transceivers. The...

Products : Electronics & Computers
Recording System Simulator

Pentek, Inc. (Upper Saddle River, NJ) has announced the SystemFlow Simulator for its Talon(R) analog and digital recording systems. The SystemFlow Simulator includes a virtual recorder server application that simulates disk and I/O transactions for a complete and realistic recording environment. Using either the...

News
NASA Technology Ensures That There’s Water, Water Everywhere

Water is one of the most crucial provisions an astronaut will need to live and work in space. Whether orbiting Earth, working at a lunar base, or traveling to Mars, astronauts must save as much water as possible. On the International Space Station, each crewmember is allocated about...

News
Brain-Computer Interfaces Offer Hope For Paralysis Victims

Small electrodes placed on or inside the brain allow patients to interact with computers or control robotic limbs simply by thinking about how to execute those actions. This technology could improve communication and daily life for a person who is paralyzed or has lost the ability to...

Products : Electronics & Computers
Temperature Controller

Oven Industries’ (Mechanicsburg, PA) 5R7-001 temperature controller creates a seamless transition between heating and cooling devices. With a bi- directional or unidirectional H-bridge configuration, the temperature controller has many benefits including user-friendly PC software that makes it quick and simple to change...

Products : Electronics & Computers
Photo-Etched Lead Frames

Photofabrication Engineering (PEI) (Milford, MA) has expanded its manufacturing capabilities for custom-designed, photochemically-etched surface-mount and insert-mount lead frames for integrated circuit manufacturing. These lead frames are used in a variety of applications including semiconductors, glass-to-metal seals,...

News
Researchers Move Closer to Implantable Electronics

New technology under development at The Ohio State University is paving the way for low-cost electronic devices that work in direct contact with living tissue inside the body. The first planned use of the technology is a sensor that will detect the very early stages of organ transplant...

News
Researchers Build 3D Structures from Liquid Metal

Researchers from North Carolina State University have developed three-dimensional (3D) printing technology and techniques to create free-standing structures made of liquid metal at room temperature.

Question of the Week
Do You Believe Humanoid Robots Can Effectively Aid Humans with Difficult and Dangerous Tasks?

A Pentagon-financed humanoid robot named Atlas made its debut last week. The hydraulically-powered robot, with its oversized chest and powerful long arms, is seen as a new tool that can help humans in natural and man-made disasters. Similarly, an...

News
Simulation Helps Solve Mysteries of Water

Simulation Helps Solve Mysteries of Water A research team from the National Physical Laboratory (NPL), the University of Edinburgh and IBM's TJ Watson Research Center achieved a major breakthrough in the modeling of water that could shed light on its mysterious properties.

News
Building More Sustainable Aircraft with Analysis Software

By the year 2020, the European aviation industry wants to reduce emissions of gases harmful to the climate – carbon dioxide by 50 percent and nitrogen oxide by 80 percent – and also improve the lifecycles of the aircrafts themselves. “Life Cycle Assessment (LCA)” is the term...

News
Cry Analyzer Seeks Clues to Babies’ Health

A team of researchers from Brown University and Women & Infants Hospital of Rhode Island has developed a new computer-based tool to perform finely tuned acoustic analyses of babies’ cries. The team hopes their baby cry analyzer will lead to new ways for researchers and clinicians to use cry in...

News
Researchers Create Lighter, Stronger Metallic 'Bubble Wrap'

Researchers at North Carolina State University have developed a new metallic bubble wrap that is lighter, stronger and more flexible than sheet metal and more heat- and chemical-resistant than plastic or other polymer-based bubble wraps. Potential applications include automobile body...

News
NASA’s Polar Rover Passes First Greenland Test

Defying 30 mph gusts and temperatures down to -22 °F, NASA’s new polar rover recently demonstrated that it could operate completely autonomously in one of Earth’s harshest environments.

News
New System Transforms Communications for Airline Pilots

Under the leadership of the German Aerospace Center, a new system that will lead pilots into the digital world of the 21st century has been tested in flight trials. A single device transmits communications with the ground and via satellite, digitally at high speed. Detailed information,...

News
Network of Cameras Tracks People in Complex Indoor Settings

Carnegie Mellon University has developed a method for tracking the locations of multiple individuals in complex, indoor settings using a network of video cameras. The method was able to automatically follow the movements of 13 people within a nursing home, even though individuals...

Question of the Week
Is Twitter More Valuable Than Newswires?

A University of Edinburgh study, supported by the Engineering and Physical Sciences Research Council, found that news agencies continue to have an edge over Twitter in breaking news first. Over an 11-week period, researchers compared millions of tweets to the output from major news websites. The study...

News
Apache Helicopters Get New “Eyes”

The Army is incorporating a new sensor capability into its Apache helicopters. The Apache Sensors Product Office has accepted delivery of the new Modernized Day Sensor Assembly (M-DSA) Laser Rangefinder Designator (LRFD), the first component to be fielded in the Modernized Day Sensor Assembly. The laser...

News
Tracking Moving People Through Walls Using Wi-Fi Signals

Fadel Adib and Dina Katabi of MIT have developed Wi-Vi, a new technology that can track moving people through walls and behind closed doors using Wi-Fi signals. It can determine with high accuracy up to three moving objects.

News
Blue Force Tracking System Provides Two-Way Situational Awareness

For the first time on the battlefield, maneuver and logistics forces will share situational awareness and messaging, forming a complete and seamless operational picture. The new capability, delivered by integrating the vehicle-based Movement Tracking System (MTS) into the Army's...

News
Army Harnesses Sun And Wind To Reduce Sniper Casualties

The U.S. Army is harnessing the elements to help reduce casualties from sniper attacks on forward operating bases. The U.S. Army Research, Development and Engineering Command's research laboratory and aviation missile and communications-electronics RD&E centers - the Army Research...

Briefs : Physical Sciences
Dielectrophoresis-Based Particle Sensor Using Nanoelectrode Arrays

A method has been developed for concentrating, or partly separating, particles of a selected species from a liquid or gas containing these particles, and flowing in a channel. An example of this is to promote an accumulation (and thus concentration) of the selected particle...

News
Soft, Clothing-Like Exosuit for Walking Assistance

Exoskeletons often fail to allow the wearer to perform natural joint movements, and are also generally heavy, which causes fatigue. For applications where a person only needs partial gait assistance from a robot, researchers from Harvard University's Wyss Institute researchers are pursuing the...

Briefs : Physical Sciences
Global Shutter Imaging

In order to deliver crisp images in high-speed machine vision applications, image sensors require high-speed shuttering ability. The industry has traditionally relied on charge-coupled device (CCD) image sensors using interline transfer architectures to deliver this functionality. However, recent improvements in CMOS...

Briefs : Software
ULTRA: Underwater Localization for Transit and Reconnaissance Autonomy

This software addresses the issue of underwater localization of unmanned vehicles and the inherent drift in their onboard sensors. The software gives a 2 to 3 factor of improvement over the state-of-the-art underwater localization algorithms.

Briefs : Physical Sciences
Multi-Dimensional Damage Detection for Surfaces and Structures

Current designs for inflatable or semirigidized structures for habitats and space applications use a multiple-layer construction, alternating thin layers with thicker, stronger layers, which produces a layered composite structure that is much better at resisting damage. Even though...

Briefs : Physical Sciences
Autonomous Cryogenic Leak Detector for Improving Launch Site Operations

NASA, military, and commercial satellite users need launch services that are highly reliable, less complex, easier to test, and cost effective. This project has developed a tapered optical fiber sensor for detecting hydrogen. The invention involves incorporating chemical...

Briefs : Physical Sciences
Submillimeter Planetary Atmospheric Chemistry Exploration Sounder

A report describes the Submillimeter Planetary Atmospheric Chemistry Exploration Sounder (SPACES), a highsensitivity laboratory breadboard for a spectrometer targeted at orbital planetary atmospheric analysis. The frequency range is 520 to 590 GHz, with a target noise temperature...

Briefs : Manufacturing & Prototyping
Silicon Micromachined Microlens Array for THz Antennas

A 5×5 silicon microlens array was developed using a silicon micromachining technique for a silicon-based THz antenna array. The feature of the silicon micromachining technique enables one to microfabricate an unlimited number of microlens arrays at one time with good uniformity on a silicon...

Briefs : Manufacturing & Prototyping
Method for Reduction of Silver Biocide Plating on Metal Surfaces

Silver ions in aqueous solutions (0.05 to 1 ppm) are used for microbial control in water systems. The silver ions remain in solution when stored in plastic containers, but the concentration rapidly decreases to non-biocidal levels when stored in metal containers. The silver...

Briefs : Electronics & Computers
Forward-Looking IED Detector Ground Penetrating Radar

There have been many developments of mine or metal detectors based on ground penetrating radar techniques, usually in handheld or rover-mounted devices. In most mine or metal detector applications, conditions are in a stationary mode and detection speed is not an important factor.

Briefs : Electronics & Computers
Battery Charge Equalizer with Transformer Array

High-power batteries generally consist of a series connection of many cells or cell banks. In order to maintain high performance over battery life, it is desirable to keep the state of charge of all the cell banks equal. A method provides individual charging for battery cells in a large,...

Briefs : Electronics & Computers
An Efficient, Highly Flexible Multi-Channel Digital Downconverter Architecture

In this innovation, a digital downconverter has been created that produces a large (16 or greater) number of output channels of smaller bandwidths. Additionally, this design has the flexibility to tune each channel independently to anywhere in the input bandwidth to...

Briefs : Electronics & Computers
Fully Printed, Flexible, Phased Array Antenna for Lunar Surface Communication

NASA’s future exploration missions focus on the manned exploration of the Moon, Mars, and beyond, which will rely heavily on the development of a reliable communications infrastructure from planetary surface-to-surface, surface-to-orbit, and back to Earth. Flexible...

Briefs : Electronics & Computers
Dimmable Electronic Ballast for a Gas Discharge Lamp

Titanium dioxide (TiO2) is the most efficient photocatalyst for organic oxidative degradation. TiO2 is effective not only in aqueous solution, but also in nonaqueous solvents and in the gas phase. It is photostable, biologically and chemically inert, and non-toxic....

Briefs : Materials
Differential Muon Tomography to Continuously Monitor Changes in the Composition of Subsurface Fluids

Muon tomography has been used to seek hidden chambers in Egyptian pyramids and image subsurface features in volcanoes. It seemed likely that it could be used to image injected, supercritical carbon dioxide as it is emplaced in porous geological...

Briefs : Materials
Conductive Carbon Nanotube Inks for Use with Desktop Inkjet Printing Technology

Inkjet printing is a common commercial process. In addition to the familiar use in printing documents from computers, it is also used in some industrial applications. For example, wire manufacturers are required by law to print the wire type, gauge, and safety...

Briefs : Materials
Enhanced Schapery Theory Software Development for Modeling Failure of Fiber-Reinforced Laminates

Progressive damage and failure analysis (PDFA) tools are needed to predict the nonlinear response of advanced fiber-reinforced composite structures. Predictive tools should incorporate the underlying physics of the damage and failure mechanisms...

Briefs : Materials
High-Performance, Low-Temperature-Operating, Long-Lifetime Aerospace Lubricants

The synthesis and characterization of six new ionic liquids, with fluoroether moeties on the imidazolium ring, each with vapor pressures shown to be

Briefs : Materials
Carbon Nanotube Microarrays Grown on Nanoflake Substrates

This innovation consists of a new composition of matter where single-walled carbon nanotubes (SWNTs) are grown in aligned arrays from nanostructured flakes that are coated in Fe catalyst. This method of growth of aligned SWNTs, which can yield well over 400 percent SWNT mass per unit...

Briefs : Mechanical & Fluid Systems
Microgravity Drill and Anchor System

This work is a method to drill into a rock surface regardless of the gravitational field or orientation. The required weight-on-bit (WOB) is supplied by a self-contained anchoring mechanism. The system includes a rotary percussive coring drill, forming a complete sampling instrument usable by robot or human....

Briefs : Mechanical & Fluid Systems
Miga Aero Actuator and 2D Machined Mechanical Binary Latch

Shape memory alloy (SMA) actuators provide the highest force-to-weight ratio of any known actuator. They can be designed for a wide variety of form factors from flat, thin packages, to formmatching packages for existing actuators. SMA actuators can be operated many thousands of times, so...

Briefs : Mechanical & Fluid Systems
Granular Media-Based Tunable Passive Vibration Suppressor

A complete, tested, and tunable shock and vibration suppression device is composed of statically compressed chains of spherical particles. The device superimposes a combination of dissipative damping and dispersive effects. The dissipative damping resulting from the elastic wave...

Briefs : Physical Sciences
Micro-XRF for In Situ Geological Exploration of Other Planets

In situ analysis of rock chemistry is a fundamental tool for exploration of planets. To meet this need, a high-spatial- resolution micro x-ray fluorescence (Micro-XRF) instrument was developed that is capable of determining the elemental composition of rocks (elements Na–U) with 100...

Briefs : Physical Sciences
Hydrogen-Enhanced Lunar Oxygen Extraction and Storage Using Only Solar Power

The innovation consists of a thermodynamic system for extracting in situ oxygen vapor from lunar regolith using a solar photovoltaic power source in a reactor, a method for thermally insulating the reactor, a method for protecting the reactor internal components from...

Briefs : Physical Sciences
Miniaturized, High-Speed, Modulated X-Ray Source

A low-cost, miniature x-ray source has been developed that can be modulated in intensity from completely off to full intensity on nanosecond timescales. This modulated x-ray source (MXS) has no filaments and is extremely rugged. The energy level of the MXS is adjustable from 0 to more than 100...

Briefs : Physical Sciences
Uplift of Ionospheric Oxygen Ions During Extreme Magnetic Storms

Research reported earlier in literature was conducted relating to estimation of the ionospheric electrical field, which may have occurred during the September 1859 Carrington geomagnetic storm event, with regard to modern-day consequences.

Briefs : Physical Sciences
Hollow-Fiber Spacesuit Water Membrane Evaporator

The hollow-fiber spacesuit water membrane evaporator (HoFi SWME) is being developed to perform the thermal control function for advanced spacesuits and spacecraft to take advantage of recent advances in micropore membrane technology in providing a robust, heat-rejection device that is less...

Briefs : Information Technology
SynGenics Optimization System (SynOptSys)

The SynGenics Optimization System (SynOptSys) software application optimizes a product with respect to multiple, competing criteria using statistical Design of Experiments, Response-Surface Methodology, and the Desirability Optimization Methodology. The user is not required to be skilled in the...

Briefs : Information Technology
CFD Script for Rapid TPS Damage Assessment

This grid generation script creates unstructured CFD grids for rapid thermal protection system (TPS) damage aeroheating assessments. The existing manual solution is cumbersome, open to errors, and slow.

Briefs : Information Technology
radEq Add-On Module for CFD Solver Loci-CHEM

The radEq software module allows Loci-CHEM to be applied to flow velocities where surface radiation due to heating from compression and friction becomes significant. The module adds a radiation equilibrium boundary condition to the computational fluid dynamics (CFD) code to produce accurate results....

Briefs : Software
Science Opportunity Analyzer (SOA) Version 8

SOA allows scientists to plan spacecraft observations. It facilitates the identification of geometrically interesting times in a spacecraft’s orbit that a user can use to plan observations or instrument-driven spacecraft maneuvers. These observations can then be visualized multiple ways in both two-...

Briefs : Software
Autonomous Byte Stream Randomizer

Net-centric networking environments are often faced with limited resources and must utilize bandwidth as efficiently as possible. In networking environments that span wide areas, the data transmission has to be efficient without any redundant or exuberant metadata.

Briefs : Information Technology
Risk-Constrained Dynamic Programming for Optimal Mars Entry, Descent, and Landing

A chance-constrained dynamic programming algorithm was developed that is capable of making optimal sequential decisions within a user-specified risk bound. This work handles stochastic uncertainties over multiple stages in the CEMAT (Combined EDL-Mobility Analyses...

Briefs : Information Technology
Dynamic Server-Based KML Code Generator Method for Levelof-Detail Traversal of Geospatial Data

Geospatial data servers that support Web-based geospatial client applications such as Google Earth and NASA World Wind must listen to data requests, access appropriate stored data, and compile a data response to the requesting client application. This...

Briefs : Information Technology
Automated Planning of Science Products Based on Nadir Overflights and Alerts for Onboard and Ground Processing

A set of automated planning algorithms is the current operations baseline approach for the Intelligent Payload Module (IPM) of the proposed Hyper spectral Infrared Imager (HyspIRI) mission. For this operations concept, there are only...

Briefs : Information Technology
Distributed Engine Control Empirical/Analytical Verification Tools

NASA’s vision for an intelligent engine will be realized with the development of a truly distributed control system featuring highly reliable, modular, and dependable components capable of both surviving the harsh engine operating environment and decentralized functionality. A...

Articles : Test & Measurement
Network Interface Links Sensor-Web Instruments

NASA Airborne Science operates a fleet of aircraft in conjunction with orbiting satellites for Earth observations. In 2004, NASA started planning missions to employ constellations of instruments flying on those platforms that would mutually interact and communicate as a network with stations on the...

Articles : Sensors/Data Acquisition
Sensor-Web Experiments Advance Earth Science

NASA funds more atmospheric research by far than any other government agency or private concern internationally. More than 100 different instruments have been developed and flown in support of NASA airborne science missions during more than three decades of investigation, most of which were designed,...

Application Briefs : Sensors/Data Acquisition
Thermal Management Technologies Keep Satellite Cool

NASA’s Landsat 8 Earth-observation satellite, part of the Landsat Data Continuity Mission (LDCM), launched into orbit on February 11, 2013. The satellite is intended to monitor environmental, natural, and manmade changes to the Earth’s surface using two sensitive data-collecting...

Application Briefs : Test & Measurement
LIDAR System Enables Global Mapping of Carbon Sources

As a step toward taking active global measurements from space, ITT Exelis and NASA Langley Research Center completed a flight campaign that calculated carbon dioxide over various surfaces and conditions.

Briefs : Information Technology
Linked Autonomous Interplanetary Satellite Orbit Navigation

A navigation technology known as LiAISON (Linked Autonomous Interplanetary Satellite Orbit Navigation) has been known to produce very impressive navigation results for scenarios involving two or more cooperative satellites near the Moon, such that at least one satellite must be in an...

Briefs : Information Technology
Deepak Condenser Model (DeCoM)

Development of the DeCoM comes from the requirement of analyzing the performance of a condenser. A component of a loop heat pipe (LHP), the condenser, is interfaced with the radiator in order to reject heat. DeCoM simulates the condenser, with certain input parameters. Systems Improved Numerical Differencing...

Briefs : Information Technology
Flight Software Math Library

The flight software (FSW) math library is a collection of reusable math components that provides typical math utilities required by spacecraft flight software. These utilities are intended to increase flight software quality reusability and maintainability by providing a set of consistent, well-documented, and tested...

Briefs : Information Technology
Scheduling Operations for Massive Heterogeneous Clusters

High-performance computing (HPC) programming has become increasingly difficult with the advent of hybrid supercomputers consisting of multicore CPUs and accelerator boards such as the GPU. Manual tuning of software to achieve high performance on this type of machine has been performed by...

Briefs : Physical Sciences
Recirculating 1-K-Pot for Pulse-Tube Cryostats

A paper describes a 1-K-pot that works with a commercial pulse tube cooler for astrophysics instrumentation testbeds that require temperatures

Briefs : Physical Sciences
Method for Processing Lunar Regolith Using Microwaves

A paper describes a method of using microwave heating experiments on lunar simulants to determine the mechanism that causes lunar regolith to be such an excellent microwave absorber. The experiments initially compared the effects of sharp particle edges to round particle edges on the heating...

Briefs : Mechanical & Fluid Systems
Wells for In Situ Extraction of Volatiles from Regolith (WIEVR)

A document discusses WIEVRs, a means to extract water ice more efficiently than previous approaches. This water may exist in subsurface deposits on the Moon, in many NEOs (Near- Earth Objects), and on Mars. The WIEVR approach utilizes heat from the Sun to vaporize subsurface ice;...

Briefs : Information Technology
Estimating the Backup Reaction Wheel Orientation Using Reaction Wheel Spin Rates Flight Telemetry from a Spacecraft

A report describes a model that estimates the orientation of the backup reaction wheel using the reaction wheel spin rates telemetry from a spacecraft. Attitude control via the reaction wheel assembly (RWA) onboard a spacecraft...

Briefs : Photonics/Optics
High-Power Single-Mode 2.65-μm InGaAsSb/AlInGaAsSb Diode Lasers

Central to the advancement of both satellite and in-situ science are improvements in continuous-wave and pulsed infrared laser systems coupled with integrated miniaturized optics and electronics, allowing for the use of powerful, single- mode light sources aboard both satellite and...

Briefs : Photonics/Optics
A Hybrid Fiber/Solid-State Regenerative Amplifier with Tunable Pulse Widths for Satellite Laser Ranging

A fiber/solid-state hybrid seeded regenerative amplifier, capable of achieving high output energy with tunable pulse widths, has been developed for satellite laser ranging applications. The regenerative amplifier cavity uses a pair of Nd:YAG...

Briefs : Photonics/Optics
X-Ray Diffractive Optics

X-ray optics were fabricated with the capability of imaging solar x-ray sources with better than 0.1 arcsecond angular resolution, over an order of magnitude finer than is currently possible.

Briefs : Physical Sciences
Optical Device for Converting a Laser Beam Into Two Co-aligned but Oppositely Directed Beams

Optical systems consisting of a series of optical elements require alignment from the input end to the output end. The optical elements can be mirrors, lenses, sources, detectors, or other devices. Complex optical systems are often difficult to align...

Articles : Photonics/Optics
Using Vacuum Technology to Cool CCDs

Imagine a CCD camera operating on a long exposure and seeing only 1 electron per pixel every 16 minutes. That equates to dark current of less than 0.000001 electrons/pixel/sec. Imagine the same camera delivering less than 1.75 electrons readout noise with minimal hot spots and blemishes while delivering a...

Application Briefs : Photonics/Optics
Using Adaptive Optics to Perform Deep-Tissue Cell Imaging

In biological imaging, the object of interest is not always in plain sight. This is especially true when performing microscopy of cells buried deep within tissues. The tissues covering the cells tend to bend and scatter the light passing through them, which prevents acquiring sharp images...

Products : Photonics/Optics
Laser Cutting System

The new CL-400 CO2 laser cutting system from Cincinnati Incorporated (Harrison, OH) uses the water-cooled, high-speed linear motor drives pioneered by Cincinnati, and the same powerful HMI touchscreen control and nesting software found on the company’s other CO2 and fiber laser cutting systems. Dual 5 × 10 ft. (1.5 × 3...

Products : Photonics/Optics
10 to 1000eV Spectrometer

The new McPherson (Chelmsford, MA) Model 248/310 spectrometer can easily make spectral measurements around 13 nanometers and throughout the extreme vacuum ultraviolet and soft x-ray wavelength region. It is ideal for work from 10eV to more than 1000eV. The spectrometer features one meter focal length optics built into a...

Products
High-Speed 3D Laser Scanner

The LJ-V7000 Series High-Speed Laser Scanner from Keyence (Itasca, IL) offers a wide range of heads that provide scan areas as wide as 9.45 inches (240 mm) and Z-axis repeatability as high as 20 millionths of an inch (0.4 μm). The LJ-V7000 Series is the first product on the market to incorporate the next generation...

Products : Photonics/Optics
Optical Fiber

Polymicro Technologies (Lisle, IL) has successfully developed a broad spectrum optical fiber with a low -OH pure silica core that demonstrates significantly reduced content of UV defects and other UV absorption centers. Polymicro’s proprietary FBPI fiber leverages the benefits and mitigates the limitations of standard optical...

Products : Photonics/Optics
Fast Axis Collimators

Edmund Optics (EO) (Barrington, NJ) has introduced new fast axis collimators. These versatile lenses are designed for beam shaping or laser diode collimation applications. Fast Axis Collimators are compact, high performance aspheric cylindrical lenses, designed for fast axis collimation. The combination of aspheric...

Products : Photonics/Optics
45W UV Laser

Spectra-Physics® (Santa Clara, CA), a Newport Corporation brand, recently introduced Quasar 355-45, a UV laser that delivers >45W (225 μJ) at exceptionally high repetition rates. The laser features TimeShift™ technology for pulse shaping and burst-mode operation as well as programmable pulse widths from 100 ns over repetition...

Techs for License
Safety Glass Offers Near-Infrared Heat Reflection

New safety glass technology reflects 50% of solar radiation and transmits 70% of visible light. A non-micellar twisted nematic liquid crystal features cholesteric near-infraredreflecting properties, along with at least one near-infrared absorptive material. The composition can be used as a layer...

Techs for License
Microwave System Accelerates Concrete Curing

A Microwave Irradiated Pyrogen (MIP) system speeds up the concrete curing process. The use of a microwave allows the technology to operate in cold weather. Because the MIP accelerates the heating point, colder countries like Russia and Canada can use the curing system to build roads, tunnels, and...

NASA Tech Needs
Industrial-Scale Gas Separation

A company has a process stream made up of a variety of gases and molecules. They seek effective industrial-scale technologies that separate methane from other hydrocarbons in the stream, as well as from lighter and heavier molecules. The large-scale gas streams must be separated into their constituent molecules at...

NASA Tech Needs
Low-Water Cleaning

The manufacturing of consumer products, foods, and pharmaceuticals requires the implementation of stringent cleaning requirements of all batch, semi-continuous, and continuous processes equipment. High standards of hygienic quality must be maintained, and the cleaning process must ensure that there is no cross-contamination of...

Who's Who
Lora Koenig, Glaciologist, Goddard Space Flight Center, Greenbelt, MD

Dr. Lora Koenig, an expert in remote sensing of ice sheets and snow, provided scientific input for the design of the Goddard Remotely Operated Vehicle for Exploration and Research, or GROVER. The autonomous vehicle will rove through Summit, Greenland and monitor how much snow...

Articles : Materials
Spacesuit Materials Add Comfort to Undergarments

More than two decades ago, NASA started looking for a new way to keep astronauts comfortable in their space gloves. During a spacewalk, temperatures can range between 250 °F and -250 °F. One of the technologies NASA looked at to help maintain a “just right” temperature was phase change...

Briefs : Lighting
Atomic-Scale Investigations Solve Key Puzzle of LED Efficiency

From the high-resolution glow of flat screen televisions to light bulbs that last for years, light-emitting diodes (LEDs) continue to transform technology. The celebrated efficiency and versatility of LEDs and other solid-state technologies including laser diodes and solar...

Briefs : Lighting
Nanometer-Scale Material Can Speed Up and Squeeze Light

In a process comparable to squeezing an elephant through a pinhole, researchers at Missouri University of Science and Technology have designed a way to engineer atoms capable of funneling light through ultra-small channels. Their research is the latest in a series of recent findings related...

Articles : Lighting
Alternate Methods for Testing LED Tube Lights

LED tube lights, designed as replacements for T8/T10/T12 fluorescent bulbs, represent a significant portion of the growing commercial LED lighting market. According to the United States Department of Energy (DOE), commercial forces are driving the development of LED technology, which is expected to...

Articles : Lighting
Adhesives for Optoelectronics

The beginning of the 21st century finds optoelectronics being one of the key disciplines on technological development. Substantial progress in computer technology, communication, imaging, illumination technology, sensor technology, medical technology or production technology is based on the availability of...

Articles : Lighting
Army Explores Potential Of Light-Emitting Monolayers To Benefit Soldiers

Recently Penn State researchers working with the Army Research Office showed that tungstenite, or WS2, formed from layers of sulfur and tungsten atoms, has light-emitting properties that could be useful to plenty of Army applications, like optical sensors or even lasers....

Articles : Lighting
New Manufacturing Technique Could Lead to Brighter, Smarter, More Efficient LEDs

Ming Ma, a doctoral student in the Department of Materials Science and Engineering at Rensselaer Polytechnic Institute, has developed a new method to manufacture light emitting diodes (LEDs) that are brighter, more energy efficient, and have superior technical...

Articles : Lighting
Researchers Demonstrate New Way to Control Light in Semiconductor Nanocrystals

As demand for computing and communication capacity surges, the global communication infrastructure struggles to keep pace. The problem is that light signals transmitted through fiber-optic lines must still be processed electronically, creating a bottleneck in...

Application Briefs : Lighting
LED Technology Shines Light on Bay Bridge as Sustainable Art

Fulfilling the brainchild of Ben Davis, chairman of Illuminate the Arts (ITA) and the vision of acclaimed artist Leo Villareal, The Bay Lights, a new LED lighting system that was developed by Philips Color Kinetics, has transformed San Francisco’s Bay Bridge into a one-of-a-kind...

Application Briefs : Lighting
New Smart Lighting Sensor Solution Can Help Enable Smart Cities

Libelium recently announced the availability of a new smart lighting solution for Smart Cities deployments based on the modular Waspmote Plug & Sense! wireless sensor network platform.

Application Briefs : Lighting
New LED Streetlight Design Curbs Light Pollution

Streetlights illuminate the night, shining upon roadways and sidewalks across the world, but these ubiquitous elements of the urban environment are notoriously inefficient and major contributors to light pollution that washes out the night sky. Recent innovations in light emitting diodes (LEDs)...

Products : Lighting
LED Downlight Dimming Driver

Lutron Electronics (Cooper sburg, PA) is introducing a higher power LED driver that significantly expands the capabilities of its A-Series driver family. The new 50W Hi-lume® A-Series LED driver is designed for use with higher power LED modules, including Philips Fortimo 3000lm and Xicato 3000lm models, among...

Products : Lighting
35W T5 LED Driver

Thomas Research Products (Huntley, IL) has introduced a line of 35W LED drivers that feature form factor matching T5 fluorescent ballasts. These 35W drivers are an expansion of TRP's standard LED series. Input voltage ranges from 120 VAC to 277 VAC. They are IP65 rated. They offer over-voltage, over-current and short circuit...

Products : Lighting
Mid-Power LED Package

Samsung Electronics Co., Ltd. (Seoul, Korea) has begun producing a new lineup of middlepower LED packages with 160lm/W light efficacy, for use in a wide variety of LED lighting applications including LED tubes, LED ambient lighting, downlighting and retrofit lamps. The new LM561B also features electric current rated at...

Products : Lighting
120/240 VAC Panel Mount LEDs

Wilbrecht LEDCO (St. Paul, MN), has introduced new bipolar LEDs. The pre-wired assembly of a red, green or yellow bipolar LED and a resistor will work directly off a 120 VAC or 240 VAC line as a LED power indicator or as a drop-in replacement for neon indicators.

Products : Lighting
LED Lighting Units

The LF2B series of LED lighting units from IDEC (Sunnyvale, CA) is available in a universal 100-240V AC input, making it suitable for use anywhere in the world. And the LF2B LUMIFA series does not produce a flicker-affect you might see from fluorescent lamps.

Products : Lighting
Universal Lighting Controller

ST Microelectronics (Geneva, Switzerland) has introduced the STLUX385 (Masterlux™ platform), the world’s first programmable digital controller specifically optimized for lighting and power-supply applications. The STLUX385 integrates six specially-designed peripherals called SMED (State Machine, Event- Driven)...

Products : Lighting
LED-Downlight Reference Design

Power Integrations (San Jose, CA) recently introduced the RDR-347, an LED-downlight reference design. The new circuit demonstrates the capabilities of the recently launched LYTSwitch™ IC family, which offers high-end dimming performance from a singlestage LED driver.

Products : Lighting
Dual Color LED Light Bar

Larson Electronics (Kemp, TX) has announced the release of a high power LED light bar designed to provide blue or white light output.

Products : Lighting
Buck LED Controller IC

Alpha and Omega Semiconductor Limited (AOS) (Sunnyvale, CA) has released the AOZ1948, a single channel buck LED controller that features LED dimming resolution with full linearity from 100% to 1%. The device is able to support VIN levels from 9V to 500V.

Products : Lighting
150 Watt Constant Voltage LED Driver

Green Watt Power, a division of Calex Mfg. Co. (Concord, CA), recently introduced the GLV-24-150, a constant voltage LED power supply with a universal AC input range, 100 - 277 VAC. The GLV-24-150 has an output voltage of 24 VDC at 6.25 Amps. The unit is housed in an IP67 rated fully encapsulated enclosure...

Podcasts
Lora Koenig, Glaciologist, Goddard Space Flight Center, Greenbelt, MD

Dr. Lora Koenig, an expert in remote sensing of ice sheets and snow, provided scientific input for the design of the Goddard Remotely Operated Vehicle for Exploration and Research, or GROVER. The autonomous vehicle will rove through Summit, Greenland and monitor how much...

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