August 2011

News : Energy
Innovative Heat-Regulating Building Material

Researchers at the University of Nottingham Ningbo, China (UNNC) have invented a material that can retain and release heat according to specific temperature requirements. The material could be used in both new and existing structures and offer considerable energy savings.

Products : Green Design & Manufacturing
Carbon Isotope Analyzer

The G2131-i Isotopic Carbon Analyzer from Picarro (Santa Clara, CA) will enable a range of new scientific applications to better resolve CO2 dynamics in the atmosphere, plant respiration, and the ocean. The carbon isotope analyzer is designed for deployment in the harshest environments.

Products
Frequency Analysis Software

Galil Motion Control (Rocklin, CA) has released Frequency Analysis Software (FAS), which allows tuning of servo control systems in the frequency domain. Tuning in the frequency domain is often preferred for systems with resonances or when the design engineer is comfortable with classroom control theory. The new...

Products
Peer Review Tool

SmartBear Software (Beverly, MA) has introduced PeerReview Complete™, a new peer review tool that bridges the gap between software and hardware engineers to share, review, and annotate schematics, 2D drawings, diagrams, images, HTML, and other digital content. Hardware and software design teams can share and review both...

Products
Wireless EM Propagation Software

Remcom (State College, PA) introduces a new version of Wireless InSite®, its suite of ray-tracing models and 2D field solvers for the analysis of site-specific radio propagation and wireless communication systems. Release 2.6 includes performance enhancements and new modeling capabilities. Most notable are the...

Question of the Week
Are "thinking" or "learning" computers simply a next logical step in computer evolution?
  This week's guest Question comes from INSIDER reader Kenneth Polcak: IBM has recently developed prototypes of energy-efficient computer chips that emulate the synapses, neurons, and learning functions of the human brain. IBM's Systems of Neuromorphic...
News : Energy
Human Gait to Power Portable Electronics

Engineering researchers Tom Krupenkin and J. Ashley Taylor at the University of Wisconsin-Madison have developed a new energy-harvesting technology that could reduce our dependence on batteries and instead capture the energy of human motion to power portable electronics.

Products : Energy
DC Filter for PV Systems

SCHURTER Inc. (Santa Rosa, CA) presents the DC filter series FMER SOL suited for use on the DC side of the inverter in photovoltaic systems. FMER SOL filters are designed for rated currents from 25 A to 1500 A at 55°C ambient temperature, and voltages up to 1200 VDC.

Products : Energy
Power Transistor

Efficient Power Conversion Corporation (El Segundo, CA) introduces the EPC2012 enhanced-performance eGaN FET. The EPC2012 is lead-free, RoHS-compliant, and halogen-free. The EPC2012 FET is a 1.6 mm2 200 VDS device with a maximum RDS(ON) of 100 milliohms with 5 V applied to the gate.

Question of the Week
Will the PC be replaced by tablets and mobile devices?
  This week's Question: Last year, Apple CEO Steve Jobs said users are moving toward a "post-PC world," and computer sales have indeed slowed. Perhaps demonstrating Jobs' "post-PC" concept, the information technology giant HP recently announced that it would stop producing tablet computers...
News : Energy
New Supercapacitor Offers Robust, Versatile Energy Storage

Rice University researchers have created a solid-state, nanotube-based supercapacitor that combines the best qualities of high-energy batteries and fast-charging capacitors in a device suitable for extreme environments. Potential uses span on-chip nanocircuitry to entire power...

News : Lighting
Funding for Solid-State Lighting R&D

The Department of Energy has announced the availability of up to $12 million in funding for energy-saving lighting technologies. The DOE will invest in projects to accelerate research and development of solid-state lighting technologies like LEDs and OLEDs.

News : Energy
Updated ENERGY STAR Specifications

The EPA is introducing new ENERGY STAR requirements for home dishwashers and furnaces, and evaluating how to best address and encourage smart grid functionality in ENERGY STAR specifications like refrigerators and air conditioning units.

Articles : Green Design & Manufacturing
Engineers are Helping Bill Gates Reinvent the Toilet

The Bill and Melinda Gates Foundation has begun a “Reinvent the Toilet” competition and awarded $3 million to researchers at eight universities, challenging them to use recent technology to create models that do not need to be connected to sewers, water, and electricity, and that cost less...

News : Energy
The August Issue of Lighting Technology Is Here

The new issue of Lighting Technology has more new feature articles, application stories, tech briefs, products, videos, and research news - all on the latest advances in LEDs and solid-state lighting.

Briefs : Lighting
GaN-Ready Aluminum Nitride Substrates

The objective of this project was to develop and then demonstrate the efficacy of a cost-effective approach for a low-defect-density substrate on which aluminum indium gallium nitride (AlInGaN) light-emitting diodes (LEDs) can be fabricated. The efficacy of this GaN-ready substrate would then be tested by...

Briefs : Lighting
LED Display Engineering

The primary objective of this project was to develop and implement a method that compensates for the inefficiency of the green light-emitting diode (LED). The proposed engineering solution was to use RGBW combination in every pixel to save energy. A 32" x 16" display with pixel spacing of one inch, which is usually used...

Briefs : Energy
Self-Activating and Doped Tantalate Phosphors
Phosphors are useful in numerous applications including lighting. Tantalates are very promising materials because they are especially robust and resistant to chemical degradation. Studies have shown that rare-earth tantalates are excellent host lattices for europium (Eu)-doped red-emitting phosphors,...
News : Energy
Hybrid Solar System For Rooftop Hydrogen

Instead of systems based on standard solar panels, Duke University engineer Nico Hotz proposes a hybrid option in which sunlight heats a combination of water and methanol in a maze of glass tubes on a rooftop. After two catalytic reactions, the system produces hydrogen that can be stored and used on...

News : Energy
Discovery Could Streamline Production of Biofuels

A team of researchers at the Department of Energy’s BioEnergy Science Center (BESC) have pinpointed the gene that controls ethanol production capacity in a microorganism. This discovery could be the missing link in developing biomass crops that produce higher concentrations of ethanol at lower...

Question of the Week
Is a GPS-based meter a promising model for cars?
This week's Question: Countries like the Netherlands have recently undergone trials of an automobile GPS system that uses a mileage-based formula to  calculate charges based on individual car trips. In particular tests, a  tabulation takes into account a car's fuel efficiency, the time of...
Products
Proximity Detection Sensors

Texas Advanced Optoelectronic Solutions® (Plano, TX) has announced its 5th generation sensor family, the TSL2x72 Series, that delivers improved digital ambient light sensing (ALS) and proximity detection technology. The TSL2x72 Series enhances mobile products by providing ALS and proximity detection operation in...

Products
High Speed Photoreceiver

New Focus(TM) (Santa Clara, CA), a Newport Corporation Brand, has introduced the GHz Nirvana(TM) High Speed Receiver, the world's only photoreceiver with automatic balancing. The new GHz Nirvana features 2000 times higher bandwidth and new fiber coupling, along with completely automatic signal balancing. The...

Products
Compact Camera Focus Module

New Scale Technologies (Victor, NY) has upgraded the lifetime specification and provided new repeatability data for its miniature M3-F focus module, which replaces fixed lens holders in compact board cameras for biometric detection, medical diagnostics, machine vision and other applications. Based on continuous design...

Products
Fiber Optic Power Meter

ILX Lightwave Corporation (Bozeman, MT) has introduced the FPM-8220 Fiber Optic Power Meter and FMH-8715, FMH-87107, and FMH-8705 Fiber Optic Measurement Heads. The FPM-8220 Fiber Optic Power Meter replaces the popular FPM-8210 Fiber Optic Power Meter and offers improved accuracy, interchangeable fiber optic measurement...

Products
Image-Based Reader

SICK (Minneapolis, MN) has announced the launch of the Lector620 image-based reader for 1D and 2D codes. Suitable for track and traceability applications, the Lector620 offers intelligent setup and intuitive operation, including teach-in with auto-focus. This allows customers to mount the scanner at any distance from the code...

Products : Electronics & Computers
Solar Battery Charger
Solar Battery Charger

Texas Instruments (Dallas, TX) introduces the bq24210, a Li-ion linear charger targeted at space-limited portable applications. The high input voltage range with input over-voltage protection supports low-cost...

Solar Battery Charger
News : Electronics & Computers
Making Durable Synthetic Catalysts for Energy Storage

Pacific Northwest National Laboratory (PNNL) researchers have used a common protein to guide the design of a material that can make hydrogen gas. The synthetic material works ten times faster than the original protein found in water-dwelling microbes - clocking in at 100,000 molecules of...

Articles : Manufacturing & Prototyping
Meet Our Readers: Ben Hager, Custom Engineer, Library Furniture

In a new series, the editors of NASA Tech Briefs magazine catch up with everyday engineers about their unique responsibilities and challenges. This week, we highlight fellow reader and custom engineer of Jasper Library Furniture, Ben Hager.

News : Energy
With Photovoltaic Polarizers, Devices Could be Powered by Sunlight

UCLA engineers have created a novel concept for harvesting and recycling energy for electronic devices — one that involves equipping these devices' LCD screens with built-in photovoltaic polarizers, allowing them to convert ambient light, sunlight, and even their own backlight...

Question of the Week
Are airborne iPads a risk?
This week's Question: A growing number of airlines, including Alaska Airlines, are giving pilots the option of using iPads in the cockpit. In a flight scenario, the iPad would take the place of the hefty manuals and training documents that the Federation Aviation Administration requires pilots to have on hand. Some pilots...
News : Green Design & Manufacturing
Understanding How the Ocean Impacts Climate Change

Lisa Collins, an environmental studies lecturer at the University of Southern California, spent four years collecting samples from floating sediment traps in the San Pedro Basin off the Los Angeles coast, giving scientists a peek at how much carbon is locked up in the ocean and where it comes...

Articles : Mechanical & Fluid Systems
Meet Our Readers: Chander Saini, Product Engineer, Filtration Systems

In a new series, the editors of NASA Tech Briefs magazine catch up with everyday engineers about their unique responsibilities and challenges. This week, we highlight fellow reader and product engineer of filtration products, Chander Saini.

Briefs : Energy
Enhanced Fuel-Optimal Trajectory-Generation Algorithm for Planetary Pinpoint Landing
An enhanced algorithm has been developed that builds on a previous innovation of fuel-optimal powered-descent guidance (PDG) for planetary pinpoint landing. The PDG problem is to compute constrained, fuel-optimal trajectories to land a craft at a prescribed target...
News : Energy
60-Watt Replacement Bulb Is A Winner

Yesterday, the DOE announced that Philips Lighting North America won the first award under the Department's Bright Tomorrow Lighting Prize (L Prize) competition. DOE's L Prize challenged the lighting industry to develop high-performance, energy-saving replacements for conventional light bulbs.

News : Energy
LAUNCH: Energy Challenge Is Open For Submissions

NASA, the U.S. Agency for International Development, the U.S. Department of State, and NIKE formed LAUNCH to identify, showcase, and support innovative approaches to global challenges through a series of forums. The LAUNCH: Energy Challenge has begun and focuses on sustainable energy challenges...

Products
Meerkat series of infrared (IR) cameras

Xenics, Leuven, Belgium, has introduced the Meerkat series of infrared (IR) cameras that enable the true fusion of images from different spectral ranges. The IR camera configurations cover all the regions of the infrared spectrum: Shortwave Infrared (SWIR), Midwave Infrared (MWIR), Longwave Infrared...

Briefs : Mechanical & Fluid Systems
Miniature, Variable-Speed Control Moment Gyroscope

The Miniature Variable-Speed Control Moment Gyroscope (MVS-CMG) was designed for small satellites (mass from less than 1 kg up to 500 kg). Currently available CMGs are too large and heavy, and available miniature CMGs do not provide sufficient control authority for use on practical satellites....

Briefs : Mechanical & Fluid Systems
NBL Pistol Grip Tool for Under water Training of Astronauts

A document discusses a lightweight, functional mockup of the Pistol Grip Tool for use during underwater astronaut training. Previous training tools have caused shoulder injuries. This new version is more than 50 percent lighter [in water, weight is 2.4 lb (≈1.1 kg)], and can operate...

Briefs : Mechanical & Fluid Systems
HEXPANDO Expanding Head for Fastener-Retention Hexagonal Wrench

The HEXPANDO is an expanding-head hexagonal wrench designed to retain fasteners and keep them from being dislodged from the tool. The tool is intended to remove or install socket-head cap screws (SHCSs) in remote, hard-to-reach locations or in circumstances when a dropped fastener...

Briefs : Mechanical & Fluid Systems
Diagonal-Axes Stage for Pointing an Optical Communications Transceiver

Traditional azimuth-elevation (“az-el”) stages are used to point a variety of devices ranging from large optical telescopes to tank guns. Such a stage typically has an “elevation” stage having a horizontal axis mounted on an “azimuth” stage with a vertical axis....

Briefs : Electronics & Computers
Improvements in Speed and Functionality of a 670-GHz Imaging Radar

Significant improvements have been made in the instrument originally described in a prior NASA Tech Briefs article: “Improved Speed and Functionality of a 580-GHz Imaging Radar” (NPO-45156), Vol. 34, No. 7 (July 2010), p. 51. First, the wideband YIG oscillator has been...

Briefs : Electronics & Computers
IONAC-Lite

The Interplanetary Overlay Networking Protocol Accelerator (IONAC) described previously in “The Interplanetary Overlay Networking Protocol Accelerator” (NPO-45584), NASA Tech Briefs, Vol. 32, No. 10, (October 2008) p. 106 (http://www.techbriefs.com/component/content/article/3317) provides functions that implement the Delay...

Briefs : Electronics & Computers
Large Ka-Band Slot Array for Digital Beam-Forming Applications

This work describes the development of a large Ka Band Slot Array for the Glacier and Land Ice Surface Topography Interferometer (GLISTIN), a proposed spaceborne interferometric synthetic aperture radar for topographic mapping of ice sheets and glaciers. GLISTIN will collect ice...

Briefs : Electronics & Computers
Router Agent Technology for Policy-Based Network Management

This innovation can be run as a standalone network application on any computer in a networked environment. This design can be configured to control one or more routers (one instance per router), and can also be configured to listen to a policy server over the network to receive new...

Briefs : Electronics & Computers
Development of a 150-GHz MMIC Module Prototype for Large-Scale CMB Radiation

HEMT-based receiver arrays with excellent noise and scalability are already starting to be manufactured at 100 GHz, but the advances in technology should make it possible to develop receiver modules with even greater operation frequency up to 200 GHz. A prototype...

Briefs : Electronics & Computers
Coupling Between Waveguide-Fed Slot Arrays

Coupling between two waveguide-fed planar slot arrays has been investigated using full-wave analysis. The analysis employs the method-of-moments solution to the pertinent coupled integral equa- tions for the aperture electric field of all slots. In order to compute coupling between two arrays, the input...

Briefs : Electronics & Computers
Multiple-Beam Detection of Fast Transient Radio Sources

A method has been designed for using multiple independent stations to discriminate fast transient radio sources from local anomalies, such as antenna noise or radio frequency interference (RFI). This can improve the sensitivity of incoherent detection for geographically separated stations...

Briefs : Electronics & Computers
PCB-Based Break-Out Box

Break-out boxes (BOBs) are necessary for all electrical inte- gration/cable checkouts and troubleshooting. Because the price of a BOB is high, and no work can be done without one, often the procedure stops, simply waiting for a BOB. A less expensive BOB would take less time in the integration, testing, and troubleshooting...

Briefs : Software
Remote Asynchronous Message Service Gateway

The Remote Asynchronous Message Service (RAMS) gateway is a special-purpose AMS application node that enables exchange of AMS messages between nodes residing in different AMS “continua,” notionally in different geographical locations. JPL’s implementation of RAMS gateway functionality is...

Briefs : Software
Automatic Tie Pointer for 'In-Situ' Pointing Correction

The MARSAUTOTIE program generates tie points for use with the Mars pointing correction software “In-Situ Pointing Correction and Rover Microlocalization,” (NPO-46696) Software Tech Briefs, Vol. 34, No. 9 (September 2010), page 18, in a completely automated manner, with no operator...

Briefs : Software
Jitter Correction

Jitter_Correct.m is a MATLAB function that automatically measures and corrects inter-frame jitter in an image sequence to a user-specified precision. In addition, the algorithm dynamically adjusts the image sample size to increase the accuracy of the measurement.

Briefs : Software
MSLICE Sequencing

MSLICE Sequencing is a graphical tool for writing sequences and integrating them into RML files, as well as for producing SCMF files for uplink. When operated in a testbed environment, it also supports uplinking these SCMF files to the testbed via Chill.

Briefs : Software
EOS MLS Level 2 Data Processing Software Version 3

This software accepts the EOS MLS calibrated measurements of microwave radiances products and operational meteorological data, and produces a set of estimates of atmospheric temperature and composition. This version has been designed to be as flexible as possible. The software is controlled by a...

Briefs : Software
DspaceOgre 3D Graphics Visualization Tool

This general-purpose 3D graphics visualization C++ tool is designed for visualization of simulation and analysis data for articulated mechanisms. Examples of such systems are vehicles, robotic arms, biomechanics models, and biomolecular structures. DspaceOgre builds upon the open-source Ogre3D graphics...

Briefs : Manufacturing & Prototyping
Metallization for Yb₁₄MnSb₁₁-Based Thermoelectric Materials

Thermoelectric materials provide a means for converting heat into electrical power using a fully solid-state device. Power-generating devices (which include individual couples as well as multi-couple modules) require the use of n-type and p-type thermoelectric materials,...

Briefs : Manufacturing & Prototyping
Solvent/Non-Solvent Sintering To Make Microsphere Scaffolds

A solvent/non-solvent sintering tech- nique has been devised for joining poly- meric microspheres to make porous matri- ces for use as drug-delivery devices or scaf- folds that could be seeded with cells for growing tissues. Unlike traditional sinter- ing at elevated temperature and...

Briefs : Materials
Separation of Single-Walled Carbon Nanotubes with DEP-FFF

A process using a modified dielectrophoresis device separates single-walled carbon nanotubes (SWNTs) according to their polarizability in electric fields. This depends on the size and dielectric constant of individual nanotubes and easily separates metallic from semiconducting nanotubes....

Briefs : Materials
Self-Cleaning Coatings and Materials for Decontaminating Field-Deployable Land and Water-Based Optical Systems

This technology exploits the organic decomposition capability and hydrophilic properties of the photocatalytic material titanium dioxide (TiO2), a non-toxic and non-hazardous substance, to address contamination and biofouling...

Briefs : Materials
Li Anode Technology for Improved Performance

A novel, low-cost approach to stabilization of Li metal anodes for high-performance rechargeable batteries was developed. Electrolyte additives are selected and used in Li cell electrolyte systems, promoting formation of a protective coating on Li metal anodes for improved cycle and safety...

Briefs : Medical
Post-Fragmentation Whole Genome Amplification-Based Method

This innovation is derived from a proprietary amplification scheme that is based upon random fragmentation of the genome into a series of short, overlapping templates. The resulting shorter DNA strands (

Briefs : Medical
Microwave Tissue Soldering for Immediate Wound Closure

A novel approach for the immediate sealing of traumatic wounds is under development. A portable microwave generator and handheld antenna are used to seal wounds, binding the edges of the wound together using a biodegradable protein sealant or “solder.” This method could be used for...

Briefs : Medical
Stress-Driven Selection of Novel Phenotypes

A process has been developed that can confer novel properties, such as metal resistance, to a host bacterium. This same process can also be used to produce RNAs and peptides that have novel properties, such as the ability to bind particular compounds. It is inherent in the method that the peptide or...

Briefs : Medical
Principles, Techniques, and Applications of Tissue Microfluidics

The principle of tissue microfluidics and its resultant techniques has been applied to cell analysis. Building microfluidics to suit a particular tissue sample would allow the rapid, reliable, inexpensive, highly parallelized, selective extraction of chosen regions of tissue for...

Briefs : Medical
Robotic Scaffolds for Tissue Engineering and Organ Growth

The aim of tissue engineering (TE) is to restore tissue and organ functions with minimal host rejection. TE is seen as a future solution to solve the crisis of donor organs for transplant, which faces a shortage expected only to increase in the future. In this innovation, a flexible and...

Briefs : Physical Sciences
Method for Accurately Calibrating a Spectrometer Using Broadband Light

A novel method has been developed for performing very fine calibration of a spectrometer. This process is particularly useful for modern miniature charge-coupled device (CCD) spectrometers where a typical factory wavelength calibration has been performed and a finer, more...

Briefs : Physical Sciences
Atomic Oxygen Fluence Monitor

This innovation enables a means for actively measuring atomic oxygen fluence (accumulated atoms of atomic oxygen per area) that has impinged upon spacecraft surfaces. Telemetered data from the device provides spacecraft designers, researchers, and mission managers with real-time measurement of atomic oxygen fluence,...

Briefs : Physical Sciences
Catalytic Microtube Rocket Igniter

Devices that generate both high energy and high temperature are required to ignite reliably the propellant mixtures in combustion chambers like those present in rockets and other combustion systems. This catalytic microtube rocket igniter generates these conditions with a small, catalysis-based torch. While...

Briefs : Physical Sciences
Stage Cylindrical Immersive Display

Panoramic images with a wide field of view intend to provide a better understanding of an environment by placing objects of the environment on one seamless image. However, understanding the sizes and relative positions of the objects in a panorama is not intuitive and prone to errors because the field of view...

Briefs : Physical Sciences
Vacuum Camera Cooler

Acquiring cheap, moving video was impossible in a vacuum environment, due to camera overheating. This overheating is brought on by the lack of cooling media in vacuum. A water-jacketed camera cooler enclosure machined and assembled from copper plate and tube has been developed.

Briefs : Information Technology
Thermal Management Tools for Propulsion System Trade Studies and Analysis

Energy-related subsystems in modern aircraft are more tightly coupled with less design margin. These subsystems include thermal management subsystems, vehicle electric power generation and distribution, aircraft engines, and flight control. Tighter coupling, lower design...

Briefs : Information Technology
Large Eddy Simulation Study for Fluid Disintegration and Mixing

A new modeling approach is based on the concept of large eddy simulation (LES) within which the large scales are computed and the small scales are modeled. The new approach is expected to retain the fidelity of the physics while also being computationally efficient. Typically, only...

Briefs : Information Technology
Technique for Solving Electrically Small to Large Structures for Broadband Applications

Fast iterative algorithms are often used for solving Method of Moments (MoM) systems, having a large number of unknowns, to determine current distribution and other parameters. The most commonly used fast methods include the fast multipole method (FMM), the...

Briefs : Information Technology
Accelerated Adaptive MGS Phase Retrieval

The Modified Gerchberg-Saxton (MGS) algorithm is an image-based wavefront-sensing method that can turn any science instrument focal plane into a wavefront sensor. MGS characterizes optical systems by estimating the wavefront errors in the exit pupil using only intensity images of a star or other point...

Briefs : Information Technology
Introduction to Physical Intelligence

A slight deviation from Newtonian dynamics can lead to new effects associated with the concept of physical intelligence. Non-Newtonian effects such as deviation from classical thermodynamic as well as quantum-like properties have been analyzed.

Briefs : Information Technology
Tropospheric Correction for InSAR Using Interpolated ECMWF Data and GPS Zenith Total Delay

To mitigate atmospheric errors caused by the troposphere, which is a limiting error source for spaceborne interferometric synthetic aperture radar (InSAR) imaging, a tropospheric correction method has been developed using data from the European Centre for...

Briefs : Information Technology
Technique for Calculating Solution Derivatives With Respect to Geometry Parameters in a CFD Code

A solution has been developed to the challenges of computation of derivatives with respect to geometry, which is not straightforward because these are not typically direct inputs to the computational fluid dynamics (CFD) solver. To overcome these...

Briefs : Information Technology
Probabilistic Path Planning of Montgolfier Balloons in Strong, Uncertain Wind Fields

Lighter-than-air vehicles such as hot-air balloons have been proposed for exploring Saturn’s moon Titan, as well as other bodies with significant atmospheres. For these vehicles to navigate effectively, it is critical to incorporate the effects of surrounding...

Briefs : Information Technology
Acute Radiation Risk and BRYNTRN Organ Dose Projection Graphical User Interface

The integration of human space applications risk projection models of organ dose and acute radiation risk has been a key problem. NASA has developed an organ dose projection model using the BRYNTRN with SUM DOSE computer codes, and a probabilistic model of Acute...

Briefs : Information Technology
Flight Simulation of ARES in the Mars Environment

A report discusses using the Aerial Regional-scale Environmental Survey (ARES) light airplane as an observation platform on Mars in order to gather data. It would have to survive insertion into the atmosphere, fly long enough to meet science objectives, and provide a stable platform.

Briefs : Materials
Low-Outgassing Photogrammetry Targets for Use in Outer Space

A short document discusses an investigation of materials for photogrammetry targets for highly sensitive optical scientific instruments to be operated in outer space and in an outer-space-environment-simulating thermal vacuum chamber on Earth. A key consideration in the selection of...

Briefs : Information Technology
Planning the FUSE Mission Using the SOVA Algorithm

Three documents discuss the Sustainable Objective Valuation and Attainability (SOVA) algorithm and software as used to plan tasks (principally, scientific observations and associated maneuvers) for the Far Ultraviolet Spectroscopic Explorer (FUSE) satellite. SOVA is a means of managing risk in a...

Briefs : Physical Sciences
Monitoring Spacecraft Telemetry Via Optical or RF Link

A patent disclosure document discusses a photonic method for connecting a spacecraft with a launch vehicle upper-stage telemetry system as a means for monitoring a spacecraft’s health and status during and right after separation and deployment. This method also provides an efficient...

Briefs : Physical Sciences
Robust Thermal Control of Propulsion Lines for Space Missions

A document discusses an approach to insulating propulsion lines for spacecraft. In spacecraft that have propulsion lines that are located externally with open bus architecture, the lines are typically insulated by Multi Layer Insulation (MLI) blankets. MLI on propulsion lines tends to...

Articles : Materials
Hall Effect Measurements are Essential for Characterizing High Carrier Mobility in Materials

The Hall effect can be observed when the combination of a magnetic field through a sample and a current along the length of the sample create an electrical current perpendicular to both the magnetic field and the current, which in turn creates a...

Application Briefs : Test & Measurement
Heat Exchanger Coils Control Temperature in NASA Icing Tunnel
Heat exchanger coils
Super Radiator Coils
Chaska, MN
952-556-3330
superradiatorcoils.com

A 25-foot-high wall of heat exchanger coils manufactured by Super Radiator Coils will replace the coils in the Icing Research Tunnel (IRT) at NASA’s John H. Glenn...

Application Briefs : Photonics/Optics
Laser Systems Will Enable NASA Satellite to Measure Sea Ice
Flight lasers and test laser
Fibertek
Herndon, VA
703-471-7671
www.fibertek.com

Managed by NASA’s Goddard Space Flight Center in Greenbelt, MD, the Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) mission is scheduled to launch in 2016. The satellite...

Articles : Aerospace
Kennedy Space Center

In direct response to the National Research Council’s report “Capabilities for the Future: An Assessment of NASA Laboratories for Basic Research, 2010,” the Space Technology program was born and formally approved by the NASA Administrator in 2009. Consisting of ten technology development and innovation programs that...

Articles : Electronics & Computers
Adapting ATCA Technology to Mil/Aero Applications

The military’s transition to Network-Centric Warfare (NCW) has created an enormous demand for improved networking and performance capabilities for ground mobile command and control applications. Military success now depends on the ability to communicate actionable information among command...

Podcasts
Leland D. Melvin, Associate Administrator for Education, NASA Headquarters, Washington, DC

Leland D. Melvin is responsible for the development and implementation of the agency’s education programs that strengthen student involvement and public awareness about NASA’s scientific goals and missions.

To download this interview as a...

Who's Who
Leland D. Melvin, Associate Administrator for Education, NASA Headquarters, Washington, DC

As NASA’s associate administrator for education, Leland Melvin is responsible for the development and implementation of the agency's education programs that strengthen student involvement and public awareness about NASA's scientific goals and...

Articles : Electronics & Computers
The Evolution of CompactPCI From Parallel to Serial I/O

The true worth of an industry standard is measured in its ability to stand the test of time. From the onset, the system configuration, hardware components, and integration strategy all need to be built upon the inherent principles of flexibility, modernization, and efficiency.

Products : Electronics & Computers
PCI Filter and Amplifier Module

Alligator Technologies (Costa Mesa, CA) has introduced the USBPGF-S1™, a USB controlled single channel programmable signal conditioning instrumentation amplifier and low pass filter. It can configure itself from power-up with changeable but non-volatile configuration and operates independently in both...

Products : Electronics & Computers
Processing Platform

The Zynq™-7000 Extensible Processing Platform (EPP) devices from Xilinx (San Jose, CA) integrate an ARM® dual-core Cortex®-A9 MPCore™ processing system with NEON and Double Precision Floating Point engine. Each Zynq-7000 EPP includes L1 and L2 caches, memory controllers, and commonly used peripherals. The processing...

Products : Electronics & Computers
Single Board Computers

MPL AG (Dättwill, Switzerland) announced that it is now offering QNX support for its PIP20 and PIP22 embedded computers with Core 2 Duo processors. Triadem Solutions AG (Biel, Switzerland), the official QNX distributor in Switzerland, has developed QNX 6.4.1 & 6.5.0 board-support packages for MPL’s PIP20 platform...

Products : Electronics & Computers
DC-DC Switching Regulator

Aimtec (Montreal, Canada) has expanded its line of DC/DC switching regulators with the launch of two new series: AMSR1.5-78-NZ and AMSR2-78-NZ (AMSRx-78-NZ). Feature rich with pin-to-pin replacements of 78xx linear regulators, the AMSRx-78-NZ switching regulators provide highly regulated (±1%) output voltages ranging...

Products : Electronics & Computers
FPGA-Based Prototyping Platform

BEEcube Inc. (Fremont, CA) has announced the availability of BEE4-W™. Specifically designed to address rapid system-level prototyping of wireless and digital communications designs, the BEE4-W is BEEcube’s latest generation FPGA (Field Programmable Gate Array) Berkeley Emulation Engine (BEE) platform.

Products : Electronics & Computers
PCI Express Serial Communication Cards

ACCES I/O Products (San Diego, CA) has released a new family of isolated PCI Express serial communication cards — the PCIe-ICM Series. These PCI Express cards feature a selection of 4 or 2-ports of isolated, software selectable, RS-232, RS-422, and RS-485 serial protocols. 2kV isolation is provided...

News : Lighting
New Method for Boosting the Light Output of Green LEDs

A Rensselaer research team led by Christian Wetzel, a professor of physics, etched a nanoscale pattern at the interface between a light-emitting diode’s (LED) sapphire base and the layer of gallium nitride (GaN) that gives the LED its green color. The new technique results in green LEDs...

Articles : Lighting Technology
Light Your World With Solid-State Lighting

Partly due to rising environmental concerns and the increasing cost of energy, the industrialized world is now replacing billions of conventional incandescent light fixtures. While a significant percentage of these applications are moving to compact fluorescent lamps (CFL), the concerns over the mercury...

Articles : Lighting
Meeting Industry Needs for LED Driver Testing

Because light-emitting diodes (LEDs) are a current-driven DC device, they require a converter so they can be powered from an AC voltage. LED drivers have different operating characteristics from the typical AC to DC, and DC to DC power supplies used for most electronic equipment. They are often a...

Briefs : Lighting
Self-Activating and Doped Tantalate Phosphors

Phosphors are useful in numerous applications including imaging, detection, and lighting. They come in forms of thin films, monoliths, or powders for miscellaneous devices, or dispersible nano particles for applications such as biomedical imaging. Oxide phosphors, as apposed to chalcogenides or...

Briefs : Lighting
LED Display Engineering

The primary objective of this project was to develop and implement a method that compensates for the inefficiency of the green light-emitting diode (LED). The proposed engineering solution was to use RGBW combination in every pixel to save energy. A 32" x 16" display with pixel spacing of one inch, which is usually used...

Briefs : Lighting
GaN-Ready Aluminum Nitride Substrates
Crystal IS, Inc., Green Island, NY

The objective of this project was to develop and then demonstrate the efficacy of a cost-effective approach for a low-defect-density substrate on which aluminum indium gallium nitride (AlInGaN) light-emitting diodes (LEDs) can be fabricated. The efficacy of this...

Application Briefs : Lighting
LED Video Displays
OSRAM Opto Semiconductors, Regensburg, Germany
FormoLight Technologies, New Taipei City, Taiwan

Particularly compact Multi CHIPLEDs developed by OSRAM Opto Semiconductors raise the image quality in FormoLight Technologies' high performance LED Matrix TVs. Multi CHIPLEDs are the smallest RGB LED currently on...

Application Briefs : Lighting
LEDs Power Pocket Projector
Luminus Devices, Billerica, MA
Aiptek, Hsinchu, Taiwan

Luminus Devices is powering Aiptek’s new Pocket-Cinema V50 Projector, a small projector enabling instant projection for business presentations, photo sharing, and gaming. The Pocket Cinema V50 Projector combines DLP optical technology with...

Products : Lighting
OLED Microscope Spectrophotometer

The 308 FPD™ spectrophotometer from CRAIC Technologies (San Dimas, CA) measures and compares the spectral output, intensity, and color consistency of each of the microscopic pixels commonly found in organic LED (OLED) devices. The 308 FPD™ is designed to add to the open photo port of a microscope or probe...

Products : Lighting Technology
Concave Grating Spectrometer

Stellarnet (Tampa, FL) introduces the BLACK-Comet-HR concave grating spectrometer. Designed for high-resolution applications, the new BLACK-Comet-HR spectrometer is available for measurements in two ranges — ultraviolet (200- 600 nm) and visible (380-750 nm), and achieves resolving resolutions of 0.4 nm. The...

Products : Lighting
LED Sensor

The Universal LightProbes from Optomistic Products (South Freeport, ME) are small, highly versatile sensors and fiber-optic probes for reliable LED test. Universal LightProbe LED sensors combined with a wide range of fiber-optic probes ensure the reliable and accurate test of color, including white LEDs, and intensity for almost every...

Products : Lighting
HB LED Test Instrument

Keithley Instruments (Cleveland, OH) has introduced the model 2651A high-power system SourceMeter® instrument. The model 2651A provides a wide current range that is critical for a variety of reliability and production test applications, such as testing high brightness (HB) LEDs, power semiconductors, DC-DC converters, and...

Products : Lighting
UV LED Radiometer

Phoseon Technology (Hillsboro, OR) introduces a family of ultraviolet (UV) LED radiometer products that provide customers a simple, reliable way to measure and maintain their UV LED light sources. The radiometers are optimized for 380-420 nm wavelengths and provide traceable calibration to ensure accurate measurements. A...

Products : Lighting Technology
Integrating Sphere

The ISP 2000 integrating sphere from Instrument Systems (Munich, Germany) has been specifically designed with a diameter of 1.9 meters to facilitate precise measurement of total radiant power and luminous flux of lamps, luminaires, and large LED modules. The ISP 2000 is equipped with an auxiliary lamp to compensate for...

Products : Lighting
UV LED Meter

Heraeus Noblelight (Hanau, Germany) introduces the NobleProbe®, a UV LED meter that can be used to take precise measurements of irradiance in the near-UV range. NobleProbe is designed to determine irradiance within a wide measuring range from 1 mW/cm² to 100 W/cm² at wavelengths of between 365 nm and 460 nm. The meter's...

Products : Lighting Technology
Light and Color Measurement System

ZEMAX (Bellevue, WA) and Radiant Imaging (Redmond, WA) introduce the latest version of their imaging light and color measurement system software. New features include 64-bit support, a new database structure, CPU multithreading, and new post-measurement features such as Moiré removal and automatic display area...

Products : Lighting Technology
Portable Spectrophotometer

B&W Tek (Newark, DE) announces the updated i-Spec™ portable spectrophotometer. The i-Spec is a portable spectrophotometer system equipped with silicon and InGaAs array detectors, allowing it to measure from as low as 350 nm to as high as 2600 nm. The newest i-Spec model, the BWS005A, features a new and improved...