July 2012

News : Energy
Record Efficiency for Next-Generation Solar Cells

Researchers from the University of Toronto (U of T) and King Abdullah University of Science & Technology (KAUST) have made a breakthrough in the development of colloidal quantum dot (CQD) films. The researchers created a solar cell out of inexpensive materials that was certified at a...

Podcasts
Stephen Freeman, Vice President of International Business Development, Materion Corporation

Recently, NASA Tech Briefs spoke with Stephen Freeman, Vice President of International Business Development for Materion Corporation, which is the new name for advanced materials manufacturer Brush Engineered Materials and all of its businesses....

Question of the Week
Do you believe that geoengineering efforts, like ocean fertilization processes, are valuable tactics that will reduce global warming?

An international team of scientists has published the results of a 2004 experiment to fertilize oceans with iron. The ocean fertilization was an effort to reduce the carbon at the water’s surface and potentially...

Products : Electronics & Computers
Open-Frame Panel PC

WinSystems (Arlington, TX) introduced a 12.1-inch open-frame, color flat panel PC and 1.66GHz single board computer (SBC) based on the Intel® Atom™ processor. The PPC3-12 panel PC is a compact, ready-to-mount flat panel display subsystem that also includes a resistive touchscreen integrated into a chassis less than three...

Products : Electronics & Computers
XMC Module

Acromag’s (Wixom, MI) new XMC-6VLX mezzanine modules feature a configurable Xilinx® Virtex™-6 FPGA enhanced with multiple high-speed memory buffers, I/O, and numerous high-bandwidth serial interfaces. The FPGA provides rapid processing and is closely coupled to the serial interconnects to prevent data transfer bottlenecks....

Products : Electronics & Computers
Video and Audio Capture Card

WinSystems (Arlington, TX) introduced a 12.1-inch open-frame, color flat panel PC and 1.66GHz single board computer (SBC) based on the Intel® Atom™ processor. The PPC3-12 panel PC is a compact, ready-to-mount flat panel display subsystem that also includes a resistive touchscreen integrated into a chassis less...

Products : Electronics & Computers
Accelerated Processing Unit

The AMD (Sunnyvale, CA) Embedded G-Series processor is the world’s first integrated circuit to combine a low-power CPU and a discrete-level GPU into a single embedded Accelerated Processing Unit (APU). The AMD G-T16R APU, with an average power of only 2.3 Watts, enables very small form factor, fan-less and portable...

News
“Tuning” Graphene Drums Might Turn Conductors Into Semiconductors

Tightening or relaxing the tension on a drumhead will change the way the drum sounds. The same goes for drumheads made from graphene, only instead of changing the sound, stretching graphene has a profound effect on the material's electrical properties. Researchers working at...

Question of the Week
Is the traditional resume becoming obsolete?

Facebook plans to launch its own jobs board, working with some existing sites to let users search listings. Similar online developments have led job experts to say that the traditional resume is turning into a thing of the past.

News : Energy
New Tech for Grid-Level Electrical Energy Storage
New Tech for Grid-Level Electrical Energy Storage

Electrical energy storage is the obstacle preventing more widespread use of renewable energy sources. Due to the unpredictable nature of wind and solar energy, the ability to store this...

New Tech for Grid-Level Electrical Energy Storage
Question of the Week
Will the growing number of personal smartphones and tablets in the workplace (and growing expectations) create greater security problems for organizations?

A recent survey from the network security company Fortinet found that Gen-Y employees in the workplace have an expectation that they will be able to use their own mobile smartphones and...

News : Nanotechnology
Solar Nanowire Template Permits Flexible Energy Absorption

Researchers creating electricity through photovoltaics want to convert as many of the sun’s wavelengths as possible to achieve maximum efficiency. For this reason, they see indium gallium nitride as a valuable future material for photovoltaic systems. Changing the concentration of...

Briefs : Physical Sciences
Real-Time Remote Monitoring with Wireless Sensors

If remote sensors are to be autonomous and report their data in real time, they must have a reliable power source and a stable Ethernet connection. The United States Geological Survey (USGS), for example, monitors water conditions with a nationwide array of automated sensors, and uses their data...

Briefs : Physical Sciences
Ultra-Low-Power MEMS Selective Gas Sensors

This innovation is a system for gas sensing that includes an ultra-low-power MEMS (microelectromechanical system) gas sensor, combined with unique electronic circuitry and a proprietary algorithm for operating the sensor. The electronics were created from scratch, and represent a novel design capable of...

Briefs : Information Technology
Pattern Recognition Algorithm for High- Sensitivity Odorant Detection in Unknown Environments

In a realistic odorant detection application environment, the collected sensory data is a mix of unknown chemicals with unknown concentrations and noise. The identification of the odorants among these mixtures is a challenge in data recognition. In...

Briefs : Physical Sciences
Terahertz Radiation Heterodyne Detector Using Two- Dimensional Electron Gas in a GaN Heterostructure

High-resolution submillimeter/terahertz spectroscopy is important for studying atmospheric and interstellar molecular gaseous species. It typically uses heterodyne receivers where an unknown (weak) signal is mixed with a strong signal from the...

Briefs : Physical Sciences
Versatile Controller for Infrared Lamp and Heater Arrays

A paper describes a modular design for new controllers for infrared heating during cruise stage solar thermal vacuum test of the Mars Science Laboratory. The controllers had to be easy to use and maintain, used with a wide variety of different control schemes, and made using commercial...

Briefs : Physical Sciences
Instrument Suite for Vertical Characterization of the Ionosphere-Thermosphere System

A document describes a suite that provides four simultaneous ion and neutral-atom measurements as a function of altitude, with variable sensitivity for neutral atmospheric species. The variable sensitivity makes it possible to extend the measurements over the...

Briefs : Physical Sciences
Determining Performance Acceptability of Electrochemical Oxygen Sensors

A method has been developed to screen commercial electrochemical oxygen sensors to reduce the failure rate. There are three aspects to the method: First, the sensitivity over time (several days) can be measured and the rate of change of the sensitivity can be used to predict...

Briefs : Physical Sciences
High-Speed Scanning Interferometer Using CMOS Image Sensor and FPGA Based on Multifrequency Phase- Tracking Detection

A sub-aperture stitching optical interferometer can provide a cost-effective solution for an in situ metrology tool for large optics; however, the currently available technologies are not suitable for high-speed and real-time...

Briefs : Software
Motion-Capture-Enabled Software for Gestural Control of 3D Models

Current state-of-the-art systems use general-purpose input devices such as a keyboard, mouse, or joystick that map to tasks in unintuitive ways. This software enables a person to control intuitively the position, size, and orientation of synthetic objects in a 3D virtual...

Briefs : Software
Orbit Software Suite

Orbit Software Suite is used to support a variety of NASA/DM (Dependable Multiprocessor) mission planning and analysis activities on the IPS (Intrusion Prevention System) platform. The suite of Orbit software tools (Orbit Design and Orbit Dynamics) resides on IPS/Linux workstations, and is used to perform mission design and...

Briefs : Software
CoNNeCT Baseband Processor Module Boot Code SoftWare (BCSW)

This software provides essential startup and initialization routines for the CoNNeCT baseband processor module (BPM) hardware upon power-up. A command and data handling (C&DH) interface is provided via 1553 and diagnostic serial interfaces to invoke operational, reconfiguration, and...

Briefs : Software
Trajectory Software With Upper Atmosphere Model

The Trajectory Software Applications 6.0 for the Dec Alpha platform has an implementation of the Jacchia- Lineberry Upper Atmosphere Density Model used in the Mission Control Center for International Space Station support. Previous trajectory software required an upper atmosphere to support...

Briefs : Software
ALSSAT Version 6.0

Advanced Life Support Sizing Analysis Tool (ALSSAT) at the time of this reporting has been updated to version 6.0. A previous version was described in “Tool for Sizing Analysis of the Advanced Life Support System” (MSC- 23506), NASA Tech Briefs, Vol. 29, No. 12 (December 2005), page 43. To recapitulate: ALSSAT is a...

Briefs : Manufacturing & Prototyping
Employing a Grinding Technology to Assess the Microbial Density for Encapsulated Organisms

Projects that utilize large volumes of nonmetallic materials of planetary protection concern pose a challenge to their bioburden budget, as the most conservative value of 30 spores/cm3 is typically used. The standard laboratory procedures do not...

Briefs : Manufacturing & Prototyping
Demonstration of Minimally Machined Honeycomb Silicon Carbide Mirrors

Honeycomb silicon carbide composite mirrors are made from a carbon fiber preform that is molded into a honeycomb shape using a rigid mold. The carbon fiber honeycomb is densified by using polymer infiltration pyrolysis, or through a reaction with liquid silicon. A chemical...

Briefs : Materials
Nanoengineered Thermal Materials Based on Carbon Nanotube Array Composites

State-of-the-art integrated circuits (ICs) for microprocessors routinely dissipate power densities on the order of 50 W/cm2. This large power is due to the localized heating of ICs operating at high frequencies and must be managed for future highfrequency...

Briefs : Materials
Polyimide Aerogel Thin Films

Polyimide aerogels have been cross-linked through multifunctional amines. This invention builds on “Polyimide Aerogels With Three-Dimensional Cross-Linked Structure,” (LEW-18486-1), NASA Tech Briefs, Vol. 34, No. 8 (August 2010), page 38, and may be considered as a continuation of that invention, which results in...

Briefs : Materials
Composite Laminate With Coefficient of Thermal Expansion Matching D263 Glass

The International X-ray Observatory project seeks to make an X-ray telescope assembly with 14,000 flexible glass segments. The glass used is commercially available SCHOTT D263 glass. Thermal expansion causes the mirror to distort out of alignment. A housing material is...

Briefs : Mechanical & Fluid Systems
Robust Tensioned Kevlar Suspension Design

One common but challenging problem in cryogenic engineering is to produce a mount that has excellent thermal isolation but is also rigid. Such mounts can be achieved by suspending the load from a network of fibers or strings held in tension. Kevlar fibers are often used for this purpose owing to their...

Briefs : Mechanical & Fluid Systems
Focal Plane Alignment Utilizing Optical CMM

In many applications, an optical detector has to be located relative to mechanical reference points. One solution is to specify stringent requirements on (1) mounting the optical detector relative to the chip carrier, (2) soldering the chip carrier onto the printed circuit board (PCB), and (3)...

Briefs : Medical
Purifying, Separating, and Concentrating Cells From a Sample Low in Biomass

Frequently there is an inability to process and analyze samples of low biomass due to limiting amounts of relevant biomaterial in the sample. Furthermore, molecular biological protocols geared towards increasing the density of recovered cells and biomolecules of...

Briefs : Medical
Virtual Ultrasound Guidance for Inexperienced Operators

Medical ultrasound or echocardiographic studies are highly operatordependent and generally require lengthy training and internship to perfect. To obtain quality echocardiographic images in remote environments, such as on-orbit, remote guidance of studies has been employed. This technique...

Briefs : Physical Sciences
Method to Remove Particulate Matter From Dusty Gases at Low Pressures

Future human exploration of Mars will rely on local Martian resources to reduce the mass, cost, and risk of space exploration launched from Earth. NASA’s In Situ Resource Utilization (ISRU) Project seeks to produce mission consumables from local Martian resources, such as...

Briefs : Physical Sciences
Non-Contact Conductivity Measurement for Automated Sample Processing Systems

A new method has been developed for monitoring and control of automated sample processing and preparation especially focusing on desalting of samples before analytical analysis (described in more detail in “Automated Desalting Apparatus,” (NPO-45428), NASA Tech...

Briefs : Physical Sciences
An MSK Radar Waveform

The minimum-shift-keying (MSK) radar waveform is formed by periodically extending a waveform that separately modulates the in-phase and quadraturephase components of the carrier with offset pulse-shaped pseudo noise (PN) sequences. To generate this waveform, a pair of periodic PN sequences is each passed through a...

Briefs : Physical Sciences
Telescope Alignment From Sparsely Sampled Wavefront Measurements Over Pupil Subapertures

Alignment of two-element telescopes is a classic problem. During recent integration and test of the Space Interferometry Mission’s (SIM’s) Astrometric Beam Combiner (ABC), the innovators were faced with aligning two such telescope subsystems in the...

Briefs : Manufacturing & Prototyping
Heat Shield Employing Cured Thermal Protection Material Blocks Bonded in a Large-Cell Honeycomb Matrix

A document describes a new way to integrate thermal protection materials on external surfaces of vehicles that experience the severe heating environments of atmospheric entry from space. Cured blocks of thermal protection materials are bonded...

Briefs : Materials
Asymmetric Supercapacitor for Long-Duration Power Storage

A document discusses a project in which a series of novel hybrid positive electrode materials was developed and tested in asymmetric capacitors with carbon negative electrodes. The electrochemical performance of the hybrid capacitors was characterized by cyclic voltammetry and a DC...

Briefs : Physical Sciences
Airborne Hyperspectral Imaging System

A document discusses a hyperspectral imaging instrument package designed to be carried aboard a helicopter. It was developed to map the depths of Greenland’s supraglacial lakes. The instrument is capable of telescoping to twice its original length, allowing it to be retracted with the door closed during...

Briefs : Medical
Cloud-Based Product Lifecycle Management for the Medical Industry

The medical industry stands to benefit immensely from cloud-based product lifecycle management (PLM). The mountains of information that medical companies must manage when bringing a new product to market are truly massive. Every aspect of the product — and every change made to...

Briefs : Medical
High-Accuracy Closed Loop Force Feedback

Hand-driven press assemblies, which require a specific amount of force applied for a given amount of time, present challenges when attempting to accurately measure or replicate results in production or quality control processes. In contrast, servo-driven digital presses are able to provide accurate,...

Briefs : Medical
Ultra-Sensitive Biosensor for Medical Diagnostics

Researchers have created an ultrasensitive biosensor that could open up new opportunities for early detection of cancer and “personalized medicine” tailored to the specific biochemistry of individual patients. The device, which could be several hundred times more sensitive than other...

Briefs : Medical
Beat-to-Beat Blood Pressure Monitor

This device provides non-invasive beat-to-beat blood pressure measurements and can be worn over the upper arm for prolonged durations. Phase and waveform analyses are performed on filtered proximal and distal photoplethysmographic (PPG) waveforms obtained from the brachial artery. The phase analysis is used...

Articles : Automotive
The Engineering of IndyCar Racing

IndyCar racing features some of the most technologically sophisticated automobiles in the world today. Weighing just 1,565 pounds and powered by single- or twin-turbocharged 2.2L V6 engines that produce anywhere from 550 to 700 HP, the sleek, aerodynamic vehicles are capable of speeds in excess of 220...

Articles : Photonics/Optics
Ensuring Safe Operation and Accurate Characterization of Laser Diodes

Laser diodes are very sensitive to electrostatic discharge (ESD), current/ voltage transients, and temperature changes, and extra care must be taken to ensure the laser diode is protected during all operating conditions. Unlike general-purpose power supplies or current...

Application Briefs : Photonics/Optics
Comparing Apples to Oranges: Self-Service Scales With USB Cameras Auto-Detect Fruits and Vegetables

From apples to oranges, from avocado to zucchini — the fruit and vegetable departments of large supermarkets offer an overwhelming choice of fresh products. Consumers benefit from this broad selection, as most fruits are now available year...

Briefs : Photonics/Optics
885-nm Pumped Ceramic Nd:YAG Master Oscillator Power Amplifier Laser System

The performance of a traditional diode pumped solid-state laser that is typically pumped with 808-nm laser diode array (LDA) and crystalline Nd:YAG was improved by using 885-nm LDAs and ceramic Nd:YAG. The advantage is lower quantum defect, which will improve the thermal...

Briefs : Photonics/Optics
Terahertz Quantum Cascade Laser With Efficient Coupling and Beam Profile

Quantum cascade lasers (QCLs) are unipolar semiconductor lasers, where the wavelength of emitted radiation is determined by the engineering of quantum states within the conduction band in coupled multiple-quantum-well heterostructures to have the desired energy separation....

Briefs : Physical Sciences
Measurement Via Optical Near-Nulling and Subaperture Stitching

A subaperture stitching interferometer system provides near-nulling of a subaperture wavefront reflected from an object of interest over a portion of a surface of the object. A variable optical element located in the radiation path adjustably provides near-nulling to facilitate...

Products : Photonics/Optics
Stereo Vision Camera Reference Design

e-con Systems Inc. (St. Louis, MO) has introduced the world’s first stereo vision camera reference design based on Texas Instruments’ OMAP/DM37x family of processors and Gumstix® Overo® computer-on-module (COM) series. The stereo camera reference design, code-named Capella, includes a DM3730-based...

Products : Photonics/Optics
Laser System

Carl Zeiss Microscopy (Peabody, MA) has launched the AURIGA® Laser, a new system that combines the AURIGA® CrossBeam (FIB-SEM) workstation with a pulsed micro-focus laser for fast ablation of material. The AURIGA® Laser examines samples where the target structure is buried under material layers. Ablation with a pulsed micro-focus...

Products : Photonics/Optics
PoE Cameras

Edmund Optics® (Barrington, NJ) has introduced new Power over Ethernet (PoE) cameras. Each device includes software that allows the user to set area of interest (AOI), gain, exposure, white balance, frame rate, trigger delay, and digital output (flash) delay and duration. The software can also implement edge enhancement, image...

Products : Photonics/Optics
Laser Beam Analysis System

Spiricon (North Logan, UT) has introduced BeamMic™, a new laser beam analyzer that combines the essentials for beam analysis in a low-cost, entry-level system. BeamMic includes easy-to-use software that measures a beam’s size, shape, uniformity, and mode content. Beam intensity profiles are displayed simultaneously...

Products : Photonics/Optics
Optical Sensor

Maxim Integrated Products (Sunnyvale, CA) offers the MAX44000, a digital ambient-light and infrared proximity sensor that detects light like a human eye. Designed using the company’s proprietary BiCMOS technology, the IC integrates three optical sensors, two ADCs, and digital functionality into a 2mm x 2mm x 0.6mm package.

Products : Photonics/Optics
3D Polarizing Filters

American Polarizers (Reading, PA) has introduced glass 3D circular polarizing filters for use with dual projection systems. API filters feature a range of sizes up to 14" x 20". Tight control of transmission characteristics gives the filters low ghosting properties when used with high-light-output projection systems of up...

Products : Photonics/Optics
Laser Diode

Renesas Electronics (Tokyo, Japan) and California Eastern Laboratories (Santa Clara, CA) are now sampling the 405-nm Blue-Violet Laser Diode, the NV4V31MF. The NV4V31MF provides precise laser emission supporting particle measurement, industrial precision measurement including location measurement and surface uniformity detection,...

Articles : Mechanical & Fluid Systems
Think Outside the Chip: MEMS-Based Systems Solutions

MEMS is an acronym for Microelectro mechanical Systems; however, most MEMS implementations to date have not been systems at all, but rather devices. This article reports the constituents and some applications of what is defined as MEMS-based systems solutions, or MBSS. In Europe, this concept...

Application Briefs : Sensors/Data Acquisition
Sensors Enable Precision Mounting of X-Ray Optics

NASA is developing the next generation of X-ray optics that could be used in an orbiting X-Ray Observatory. The “lens” consists of thousands of mirrors positioned to reflect X-rays at a shallow angle at focal length of 3-10 meters. Locating and fixing the mirrors in position is the primary...

Application Briefs : Photonics/Optics
Inlet Funnels on Mars Rover Are Validated Using Scanning Laser Vibrometry

NASA’s latest mission to Mars in November 2011 sent the Mars Science Laboratory rover “Curiosity” to assess whether Mars ever had, or still has, an environment able to support life. While on Mars, Curiosity will collect soil and environmental samples, and analyze the...

Techs for License
Piezo-Powered Actuators Offer Reduction in Weight

A set of piezoelectric actuators weighs 4 to 50 times less than other robotic actuators in end-effectors, including hydraulic or solenoid devices. The small piezos use ultra-low power: 3 mA holding current at 6.8 VDC, 7.5 mW. The piezo technology is a scalable actuator moved by a pre-loaded piezo...

Techs for License
Microscopic Sphere Production Process Eliminates Classification Needs After Processing

A new process produces microspheres of an extremely narrow size distribution and high homogeneity, measuring between 2 and 10 μm. The process can make the microscopic spheres from any material that can be polymerized; acrylic and styrene spheres have been...

NASA Tech Needs
Creation of Novel Optical Effects

A client seeks transformative technologies that will enable a variety of optical effects or hidden messaging to be created directly onto consumer products and its packaging. Reversible effects that are triggered by external stimuli, such as water (hydrochromic) and light (photochromic), are of interest....

NASA Tech Needs
Reduction of Plastics Used in Packaging

An organization must reduce the amount of plastic resin used in packaging, while maintaining the package’s structural integrity and functionality through the supply chain. It may be possible, for example, to inject air bubbles into plastic resin in such a way as to maintain container size, shape, and...

Who's Who
Sandeep Yayathi, Robotics Engineer, NASA Johnson Space Center, Houston, TX

NASA robotics engineer Sandeep Yayathi works on Robonaut 2, or R2, a humanoid robot built and designed at Johnson Space Center in Houston. As a robotics engineer, Sandeep Yayathi is developing a battery-based power system that will allow the Robonaut 2, now aboard the...

Products
Product of the Month: the tPac (TM) Telomonitoring System

The tPac™ Telemonitor ing System from Dataforth Corp., Tucson, AZ, provides a complete remote-access monitoring solution in a box. Users connect sensors to the tPac system terminals, connect their modem or switch to the Ethernet socket, and can immediately access their process,...

News : Lighting
Discovery Could Lead to More Efficient Solar Cells and Super Bright LEDs

Ateam of physicists headed by Dr. Vinod M. Menon, who is a member of The City University of New York Photonics Initiative and teaches at Queens College, has discovered a new method to manipulate light that could eventually result in more efficient solar cells, super bright...

Articles : Lighting
Research Opens Doors To UV Disinfection Using LED Technology

Research being done at North Carolina State University will allow the development of energy-efficient LED devices that use ultraviolet (UV) light to kill pathogens such as bacteria and viruses. The technology has a wide array of applications ranging from drinking-water treatment to...

Articles : Lighting Technology
LED Binning Using a Single Pulse Tester

LEDs are considered to be the light technology of the future due to their low energy consumption and long lifetime compared to traditional light sources. As LED luminous intensity levels increase, the range of applications for LEDs expands as well.

Articles : Lighting Technology
How Substrate Materials Affect LED Reliability

The solid-state lighting industry continues to develop LEDs with higher lumens per watt, in alignment with Haitz Law, which states that the cost per lumen falls by a factor of 10 every decade and the amount of light generated per LED increases by a factor of 20. These advancements are driving the...

Articles : Lighting
Brighter, More Efficient LED-Based Lighting

Code 3’s TriCore is an LED-based optical lighting technology that is 2X brighter than other technology currently on the market using only 1/3 the power of conventional lighting systems, yielding higher watt-for-watt efficiency. The brightness and efficiency are achieved through a unique design that...

Articles : Lighting
Method of Simultaneously Refreshing all Pixels In a Display

Matrix-addressed displays, which include LCDs, LEDs, and almost every kind of display except the CRT, are currently refreshed one row or one column at a time. This is required for all digitally controlled displays and causes bandwidth limitations due to the high resolutions present in...

Briefs : Lighting
New Technique Allows Simulation of Noncrystalline Materials

A multidisciplinary team of researchers at MIT and in Spain has found a new mathematical approach to simulating the electronic behavior of noncrystalline materials, which may eventually play an important part in new devices including solar cells, organic LED lights, and printable,...

Briefs : Lighting
Colorful Light Could Be Used For Radiation Detection

A team of nanomaterials researchers at Sandia National Laboratories has developed a new technique that could make radiation detection in cargo and baggage more effective and less costly for homeland security inspectors. Known as spectral shape discrimination (SSD), the method takes advantage...

Briefs : Lighting
Bright Future for GaN Nanowires

The gallium nitride nanowires grown by PML scientists may only be a few tenths of a micrometer in diameter, but they promise a very wide range of applications, from new light-emitting diodes and diode lasers to ultra-small resonators, chemical sensors, and highly sensitive atomic probe tips.

Application Briefs : Lighting
Las Vegas Bets It All On White With Energy-Saving LED Streetlights
Las Vegas Bets It All On White With Energy-Saving LED Streetlights

Las Vegas is best known for the bright lights of ‘The Strip’ but thanks to new LED fixtures from GE Lighting, the city’s surrounding streets are starting to take on a...

Las Vegas Bets It All On White With Energy-Saving LED Streetlights
Application Briefs : Lighting
Convention Center Expands LED Lighting Retrofit
Convention Center Expands LED Lighting Retrofit

As part of its preparations to host the London 2012 Olympic Games, the ExCeL London International Exhibition & Convention Centre expanded its efforts to convert the facility to greener,...

Convention Center Expands LED Lighting Retrofit
Products : Lighting
Parking Garage/Utility Light

Light Efficient Design (North Barrington, IL) recently introduced its new LED-8025 Garage / Utility light. Designed for low bay applications in parking structures and warehouses, this patent pending lamp replaces existing High Intensity Discharge (HID) or High Pressure Sodium (HPS) bulbs. Up until now, facility...

Products : Lighting
27-Watt LED Bulb

GE Lighting (East Cleveland, OH) recently announced a light-emitting diode replacement for the 100-watt incandescent light bulb that packages 27 watts of input power in a standard “A-19” bulb shape. The GE Energy Smart® 27-watt LED bulb incorporates proprietary synthetic jet technology that was enabled by GE’s...

Products : Lighting
Blasting Gun Light
Blasting Gun Light

Magnalight.com from Larson Electronics (Kemp, TX) has announced its explosion-proof BLG-LED-4 LED blasting gun light. Battery powered and mounted to a standard industrial blasting gun, the BLG-LED-4 LED includes a lens...

Blasting Gun Light
Products : Lighting
LED Drivers

Texas Instruments (Dallas, TX) has introduced the TPS92311, an off-line primary side sensing controller. AC input voltage supports all common line voltages (100V, 120V, 230V, 240V, 277V), and adaptive constant on-time (COT) provides inherent power factor correction with no external components. To minimize stroboscopic effects, peak...

Products : Lighting
Remote Phosphor LED
Remote Phosphor LED

Intematix Corporation (Fremont, CA) has announced the availability of ChromaLit™ Contour. Lighting manufacturers can implement ChromaLit Contour to produce 60, 75 and 100 watt-equivalent omni-directional light in an LED...

Remote Phosphor LED
Products : Lighting
LED Array Holder

Molex Incorporated (Lisle, IL) recently announced that its new LED array holder will support Citizen Electronics’ recently introduced Chip on Board (COB) series of arrays: CLL010, CLL020, CLL030, CLL040 and CLL050. Molex currently offers LED array holders for the Citizen CLL-330 and CLL340 LED array products which provide...

Products : Lighting
LED Selector App

Osram Opto Semiconductors (Sunnyvale, CA) has built an Automotive Signal LED Selector, a new Webbased smart phone app for designers of exterior automotive lighting. Available for the iPhone, Android, Blackberry OS, or other devices with a Web browser, the tool enables engineers to quickly select LEDs by function, color,...

Products : Lighting
Digital Fade Dimmer

Light control manufacturer Lutron Electronics (Coopersburg, PA) recently announced the addition of the Maestro ® digital fade dimmer to its C•L™ dimmer collection. C•L dimmers work not only with today’s most popular light bulbs, but also with dimmable compact fluorescents (CFLs) and dimmable LEDs. C•L dimmers...

Products : Lighting
Flat Panel Downlight

Global Lighting Technologies (Brecksville, OH) has improved the performance of its standard 2×2 ft.-square, edgelit, LED-based flat panel downlight assembly by developing a brighter and more efficient SSL for ceiling lights that delivers efficiencies greater than 70 lumens per watt using standard GLT 2×2-ft troffer...

Products : Lighting
High Brightness LEDs

Everlight Electronics (Taipei, Taiwan) has introduced the “Shwo D” LED series of surface-mount, high-power devices. With standard operating current of 350mA, the LEDs measure 3.5 × 3.5 × 0.58 mm. When driven at standard operating current of 350mA, the minimum luminous flux (lm) of the 1W Shwo D can increase to 110 lm...

Products : Lighting
AC/DC LED Drivers

The PDA080B-48VG LED driver from Phihong USA (Fremont, CA) is rated for inputs of 100 VAC to 304 VAC. The driver, which has a maximum output of 80W at 48 VDC and 1.67A, is compliant with UL8750 and bears safety approvals from CE and cUL/UL. The water-resistant PDA080B features an ingress protection rating of 65; it can...

Products : Lighting
Smartphone LCD Backlight LED Drivers

austriamicrosystems (Unterpremstaetten, Austria) has released the AS3674 and AS3490 LED backlight drivers for smartphone LCD displays. The LED drivers enable application efficiency at a peak level of 90%, including the DC/DC converter and the current sources. The drivers, which feature a PCB footprint of 11.5...

Products : Lighting
Ceiling Mount LEDs

The ZELARA series from Zenaro Lighting (Boynton Beach, FL) offers LED-recessed light fixtures with two diameters of 118 and 170 mm. The ZELARA downlights achieve light beams of at least 15°, 35°, and 50°. Two light colors of 2700K and 5700K are optionally available.

Podcasts
Sandeep Yayathi, Robotics Engineer, NASA Johnson Space Center, Houston, TX

The Robonaut is a humanoid robot, so it’s a robot that looks very much like a person. It has two arms, similar degrees of freedom, and some complex dexterous hands. The hands are also very similar to what we have on our arms. The goal is for the Robonaut to be able to...