March 2013

Products
Product of the Month: Autodesk Fusion 360 Cloud-Based 3D CAD Modeling Software

Autodesk, San Rafael, CA, has introduced Autodesk Fusion 360 cloud-based 3D CAD modeling software that allows users to create 3D product designs and collaborate with others in the cloud. The cloud technology offers access from virtually any mobile device or Web...

Question of the Week
Do the Benefits of Domestic Drones Outweigh Privacy Drawbacks?

Congress has ordered the Federal Aviation Administration to open up airspace to unmanned aircraft by October 2015, a decision that will likely see thousands of domestic drones soaring the sky. Many are excited about the many innovative possibilities of the autonomous technology,...

Question of the Week
Does RSS Still Matter?

Reactions ranged from outrage to apathy when Google announced that it would be shutting down its Google Reader RSS client. The search giant said that the move was due to a decline in usage. Some fans of the 'Reader' and RSS cite its centralized features and its way of organizing a user's content. Others say...

Products : Electronics & Computers
High-Speed Data Converter System Evaluation Kit

Texas Instruments Incorporated (TI) (Dallas, TX) has introduced the industry’s first complete high-speed data converter system evaluation kit (HSDC-SEK), which reduces system evaluation costs and enables designers to get their system running in minutes. The HSDC-SEK-10 includes a pattern capture...

Products : Electronics & Computers
Digitally Tunable Capacitors

Peregrine Semiconductor Corporation (San Diego, CA), a fabless provider of high-performance radio frequency integrated circuits (RFICs), announced that it has expanded its DuNE™ Digitally Tunable Capacitor (DTC) product line with six second-generation devices for antenna tuning in 4G LTE smartphones. The PE623060,...

Products : Electronics & Computers
PCI-104 RS-232/422/485 Serial Communication Boards

ACCES I/O Products, Inc. has released a new family of PCI-104 serial communication boards—the 104I-COM-8SM Series. These PCI-104 boards feature a selection of 8, 4, or 2-ports of field selectable RS-232, RS-422, and RS-485 asynchronous serial protocols on a port by port basis. Ports are...

Products : Electronics & Computers
Eurocard Subrack Enclosures

Pixus Technologies (Waterloo, Ontario, Canada) offers Eurocard subracks for 3U and 6U boards in multiple configurations. The subrack enclosures can house backplanes or special modules for industrial, mil/aero, communications, medical, energy, and test/measurement industries. The Pixus subrack line features a modular...

News : Robotics, Automation & Control
'Cheetah' Robot Hits High Speeds, Wastes Little Heat

A 70-pound “cheetah” robot designed by MIT researchers may soon outpace its animal counterparts in running efficiency: In treadmill tests, the researchers have found that the robot — about the size and weight of an actual cheetah — wastes very little energy as it trots continuously...

Question of the Week
Will Privacy Concerns Keep You from Using Google Glass?

As many users anticipate the arrival of Google Glass, augmented reality technology shaped like a pair of glasses, some technologists are questioning the privacy issues associated with the use of these wearable computers. Many express concern about users' ability to secretly capture audio...

Products
Raman Spectral Surface Mapping

CRAIC Technologies (San Dimas, CA) has added Raman Spectral Surface Mapping™ (S2M™) capabilities to its Apollo™ Raman microspectrometer line. S2M gives CRAIC Raman microspectrometer users the ability to map the Raman spectral variation of their samples with microscopic spatial resolution. Surface profiles can...

Products
Laser Power/Energy Meter

Ophir Photonics Group (North Logan, UT) recently introduced a new low cost laser power/energy meter called StarLite that provides both digital and analog screen displays. A compact, handheld unit, StarLite displays a variety of beam measurements, including power, single shot energy, energy and frequency of high...

Products
High-Throughput Spectrometers

Ocean Optics (Dunedin, FL) has expanded its Elite Series of high-performance modular spectrometers with the introduction of the Ventana line of high throughput spectrometers. Ventana spectrometers combine an optical bench configuration with very high collection efficiency and a high-efficiency volume phase...

Products
Fiber Optic Connector Inspection System

AFL (Lowell, MA and Spartanburg, SC) has introduced the family of NOYES FOCIS PRO automatic fiber inspection solutions. The FOCIS PRO System consists of the DFD1 Touchscreen Tablet, the DFS1 Digital FiberScope and the new SimpleView™ PRO software. Capable of centering a fiber image, identifying critical...

News
New Imaging Technique Allows Firefighters to See Through Flames

A team of Italian researchers has developed a new imaging technique that uses infrared (IR) digital holography to peer through chaotic conflagrations and capture potentially lifesaving and otherwise hidden details.

Question of the Week
Does Telecommuting Restrict Innovation and Productivity?

A Yahoo Inc. internal memo, which introduced a ban on working from home, has set off a debate on whether "telecommuting" and working remotely leads to greater productivity and job satisfaction, or kills creativity and is just a chance to take it easy. Supporters of this kind of ban say...

Briefs : Information Technology
Display Provides Pilots with Real-Time Sonic-Boom Information

Supersonic aircraft generate shock waves that move outward and extend to the ground. As a cone of pressurized air spreads across the landscape along the flight path, it creates a continuous sonic boom along the flight track. Several factors can influence sonic booms: weight, size, and...

Briefs : Information Technology
Vectorized Rebinning Algorithm for Fast Data Down-Sampling

A vectorized rebinning (down-sampling) algorithm, applicable to Ndimensional data sets, has been developed that offers a significant reduction in computer run time when compared to conventional rebinning algorithms. For clarity, a two-dimensional version of the algorithm is discussed to...

Briefs : Software
Monitoring and Acquisition Realtime System (MARS)

MARS is a graphical user interface (GUI) written in MATLAB and Java, allowing the user to configure and control the Scalable Parallel Architecture for Real-Time Acquisition and Analysis (SPARTAA) data acquisition system. SPARTAA not only acquires data, but also allows for complex algorithms to be...

Briefs : Information Technology
Onboard Algorithms for Data Prioritization and Summarization of Aerial Imagery

Many current and future NASA missions are capable of collecting enormous amounts of data, of which only a small portion can be transmitted to Earth. Communications are limited due to distance, visibility constraints, and competing mission downlinks. Long missions and...

Briefs : Software
Remote Data Access with IDL

A tool based on IDL (Interactive Data Language) and DAP (Data Access Protocol) has been developed for user-friendly remote data access. A difficulty for many NASA re searchers using IDL is that often the data to analyze are located remotely and are too large to transfer for local analysis. Researchers have developed a...

Briefs : Physical Sciences
Data Compression Algorithm Architecture for Large Depth-of- Field Particle Image Velocimeters

A large depth-of-field particle image velocimeter (PIV) is designed to characterize dynamic dust environments on planetary surfaces. This instrument detects lofted dust particles, and senses the number of particles per unit volume, measuring their...

Briefs : Electronics & Computers
Micro-Textured Black Silicon Wick for Silicon Heat Pipe Array

Planar, semiconductor heat arrays have been previously proposed and developed; however, this design makes use of a novel, microscale black silicon wick structure that provides increased capillary pumping pressure of the internal working fluid, resulting in increased effective thermal...

Briefs : Manufacturing & Prototyping
Castable Amorphous Metal Mirrors and Mirror Assemblies

The use of mirror assemblies is commonplace in the aerospace industry, as most satellites and spacecraft contain optics. The fabrication of these mirrors is extremely complex due to the nature of their intended use, which includes telescope lenses, camera optics, or laser mirrors. Some of...

Briefs : Mechanical & Fluid Systems
Apparatus for Pumping a Fluid

A fluid pump has been developed for mechanically pumped fluid loops for spacecraft thermal control. Lynntech’s technology utilizes a proprietary electrochemically driven pumping mechanism. Conventional rotodynamic and displacement pumps typically do not meet the stringent power and operational reliability...

Briefs : Mechanical & Fluid Systems
Sandwich Core Heat-Pipe Radiator for Power and Propulsion Systems

Next-generation heat-pipe radiator technologies are being developed at the NASA Glenn Research Center to provide advancements in heat-rejection systems for space power and propulsion systems. All spacecraft power and propulsion systems require their waste heat to be rejected to...

Briefs : Materials
Non-Toxic, Non-Flammable, –80 ºC Phase Change Materials

The objective of this effort was to develop a non-toxic, non-flammable, –80 °C phase change material (PCM) to be used in NASA’s ICEPAC capsules for biological sample preservation in flight to and from Earth orbit. A temperature of about –68 °C or lower is a critical temperature...

Briefs : Materials
Soft-Bake Purification of SWCNTs Produced by Pulsed Laser Vaporization

The “soft-bake” method is a simple and reliable initial purification step first proposed by researchers at Rice University for single-walled carbon nanotubes (SWCNT) produced by high-pressure carbon mon - oxide disproportionation (HiPco). Softbaking consists of annealing...

Briefs : Materials
Improved Wide Operating Temperature Range of Li-Ion Cells

Future NASA missions aimed at exploring the Moon, Mars, and the outer planets require rechargeable batteries that can operate over a wide temperature range (–60 to +60 ºC) to satisfy the requirements of various applications including landers, rovers, penetrators, CEV, CLV, etc. This...

Briefs : Medical
Improved Cell Culture Method for Growing Contracting Skeletal Muscle Models

An improved method for culturing immature muscle cells (myoblasts) into a mature skeletal muscle overcomes some of the notable limitations of prior culture methods. The development of the method is a major advance in tissue engineering in that, for the first time, a...

Briefs : Medical
Hand-Based Biometric Analysis

Hand-based biometric analysis systems and techniques provide robust handbased identification and verification. An image of a hand is obtained, which is then segmented into a palm region and separate finger regions. Acquisition of the image is performed without requiring particular orientation or placement...

Briefs : Medical
The Next Generation of Cold Immersion Dry Suit Design Evolution for Hypothermia Prevention

A body at sea is vulnerable to hypothermia, which often leads to loss of life. Hypothermia is caused by the differences between the core body temperature and the surrounding air and seawater temperatures. The greater the differences between the body core...

Briefs : Software
Integrated Lunar Information Architecture for Decision Support Version 3.0 (ILIADS 3.0)

ILIADS 3.0 provides the data management capabilities to access CxP-vetted lunar data sets from the LMMP-provided Data Portal and the LMMP-provided OnMoon lunar data product server. (LMMP stands for Lunar Mapping and Modeling Project.) It also provides...

Briefs : Software
Relay Forward-Link File Management Services (MaROS Phase 2)

This software provides the servicelevel functionality to manage the delivery of files from a lander mission repository to an orbiter mission repository for eventual spacelink relay by the orbiter asset on a specific communications pass. It provides further functions to deliver and track...

Briefs : Software
Two Mechanisms to Avoid Control Conflicts Resulting from Uncoordinated Intent

This software implements a real-time access control protocol that is intended to make all connected users aware of the presence of other connected users, and which of them is currently in control of the system. Here, “in control” means that a single user is...

Briefs : Software
XTCE GOVSAT Tool Suite 1.0

The XTCE GOVSAT software suite contains three tools: validation, search, and reporting. The Extensible Markup Language (XML) Telemetric and Command Exchange (XTCE) GOVSAT Tool Suite is written in Java for manipulating XTCE XML files. XTCE is a Consultative Committee for Space Data Systems (CCSDS) and Object Management...

Briefs : Information Technology
Remote Data Exploration with the Interactive Data Language (IDL)

A difficulty for many NASA researchers is that often the data to analyze is located remotely from the scientist and the data is too large to transfer for local analysis. Researchers have developed the Data Access Protocol (DAP) for accessing remote data. Presently one can use DAP...

Briefs : Information Technology
Mixture-Tuned, Clutter Matched Filter for Remote Detection of Subpixel Spectral Signals

Mapping localized spectral features in large images demands sensitive and robust detection algorithms. Two aspects of large images that can harm matched-filter detection performance are addressed simultaneously. First, multimodal backgrounds may thwart the...

Briefs : Information Technology
SequenceL: Automated Parallel Algorithms Derived from CSP-NT Computational Laws

With the introduction of new parallel architectures like the cell and multicore chips from IBM, Intel, AMD, and ARM, as well as the petascale processing available for high-end computing, a larger number of programmers will need to write parallel codes. Adding the...

Briefs : Information Technology
Determining Temperature Differential to Prevent Hardware Cross- Contamination in a Vacuum Chamber

When contamination-sensitive hardware must be tested in a thermal vacuum chamber, cross-contamination from other hardware present in the chamber, or residue from previous tests, becomes a concern. Typical mitigation strategies involve maintaining...

Techs for License
Electronic Device Prevents Hearing Loss

MP3 and MP4 players, along with powerful Class-D headphone amplifiers, can cause hearing loss due to a continuously high sound pressure level (SPL). A Hungarian university has developed an electronic device for preventing hearing loss and simulating ear distortion. The invention is a simple module that...

Techs for License
Palladium Membranes Separate Hydrogen

Compared to conventional technology, palladium membranes offer an increased flow of high-purity hydrogen from a gaseous stream. The membranes are prepared by electroless- deposition plating of Pd (or Pd alloy) on a porous support. The process results in a unique hexagonal structure. High flux translates to...

NASA Tech Needs
Delivery of Antiseptic/Antimicrobial Formulation

A company must deliver a measured amount of antiseptic/ antimicrobial formulation to a specific surface area (between 1 to 3 square feet) and be able to verify visually that the area has been adequately covered and treated. Currently, the antimicrobial formulation is a liquid with a viscosity...

NASA Tech Needs
Reduction of Liquid Temperatures in Metal/Glass Containers

Beverages, when served cold, quickly heat up during consumption. A client seeks material and process technologies that will insulate against heat gain or actively reduce temperature of liquids contained in glass bottles or metal cans. Processes that enable the printing, coating, and...

Articles : Imaging
Building an Immersive Training Platform for Infantry Soldiers

Developing an effective immersive training tool requires a fine balance of technology capabilities with human factors. Achieving a training goal to build squad leadership skills, squad-level communication, and mission rehearsal for an entire squadron brings together several...

Articles : Imaging
Modular Software & Metallography: Automating the Analysis Process

Today’s micro-imaging analysis software systems provide users with a module-based approach that allows imaging and measurement to be customized to specific workflow environments. This type of interface flexibility also enables higher levels of automation and standardization —...

Application Briefs : Imaging
Controller Boards Bring 12-Monitor Video Wall to the Track

The P.A. People, specialist contractors within the audio-visual systems sector, were commissioned by the Australian Grand Prix Corporation to deliver a large-scale video wall for access to critical information, including race and driver details, weather forecasts, and closed-circuit...

Products : Imaging
Machine Vision Software

Microscan (Renton, WA) has announced AutoVISION™ 2.0 machine vision software. AutoVISION™ 2.0 provides additional capabilities, including Verification and OCV (Optical Character Verification) Tools to validate print quality, a Logic Tool for building pass/fail criteria, and support for automated job change over. The...

Products : Imaging
High-Resolution Camera

The Adimec SAPPHIRE S-25A45 camera from Adimec Electronic Imaging (Stoneham, MA) runs up to 45 fps. The SAPPHIRE S-25A45, based on ON Semiconductor’s VITA 25k image sensor, includes two-directional defect pixel correction. The 25-megapixel CMOS global shutter camera delivers images of 5120 × 5120 pixels. The dual...

Products : Imaging
3D Lens

Samsung Electronics Co., Ltd. (Suwon, South Korea) has released the NX300 camera, which features a 45-mm F1.8 2D / 3D lens capable of capturing both stills and 1080p Full HD video in 3D quality. The NX300 includes a 20.3 Megapixel APS-CMOS sensor, wide ISO range (ISO100-25600), and Hybrid Auto Focus (AF) system. The technology has a...

Products : Imaging
High-Resolution Cameras

Allied Vision Technologies (Newburyport, MA) has expanded the Prosilica GT camera series with five new high-resolution models from 9.2 to 29 Megapixels. The Prosilica GT4100, featuring a CMV12000 global shutter CMOS sensor from CMOSIS, offers 12.6 Megapixel resolution. It delivers up to 7.5 fps at full resolution. The...

Products : Imaging
Machine Vision System

KEYENCE Corp. (Elmwood Park, NJ) has introduced the CV-X100 Series. New tools include Auto-Teach Inspection, as well as pointand- click measurement. The Auto-Teach Inspection technology automatically makes detections based off of a set of learned “good” parts. High-precision measurements can be done quickly and easily...

Products : Imaging
Infrared Imaging

To aid identification of thermal breakdown problems, FLIR Systems (Wilsonville, OR) has introduced Multi-Spectral Dynamic Imaging (MSX™), a new patentpending technology for its T450SC / 650SC Series IR cameras. MSX adds visible spectrum definition to IR images in real time. FLIR’s technology embosses digital camera detail...

Products : Imaging
USB 3.0 Camera

The Lt425 and Lt225 from Lumenera Corporation (Ottawa, Ontario, Canada) use USB 3.0 technology to deliver images up to 170 fps. Image captures, complemented by 128 MB of onboard memory, can be synchronized using either a hardware or software trigger. Images are temporarily held within the camera until the host computer is ready to...

Products : Imaging
Zoom Lens

The Model 207 Motorised Mini Zoom Lens from Resolve Optics Ltd. (Chesham, UK) focuses on an object at infinity down to an object positioned 35 millimeters in front of the lens. The Model 207 (50 x 34 x 31 mm) is designed for use with miniature CCTV cameras in applications including industrial inspection and control, surveillance,...

Articles : Manufacturing & Prototyping
3D Printing: A New Mindset in Product Design

What is 3D Printing?

The terms “3D printing” and “additive manufacturing” refer to processes that automatically build objects layer-by-layer from computer data. The technology is already well used in many sectors including transportation, healthcare, military, and education. Uses...

Briefs : Photonics/Optics
Partitioned-Interval Quantum Optical Communications Receiver

The proposed quantum receiver in this innovation partitions each binary signal interval into two unequal segments: a short “pre-measurement” segment in the beginning of the symbol interval used to make an initial guess with better probability than 50/50 guessing, and a much longer...

Briefs : Photonics/Optics
Cobra Fiber-Optic Positioner Upgrade

A prime focus spectrometer (PFS), along with corrective optics, will mount in place of the secondary mirror of the Subaru telescope on Mauna Kea, Hawaii. This will allow simultaneous observations of cosmologic targets. It will enable large-scale galactic archeology and dark energy surveys to help unlock the...

Briefs : Physical Sciences
Practical UAV Optical Sensor Bench With Minimal Adjustability

A multiple-pass optical platform eliminates essentially all optical alignment degrees of freedom, save one. A fourpass absorption spectrometer architecture is made rigid by firmly mounting dielectric-coated mirror prisms with no alignment capability to the platform. The laser diode...

Features : Photonics/Optics
Optical Thin Films on Complex Substrate Geometries

Anext-generation low pressure chemical vapor deposition (LPCVD) optical thin film coating process is permitting the manufacture of interference filter coatings, such as single wavelength, dual band and broadband AR, cold mirror, dichroic, and conductive. The enhanced thin film IsoDyn™ process,...

Application Briefs : Photonics/Optics
Solar Powered UAVs

The use of unmanned aerial vehicles (UAVs) has been increasing worldwide as demands for agile, rapid, targeted response forces have grown. UAVs provide surveillance and detection capabilities to these smaller forces that are unmatched by other technologies. As the reliance on UAVs increases, the short endurance times of...

Products : Photonics/Optics
633nm Red Lasers

The new TopMode laser from TOPTICA Photonics, Inc. (Victor, NY) features proprietary CoHerence-Advanced Regulation Method (CHARM) technology that provides active stabilization of the lasers’ coherence. The TopMode laser provides 30 mW at 633nm (free beam).

Products : Photonics/Optics
CMOS Sensor

Truesense Imaging (Rochester, NY) recently announced its first CMOS image sensor specifically targeting applied imaging markets such as machine vision, intelligent transportation systems, and surveillance. With 12 million pixels (4000 x 3000) in a 4/3 optical format, the KAC-12040 supports 8, 10, 12, and14-bit output, providing...

Products : Photonics/Optics
Tactical Fiber Optic Connectors

TE Connectivity (TE) (Harrisburg, PA) announced that their PRO BEAM Jr. expanded-beam tactical fiber optic connectors have achieved qualification to U.S. government standard MIL-DTL-83526/20 and /21. This interface is a derivative of TE’s PRO BEAM Jr. connector. This achievement, coupled with the VG 95319-100...

Products : Photonics/Optics
IX3 Breadboard and Filter Wheel Assembly

Prior Scientific (Rockland, MA) announced a new IX3 breadboard and filter wheel assembly for Olympus IX3 inverted microscope systems. Taking full advantage of the open access to the light path on the Olympus IX3 microscope, the IX3 breadboard and HF108SIX3 filter wheel module can be mounted and removed...

Products : Photonics/Optics
2MP Night Vision IP Camera

TRENDnet (Torrance, CA) recently announced a new 2-Megapixel PoE Day/ Night Dome Internet Camera, model TVIP262PI- A. The tamper resistant TV-IP262PI produces vivid 1280 x 1024 pixel (H.264 compression format) video in complete darkness for distances of up to 12 meters (40 feet). Manually pan the camera side-to-side...

Products : Photonics/Optics
Laser Cutting Machine

Coherent, Inc. (Santa Clara, CA) has extended its integrated laser machine tool product portfolio with its new META platform, offering improved performance and greater ease-of-use. The META platform features a unibody chassis design. This rigid, single weldment provides improved mechanical stability for the system,...

Products : Photonics/Optics
Photodiode Modules

P-CUBE photodiode modules from Laser Components (Hudson, NH) enable precise measurements in a compact measurement setup. Low-noise, sensitive PIN photodiodes are housed in cubes that have an edge length of only 40mm. To integrate them into optomechanical setups, the cubes can be attached to a rod system. The following versions...

Products : Photonics/Optics
Laser Shutters

CVI Melles Griot (Rochester, NY) recently introduced SafeClose laser shutters, based on the proven rotor drive actuation technology modified to close on power down. The proprietary Rotor Drive actuator provides a reliable, multimillion- cycle operation and ability to withstand harsh environmental conditions, including wide...

Products : Photonics/Optics
Krypton Light Source

The ecoVis is a compact, lowvoltage light source (400-2500nm) from Ocean Optics (Dunedin, FL) with built-in cuvette holder that’s suitable for basic lab measurements in teaching labs and other research environments. The eco- Vis is small – just 95mm x 50mm and weighs 265g – and has a rugged solid alloy housing that...

Products : Photonics/Optics
Femtosecond Laser

Spectra-Physics (Santa Clara, CA) has introduced Spirit™ 8 W, an industrial-grade high power femtosecond (fs) laser for micromachining applications. The Spirit ultrafast laser provides high average power of >8 W in the infrared at 1040 nm with a second harmonic option for generating green femtosecond pulses. The laser...

Products : Photonics/Optics
Laser Light Source Controller

Energetiq Technology (Woburn, MA) has introduced. New smart controller for its laser-driven light sources. Developed for the EQ-99 series of Laser-Driven Light Sources (LDLS™), the EQ-99 Manager enhances functionality by adding a USB interface and an advanced shutter control system for greater integration and...

Products : Photonics/Optics
High Power Optical Fibers

Universal Clad (UniClad) optical fiber from Fiberguide (Stirling, NJ) is designed for integration into fiber based lasers and OEM systems performing high power transmission. The fiber uses a large core-to-clad ratio to reduce stress transfer to its core, maintaining laser beam quality and improving focal ratio...

Products : Photonics/Optics
Dual-Band Raman Analyzer

The Agility™ is the world’s first transportable Raman Analyzer to offer a dual-band option. The Agility™ Series employ a highly efficient Volume Phase Grating (VPG®) as the spectral dispersion element, customizable to any wavelength range, and an optimally cooled scientific grade detector array (532/785nm CCD or...

Products : Photonics/Optics
Deep Cooled Vacuum-Based 6mp CCD

Raptor Photonics (Larne, Northern Ireland) has launched the Kingfisher V, a deep cooled vacuum-based CCD using Raptor’s new vacuum technology called PentaVac™. The Kingfisher V has 4.54m × 4.54m pixels enabling ultra-sharp image resolution and QE of up to 77%. The extremely low dark current of 0.000001 e/p/s...

Application Briefs : Sensors/Data Acquisition
Bearing Keeps Spectrometer Stable in Telescope

How do you collect data from stars thousands of light years away while positioning a 300-ton, 10-meter telescope to within a fraction of a human hair? You use a high-tech spectrometer called MOSFIRE (Multi-Object Spectrometer For Infra-Red Exploration), rotating on a custom bearing.

Application Briefs : Software
NASA Uses GPUs to Build More Vivid Flight Simulators

Nearly everyone is familiar with terms like 20/20 vision, but what does that mean when it comes to developing a flight simulator?

Articles : Software
Software Programs Derive Measurements from Photographs

Following the Space Shuttle Columbia accident in 2003, the Columbia Accident Investigation Board spent nearly seven months examining the cause of the accident. To this end, investigators performed an extensive review down five analytic paths: aerodynamic, thermodynamic, sensor data timeline,...

Who's Who
Bob Reisse, ALHAT Project Manager, Langley Research Center, Hampton, VA.

Bob Reisse coordinates the design and testing of ALHAT (Autonomous Landing Hazard Avoidance Technology) sensors. In December, ALHAT instruments were melded to HUEY helicopters, which used sensors and an integrated computer system to provide guidance and assist pilots. The...

Briefs : Lighting
Spectrally Tunable Lighting Source Enables Color Rendering Evaluation

Solid-state lighting (SSL) is increasingly being introduced into the market and it is expected that many of the light sources currently used for general illumination will be replaced by light-emitting diodes (LEDs) in the future. As the spectra of LED sources are dissimilar to...

Briefs : Lighting
New MicroLEDs Achieve Ultra-High Light Intensity

InfiniLED’s latest MicroLEDs (μLEDs) have produced record optical beam intensity. This new device is capable of producing up to 1mW of light from a single 20μm pixel at 405nm. This is equivalent to a light output density of more than 300 W/cm2 — the high cm2 est recorded for a commercially...

Briefs : Lighting
Chips That Can Steer Light

If you want to create a moving light source, you have a few possibilities. One is to mount a light emitter in some kind of mechanical housing — the approach used in, for example, theatrical spotlights, which stage hands swivel and tilt to track performers. Another possibility, however, is to create an array of light...

Articles : Lighting
Designing LED Lighting for Commercial Applications

As specifiers and end users began moving away from incandescent lighting three decades ago, they started utilizing high intensity discharge (HID) and compact fluorescent (CFL) lamps and fixtures for most commercial lighting applications. The inherent characteristics of these light sources...

Articles : Lighting
Efficient Thermal Simulation for Advanced LED Designs

A successful LED system design must be able to transfer the active device’s heat efficiently from its own PN junction to the ambient. This path includes the printed circuit board on which the LED is mounted and the enclosure and/or heatsink. The designer must confirm that housings and...

News : Lighting
Scientists Invent New Material for Warm-White LEDs

Light emitting diodes (LEDs) are known for their energy efficiency and durability, but the bluish, cold light of current white LEDs has precluded their widespread use for indoor lighting. Now, University of Georgia scientists have fabricated what is thought to be the world's first LED that emits...

Articles : Lighting
Researchers Identify Links Between Visibility and Safety From Roadway Lighting

Newspapers are filled with stories describing reductions and removal of street lighting in order to reduce municipal costs. Tackling the tricky questions of when and where to install roadway illumination is a challenge for transportation agencies.

Application Briefs : Lighting
JetBlue Airways Hangar and Training Center Get New High Output CFL Lamps

To provide significant energy savings with optimal lighting quality, JetBlue Airways recently selected MaxLite’s High- Max® High Output compact fluorescent (CFL) lamps for a series of retrofit projects in its Orlando-based hangar and training center. With maintained...

Application Briefs : Lighting
Marriott Headquarters Implements Campus-Wide Lighting Upgrade

GE Lighting LED solutions were recently installed in several locations at Marriott International’s headquarters located in Bethesda, Md. The installations have enriched lighting quality, heightened employee security and improved energy efficiency. Following its corporate campus-wide...

Application Briefs : Lighting
LED Landing Light Is Impervious to Shock and Vibration

Hoffman Performance Lighting has introduced the firstever PAR64 LED Landing Light, a drop-in replacement for existing Q4559 and Q4559X quartz halogen lamps. The ruggedized PAR64 can be used on a wide range of commercial, civil, law enforcement, aero-medical, and military aircraft. With FAA...

Products : Lighting
Top View LEDs

Everlight Electronics (Carrollton, TX) has introduced a new highly efficient white mid-power LED series 62-227B (0.4W) and 62-217B (0.5W). These top view LEDs (5630 package) provide high efficacy, high CRI (min. 80 or min. 75), low power consumption, a high luminous flux output, high current capability, a wide viewing angle, and a...

Products : Lighting
LED-Driver Reference Designs

Power Integrations (San Jose, CA) recently announced two new reference designs describing high-efficiency, non-isolated, high-power-factor (PF) LED drivers for T8 tubes. The designs feature low component count and leverage simple magnetics and single-sided boards yielding power densities of 14.2 W/in³. Based on the...

Products : Lighting
LED Chains

Universal’s (Nashville, TN) new family of Signa® LED chains makes it simple to design signage with high lumens, consistent color, superior reliability, and an installer-friendly module fastening system. Offering high-efficiency 80- and 100-lumens-perfoot options, these new LED chains allow you to maximize the number of feet of...

Products : Lighting
RGB Pixel Control Lighting

EnvironmentalLights.com (San Diego, CA) recently launched a new family of individually addressable RGB LED pixel lighting called Pixel- Pro LED lighting that combines the ability to produce millions of colors with the technology needed to achieve individual pixel control. PixelPro LED modules combine RGB LEDs with an...

Products : Lighting
LED Drivers with Triac Dimming

Aimtec (Vaudreuil-Dorion, Canada) recently introduced its AMEPR30D-5070AZ-220 AC/DC LED driver with triac dimming. Available in constant output currents ranging from 0.2 to 2.0A, the AMEPR10D-AZ (10 watt), AMEPR15D-AZ (15 watt), and AMEPR30D-AZ (30 watt) drivers come in one of the industry’s smallest form factors...

Products : Lighting
LED Power Supplies

Green Watt Power (Concord, CA), a division of Calex Mfg. Co., has announced CSA/UL agency approvals on the Green Watt Power offering of LED Constant Current power supplies. The GLC Series offers solutions from 18 Watts to 150 Watts. All GLC models are enclosed to IP67 standards and well suited for virtually all LED lighting...

Products : Lighting
375W Constant Current Power Supply

N2Power (Simi Valley, CA) a division of Qualstar Corporation, has announced constant current versions of its 375W AC-DC power supply dubbed XL375LED. The new units are designed to drive strings of LEDs in high power lamps for industrial, entertainment and outdoor lighting requirements.

Products : Lighting
1.5A DC/DC Buck Converter

Texas Instruments Incorporated (TI) (Dallas, TX) recently introduced a 1.5A constant current DC/DC buck converter with a combination of frequency synchronization, pulsewidth modulation (PWM) dimming and thermal foldback. The TPS92510 features a wide 3.5V to 60V input voltage operating range and integrated MOSFET....

Products : Lighting
Flickerless LED Drivers

iWatt (Campbell, CA) has launched its iW3616 (12W) and iW3617 (25W) LED driver ICs based on the company’s thirdgeneration digital AC/DC SSL (solid state lighting) LED driver platform. The drivers are designed for 120V/230VAC offline LED lighting bulbs and fixtures.

Products : Lighting
Continuous-Dimming LED Drivers

O2Micro International Limited (Santa Clara, CA) recently extended the company's Free Dimming™ technology and lighting product portfolio with the introduction of the OZ8024 and OZ8024R LED Driver Controllers. Free Dimming technology enables LED bulbs to dim using any on/off switch, thus eliminating cost,...

Products : Lighting
LED Planar Modules

Planar lighting pioneer Oree (Ramat Gan, Israel)recently unveiled the LightCell™ Plus to give lighting fixture manufacturers more options for developing innovative LED-based planar light fixtures. LightCell Plus is geared to general lighting segments including offices, retail, hospitality and residential lighting.

Products : Lighting
Epoxy Based UV Curable System

Master Bond UV15 (Hackensack, NJ) is widely used for a variety of bonding, coating and sealing applications in the optical, electronic and optoelectronic industries. This epoxy based UV curable system is 100% reactive and does not contain any solvents or other volatiles. It is also completely free of any oxygen...

Products : Lighting
Constant Current Regulators

ON Semiconductor (Phoenix, AZ) has introduced the new NSIC20xx series of linear constant current regulators (CCR) designed for use in solid state lighting systems. The new NSIC20XX series of CCRs offer a maximum voltage rating of 120 Volts, 3 Watts, and are capable of withstanding the high peak voltages of alternating...

Products : Lighting
Step-Dimming Module

Thomas Research Products (Hyntley, IL) has introduced a new step-dimming module that offers easy bi-level dimming control for LED luminaires. The SD1 device works with two standard wall switches to allow bi-level step-dimming of LED luminaires. This module is suitable for situations where quick switching between 100% and 50%...

Podcasts
Bob Reisse, ALHAT Project Manager, Langley Research Center, Hampton, VA.

Bob Reisse coordinates the design and testing of ALHAT (Autonomous Landing Hazard Avoidance Technology) sensors. In December, ALHAT instruments were melded to HUEY helicopters, which used sensors and an integrated computer system to provide guidance and assist pilots....

Podcasts
Bob Reisse, ALHAT Project Manager, Langley Research Center, Hampton, VA.

Bob Reisse coordinates the design and testing of ALHAT (Autonomous Landing Hazard Avoidance Technology) sensors. In December, ALHAT instruments were melded to HUEY helicopters, which used sensors and an integrated computer system to provide guidance and assist pilots....