642nm 150mW Laser Diode

Photonic Products (Hertfordshire, UK) has announced the Opnext HL6385DG, a 642nm, 150mW, single longitudinal mode semi-conductor laser diode with TE mode oscillation. The Opnext HL6385DG laser diode is a single longitudinal mode, low aspect ratio laser diode with optical output power of 150mW CW (typ), at a lasing...

LED Drivers

RECOM (Brooklyn, NY) has introduced the RCD-24-x.xx Series LED-drivers with current outputs of 300, 350, 500, 600 and 700mA, which can also be adjusted using the analog dim-function. The buck converters feature an input range of 4.5 - 36 Volts. The housing measures 22.1 × 12.6 × 8.5mm and is made of UL94-V0 material. The drivers...

Dual Vision Thermal Imaging Camera

Mikron Infrared (Oakland, NJ) has introduced the M7816 Dual Vision Thermal Imaging Camera for demanding PPM applications. The camera features a 160 × 120 pixel resolution along with Mikron’s Dual Vision capabilities, which allows for the use of Mikron Fusion and Mikron Blender technology. The M7816 Dual...

Pump Diode Laser

The AM6-940B-20-608 from Alfa-light, Inc. (Madison, WI) is a 940nm, 6W uncooled multimode laser diode for cladding-pumped telecom fiber amplifiers. The AM6-940B-20-608 device includes a thermistor for temperature tracking, supporting complete system diagnostic and performance monitoring. It is available in a compact, hermetic...


GenScope, Inc. (E. Longmeadow, MA) introduces the MicroFlex, Micro SemiRigid, and MicroRigid ergonomic borescopes. With diameters of 0.6mm, the scopes are engineered for high speed inline and maintenance inspections in fast-moving aviation facilities. The MicroFlex GenScope has a durable fused quartz fiber optic image bundle that...

Ruggedized Lasers

Model ML301HD and Model MIL301HD ruggedized laser diode modules from Bea Laser Inc. (Elk Grove Village, IL) withstand vibration, chemical, impact, and dust conditions. Available in red or green laser beam output, these units are suitable in applications for metal forming equipment, punch presses, and heavy-duty saws where...

LED Driver

Linear Technology (Milpitas, CA) offers the LT3598, a 45V, 2.5MHz DC/DC boost mode converter designed to operate as a constant current LED driver for up to sixty white LEDs. The LT3598 can drive up to six strings of LEDs, each with up to ten 30mA white LEDs in series, while delivering efficiencies up to 90%. Its multichannel...

Portable Raman Spectroscopy Device

A portable 1064nm Raman Spectroscopy device from Andor Technology (Belfast, Northern Ireland) is based around the Andor iDus InGaAs detector array camera and Bayspec’s high throughput Volume Phase Holographic Gratings (VPHG) spectrograph. The instrument offers price and performance benefits while also...

Laser Apparatus

Mobius Photonics (Santa Clara, CA) has been awarded U.S. Patent #7,443,903 for a new laser apparatus that has multiple synchronous amplifiers tied to one master oscillator. This fiber-based architecture scales up average power for integration into high throughput machine tools without sacrificing reliability. Conventional...

Handheld Spectrometer

The i-LAB® Hand Held Analyzing Spectrometer from MicrOptix Technologies (Wilton, ME) performs real-time measurement and analysis of liquids and solids in the visible light range from 400–700nm. Features include a variety of sample interface adapters for sample measurement in the laboratory, field, plant, and classroom...

Damage-Resistant Mirrors

Saint-Gobain Crystals (Hiram, OH) has introduced high reflectors optimized for use with q-switched, solid-state lasers (Nd:YAG, NdYVO4, and Nd:YLF) operating in the near infrared and visible spectrum (1064nm, 1053nm, 532nm). The coatings on the beam delivery optics are designed to withstand high peak fluences...

Dispersion Control Modules

OFS (Norcross, GA) has announced new additions to its FemtoCompTM Modules line of dispersion control technologies for ultra-short pulse lasers. The modules address the difficult-to-match, third- and fourth-order dispersions of commonly used grating compressors. There are four new FemtoComp Modules in...

Articles : Medical
Life-Saving CPR Device Wins Create The Future Design Contest

LifeBelt® CPR, a new device that makes it easy for anyone to perform high-quality CPR compressions in the event of cardiac arrest, has won the $20,000 grand prize in the 2008 Create the Future Design Contest sponsored by Tech Briefs Media Group and Dassault Systèmes SolidWorks Corp....

Briefs : Physical Sciences
Improved Instrument for Detecting Water and Ice in Soil

An instrument measures electrical properties of relatively dry soils to determine their liquid water and/or ice contents. Designed as a prototype of instruments for measuring the liquid-water and ice contents of lunar and planetary soils, the apparatus could also be utilized for similar...

Articles : Automotive
Lithium-Ion Batteries Fuel the Future of Automotive Design

In 1924, General Motors president Alfred P. Sloan Jr. devised annual model-year design changes in order to maintain unit sales. Body shapes faced cosmetic changes every year, whether or not the underlying automobile had changed. This breakthrough strategy had widespread effects on the...

Briefs : Information Technology
Determining Surface Roughness in Urban Areas Using Lidar Data

An automated procedure has been developed to derive relevant factors, which can increase the ability to produce objective, repeatable methods for determining aerodynamic surface roughness. Aerodynamic surface roughness is used for many applications, like atmospheric dispersive models...

Briefs : Software
DSN Data Visualization Suite

The DSN Data Visualization Suite is a set of computer programs and reusable Application Programming Interfaces (APIs) that assist in the visualization and analysis of Deep Space Network (DSN) spacecraft-tracking data, which can include predicted and actual values of downlink frequencies, uplink frequencies, and...

Briefs : Physical Sciences
Real-Time Detection of Dust Devils From Pressure Readings

A method for real-time detection of dust devils at a given location is based on identifying the abrupt, temporary decreases in atmospheric pressure that are characteristic of dust devils as they travel through that location. The method was conceived for use in a study of dust devils on...

Briefs : Electronics & Computers
Hamming and Accumulator Codes Concatenated With MPSK or QAM

In a proposed coding-and-modulation scheme, a high-rate binary data stream would be processed as follows:

Gold Series Panel PCs

Maple Systems, Everett, WA, has released three Gold Series panel PCs in contoured 10", 15", and 17" fanless models. All models feature Intel processors and are preloaded with Windows XP Pro. The fully functional PCs run most Windows-compatible industrial software applications, and are designed for tightly sealed...

Who's Who
Dr. Drake Deming, Senior Scientist, Solar System Exploration Division, Goddard Space Flight Center

Dr. Drake Deming, former Chief of Goddard Space Flight Center’s Planetary Systems Laboratory, currently serves as Senior Scientist with NASA’s Solar System Exploration Division where he specializes in detecting and characterizing hot Jupiter...

Briefs : Electronics & Computers
Hardware Implementation of Serially Concatenated PPM Decoder

A prototype decoder for a serially concatenated pulse position modulation (SCPPM) code has been implemented in a field-programmable gate array (FPGA). At the time of this reporting, this is the first known hardware SCPPM decoder. The SCPPM coding scheme, conceived for free-space...

Briefs : Electronics & Computers
Biasable Subharmonic Membrane Mixer for 520 to 600 GHz

The figure shows a biasable subharmonic mixer designed to operate in the frequency range from 520 to 600 GHz. This mixer is a prototype of low-power mixers needed for development of wide-band, high-resolution spectrometers for measuring spectra of molecules in the atmospheres of Earth, other...

Briefs : Electronics & Computers
Wide-Angle-Scanning Reflectarray Antennas Actuated by MEMS

An effort to develop large-aperture, wide-angle-scanning reflectarray antennas for microwave radar and communication systems is underway. In an antenna of this type as envisioned, scanning of the radiated or incident microwave beam would be effected through mechanical rotation of the...

Briefs : Information Technology
Presentation Extensions of the SOAP

A set of extensions of the Satellite Orbit Analysis Program (SOAP) enables simultaneous and/or sequential presentation of information from multiple sources. SOAP is used in the aerospace community as a means of collaborative visualization and analysis of data on planned spacecraft missions. The following...

Application Briefs : Electronics & Computers
Supercomputer Aids NASA’s Journey to the Moon and Mars
SGI® Altix® ICE system
Silicon Graphics, Inc. (SGI)
Sunnyvale, CA

SGI has supplied NASA's Advanced Supercomputing facility at NASA Ames Research Center in Mountain View, CA with Pleiades, the world’s third-fastest supercomputer. The...

Application Briefs : Electronics & Computers
Radiation Detection Hardware Part of Living With a Star Experiment
Space dosimeter card
Space Micro Inc.
San Diego, CA

Space Micro’s space dosimeter card has been successfully integrated at NASA Goddard Space Flight Center (Greenbelt, MD) into the Living with a Star (LWS), Space...

Briefs : Software
Symbolic Processing Combined With Model-Based Reasoning

A computer program for the detection of present and prediction of future discrete states of a complex, real-time engineering system utilizes a combination of symbolic processing and numerical model-based reasoning. One of the biggest weaknesses of a purely symbolic approach is that it...

NASA Tech Needs
Highly Power-Aware Digital Extravehicular Activity (EVA) Radio

As NASA embarks upon deep-space human exploration, the next-generation extravehicular activity (EVA) radio will be a pivotal technology and an integral part of lunar surface systems success. It facilitates surface operations, enables crew mobility, and supports point to multi-point...

Briefs : Software
Spreadsheets for Analyzing and Optimizing Space Missions

XCALIBR (XML Capability Analysis LIBRary) is a set of Extensible Markup Language (XML) database and spreadsheet-based analysis software tools designed to assist in technology-return-on-investment analysis and optimization of technology portfolios pertaining to outer- space missions....

Technology Leaders