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Briefs: Photonics/Optics
Large Telescope Segmented Primary Mirror Alignment
A document discusses a broadband (white light) point source, located at the telescope Cassegrain focus, which generates a cone of light limited by the hole in the secondary mirror (SM). It propagates to the aspheric null-mirror, which is optimized to make all the reflected rays to be normal to the...
Briefs: Physical Sciences
Simplified Night Sky Display System
A document describes a simple night sky display system that is portable, lightweight, and includes, at most, four components in its simplest configuration. The total volume of this system is no more than 106 cm3 in a disassembled state, and weighs no more than 20 kilograms. The four basic components are a...
Who's Who: Aerospace
Robert Lightfoot Jr. began his career with NASA in 1989 as a test engineer and program manager for the space shuttle engine technology testbed program and the Russian RD-180 engine...
Articles: Photonics/Optics
Fiber optic interconnects have enjoyed a relatively long history in long haul telecommunications due to their ability to transmit large quantities of data across great distances. As our...
Application Briefs: Photonics/Optics
A turbine manufacturer wanted to get more power out of hundreds of turbines that were originally built and installed in the 1950s. The basic idea was to use the original outer casing but upgrade...
Application Briefs: Photonics/Optics
Widely Tunable Mode-Hop-Free External-Cavity Quantum Cascade Laser
The external-cavity quantum cascade laser (EC-QCL) system is based on an optical configuration of the Littrow type. It is a room-temperature, continuous- wave, widely tunable, mode-hop-free, mid-infrared, EC-QCL spectroscopic source. It has a single-mode tuning range of 155 cm-1...
Application Briefs: Photonics/Optics
This design constitutes a self-resetting (gain quenching), room-temperature operational semiconductor single-photon-sensitive detector that is sensitive to...
Application Briefs: Photonics/Optics
A method of determining the refractive and absorptive properties of optically transparent materials involves a combination of theoretical and experimental analysis of electromagnetic...
Products: Photonics/Optics
The high-sensitivity IK-TF7 3CCD camera from Toshiba Imaging Systems (Irvine, CA) has been integrated into the new Micron III retinal imaging microscope, developed by Phoenix Research Labs...
Products: Photonics/Optics
LightTools® 7.0 illumination design and analysis software from Optical Research Associates (ORA®) (Pasadena, CA) supports Windows 7 and delivers expanded capabilities for both model construction and system...
Products: Photonics/Optics
Resolve Optics (Chesham, UK) has introduced rugged lenses designed to meet and exceed environmental tests such as Def Stan 00-35 which includes vibration, shock, and bump testing over a temperature range of -40 °C to 70 °C. Lens...
Products: Photonics/Optics
Titan Tool Supply (Buffalo, NY) has introduced the VJ7X1.5 articulating video boreoscope featuring onboard (standalone) image processing and battery-powered, portable operation. It has a high-resolution 2.4-inch...
Products: Photonics/Optics
Cal Sensors (Santa Rosa, CA) has launched a line of IDA (Integrated Detector Assembly) lead selenide and lead sulfide high-sensitivity infrared detectors with integrated electronics enclosed within a compact,...
Products: Photonics/Optics
The IM-6000 Series image dimension measurement system from Keyence Corp. (Woodcliff Lake, NJ) includes an Intelligent Pattern Analysis Search System (iPASS) that locates, identifies, and measures parts placed...
Products: Photonics/Optics
The id400 from id Quantique (Geneva, Switzerland) is a photon counting module optimized for 1064nm wavelength. It includes an In-GaAsP/InP avalanche photodiode optimised for Geiger mode and a fast...
Products: Photonics/Optics
VueMetrix (Martinsried, Germany) has introduced Vue-TEC-15 and Vue-TEC-24 temperature controllers that are microprocessor- controlled and feature advanced fault diagnostics, user-settable operational limits, and an...
Products: Photonics/Optics
Mouser Electronics (Mansfield, TX) now stocks OSRAM Opto Semiconductors’ OSLON SX LED series, mounted on an SMD ceramic LED package. The LEDs feature a 60° focused beam and are housed in a 3mm × 3mm package, with a life of...
Products: Photonics/Optics
The CS405 and CS445 series blue laser diodes from Laser Components (Hudson, NH) are available in 405nm and 445nm wavelengths. They feature a stable beam profile, low noise level, minimal current consumption, and long lifespan....
Products: Photonics/Optics
Cole-Parmer (Veronon Hills, IL) offers a digital microscope that plugs into the USB port of PCs and laptops to view images with 10× up to 500× magnification. It features a polarizer to reduce glare on reflective items...
Products: Photonics/Optics
Step-Down DC/DC Converter
Linear Technology (Milpitas, CA) has announced the LT3743, a synchronous step-down DC/DC converter designed to deliver constant current to drive high current LEDs. The device’s 5.5V to 36V input voltage range makes it suitable for applications including industrial, DLP projection, and architectural lighting. It provides...
Products: Photonics/Optics
Dover, A Danaher Motion Company (Salem, NH), has introduced the MMG Mini-Mag line of precision linear motor stages. Four models are available that deliver 25mm, 50mm, 100mm, and 150mm travel, respectively. They...
Products: Photonics/Optics
Lincoln Laser Company (Phoenix, AZ) has introduced the KW Series polygonal laser scanner for material processing applications. The scanner uses a solid copper polygonal mirror that rotates to allow the laser beam to...
Products: Photonics/Optics
Pangolin Laser Systems (Orlando, FL) has introduced the L44 Series LASORB™ to protect laser diodes, photodiodes, and LEDs from single, multiple, and repeated ESD events of either positive or negative polarity. It...
Products: Photonics/Optics
Henkel Corp. (Rocky Hill, CT) has introduced a six-page brochure of information about Loctite® adhesives and sealants for manufacturing photovoltaic and concentrating solar modules. The literature offers...
Articles: Electronics & Computers
The fundamental understanding of cerebral systems and associated diseases relies on the electrical recording of single neuron activity. This requires in vivo interfacing with neurons using...
Articles: Electronics & Computers
Computer-on-Module Express (COM Express) has become a widely accepted way to implement embedded computing solutions in a very compact form factor. The main principle of the COM Express standard is...
Articles: Electronics & Computers
Proper thermal design of any electronics-based system is key to its long-term reliability. NASA engineering expertise in this area is renowned. The International Space Station (ISS) operates...
Application Briefs: Electronics & Computers
With high-profile data breaches making headlines regularly, organizations are carefully evaluating their options for protecting mobile data. For years, software full disk encryption, (FDE), has...
Products: Electronics & Computers
National Instruments (Austin, TX) has introduced the NI cDAQ-9174 four-slot and cDAQ-9178 eight-slot NI CompactDAQ chassis, suitable for mixed-signal data acquisition systems. The 9174 offers a smaller footprint and can...
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