Stories
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Briefs: Photonics/Optics
Using Quasiparticle Poisoning To Detect Photons
According to a proposal, a phenomenon associated with excitation of quasi- particles in certain superconducting quantum devices would be exploited as a means of detecting photons with exquisite sensitivity. The phenomenon could also be exploited to perform medium-resolution spectroscopy. The proposal...
Briefs: Photonics/Optics
Wavelength-Agile External-Cavity Diode Laser for DWDM
A prototype external-cavity diode laser (ECDL) has been developed for communication systems utilizing dense wavelength-division multiplexing (DWDM). This ECDL is an updated version of the ECDL reported in “Wavelength-Agile External-Cavity Diode Laser” (LEW-17090), NASA Tech Briefs, Vol. 25,...
Briefs: Photonics/Optics
A proposed joint-transform optical correlator (JTOC) would be capable of operating as a real-time pattern-recognition processor. The key correlation-filter reading/writing medium of...
Briefs: Photonics/Optics
Headwall Photonics, Fitchburg, Massachusetts
Raman spectroscopy has risen to the top of a short list of technologies for identifying substances with high specificity....
Products: Photonics/Optics
PerkinElmer Elcos GmbH (Pfaffenhofen, Germany) offers the ACULED (All Color Ultrabright Light Emitting Diode) multiuse, multicolor LED platform for a variety of specialty lighting applications. The...
Briefs: Manufacturing & Prototyping
Two simple, effective techniques for attaching thermocouples to metal substrates have been devised for high- temperature applications in which attachment by such conventional means as welding,...
Products: Photonics/Optics
Designed as a miniaturized surface-mount device for infrared detection in sensing applications, OPTEK Technology (Carrollton, TX) has developed a series of NPN silicon phototransistors in 1206 chip packages. The devices...
Products: Photonics/Optics
Mikron Infrared’s (Oakland, NJ) M7500 infrared camera is configurable for midwave or longwave infrared (MWIR/LWIR) imaging as well as four different temperature bands, without requiring cryogenic cooling. The M7500 can image...
Briefs: Manufacturing & Prototyping
Heat Treatment of Friction-Stir-Welded 7050 Aluminum Plates
A method of heat treatment has been developed to reverse some of the deleterious effects of friction stir welding of plates of aluminum alloy 7050. This alloy is considered unweldable by arc and high-energy-density beam fusion welding processes. The alloy can be friction stir welded, but...
Products: Photonics/Optics
The Diamonex Products Division of Morgan Advanced Ceramics (Stourport, Worcestershire, UK) has developed several coated glasses that resist scratching and digs for barcode scanning systems. Diamonex’s line of superhard...
Products: Photonics/Optics
Fiber Laser Design Software
Application Designer v3.0 from Liekki (Lohja, Finland) is a simulation and design software environment for fiber lasers and amplifiers with new transient analysis capability. The software provides the ability to simulate the dynamic regime and transients of active components and new components such as time-dependent...
Products: Photonics/Optics
Leica Geosystems (Unterentfelden, Switzerland) has released several laser trackers, ranging from portable units to large-scale units designed for the automotive and aerospace industries. The LT640 Leica Laser Tracker is optimized...
Products: Photonics/Optics
Pinpoint Laser Systems (Newburyport, MA) has developed the PLS-SAK003 spindle alignment kit for use in factories and machine shops. The laser is designed to check for parallelism, concentricity, and wear on spindles,...
Products: Photonics/Optics
Mini Photon Counter
SensL (Blackrock, Ireland) has developed the PCDMini, a miniature photon counting system for applications in biosciences, astronomy, and remote sensing. The PCDMini is a printed circuit board with hermetically sealed detector. The basic unit features quenching architecture and is available with a number of optional snap-on...
Briefs: Electronics & Computers
A recently conceived technique for determining the relative permittivity of a material sample at a given frequency is more nearly direct than are prior techniques that involve measurement of...
Briefs: Manufacturing & Prototyping
Arrays of nanowires having controlled dimensions can now be fabricated on substrates, optionally as integral parts of multilayer structures, by means of a cost-effective, high-yield process...
Articles: Software
Developing software for small-scale embedded applications is different from developing large-scale software applications. Large-scale applications use commercially available ‘one...
Articles: Electronics & Computers
While often associated with home automation, the new ZigBee wireless data standard is making fast inroads into industrial, military, and aerospace applications. By supplying...
Products: Electronics & Computers
Micronor Inc.’s (Newbury Park, CA) MR267 Current Loop Controller (CLC) option remotely controls a motorized potentiometer and/or rotary cam switch via current, voltage input,...
Products: Electronics & Computers
Macraigor Systems LLC (Brookline, MA) has added JTAG debug and Flash memory programming support for several Freescale PowerPC and MIPS processor support, in addition to existing ARM...
Products: Electronics & Computers
ACCES I/O Products (San Diego, CA) offers the Model USB-IIRO-16, featuring 16 Form C (SPDT) electromechanical relays and 16 optically isolated digital inputs. The board is...
Products: Electronics & Computers
Crystek Corporation’s (Fort Myers, FL) CPLL66 family is the company’s first foray into the PLL/Synthesizer market. Designed for digital radio equipment, fixed wireless access, satellite communications systems,...
Briefs: Semiconductors & ICs
Figure 1 shows a single-stage monolithic microwave integrated circuit (MMIC) power amplifier in which the gain element is a double-heterojunction bipolar transistor (DHBT) connected in common-base...
Briefs: Medical
Studying Functions of All Yeast Genes Simultaneously
A method of studying the functions of all the genes of a given species of micro-organism simultaneously has been developed in experiments on Saccharomyces cerevisiae (commonly known as baker’s or brewer’s yeast). It is already known that many yeast genes perform functions similar to those of...
Briefs: Electronics & Computers
One of the US Air Force's goals is to reduce the time needed to strike time-sensitive targets, thus minimizing the adversary's perceived mobility advantage and leaving concealment as that enemy's primary defensive...
Briefs: Medical
Microfluidic devices for monitoring biomolecular interactions have been invented. These devices are basically highly miniaturized liquid-chromatography columns. They are intended to be...
Briefs: Electronics & Computers
AFRL's Radiation and Scattering Compact Antenna Laboratory (RASCAL) enables researchers to develop and evaluate advanced aperture technologies that support electronic warfare, radar, communication, and navigation— technologies...
Briefs: Medical
Neuro-Prosthetic Implants With Adjustable Electrode Arrays
Brushlike arrays of electrodes packaged with application-specific integrated circuits (ASICs) are undergoing development for use as electronic implants — especially as neuro-prosthetic devices that might be implanted in brains to detect weak electrical signals generated by neurons. These...
Briefs: Information Technology
When weaponeering a target, military planners pinpoint a detonation location that will result in the desired damage to the entire target, or even a particular area within the target. The...
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Ask the Expert
Dan Sanchez on How to Improve Extruded Components
Improving extruded components requires careful attention to a number of factors, including dimensional tolerance, material selection, and processing. Trelleborg’s Dan Sanchez provides detailed insights into each of these considerations to help you advance your device innovations while reducing costs and speeding time to market.
Webcasts
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How Wearables Are Enhancing Smart Drug Delivery
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Developing Sustainable Drug-Delivery Devices
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Smarter Pathways for Precision Drug Delivery in Cancer Care
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Inside Story
Inside Story: Trends in Packaging and Sterilization
Eurofins Medical Device Testing (MDT) provides a full scope of testing services. In this interview, Eurofins’ experts, Sunny Modi, PhD, Director of Package Testing; and Elizabeth Sydnor, Director of Microbiology; answer common questions on medical device packaging and sterilization.