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Laser Glass
SCHOTT North America (Arlington, VA) offers LG-910 eye-safe laser glass products for operation at 1.5 μm, including rods, slabs, and discs with high-laser-damage-threshold dielectric coatings. Applications include ranging and targeting on handheld, ground, fixed-wing, and rotary platforms. The glass is an erbium-ytterbium-chromium...
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Silicone Adhesive
NuSil Technology (Carpenteria, CA) has introduced SCV-2586 Ultra Low Outgassing™ silicone adhesive for applications requiring thermal stability and a broad operating temperature range in aerospace, aircraft, and electronics...
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Radionuclide Detection System
The ORTEC Products Group of AMETEK Advanced Measurement Technology (Oak Ridge, TN) has introduced the ORTEC Detective Mobile, a mobile radionuclide search system that incorporates high-purity germanium detectors...
Products
Surfacing Film
Park Electrochemical Corp. (Melville, NY) offers Aeroglide™ surfacing film for aircraft composite parts fabrication. The film is designed to improve the surface finish of aircraft composite parts, and reduce or eliminate secondary surface finishing operations prior to painting. The film is compatible with most epoxy prepregs, and...
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Disconnect Switch
The SureStart™ Low-Voltage Disconnect (LVD) Switch 48513 from Cole Hersee (South Boston, MA) electronically senses battery voltage and conserves starting power by disconnecting non-critical loads, prolonging battery life by...
Products
Backplane Connector
Tyco Electronics (Harrisburg, PA) offers the FORTIS ZD high-speed backplane connector for military and aerospace applications that require shock and vibration protection. The connector combines a high-speed contact leadframe...
Products
AC-to-DC Converter
C Systems (Setauket, NY) offers the BC-751, an 800W AC-to-DC converter with eight outputs to provide power for solid-state RF amplifiers in airborne Identification Friend or Foe (IFF) applications. The converter accepts a...
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Absorptive Polarizers
Moxtek (Orem, UT) offers absorptive wire-grid polarizers for the blue, green, and red channels. The polarizers are designed for narrow-band applications and where back reflection is a concern. They are designed to transmit the p-polarization and absorb the s-polarization of incident light, rather than reflecting the unwanted...
Products
Rugged Power Converter
Schaefer (Ashland, MA) offers a rugged power converter designed for subsea mineral exploration or other deep-sea application. The design features industrial-grade components and provides up to 110W of power with an...
Products
Toolholders
REGO-FIX® (Indianapolis, IN) has introduced Xtended Length (XL) toolholders for aerospace applications. The toolholders provide an extended reach up to 14" and are available in the ER and powRgrip® lines. The toolholder line...
Articles Energy
Alternative Energy and Propulsion Power for Today's U.S. Military
The U.S. military has the most sophisticated weapons systems in the world, but they are fueled and mechanically powered by old technologies. Given the mission of the U.S....
Tech Transfer Reports
Miniaturized Rad-Hard System Shrinks Propulsion Electronics
Developed by Space Micro (San Diego, CA), a new technology involves the miniaturization and radiation hardening of electronics through a novel means of stacking...
Tech Transfer Reports Materials
Polymer Coating Material Limits Computer Damage Caused by Vibrations
Cornerstone Research Group (Dayton, OH) has developed an organic, polymer-based material that can be directly applied to any circuit board — as well as other metal- and...
Tech Transfer Reports
Large-Area Hydride Vapor Phase Epitaxy of Gallium Nitride
The Missile Defense Agency (MDA) has awarded Kyma Technologies (Raliegh, NC) numerous Small Business Innovation Research (SBIR) contracts in the area of bulk growth of gallium nitride...
Briefs Physical Sciences
Through-the-Wall Small Weapon Detection Based on Polarimetric Radar Techniques
Detecting concealed small weapons carried by people has received significant interest from law enforcement agencies as well as the military, most frequently for...
Briefs Mechanical & Fluid Systems
Designing a Sensorless Torque Estimator for Direct Torque Control of an Induction Motor
Induction motors often are the preferred choice among industrial motors due to the modern power electronics that improve their speed control. Vitally...
Briefs Electronics & Computers
A Bistable Microelectronic Circuit for Sensing an Extremely Low Electric Field
Bistable systems are prevalently found in many sensor systems. It is well established that a well-designed coupling scheme, together with an appropriate choice of initial conditions, can induce oscillations (i.e. periodic switching between stable fixed points) in...
Briefs Physical Sciences
Fiber-Optic Seismic Sensor for Unattended Ground Sensing
Seismic military sensors are required to be robust, reliable, compact, and easy to install and operate to be effective in the battlefield environment. Three types of sensor technologies...
Briefs Electronics & Computers
Reflected Signal Analysis
Forensic characterization of a wireless device is useful in many applications. An example of this is in the testing of Federal Communications Commission (FCC) Part 15 devices that must adhere to strict guidelines with...
Briefs Photonics/Optics
Threshold Voltage Tuning of Metal-Gate MOSFETs Using an Excimer Laser
This work presents a localized method for tuning the threshold voltages (Vt) of multilayer metal-gate metal-oxide-semiconductor field-effect transistor (MOSFET) devices with a spatial area theoretically limited by the wavelength of the laser beam. This technique allows an...
Briefs Photonics/Optics
Development of GaN-Based Nanostructure Photon Emitters
Gallium nitride (GaN)-based wide bandgap semiconductors are very important material systems for fabrication of photon emitters in a wide range of wavelengths. In particular, the light emitters in ultraviolet (UV), blue, and green wavelengths have been developed and demonstrated in recent years....
Briefs Manufacturing & Prototyping
Solution Deposition Methods for Carbon Nanotube Field-Effect Transistors
Extensive research has been done on carbon nanotube field-effect transistors (CNTFETs), which may revolutionize electronics. Single-walled carbon nano-tubes (SWNTs) act as...
Briefs Manufacturing & Prototyping
Micro-Propulsion Devices Made of Low-Temperature Co-Fired Ceramics
In the satellite industry, the trend is towards decreasing the size of satellites and clustering of small satellites. Technological advancements in microelectronics have made it more economical to launch a cluster of satellites with a single vehicle rather than the traditional one...
Briefs Sensors/Data Acquisition
Analysis of Clustering Tools for Moving Target Indication
Current and future forces operating in urban environments need the capability to detect slow-moving personnel inside buildings. To accomplish this, a time-domain approach was developed that uses a low-frequency, ultra-wideband (UWB) radar with a transmit pulse capable of penetrating through...
Articles RF & Microwave Electronics
Choosing Your RF Design Environment Flow
You can’t build a house without blueprints. So why do so many RF design flows try to build a board without a schematic? Most often, this crude process comes about due to lack of availability of RF...
Articles RF & Microwave Electronics
Antenna Design Considerations
With the advent of prolific wireless communications applications, system designers are in a position to consider the placement and performance of an antenna system. The first step in establishing antenna...
Products RF & Microwave Electronics
Vehicle-Mounted Amplifier
AR Modular RF (Bothell, WA) has released the AR-75 75W auto-tuning, multi-band, vehicle-mounted tactical booster amplifier that enables troops to maintain constant communications in harsh environments. It boosts...
Products RF & Microwave Electronics
Power Amplifier Module
Mimix Broadband (Houston, TX) offers the XP1044-QL 3W power amplifier module housed in a 7 × 7 mm package. The linear 2-stage amplifier delivers 18.5 dB of gain and 34 dBm of power at 1 dB compression point. The input and output of the device are internally pre-matched. The device is designed for WiMAX applications between...
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