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SWIR Camera

The XEVA-2.35-320 TE4 from Xenics (Leuven, Belgium), a thermoelectrically cooled infrared camera features T2SL infrared detection technology and delivers superb performance in the 1.0 to 2.35 μm wavelength region for hyperspectral imaging or laser beam analysis. The new XEVA-2.35- 320 TE4 digital camera delivers 14-bit images at high frame rates of 100 Hz, 350 Hz or higher in windowing mode. It consists of a 320 × 256 T2SL detector array with pixel pitch of 30 μm at a pixel operability ratio of > 99%. The detector head is cooled with a four-stage thermoelectrical cooling element, operating down to 220K, and is integrated into one single compact housing with all control and communication electronics. For Free Info Visit http://info.hotims.com/55591-211

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Laser Diode

The GPL 105 series laser diode module system from BEA Lasers’ (Elk Grove Village, IL) includes a 3/8” NPT-threaded housing with mounting hardware and a plug-in USB-type power supply. Cable connector length is 36” and available patterns are red dot or line with a nominal focal length of 17”.

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Scan System

SCANLAB AG (Puchheim, Germany) has introduced a new high-end scan system, called excelliSCAN, that utilizes galvo scanners with ultra-precise digital angle sensors and a completely new SCANahead servo control to enable dynamic laser processing unencumbered by the existing limitations of conventional servos with tracking error. excelliSCAN’s new mechanical design provides enhanced stability, more compactness and optimal heat removal under dynamic load.

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Two-Axis Gear-Drive Gimbal

AMG-GR gear-driven motorized gimbals from Aerotech (Pittsburgh, PA) provide economical, high-accuracy elevation- over-azimuth positioning. The AMG-GR standard circular cells range from 100 mm to 300 mm in diameter. Cell mounting options include a centered (balanced) cell or a front-surface reflection option where the front of the optic is located on the axes of rotation. Special configurations can accommodate non-circular optics, cameras, sensors, and round optics larger than 300 mm in diameter. The modular design permits each gimbal mirror cell to be easily modified or replaced with different shaped cells to accommodate sensors or other asymmetrically-shaped payloads.

Posted in: Products, Products, Photonics

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Product of the Month: July 2015

ZF Electronics Corp., Pleasant Prairie, WI, announced CHERRY energy-harvesting products that include an energy harvesting generator, as well as a snap-action micro-switch and rocker switch. The energy-harvesting generator is able to generate its own power, store the power in a chip, and transmit a signal via RF technology without the use of wires or batteries. The generator can be housed in a standard CHERRY switch product or a custom assembly. The AFIS wireless snap switch and momentary rocker switch provide data transfer via RF technology, eliminating the need for complex wire assemblies, and enabling use in inaccessible locations. The required energy is generated by mechanical actuation of the switch, eliminating the need for batteries. Flexible pairing allows operation of several switches with one receiver and vice-versa, and the switch “Unique ID” provides clear identification while operating several switches at once. For Free Info Visit http://info.hotims.com/55591-120

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All-Organic Electroactive Device Fabricated with Single- Wall Carbon Nanotube Film Electrode

These devices have applications as electromechanical sensors, sonar, medical and optical devices, artificial muscles, and noise control. Langley Research Center, Hampton, Virginia A novel, all-organic electroactive device system has been fabricated with a single-wall carbon nanotube (SWCNT) film used as an alternative electrode. This system was fabricated with LaRC-Electro Active Polymer (LaRC-EAP) active layer and the SWCNT films by pressing at 600, 3,000, and 6,000 psi (≈4.1, 20.7, and 41.4 MPa, respectively). Silicone elastomer plates (3-mm thick) were used on the press plate surfaces for better contact adhesion between the SWCNT film and the actuating layer. This polymeric electroactive device layered with the SWCNT-FE (SWCNT-Film Electrode) can serve as an actuator. The density (or modulus) of the SWCNT-FE can be controlled by adjusting the fabrication pressure. It is anticipated that less dense SWCNT-FE can provide less constrain displacement of the polymeric actuating layer by matching the modulus.

Posted in: Briefs, TSP

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Purifying Hydrogen for a Life Support Process

An advanced hydrogen purification technology is proposed to purify hydrogen of acetylene, carbon monoxide, and other gases to enable utilization of the hydrogen for oxygen recovery. Marshall Space Flight Center, Alabama NASA’s endeavor to further enable long-duration manned space exploration requires further closure of the oxygen loop of the life support system that is currently realized aboard the International Space Station. Currently, oxygen is recovered from crew-generated carbon dioxide via the use of a Sabatier carbon dioxide reduction system coupled with water electrolysis. Water is electrolyzed to form oxygen for crew consumption, as well as hydrogen. The hydrogen is reacted with carbon dioxide, forming water and waste methane gas. Since hydrogen is lost from the desired closed-loop system in the form of methane, there is insufficient hydrogen available to fully react all of the carbon dioxide, resulting in a net loss of oxygen from the loop. In order to further close the oxygen loop, NASA has been developing an advanced plasma pyrolysis technology that further reduces the waste methane to higher hydrocarbons in order to better utilize the hydrogen for oxygen recovery.

Posted in: Briefs

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