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Products: Photonics/Optics
The OVS5WBCR4 Series from OPTEK Technology (New York, NY) is a 0.5W surface mount white LED package with an ultra-low profile of 1.5 mm. This LED package has a 120° viewing angle and water clear lens. The typical luminous flux is...
Products: Photonics/Optics
The Keyence GV Series Digital CMOS Laser Sensor from Keyence (Woodcliff Lake, NJ) uses a DATUM Algorithm to stably detect targets. The GV is an optical triangulation sensor, and it excels in detecting shiny objects...
Products: Photonics/Optics
Labsphere’s (North Sutton, NH) Spectralon® Laser Pump Reflectors offer greater than 99 percent reflectance, beam stability, and uniformity. They have a high level of diffusion efficiency coupled with economical machined...
Products: Photonics/Optics
The Jade LR is a high-performance thermal camera from Cedip Infrared Systems (Croissy-Beaubourg, France). The camera provides long-range images from fixed position surveillance applications, including passive observation,...
Products: Photonics/Optics
Intevac, Inc. (Santa Clara, CA) announced the MicroVistaTM–NIR, a back-thinned CMOS camera optimized for near-infrared imaging with 100% fill factor and proprietary anti-reflection coatings. Applications for the MicroVistaTM-NIR...
Products: Photonics/Optics
Cicoil (Valencia, CA) has released water-repellent silicone cables that are impervious to immersion, high humidity, fungus, and damp operating environments. Also, extremely dry conditions, low humidity, or salt spray and...
Products: Photonics/Optics
Hamamatsu Corporation (Bridgewater, NJ) has introduced the C10054 series of compact Intensified CCD (ICCD) cameras for capturing still images or continuous video of high-speed or ultra-low-light phenomena. Key features...
Products: Photonics/Optics
The electron multiplication 12-bit CCD camera system from The Cooke Corporation (Romulus, MI) has a resolution of 1004 × 1002 pixels and is suitable for extreme low-light camera applications. The system features...
Products: Photonics/Optics
Two new Smart ForceTM LED driver boards from Endicott Research Group (Endicott, NY) provide wide range dimming, wide input voltage, and full brightness. The SFDL Series driver board provides high efficiency power with a...
Products: Photonics/Optics
Mouser Electronics, Inc. (Mansfield, TX) has expanded its C&D Technologies portfolio to include the DMS-30DR series daylight-readable digital panel meters. The DMS-30DR series of large, 0.56-inch high, super-bright red LEDs...
Products: Photonics/Optics
A new series of low-power, continuous-wave (CW) CO2 lasers from Coherent, Inc. (Santa Clara, CA) now offers high reliability operation for OEM applications. The new DIAMOND C Series consists of sealed lasers with output powers of 30,...
Briefs: Medical
Hand-Held Units for Short-Range Wireless Biotelemetry
Special-purpose hand-held radio- transceiver units have been proposed as means of short-range radio powering and interrogation of surgically implanted microelectromechanical sensors and actuators. These units are based partly on the same principles as those of the units described in “Printed...
Briefs: Medical
Telemetry systems of a type that have been proposed for the monitoring of physiological functions in humans would include the following subsystems:
Surgically implanted or...
Briefs: Electronics & Computers
A proposed wireless- communication and data-processing system would exploit recent advances in radio- frequency identification devices (RFIDs) and software to establish information lifelines between...
Briefs: Mechanical & Fluid Systems
A lightweight, low-power camera dart has been designed and tested for context imaging of sampling sites and ground surveys from an aerobot or an orbiting spacecraft in a microgravity environment. The...
Briefs: Electronics & Computers
Electrostatically actuated nano- electromechanical switches based on carbon nanotubes have been fabricated and tested in a continuing effort to develop high-speed switches for a variety...
Briefs: Electronics & Computers
A power converter now undergoing development is required to operate at a DC input potential ranging between 5.5 and 10 kV and a DC output potential of 400 V at a current up to 25 A. This...
Briefs: Electronics & Computers
The figure shows a prototype radial power-combining waveguide structure, capable of operation at frequencies from 31 to 36 GHz, that features an unusually large number (N = 24) of combining...
Briefs: Electronics & Computers
A submillimeter-wave monolithic integrated- circuit (S-MMIC) amplifier has been designed and fabricated using an indium phosphide (InP) 35-nm gate-length high electron mobility transistor (HEMT)...
Briefs: Electronics & Computers
All-solid-state electrochemical power cells have been fabricated and tested in a continuing effort to develop batteries for instruments for use in environments as hot as 500 °C. Batteries of this...
Briefs: Manufacturing & Prototyping
During the first decade of direct metal laser-sintering (DMLS), the metals employed were generally ones developed specifically for DMLS, rather than those used in traditional metalforming methods. But in...
Briefs: Manufacturing & Prototyping
A microfluidic system has been designed to survive spaceflight and to function autonomously on the Martian surface. It manipulates microscopic quantities of liquid water and...
Briefs: Manufacturing & Prototyping
Fabricating High-Resolution X-Ray Collimators
A process and method for fabricating multi-grid, high-resolution rotating modulation collimators for arcsecond and sub-arcsecond x-ray and gamma-ray imaging involves photochemical machining and precision stack lamination. The special fixturing and etching techniques that have been developed are used for...
Briefs: Mechanical & Fluid Systems
Lightweight, piezoelectrically actuated bending flight-control surfaces have shown promise as means of actively controlling airflows to improve the performances of transport airplanes. These...
Briefs: Mechanical & Fluid Systems
System Estimates Radius of Curvature of a Segmented Mirror
A system that estimates the global radius of curvature (GRoC) of a segmented telescope mirror has been developed for use as one of the subsystems of a larger system that exerts precise control over the displacements of the mirror segments. This GRoC-estimating system, when integrated into...
Briefs: Physical Sciences
A mercury-ion clock now at the breadboard stage of development (see figure) has a stability comparable to that of a hydrogen-maser clock: In tests, the clock exhibited an Allan deviation of between 2 ×...
Briefs: Materials
Composite truss structures are being developed that can be compacted for stowage and later deploy themselves to full size and shape. In the target applications, these "smart" structures...
Briefs: Materials
Workers at NASA Ames Research center are endeavoring to develop durable, oxidation- resistant, foam thermal protection systems (TPSs) that would be suitable for covering large exterior spacecraft...
Briefs: Physical Sciences
Lithium tetrakis(trifluoro- methanesulfonato) gallate [abbreviated “LiGa(OTf)4” (wherein “OTf” signifies trifluoro- methanesulfonate)] has been found to be promising as an electrolyte...
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