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  • Optical and Thermal Testing of Nickel and Glass Lamphouse Module Reflectors
    The objective of this study was to eliminate speculation and assumption regarding reflector substrate optical and thermal performance by actually performing measurements and reporting the results of the measurements. Here, we report the optical and thermal measurement results of a single glass
  • How to Use Anritsu MT9083A OTDR (Optical Time Domain Reflector)
    ATEC's Don Spitler runs through a basic setup of the Anritsu OTDR (optical Time Domain Reflector), an instrument used for measuring characteristics of fiber optic cable. He demonstrates testing in single and multi-modes, and does a fault location test.
  • An Introduction to Optical Coatings
    Optical coatings are used to manipulate the reflectance and transmittance of an optical component. Typical coating examples include: Antireflection Coatings which reduce the amount of light reflected at a given wavelength or wavelength range; Narrow Band Filters which allow only a given window
  • Optical Feedback in Photodigm's Laser Diodes - Application Note
    External feedback effects to semiconductor lasers of all varieties has been well studied [1]-[3]. These feedback effects impact all semiconductor lasers equally from Fabry-Perot (FP) lasers to. distributed feedback (DFB) lasers to distributed Bragg reflector (DBR) lasers.
  • Secure optical communication system utilizing deformable MEMS mirrors
    Voice communication in free space was demonstrated at ranges larger than 200 meters. A new retro-reflector design, incorporating more modulated mirrors had been constructed. This configuration was built and tested. Its performance and advantages as compared to the single mirror retro-reflector
  • Small motors position big glass
    Optical assemblies are precisely positioned using a miniature dc motor, encoder, and a low-backlash planetary gearhead. The most powerful stand-alone telescope in the world goes into operation this year on Mt. Graham near Safford, Ariz. Astronomers are particularly interested in setting
  • GE brings more good resins to life
    In addition to new Lexan resins, GE's also developed new high-performance polymers and engineered styrenic resins that target automotive, consumer electronics, business machines, and sports and leisure gear. Optical clarity, durability, and impact resistance make Lexan polycarbonate a popular
  • Sensing Color with the TAOS TCS230
    The TAOS TCS230 is a small, highly integrated color sensing device packaged in a clear plastic 8-pin SOIC. It reports, as analog frequency, the amount of shortwave (blue), mediumwave (green), longwave (red), and wideband (white) optical power incident onto the device. It can be used in a variety

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