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Lumen

  • Douglas Shaw

Denotes the photons perceptible by the human eye in one second.

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Lp/mm (Line Pairs per Millimeter)

  • Douglas Shaw

Units used to measure image intensifier resolution. Usually determined from a 1951 U.S. Air Force Resolving Power Test Target. The target is a series of different-sized patterns composed of three horizontal and three vertical lines. A user must be able…

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LED (Light-Emitting Diode)

  • Douglas Shaw

LED’s are electronic light sources based on the semiconductor diode. When the diode is forward biased, electrons recombine with holes, releasing energy in the form of light. This is called Electroluminescence. The color of the light is determined by the…

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ITAR (International Traffic in Arms Regulations)

  • Douglas Shaw

ITAR represents a set of US Government regulations that control the export of defense-related materials, articles, and services on the United States Munitions List. These regulations implement the provisions of the Arms Export Control Act, and are described in Title…

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