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Light Emitting Diodes
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DEFINITION: Also see laser diode. A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it. The light is not particularly bright, but in most LEDs it is monochromatic, occurring
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Plug & Play™ Gigabit Ethernet Media Conversion Module
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Media Conversion in Video Security and Surveillance Systems
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Fibers for Polarized Light
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PRODUCT OVERVIEW:SmartSpun™ is the only optical fiber on the market that does not accumulate linear birefringence and has no sensitivity to bending and twisting that usually limits the performance and practicality of conventional 'spun' low-birefringent fibers. Posted: 05 Jul 2004 | Published: 02 Jul 2004
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PRODUCT OVERVIEW:WinPT can track the thousands of dollars in printing costs from any Windows application such as WordPerfect, Microsoft Word and Excel. Posted: 22 Jan 2004 | Published: 01 Jan 2004
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LIGHT EMITTING DIODES DEFINITION (continued): … at a single wavelength. Theoutput from an LED can range from red (at a wavelength of approximately 700 nanometers) to blue-violet (about 400 nanometers). Some LEDs emit infrared ( IR) energy (830nanometers or longer); such a device is known as an infrared-emitting diode (IRED). An LED or IRED consists of two elements of processed material called P-typesemiconductors and N-type semiconductors. These two elements are placed …
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