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optical amplifier |
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optical amplifierA device that boosts light signals in an optical fiber network. Unlike regenerators, which have to convert light to electricity in order to amplify it and then convert it back again to light, the optical amplifier amplifies the light signal itself. Developed in the late 1980s, the erbium-doped fiber amplifier (EDFA) was the first successful optical amplifier. See EDFA. optical amplifier [′äp·tə·kəl ′am·plə‚fī·ər] (engineering) An optoelectronic amplifier in which the electric input signal is converted to light, amplified as light, then converted back to an electric signal for the output. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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an optical fiber amplifier (OFA) or a regenerator (Regen). The transfer standard is an erbium-doped fiber amplifier that is coupled to a linear polarizer and a narrow-band optical filter centered in the 1550 nm wavelength range. Paper OMF2, "A High-Efficiency Ytterbium-Doped Fiber Amplifier Designed for Interplanetary Laser Communications") |
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