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21 January 1994 Application of fiber optic delay lines in spectral analysis of radio-frequency signals
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Proceedings Volume 2051, International Conference on Optical Information Processing; (1994) https://doi.org/10.1117/12.166035
Event: Optical Information Processing: International Conference, 1993, St. Petersburg, Russian Federation
Abstract
The problems of radio astronomy.radio intelligence,early radio-locating radiation detection.signal processing for satellite communication etc demand creation of devices with analysis band UD to some tens of gigahertz.In the caDacitv of one of suitable technoloay for aoplication of fiber-ootic is offered [1,2). The fiber-optic sDectrum analyser <FOSA) basis is the fiber-ootic structure CFOS),which is shown in fiaure 1.Comina sianals are introduced in the fiber-oDtic structure bv intensitv.oolarization or Dhase modulation of laser oDtic radiation.FOS ensures time delav and sianal combination bv means of fibers and connection elements between them. The Dhotodetector block Provides outout of sianals from analvser. In this wav freauencv filter or inout devices for soectrum analvsis are realized. The same FOS mav be used for Drocessina of manv sianals simultaneouslv with division bv liaht wave lenath ~. That is one of imoortant advantaae o~ this technoloav.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
E. I. Krupitsky, A. Block, Tatyana N. Sergeenko, and V. Yakovlev "Application of fiber optic delay lines in spectral analysis of radio-frequency signals", Proc. SPIE 2051, International Conference on Optical Information Processing, (21 January 1994); https://doi.org/10.1117/12.166035
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