Abstract:
The temperature dependences of the transmission of light by bent multimode fiber waveguides were determined experimentally and analyzed. A study was made of the influence of the directionality of the radiation from a source exciting a waveguide, of the bending of a waveguide, and of the parameters of quartz-polymer and quartz-quartz fibers on the sensitivity of waveguides to temperature. The information on the sensitivity should be useful in the design of displacement and temperature sensors constructed from bent multimode waveguides.
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