簡易形光ファイバリンクの試作

概要

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Most marketed optical fiber links are composed of a modulized optical source and optical detector in order to improve the total efficiency of the link. But, if we should have broken down these modules, we can not easily get them because of thier high price and some other causes. Then we attempt to compose a simplified optical fiber link using marketed discrete parts, e. g., ligh emitting diode and photo diode, which we can easily get at a low price. These discrete parts are set up in a input and output reseptackle of the optical fiber cable, respectively. By means of large diameter and large numerical aperture (NA) of the used optical fiber, we can make an optical fiber link which shows comparatively good characteristics. The optical fiber link made on an experimental basis requires the average least optical power for random signal of -40.9dBm at 1Mb/s bit-rate for 10^<-9> error-rate. This result is not behind the reported best data by about 4dB.
山梨大学の論文