Fiber optic remote sensor based on laser powering and liquid-crystal-based optical modulator
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説明
This paper demonstrates a novel fiber optic remote sensing system based on laser powering and a liquid-crystal optical modulator that transforms electrical signal of sensors into optical with low power consumption. A basic experiment for confirming the principle was conducted using a standard communication-grade semiconductor laser with the output of less than 20 mW both for laser powering and for sensor signal transmission. The sensor signal was transferred through 5-km-long optical fiber and detected with On/Off ratio of more than 15 dB.
収録刊行物
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- SPIE Proceedings
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SPIE Proceedings 5855 992-, 2005-05-23
SPIE
