Fiber optic remote sensor based on laser powering and liquid-crystal-based optical modulator

被引：3

作者：

Tanaka, Y ^{[1
]}

Sugano, S ^{[1
]}

Nakagawa, M ^{[1
]}

Shioda, T ^{[1
]}

Kurokawa, T ^{[1
]}

Fukuoka, T ^{[1
]}

Ueta, K ^{[1
]}

机构：

[1] Tokyo Univ Agr & Technol, Grad Sch Engn, Koganei, Tokyo 1848588, Japan

来源：

17th International Conference on Optical Fibre Sensors, Pts 1 and 2 | 2005年 / 5855卷

关键词：

laser powering; liquid crystal optical modulator; optical fiber sensor; SYSTEMS;

D O I：

10.1117/12.623792

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

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.

引用

页码：992 / 995

页数：4