Abstract
We propose and demonstrate experimentally a multiple fiber Bragg grating sensor system that uses a LED as a light source and adapts the code-division multiple access method to separate individual sensor signals. We measured static and dynamic strains and cross-talk levels among sensor signals. With our proposed scheme, a low-cost sensor system can be designed with a fast response speed. Cross-talk levels between sensor signals are found to be below the -30-dB level.
© 2002 Optical Society of America
Full Article | PDF ArticleMore Like This
Yan-Ju Chiang, Likarn Wang, Horng-Shyang Chen, Chih-Chung Yang, and Wen-Fung Liu
Appl. Opt. 41(9) 1661-1667 (2002)
Kuo-Chih Chuang and Chien-Ching Ma
Appl. Opt. 47(20) 3561-3567 (2008)
In C. Song, Sun K. Lee, Sung H. Jeong, and Byeong H. Lee
Appl. Opt. 43(6) 1337-1341 (2004)