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Experimental demonstration of a sensing mechanism for optical-fiber intermodal interference sensors

✍ Scribed by Chen, Kuang-yi; Leung, Chung-yee; Chang, I-fan

Book ID
115417866
Publisher
Optical Society of America
Year
1990
Tongue
English
Weight
433 KB
Volume
15
Category
Article
ISSN
0146-9592

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We propose and demonstrate a new technique for intensity-based fiber temperature sensing based on long-period fiber grating pairs having different temperature coefficients and an absorptive core mode blocker placed between the two gratings. The constructed fiber sensor exhibits a bandpass filter res