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Conferences > ACP > 2009 > WL > WL93

Double-Sided Polishing Long Period Fiber Grating Sensors for Measuring Liquid Refractive Index

Chuen-Lin Tien, Tsai-Wei Lin, Hung-Yi Hsu, and Wen-Feng Liu

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Abstract

A new liquid refractive index sensor using double-sided polishing long-period fiber grating is presented. The influence of residual cladding thickness on the sensitivity of measuring liquid refractive index is investigated. Experimental results show that well-controlled polishing parameters can significantly increase the sensitivity. The sensitivity of −143.396 nm/RIU can be obtained.

© 2009 OSA, IEEE Photonics Society, SPIE, COS, CIC

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