A novel forficiform device for both temperature-compensating package for fiber Bragg gratings and cryogenic fiber Bragg grating temperature sensors

Gang Yu; Dan Cao

doi:10.1117/12.573013

10 January 2005 A novel forficiform device for both temperature-compensating package for fiber Bragg gratings and cryogenic fiber Bragg grating temperature sensors

Gang Yu, Dan Cao

Author Affiliations +

Proceedings Volume 5623, Passive Components and Fiber-based Devices; (2005) https://doi.org/10.1117/12.573013
Event: Asia-Pacific Optical Communications, 2004, Beijing, China

Abstract

We present a novel forficiform device for both the temperature-compensating package for fiber Bragg gratings(FBGs) and cryogenic FBG temperature sensors. The wavelengths of the reflected light from 1550nm FBGs are measured in the temperature range from 77K to 353K .The temperature sensitivity of FBG sensors can be reduced by more than 10 times, reaching 0.001nm/K in the temperature range from 243K to 353K when the device is used in the temperature-compensating package for FBGs. If the device is used in sensing, the temperature sensitivity of 0.0448nm/K can be obtained at 100K, which is 1.15 times greater than that of a FBG fixed on Teflon substrate. Furthermore, when the FBG in the forficiform device is bonded on an aluminum substrate or a poly substrate, the temperature sensitivity can reach 0.12nm/ K at 100K.

Citation Download Citation

Gang Yu and Dan Cao "A novel forficiform device for both temperature-compensating package for fiber Bragg gratings and cryogenic fiber Bragg grating temperature sensors", Proc. SPIE 5623, Passive Components and Fiber-based Devices, (10 January 2005); https://doi.org/10.1117/12.573013

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