Quasi-distributed temperature sensing using series-integrated fiber Bragg gratings

Huajian Zhong; Xueya Liu; Cailing Fu; Yiping Wang

doi:10.1117/12.2624312

27 March 2022 Quasi-distributed temperature sensing using series-integrated fiber Bragg gratings

Huajian Zhong, Xueya Liu, Cailing Fu, Yiping Wang

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 1216955 (2022) https://doi.org/10.1117/12.2624312
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

A series-integrated fiber Bragg gratings (SI-FBGs) is inscribed in a standard single mode fiber (SMF) by use of the femtosecond laser point-by-point technology. In the SI-FBGs inscribing system, the grating pitch of each FBG and the distance between the two adjacent FBGs in the SI-FBGs can be flexibly controlled by adjusting the inscription parameters. Experimental results show that the SI-FBGs inscribed is employed to successfully measure the temperature distribution of the tube furnace with the spatial resolution of less than 1 mm. Such high-quality SI-FBGs has potential to be developed as various quasi-distributed sensors with high spatial resolution.

Citation Download Citation

Huajian Zhong, Xueya Liu, Cailing Fu, and Yiping Wang "Quasi-distributed temperature sensing using series-integrated fiber Bragg gratings", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 1216955 (27 March 2022); https://doi.org/10.1117/12.2624312

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