Miniature Fabry-Perot interferometric sensor for temperature measurement based on photonic crystal fiber

Xing-hu FU; Hai-yang XIE; Feng WANG; Peng JIANG; FUGuang-wei; Wei-hong BI

doi:10.1007/s11801-015-5131-x

Journals >Optoelectronics Letters >Volume 11 >Issue 5 >Page 382 > Article

Optoelectronics Letters
Vol. 11, Issue 5, 382 (2015)

Miniature Fabry-Perot interferometric sensor for temperature measurement based on photonic crystal fiber

Xing-hu FU^1、2、*, Hai-yang XIE¹, Feng WANG^1、3, Peng JIANG^1、3, FUGuang-wei ^1、2, and Wei-hong BI^1、2

Author Affiliations

¹School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China

²The Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province, Qinhuangdao 066004, China

³College of Mechanical and Electrical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China

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DOI: 10.1007/s11801-015-5131-x Cite this Article

FU Xing-hu, XIE Hai-yang, WANG Feng, JIANG Peng, FUGuang-wei, BI Wei-hong. Miniature Fabry-Perot interferometric sensor for temperature measurement based on photonic crystal fiber[J]. Optoelectronics Letters, 2015, 11(5): 382 Copy Citation Text

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Abstract

A novel miniature Fabry-Perot interferometric (FPI) temperature sensor is proposed and demonstrated experimentally. The modal interferometer is fabricated by just splicing a section of photonic crystal fiber (PCF) with a single-mode fiber (SMF). The air holes of the PCF are fully collapsed by the discharge arc during the splicing procedure to enhance the reflection coefficient of the splicing point. The transmission spectra with different temperatures are measured, and the experimental results show that the linear response of 11.12 pm/°C in the range of 30–80 °C is obtained. This sensor has potential applications in temperature measurement field.

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