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Title: Fiber tip Michelson interferometer for temperature sensing based on polymer-filled suspended core fiber
Authors: Wang, Shun
Yang, Yaowen
Niu, Panting
Wu, Shun
Liu, Shuhui
Jin, Rui-Bo
Lu, Peixiang
Hu, Xiongwei
Dai, Nengli
Keywords: Engineering::Civil engineering
Issue Date: 2021
Source: Wang, S., Yang, Y., Niu, P., Wu, S., Liu, S., Jin, R., Lu, P., Hu, X. & Dai, N. (2021). Fiber tip Michelson interferometer for temperature sensing based on polymer-filled suspended core fiber. Optics and Laser Technology, 141, 107147-.
Project: 1992200001
Journal: Optics and Laser Technology
Abstract: A low-cost fiber tip temperature sensor is proposed and experimentally demonstrated. It is based on the Michelson interferometer (MI) structure which is partially filled with polymer-UV glue in the suspended core fiber (SCF). Due to the greater thermal properties of UV glue compared with the silica optical fiber, the length of the inner cavity in the MI structure is susceptible to temperature modulation, resulting in the interference wavelength drift. Experimental results show that the sensor achieves a sensitivity of −164 pm/°C in the temperature range of 25–60 °C, and the sensor offers good wavelength and power stability at room temperature. In addition, the sensor has advantages such as robust, small size, and low cost, especially the reflective tip structure is more suitable for remote sensing in practical applications.
ISSN: 0030-3992
DOI: 10.1016/j.optlastec.2021.107147
Schools: School of Civil and Environmental Engineering 
Rights: © 2021 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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