Demodulation of DBR Fiber Laser Sensors With Speckle Patterns

doi:10.1109/JSEN.2023.3317820

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	Demodulation of DBR Fiber Laser Sensors With Speckle Patterns
	Fang Zhao 1; Weihao Lin 1,2; Penglai Guo 3; Jie Hu 1; Shuaiqi Liu 1,2; Feihong Yu 1; Guomeng Zuo 1,4; Guoqing Wang 5; Huanhuan Liu 1; Jinna Chen 1; Yi Li 6; Perry Ping Shum 1,4; Liyang Shao 1,4
	2023-09-27
Source Publication	IEEE Sensors Journal
ISSN	1530-437X
Volume	23 Issue:21 Pages:26022-26030
Abstract	A multimode fiber (MMF) speckle pattern is proposed to demodulate a distributed Bragg reflector (DBR) fiber laser sensor. DBR light source emits a highly coherent laser, and the speckle pattern is caused by intermodal interference in the MMF. The speckle change induced by salinity and temperature is identified using the image correlation algorithm through the alteration of the speckle pattern. Zero mean normalized cross correlation (ZNCC) is used to process the speckle data, and the test range was extended by adjusting the reference speckle. In the temperature range of 25 °C-75 °C and 75 °C-100 °C, the speckle sensitivity is -0.0150/°C and -0.0148/°C, respectively. The salinity sensitivity is -0.0158/ ‰, compared with nearly no spectrum shift in the optical spectrum analyzer (OSA) under the same conditions. The proposed sensor can be applied in environmental monitoring and other fields.
Keyword	Fiber Specklegram Sensor (Fss) Laser Sensor Salinity Measurement Temperature Measurement
DOI	10.1109/JSEN.2023.3317820
URL	View the original
Indexed By	SCIE
Language	英語English
Publisher	Institute of Electrical and Electronics Engineers Inc.
Scopus ID	2-s2.0-85173396619
Fulltext Access	View Full-Text via DOI View Full-Text via Web of Science View Full-Text via Scopus
Citation statistics
Document Type	Journal article
Collection	Faculty of Science and Technology DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation	1.Southern University of Science and Technology, Department of Electronic and Electrical Engineering, Shenzhen, 518005, China 2.University of Macau, Faculty of Science and Technology, Department of Electrical and Computer Engineering, 999078, Macao 3.Macau University of Science and Technology, School of Computer Science and Engineering, 999078, Macao 4.Peng Cheng Laboratory, Shenzhen, 518005, China 5.Shenzhen Institute of Information Technology, School of Microelectronics, Shenzhen, 518172, China 6.China Jiliang University, College of Optical and Electronic Technology, Hangzhou, 310018, China
Recommended Citation GB/T 7714	Fang Zhao,Weihao Lin,Penglai Guo,et al. Demodulation of DBR Fiber Laser Sensors With Speckle Patterns[J]. IEEE Sensors Journal, 2023, 23(21), 26022-26030.
APA	Fang Zhao., Weihao Lin., Penglai Guo., Jie Hu., Shuaiqi Liu., Feihong Yu., Guomeng Zuo., Guoqing Wang., Huanhuan Liu., Jinna Chen., Yi Li., Perry Ping Shum., & Liyang Shao (2023). Demodulation of DBR Fiber Laser Sensors With Speckle Patterns. IEEE Sensors Journal, 23(21), 26022-26030.
MLA	Fang Zhao,et al."Demodulation of DBR Fiber Laser Sensors With Speckle Patterns".IEEE Sensors Journal 23.21(2023):26022-26030.

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