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Adaptive Fiber-Ring Lasers Based on Isopropanol Filled Microfiber Coupler for High-Sensitivity Temperature Sensing
Lin, Weihao1,2,3; Hu, Jie2; Zhao, Fang2; Sun, Siming2; Liu, Yuhui2; Liu, Shuaiqi1,2,3; Yu, Feihong2; Mak, Peng Un3; Pun, Sio Hang1; Shum, Perry Ping2; Vai, Mang I.1,3; Shao, Liyang2,4
2022-10-01
Source PublicationMicromachines
ISSN2072-666X
Volume13Issue:10
Abstract

We demonstrated a new method for temperature measurement inside a fiber ring laser (FRL) cavity. Different from traditional FRL temperature sensing system which need additional filter working as a sensor, a micro-fiber coupler (MFC) was designed as a beam splitter, filter, and temperature sensor. In addition, isopropanol, a liquid with very high photothermal coefficient, is selectively filled in the MFC in order to improve the sensitivity of the system on temperature. In the dynamic range of 20–40 °C, we obtained a good temperature sensitivity of −1.29 nm/°C, with linear fitting up to 0.998. Benefiting from the advantages of laser sensing, the acquired laser has a 3 – dB bandwidth of less than 0.2 nm and a signal-to-noise ratio (SNR) of up to 40 dB. The proposed sensor has a low cost and high sensitivity, which is expected to be used in biomedical health detection, real-time monitoring of ocean temperature, and other application scenarios.

KeywordFiber Ring Laser Micro-fiber Coupler Temperature Measurement
DOI10.3390/mi13101697
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Instruments & Instrumentation ; Physics
WOS SubjectChemistry, Analytical ; Nanoscience & Nanotechnology ; Instruments & Instrumentation ; Physics, Applied
WOS IDWOS:000872832600001
Scopus ID2-s2.0-85140887201
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
INSTITUTE OF MICROELECTRONICS
Affiliation1.State Key Laboratory of Analog and Mixed-Signal VLSI, University of Macau, 999078, Macao
2.Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
3.Department of Electrical and Computer Engineering, University of Macau, 999078, Macao
4.Peng Cheng Laboratory, Shenzhen, 518005, China
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Lin, Weihao,Hu, Jie,Zhao, Fang,et al. Adaptive Fiber-Ring Lasers Based on Isopropanol Filled Microfiber Coupler for High-Sensitivity Temperature Sensing[J]. Micromachines,2022,13(10).
APA Lin, Weihao,Hu, Jie,Zhao, Fang,Sun, Siming,Liu, Yuhui,Liu, Shuaiqi,Yu, Feihong,Mak, Peng Un,Pun, Sio Hang,Shum, Perry Ping,Vai, Mang I.,&Shao, Liyang.(2022).Adaptive Fiber-Ring Lasers Based on Isopropanol Filled Microfiber Coupler for High-Sensitivity Temperature Sensing.Micromachines,13(10).
MLA Lin, Weihao,et al."Adaptive Fiber-Ring Lasers Based on Isopropanol Filled Microfiber Coupler for High-Sensitivity Temperature Sensing".Micromachines 13.10(2022).
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