Deep learning assisted real-time and portable refractometer using a <inline-formula><math display="inline" id="m1" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mrow><mi>π</mi></mrow></math></inline-formula>-phase-shifted tilted fiber Bragg grating sensor

Ziqi Liu; Chang Liu; Tuan Guo; Zhaohui Li; Zhengyong Liu

doi:10.1364/PRJ.561101

Photonics Research, Volume. 13, Issue 8, 2202(2025)

Deep learning assisted real-time and portable refractometer using a $π$ -phase-shifted tilted fiber Bragg grating sensor

Ziqi Liu¹, Chang Liu¹, Tuan Guo^2,3, Zhaohui Li^1,3, and Zhengyong Liu^1,3、*

Author Affiliations

¹School of Electronics and Information Technology, Guangdong Provincial Key Laboratory of Optoelectronic Information Processing Chips and Systems, Sun Yat-sen University, Guangzhou 510006, China

²Guangdong Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou 511443, China

³Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China

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Supplementary Materials

Visualization 1 | Experimental demonstration of prototype of offline miniaturized real-time demodulation system based on D-CNN network

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Ziqi Liu, Chang Liu, Tuan Guo, Zhaohui Li, Zhengyong Liu, "Deep learning assisted real-time and portable refractometer using a $π$ -phase-shifted tilted fiber Bragg grating sensor," Photonics Res. 13, 2202 (2025)

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Paper Information

Category: Optical Devices

Received: Mar. 4, 2025

Accepted: May. 9, 2025

Published Online: Jul. 25, 2025

The Author Email: Zhengyong Liu (liuzhengy@mail.sysu.edu.cn)

DOI:10.1364/PRJ.561101

CSTR:32188.14.PRJ.561101

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology