Researching | High-performance multimode fiber specklegram sensing with a multi-layer convolutional neural network based on digital aperture filtering

Chinese Optics Letters, Volume. 23, Issue 5, 051201(2025)

High-performance multimode fiber specklegram sensing with a multi-layer convolutional neural network based on digital aperture filtering

Ya Wen1... Xing Zhao1,2,3, Zhixiang Jiang1, and Da Li1,23,* |Show fewer author(s)

Author Affiliations

¹Institute of Modern Optics, Eye Institute, Nankai University, Tianjin 300350, China

²Tianjin Key Laboratory of Micro-scale Optical Information Science and Technology, Tianjin 300350, China

³Prosper-Vision (Tianjin) Optoelectronics Technology Co., Tianjin 300192, China

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References(17)

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[2] Y. Pang, B. K. Chen, S. F. Yu et al. Enhanced laser speckle optical sensor for in situ strain sensing and structural health monitoring. Opt. Lett., 45, 2331(2020).

[3] V. Trivedi, S. Mahajan, M. Joglekar et al. Opto-mechanical magnetometer based on laser speckle correlation. Measurement, 189, 110490(2022).

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[6] K. Krupa, A. Tonello, B. M. Shalaby et al. Spatial beam self-cleaning in multimode fibres. Nat. Photonics, 11, 237(2017).

[7] A. Roy. Shannon entropy and degree of polarization of a speckle pattern. Opt. Lett., 46, 202(2021).

[8] F. Feng, W. Chen, D. Chen et al. In-situ ultrasensitive label-free DNA hybridization detection using optical fiber specklegram. Sens. Actuators B, 272, 160(2018).

[9] Y. Wen, X. Zhao, Z. Jiang et al. High performance few-mode fiber-based light field direction sensing system using deep convolutional neural network: fiber speckle demodulation network (FSDNET). Opt. Express, 32, 21629(2024).

[10] A. Theodosiou. Adaptive refractive index measurements via polymer optical fiber speckle pattern analysis. IEEE Sens. J., 24, 287(2024).

[11] G. Li, Y. Liu, Q. Qin et al. Fiber specklegram torsion sensor based on residual network. Opt. Fiber Technol., 80, 103446(2023).

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Ya Wen, Xing Zhao, Zhixiang Jiang, Da Li, "High-performance multimode fiber specklegram sensing with a multi-layer convolutional neural network based on digital aperture filtering," Chin. Opt. Lett. 23, 051201 (2025)

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Paper Information

Category: Instrumentation, Measurement, and Optical Sensing

Received: Oct. 20, 2024

Accepted: Dec. 10, 2024

Published Online: May. 14, 2025

The Author Email: Da Li (da.li@nankai.edu.cn)

DOI:10.3788/COL202523.051201

CSTR:32184.14.COL202523.051201

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology