Researching | Experimental Research on Single Mode-Multimode-Single Mode Fiber Structure in Security System

Laser & Optoelectronics Progress, Volume. 55, Issue 6, 060603(2018)

Experimental Research on Single Mode-Multimode-Single Mode Fiber Structure in Security System

Citian You^{1,2、1; 2;}, Peichao Chen^{1,2、1; 2;}, and Panfeng Ding^{1、1; 2*; *;}

Author Affiliations

¹ College of Information Science and Engineering, Huaqiao University, Xiamen, Fujian 361021, China

² Fujian Key Laboratory of Optical Beam Transmission and Transformation, Xiamen, Fujian 361021, China

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Fig. 1. Schematic of the SMS optical fiber structure

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Fig. 2. Schematic diagram of the sensing system

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Fig. 3. System interference signal under external disturbance

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Fig. 4. Interference signal after wavelet transform

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Fig. 5. Interference signal after knocking fence

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Fig. 6. Interference signal after waggling fence

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Fig. 7. Interference signal after treading optical fiber

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Fig. 8. Interference signal after walking

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Citian You, Peichao Chen, Panfeng Ding. Experimental Research on Single Mode-Multimode-Single Mode Fiber Structure in Security System[J]. Laser & Optoelectronics Progress, 2018, 55(6): 060603

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Nov. 22, 2017

Accepted: --

Published Online: Sep. 11, 2018

The Author Email: Panfeng Ding (dingpanfeng@163.com)

DOI:10.3788/LOP55.060603

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology