Researching | Self-Adaptive Laser Power Stabilization System Based on Fuzzy Control

Chinese Journal of Lasers, Volume. 48, Issue 1, 0101003(2021)

Self-Adaptive Laser Power Stabilization System Based on Fuzzy Control

Xinchuan Ouyang^1,2, Bowen Yang^1,2, Jinyin Wan¹, Ling Xiao¹, and Huadong Cheng^1,2、*

Author Affiliations

¹Key Laboratory of Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049,China

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Figures & Tables(8)

Fig. 1. Experimental setup for laser power stabilization

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Fig. 2. Flowchart of fuzzy PID algorithm

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Fig. 3. Membership degree function

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Fig. 4. Sketch of laser power stabilization circuit

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Fig. 5. Stabilization process of feedback loop

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Fig. 6. Power spectral density of relative intensity noise of laser outside the lock loop

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Fig. 7. Variation of laser power over three hours

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Table 1. Fuzzy rules of K_P, K_I, and K_D

Table 1. Fuzzy rules of K_P, K_I, and K_D

e(k)	de(k)/dt
e(k)	NB	NM	NS	ZO	PS	PM	PB
NB	PB/NB/PS	PB/NB/ZO	PM/NB/ZO	PM/NM/ZO	PS/NM/PS	PS/ZO/PB	ZO/ZO/PB
NM	PB/NB/NS	PB/NB/NS	PM/NM/NS	PM/NM/NS	PS/NS/ZO	ZO/ZO/NS	ZO/ZO/PM
NS	PM/NM/NB	PM/NM/NB	PM/NS/NM	PS/NS/NS	ZO/ZO/ZO	PS/PS/PS	NM/PS/PM
ZO	PM/NM/NB	PS/NS/NM	PS/NS/NM	ZO/ZO/NS	NS/PS/ZO	NM/PS/PS	NM/PM/PM
PS	PS/NS/NB	PS/NS/NM	ZO/ZO/NS	NS/PS/NS	NS/PS/ZO	NM/PM/PS	NM/PM/PS
PM	ZO/ZO/NM	ZO/ZO/NS	NS/PS/NS	NM/PM/NS	NM/PM/ZO	NM/PB/PS	NB/PB/PS
PB	ZO/ZO/PS	NS/ZO/ZO	NS/PS/ZO	NM/PM/ZO	NM/PB/ZO	NB/PB/PB	NM/PB/PB

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Xinchuan Ouyang, Bowen Yang, Jinyin Wan, Ling Xiao, Huadong Cheng. Self-Adaptive Laser Power Stabilization System Based on Fuzzy Control[J]. Chinese Journal of Lasers, 2021, 48(1): 0101003

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Paper Information

Category: laser devices and laser physics

Received: Jul. 28, 2020

Accepted: Sep. 4, 2020

Published Online: Jan. 13, 2021

The Author Email: Huadong Cheng (chenghd@siom.ac.cn)

DOI:10.3788/CJL202148.0101003

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology