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Research on high-speed dynamic calibration technology of tunable laser
Author(s): Hong-guang Liang; Xue-feng Wang; Cai-jie Tang; Ming-chao Wang
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Paper Abstract

Fiber Bragg grating (FBG) sensing technique is used to measure physical parameters by monitoring wavelength-shift. The key to the high-speed demodulation of FBG sensor signal is how to extract the central wavelength of FBG reflection wave quickly. Compared with other methods, the demodulation technology based on tunable laser has the advantages of high-speed and accuracy. In this paper, in order to solve the problem of inaccuracy in high-speed scanning of tunable laser, a high-speed dynamic calibration scheme is designed. The simulation and experiment are carried out. The relationship between wavelength and control current is accurately obtained.

Paper Details

Date Published: 18 December 2019
PDF: 9 pages
Proc. SPIE 11340, AOPC 2019: Optical Fiber Sensors and Communication, 113400Y (18 December 2019); doi: 10.1117/12.2547425
Show Author Affiliations
Hong-guang Liang, Beijing Aerospace Control Device Institute (China)
Beijing Engineering Research Ctr. of Optical Fiber Sensing System (China)
Xue-feng Wang, Beijing Aerospace Control Device Institute (China)
Beijing Engineering Research Ctr. of Optical Fiber Sensing System (China)
Cai-jie Tang, Beijing Aerospace Control Device Institute (China)
Beijing Engineering Research Ctr. of Optical Fiber Sensing System (China)
Ming-chao Wang, Beijing Aerospace Control Device Institute (China)
Beijing Engineering Research Ctr. of Optical Fiber Sensing System (China)


Published in SPIE Proceedings Vol. 11340:
AOPC 2019: Optical Fiber Sensors and Communication
Jie Zhang; Songnian Fu; Jun Yang, Editor(s)

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