Fiber Bragg Grating demodulation device capable of supressing fluctuations at variable ambient temperature and demodulation method thereof

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United States of America Patent

PATENT NO 11181400
APP PUB NO 20190178688A1
SERIAL NO

16324275

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Abstract

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The present invention discloses a Fiber Bragg Grating demodulation device with a suppressed fluctuation at a variable ambient temperature and a demodulation method. The device comprises a broadband light source (1), an optical attenuator (2), a tunable F-P filter (3), a first optical fiber isolator (41), an erbium-doped optical fiber amplifier (5), an optical fiber first-stage beam splitter (6), a first optical fiber second-stage beam splitter (71), optical fiber circulators (8), FBG sensor arrays (9), a first photoelectric detector array (161), an optical fiber gas cell (10), a second optical fiber second-stage beam splitter (72), an optical fiber F-P etalon (11), a notch filter (12), an optical fiber assisted interferometer (13), a data acquisition card (17) and a processor (18).

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Patent Owner(s)

Patent OwnerAddress
TIANJIN UNIVERSITYWEIJIN ROAD NANKAI DISTRICT TIANJIN 300072

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chu, Qiliang Tianjin, CN 1 0
Jiang, Junfeng Tianjin, CN 23 88
Liu, Kun Tianjin, CN 450 3287
Liu, Tiegen Tianjin, CN 13 57
Wang, Shuang Tianjin, CN 80 249
Xie, Renwei Tianjin, CN 1 0
Yan, Jinling Tianjin, CN 1 0
Zang, Chuanjun Tianjin, CN 1 0
Zhang, Xuezhi Tianjin, CN 18 82

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