High-precision measurement of the wavelength shift of in-fiber Bragg grating with strain gauge

Fang Xie; Shulian Zhang; Yan Li; Aihua Zhang; Sang Bae Lee

doi:10.1117/12.403889

10 October 2000 High-precision measurement of the wavelength shift of in-fiber Bragg grating with strain gauge

Fang Xie, Shulian Zhang, Yan Li, Aihua Zhang, Sang Bae Lee

Proceedings Volume 4222, Process Control and Inspection for Industry; (2000) https://doi.org/10.1117/12.403889
Event: Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, 2000, Beijing, China

Abstract

A new method is presented to interrogate the reflected wavelength shift of in-fiber Bragg grating used as sensors. The system can locate the center of the reflected wavelength of in-fiber Bragg grating with high precision and erase the influence of non- linearity and hysteresis of pzt from the measurement data effectively.

Citation Download Citation

Fang Xie, Shulian Zhang, Yan Li, Aihua Zhang, and Sang Bae Lee "High-precision measurement of the wavelength shift of in-fiber Bragg grating with strain gauge", Proc. SPIE 4222, Process Control and Inspection for Industry, (10 October 2000); https://doi.org/10.1117/12.403889

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