Measurement of deformation and frequency response characteristic of PZT tube in tunable fiber laser with short period based on coherent laser beam

Zhi Lai; Xiaodong Zeng; Zhaojin Fan; Zhichen Xu

doi:10.1117/12.2242567

27 September 2016 Measurement of deformation and frequency response characteristic of PZT tube in tunable fiber laser with short period based on coherent laser beam

Zhi Lai, Xiaodong Zeng, Zhaojin Fan, Zhichen Xu

Author Affiliations +

Proceedings Volume 9684, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment; 968428 (2016) https://doi.org/10.1117/12.2242567
Event: Eighth International Symposium on Advanced Optical Manufacturing and Testing Technology (AOMATT2016), 2016, Suzhou, China

Abstract

The parameters of light source in synthetic aperture ladar (SAL) is very important to both the design of system and the signal processing algorithm. As the light source in the SAL, the fiber laser use PZT (piezoelectric ceramics) tube stretching the fiber Bragg grating in order to tune the laser frequency. So it is necessary to obtain the deformation and frequency response of PZT tube driven by saw-tooth voltage of different periods. Accordingly, the homodyne detection is used to measure the girth variation of PZT tube. Meanwhile, the frequency response of PZT tube can be viewed with the homodyne signal. The results from measuring a PZT tube show that the method can work well.

Citation Download Citation

Zhi Lai, Xiaodong Zeng, Zhaojin Fan, and Zhichen Xu "Measurement of deformation and frequency response characteristic of PZT tube in tunable fiber laser with short period based on coherent laser beam", Proc. SPIE 9684, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test, Measurement Technology, and Equipment, 968428 (27 September 2016); https://doi.org/10.1117/12.2242567

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