Si Jizong, Zhu Ren, Zhao Siwei, Xiao Renliang, Zhong Chaoyang, Hou Xia, Chen Weibiao. Fast Laser Wavelength Locking System Based on Piezoelectric Ceramics and Fiber Bragg Grating[J]. Chinese Journal of Lasers, 2020, 47(12): 1201002
- Chinese Journal of Lasers
- Vol. 47, Issue 12, 1201002 (2020)
Fig. 1. System scheme diagram
Fig. 2. Package structure of piezoelectric ceramics and fiber Bragg grating
Fig. 3. Center transmission wavelength of fiber Bragg grating varying with voltage applied to piezoelectric ceramics
Fig. 4. Laser stability test. (a) Wavelength stability; (b) frequency stability
Fig. 5. Output wavelength of DFB laser varying with operating current
Fig. 6. Test results of laser output wavelength feedback control without modulation
Fig. 7. Stability test of laser output under modulation of triangular wave with ±10 mV voltage, 300 s period, and 55° initial phase. (a) Modulated laser wavelength; (b) feedback control stability test
Fig. 8. Stability test of the laser output under a sine wave modulation of ±20 mV voltage, a period of 400 s, and an initial phase of 50°. (a) Modulated laser wavelength; (b) feedback control stability test
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