Xing Hu, Dejiang Cheng, Sibo Wang, Menghua Jiang, Yongling Hui, Hong Lei, Qiang Li. Single-Frequency Nd∶YVO4 Laser Based on Reflective Bragg Grating Combined with Fabry-Perot Etalon[J]. Acta Optica Sinica, 2019, 39(5): 0514002
- Acta Optica Sinica
- Vol. 39, Issue 5, 0514002 (2019)
Fig. 1. Schematic of experimental setup of active Q-switching based on RBG combined with etalon
Fig. 2. Spectral profile of normalized transmittance of RBG
Fig. 3. Multi-beam interference patterns of free-running laser output using planar mirror and RBG. (a) Multiple longitudinal modes; (b) two longitudinal modes; (c) three longitudinal modes
Fig. 4. Spectrogram when central wavelength of etalon matched with that of RBG
Fig. 5. Multi-beam interference patterns of laser output using RBG and etalon. (a) Continuous-wave single-frequency output; (b) Q-switched single-frequency output
Fig. 6. Output power versus absorbed pump power
Fig. 7. Measurement of Q-switched pulse duration
Fig. 8. Simulation of longitudinal mode selection using RBG and etalon.(a)Transmission rate versus angle for etalon at 1063.9 nm; (b) transmission versus wavelength for etalon combined with RBG; (c) transmission for etalon combined with RBG and adjacent laser modes
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