Hao Zhan, Xin Zhang, Junqing Meng, Dawei Zhang, Chaoyang Zhong, Xia Hou, Weibiao Chen. Fiber Laser with Single Frequency, Narrow Line Width, Narrow Pulse Width, and High Repetition Frequency[J]. Chinese Journal of Lasers, 2023, 50(23): 2301010
- Chinese Journal of Lasers
- Vol. 50, Issue 23, 2301010 (2023)
Fig. 1. Structural diagram of fiber laser with single frequency, narrow line width, narrow pulse width, and high repetition frequency
Fig. 2. Spectrum of 62.6 mW continuous seed light
Fig. 3. Pulse waveform and spectrum after primary amplification. (a) Pulse spectrum; (b) pulse waveform
Fig. 4. Pulse waveform and spectrum after secondary amplification. (a) Pulse spectrum; (b) pulse waveform
Fig. 5. Pulse waveform and spectrum after tertiary amplification. (a) Pulse spectrum; (b) pulse waveform
Fig. 6. Pulse energy curves of PLMA-YDF-25/250 fiber and PCF under different pump currents
Fig. 7. Spectra under PLMA-YDF-25/250 fiber and PCF
Fig. 8. Laser spectrum when single pulse energy is 298 μJ
Fig. 9. Double frequency efficiency and energy of 532 nm laser versus fundamental frequency energy with output energy of green light shown in inset
Fig. 10. Beam quality of 532 nm laser with energy of 155.5 μJ
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