Chinese Optics Letters, Volume. 18, Issue 6, 061402(2020)
21.2 kW, 1.94 times diffraction-limit quasi-continuous-wave laser based on a multi-stage, power-scalable and adaptive optics controlled Yb:YAG master-oscillator-power-amplifier system
Fig. 1. Configuration of the laser based on a MOPA system with an AO control part.
Fig. 3. (a) Output power and (b) beam quality of the laser without AO control.
Fig. 4. (a) Outside view and (b) actuator distributions of the DM.
Fig. 5. Wavefront correction results of Zernike mode aberrations. (a) 3rd before and (b) after correction. (c) 7th before and (d) after correction. (e) 11th before and (f) after correction.
Fig. 6. (a) PV and (b) RMS correction results of Zernike mode aberrations.
Fig. 7. Far-field spot distribution correction results of Zernike mode aberrations. (a) 3rd before and (b) after correction. (c) 7th before and (d) after correction. (e) 11th before and (f) after correction.
Fig. 9. (a) Output laser beam. Far-field spot distribution of output laser beam (b) without and (c) with AO correction.
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Lei Huang, Yamin Zheng, Yading Guo, Lin Zhang, Chuang Sun, Xiaojun Wang, "21.2 kW, 1.94 times diffraction-limit quasi-continuous-wave laser based on a multi-stage, power-scalable and adaptive optics controlled Yb:YAG master-oscillator-power-amplifier system," Chin. Opt. Lett. 18, 061402 (2020)
Category: Lasers and Laser Optics
Received: Feb. 10, 2020
Accepted: Mar. 6, 2020
Published Online: May. 14, 2020
The Author Email: Yading Guo (adenguo@gmail.com)