• Chinese Optics Letters
  • Vol. 18, Issue 6, 061402 (2020)
Lei Huang1, Yamin Zheng1, Yading Guo2、*, Lin Zhang2, Chuang Sun1, and Xiaojun Wang2
Author Affiliations
  • 1Center for Photonics and Electronics, Department of Precision Instrument, Tsinghua University, Beijing 100084, China
  • 2Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
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    DOI: 10.3788/COL202018.061402 Cite this Article Set citation alerts
    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[J]. Chinese Optics Letters, 2020, 18(6): 061402 Copy Citation Text show less
    Configuration of the laser based on a MOPA system with an AO control part.
    Fig. 1. Configuration of the laser based on a MOPA system with an AO control part.
    Outside view of an amplification component.
    Fig. 2. Outside view of an amplification component.
    (a) Output power and (b) beam quality of the laser without AO control.
    Fig. 3. (a) Output power and (b) beam quality of the laser without AO control.
    (a) Outside view and (b) actuator distributions of the DM.
    Fig. 4. (a) Outside view and (b) actuator distributions of the DM.
    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. 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.
    (a) PV and (b) RMS correction results of Zernike mode aberrations.
    Fig. 6. (a) PV and (b) RMS correction results of Zernike mode aberrations.
    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. 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.
    HBQ correction results of Zernike mode aberrations.
    Fig. 8. HBQ correction results of Zernike mode aberrations.
    (a) Output laser beam. Far-field spot distribution of output laser beam (b) without and (c) with AO correction.
    Fig. 9. (a) Output laser beam. Far-field spot distribution of output laser beam (b) without and (c) with AO correction.
    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[J]. Chinese Optics Letters, 2020, 18(6): 061402
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