Kai Xue, Xing Hu, Dejiang Cheng, Zhanda Zhu, Hong Lei, Yongling Hui, Qiang Li. Calculation and Experimental Verification of Large Core Size Yb∶YAG Crystalline Waveguide with Near-Diffraction-Limited Laser Output[J]. Acta Optica Sinica, 2020, 40(19): 1914002
- Acta Optica Sinica
- Vol. 40, Issue 19, 1914002 (2020)
Fig. 1. Cross-sectional diagram of rectangular waveguide
Fig. 2. Relative gain of each mode versus thickness of core layer when I=Isat
Fig. 3. Relative gain of each mode versus thickness of core layer when I=10Isat
Fig. 4. Relative gain versus thickness of core layer under different Δn
Fig. 5. Relative gain versus thickness of core layer under different wavelengths
Fig. 6. Structural diagram of crystal rectangular waveguide
Fig. 7. Photo of crystal waveguide and micrograph of core layer
Fig. 8. Experiment device of laser oscillator. (a) Schematic; (b) photo
Fig. 9. Output power versus absorbed pump power
Fig. 10. Beam quality of output beam
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