Jing Dong, Hantian Chen, Hailin Wang, Guangzhi Zhu, Aleksei Kozlov, Xiao Zhu. Theoretical and Experimental Research on 100 kHz Cavity-Dumped Thin-Disk Laser[J]. Acta Optica Sinica, 2022, 42(9): 0914002
- Acta Optica Sinica
- Vol. 42, Issue 9, 0914002 (2022)
Fig. 1. Spontaneous emission light model of thin disk
Fig. 2. Yb∶YAG energy level diagram and corresponding spectral lines
Fig. 3. Schematic of iterative solution of rate equation
Fig. 4. Theoretical calculation results. (a) Variation of population in upper energy level with time; (b) variation of number of photons with time; (c) output pulse waveform
Fig. 5. Experimental setup of cavity-dumped thin disk laser
Fig. 6. Output power characteristics for different pump powers and different gate time (numbers in figure are pump powers)
Fig. 7. Output waveforms under 253 W output power. (a) Single pulse waveform; (b) output pulse waveform of multiple cycles; (c) spectrum of output laser
Fig. 8. Period doubling output waveform under longer Pockels cell gate time
Fig. 9. Output pulse energy bifurcation diagrams when pump power is set to 521 W. (a) Theoretical simulation result; (b) experimental measurement result
Fig. 10. Multi-pulse trigger waveforms under different gate time when pump power is set to 521 W
Fig. 11. Measured beam quality
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Table 1. Parameters used in model calculation
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