Yu Wang, Menghua Jiang, Yongling Hui, Hong Lei, Qiang Li. Passively Q -Switched Nd∶YAG/Cr
4+∶YAG Microchip Laser with Low Time Jitter and High Repetition Rate
[J]. Acta Optica Sinica, 2018, 38(10): 1014004
- Acta Optica Sinica
- Vol. 38, Issue 10, 1014004 (2018)
Fig. 1. Schematic of LD end pumped and passively Q-switched Nd∶YAG/Cr4+∶YAG microchip laser
Fig. 2. Experimental device of LD end pumped and passively Q-switched Nd∶YAG/Cr4+∶YAG microchip laser
Fig. 3. Output pulse time jitter versus α
Fig. 4. Output pulse time jitters when repetition rate is 100 kHz but for different α. (a) α=0°; (b) α=45°
Fig. 5. Output pulse sequences when repetition rate is 100 kHz but for different α. (a) α=0°; (b) α=45°
Fig. 6. Single pulse waveform when repetition rate is 100 kHz but for different α. (a)α=0°; (b) α=45°
Fig. 7. Output beam quality and far-field beam spot shape of microchip laser
Fig. 8. Output laser extinction ratio versus α
Fig. 9. Structural diagram of three orientations of Cr4+ in Cr4+∶YAG crystal
Fig. 10. Absorption spectrum of Cr4+∶YAG crystal at room temperature
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