Jingling TANG, Yue QI, Zhenxu BAI, Yaoyao QI, Jie DING, Bingzheng YAN, Yulei WANG, Zhiwei LYU. Passively Q⁃switched sub⁃nanosecond laser based on YAG/Nd: YAG/Cr4+: YAG composite crystal[J]. Chinese Journal of Quantum Electronics, 2023, 40(4): 483
- Chinese Journal of Quantum Electronics
- Vol. 40, Issue 4, 483 (2023)
Fig. 1. (a)-(d) Schematic of laser crystal; (e)-(h) Pin=10.72 W, Schematic diagram of temperature distribution inside laser crystals; (i)-(l) Pin=10.72 W, Schematic diagram of thermal stress distribution of laser crystals
Fig. 2. (a) Experimental setup; (b) Physical diagram of composite crystal YAG/Nd: YAG/Cr4+: YAG
Fig. 3. (a) Average output power versus pump power; (b) Pulse duration versus pump power
Fig. 4. Schematic diagram of single pulse trace (10 ns/div)
Fig. 5. Repetition rate versus pump power
Fig. 6. Laser's beam distribution versus pump power (a) 3.8 W; (b) 10.72 W; (c) 13.5 W; (d) 14.8 W; (e)16.7 W; (f) 17.8 W
Fig. 7. Schematic diagram of beam quality factor
Fig. 8. End face diagram of composite crystal
Fig. 9. Laser's beam distribution versus focus position
Fig. 10. Laser's threshold versus focus position (insert: focus position along crystal axis)
| ||||||||||||||
Table 1. Laser crystal's length
| ||||||||||||||||||||||||||||||||||
Table 2. Simulation results of laser output characteristics corresponding to different composite crystals
| |||||||||||||||||||||||||||
Table 3. Comparison of simulation result of YAG/Nd: YAG/Cr4+: YAG passively Q⁃switched lasers and other research results
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20