Wang Juntao, Tong Lixin, Xu Liu, Wu Zhenhai, Li Mi, Chen Xiaoming, Chen Yuejian, Wang Dan, Zhou Tangjian, Hu Hao, Gao Qingsong. 5 kW End-Pumped Nd∶YAG Slab Lasers and Beam Quality Improvement[J]. Chinese Journal of Lasers, 2018, 45(1): 101003
- Chinese Journal of Lasers
- Vol. 45, Issue 1, 101003 (2018)
Fig. 1. Schematic of zigzag light path in slab
Fig. 2. Schematic of amplifier gain unit
Fig. 3. Theoretical result of small signal gain coefficient distribution
Fig. 4. Power distribution of different positions within two slabs for "series and then 2-pass". (a) Slab 1; (b) slab 2
Fig. 5. Power distribution of different positions within two slabs for "2-pass and then series". (a) Slab 1; (b) slab 2
Fig. 6. Opticalpath schematic of laser system
Fig. 7. (a) Fluorescence distribution of slab light cross section; (b) transmission wavefront
Fig. 8. Output power as a function of pump power
Fig. 9. (a) Wavefront at output power 5.4 kW; (b) far field spot at output power 5.4 kW
Fig. 10. Far-field spot of the beam. (a) Without spacial filter; (b) with spacial filter
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Table 1. Incident angle for different N
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