1.8 mJ high magnification Nd:YAG slab picosecond laser amplifier

Jinchuan Wang; Mi Li; Jialin Du; Dan Wang; Tenglong Li; Juntao Wang; Tangjian Zhou; Jianli Shang; Qingsong Gao

doi:10.11884/HPLPB202234.210562

High Power Laser and Particle Beams, Volume. 34, Issue 6, 061001(2022)

1.8 mJ high magnification Nd:YAG slab picosecond laser amplifier

Jinchuan Wang^1,2,3, Mi Li^1,2, Jialin Du^1,2, Dan Wang^1,2, Tenglong Li^1,2, Juntao Wang^1,2、*, Tangjian Zhou^1,2, Jianli Shang^1,2, and Qingsong Gao^1,2

Author Affiliations

¹Institute of Applied Electronics, CAEP, Mianyang 612900, China

²Key Laboratory of Science and Technology on High Energy Laser, CAEP, Mianyang 612900, China

³Graduate School of China Academy of Engineering Physics, Beijing 100088, China

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Figures & Tables(8)

Fig. 1. Optical path of laser beam in zig-zag slab

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Fig. 2. Theoretical result of small signal gain coefficient distribution

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Fig. 3. Power distribution of different positions within slab

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Fig. 4. Schematic of experimental setup

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Fig. 5. Spectra of seed laser

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Fig. 6. Output characteristic curves of laser of five-pass amplification

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Fig. 7. Output characteristic curves of laser amplifier system

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Table 1. Incident angle (θ) for different propagation cycle (N)
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Table 1. Incident angle (θ) for different propagation cycle (N)
N θ/(°)
12 45.9
13 42.1
14 38.5
15 34.4
16 31.2
17 28.2
18 25.4
19 23.6

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Jinchuan Wang, Mi Li, Jialin Du, Dan Wang, Tenglong Li, Juntao Wang, Tangjian Zhou, Jianli Shang, Qingsong Gao. 1.8 mJ high magnification Nd:YAG slab picosecond laser amplifier[J]. High Power Laser and Particle Beams, 2022, 34(6): 061001

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