High Power Laser and Particle Beams, Volume. 34, Issue 3, 031004(2022)
A thin-disk multi-pass pump scheme with large laser aperture
Figures & Tables(4)
Fig. 1. (a) 3D structure and (b) front view of the RDSP pump scheme with 18 times pumping
Fig. 2. Appearance of the spot of propagating (a) once (b) 12 times through the thin-disk for a triangle shaped pump spot
Fig. 3. Experimental results of the output power and the optical to optical efficiency of the pump scheme
Table 1. Comparison of the three pump schemes
View tableView in ArticleTable 1. Comparison of the three pump schemes
evaluating indicator ADSP RDDP RDSP sharpness of pump spot radially diffusion diffusion in x and y direction diffusion in x and y direction pump spot shape that coincides perfectly circle or regular polygon with appropriate angle symmetric about x axis and y axis symmetric aboutx axis and y axis laser transmission angle small angle only small angle blocked 0°～90° in theory anti-disturbance ability[ 8 ]low high low number of reflections on mirrors in a cycle 4 5 4 cost low (one parabolic mirror) high (two parabolic mirrors) low (one parabolic mirror) adjusting difficulty high low medium
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Hantian Chen, Jing Dong, Hailin Wang, Guangzhi Zhu, Xiao Zhu. A thin-disk multi-pass pump scheme with large laser aperture[J]. High Power Laser and Particle Beams, 2022, 34(3): 031004
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Received: Jul. 13, 2021
Accepted: --
Published Online: Mar. 28, 2022
The Author Email: Xiao Zhu (zx@hust.edu.cn)
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