Generation of super-high-order petal-like laser beam using Theon-sieve resonator

Xianghe Guan; Junyong Zhang; Yanli Zhang; Jianqiang Zhu

doi:10.3788/COL202018.041404

Chinese Optics Letters, Volume. 18, Issue 4, 041404(2020)

Generation of super-high-order petal-like laser beam using Theon-sieve resonator

Xianghe Guan^1,2, Junyong Zhang^1、*, Yanli Zhang¹, and Jianqiang Zhu^1、**

¹Key Laboratory of High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

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Fig. 1. Theon-sieve (TS) resonator.

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Fig. 2. Structure of the TS.

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Fig. 3. TS resonator: (a) normalized intensity distribution; (b) per round trip energy loss percentage.

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Fig. 4. Simulation of petal-like modes at different distances between TS and L₁. (a) $d = 87 mm$ ; (b) $d = 90 mm$ ; (c) $d = 102 mm$ ; (d) $d = 65 mm$ ; (e) $d = 120 mm$ ; (f) $d = 140 mm$ .

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Fig. 5. Per round trip energy loss percentage versus different distances.

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Fig. 6. Number of petals versus different distances.

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Table 1. Radii and Number of Petals at Different Distances
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Table 1. Radii and Number of Petals at Different Distances
$d$ (mm) 87 90 102 65 120 140
Petal number 36 36 36 26 46 54
Radius (mm) 0.32 0.31 0.30 0.30 0.31 0.31

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Xianghe Guan, Junyong Zhang, Yanli Zhang, Jianqiang Zhu, "Generation of super-high-order petal-like laser beam using Theon-sieve resonator," Chin. Opt. Lett. 18, 041404 (2020)

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