Application of automatic collimation technology for pupil and optical axis in laser beam control

Jiang Zhixiong; Xie Ping; Yan Wei

doi:10.11884/HPLPB202335.230077

Volume 35 Issue 8

Jul. 2023

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Article Navigation > High Power Laser and Particle Beams > 2023 > 35(8): 081006

Shen Zhanpeng, Chen Xiaojuan, Chen Xueqian, et al. Two parameter optimization methods for large aperture mirror[J]. High Power Laser and Particle Beams, 2018, 30: 062001. doi: 10.11884/HPLPB201830.180011

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Jiang Zhixiong, Xie Ping, Yan Wei. Application of automatic collimation technology for pupil and optical axis in laser beam control[J]. High Power Laser and Particle Beams, 2023, 35: 081006. doi: 10.11884/HPLPB202335.230077

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Application of automatic collimation technology for pupil and optical axis in laser beam control

doi: 10.11884/HPLPB202335.230077

Institute of Applied Electronics, CAEP, Mianyang 621900, China

Received Date: 2023-04-06
Accepted Date: 2023-05-09
Rev Recd Date: 2023-05-20

Available Online: 2023-06-12

Publish Date: 2023-08-15

Abstract

Abstract

For the transfer of the pupil and optical axis position in the design of complex optical mechanical system, the algorithm model of coupling control of the pupil mirror and the optical axis mirror and the analytical formula for implementing control are constructed. Based on the coupling control process, the calibration process and method of each coefficient in the analytical formula are elaborated. At the same time, the rationality of the above model and the analytical formula is verified through the built test optical path. Combined with the calculated pupil and optical axis spot center on the target plane of the detector, the fast coupling of pupil and optical axis can be realized in one step through the linkage control of the two motors of the pupil and optical axis coupling mirrors. The pupil can achieve an accuracy of 0.2% of the near field spot and an accuracy of 3 μrad for the optical axis by performing three different control strategies for the pupil and optical axis coupling.
- pupil and optical axis,
- automatic,
- collimation technique,
- coupling control,
- centroid

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References

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