Propagation characteristics of vortex beam passing cube-corner prism

Nian Zhang; Xiang Zhang; Fan Gao; Baoxing Xiong; Xiao Yuan

doi:10.1117/12.2533583

17 May 2019 Propagation characteristics of vortex beam passing cube-corner prism

Nian Zhang, Xiang Zhang, Fan Gao, Baoxing Xiong, Xiao Yuan

Proceedings Volume 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019); 1117021 (2019) https://doi.org/10.1117/12.2533583
Event: Fourteenth National Conference on Laser Technology and Optoelectronics, 2019, Shanghai, China

Abstract

The light field distribution of the vortex beam propagating through the cube-corner prism is studied, considering the existence of the dihedral angle error and the flatness error in the process of the cube-corner prism, based on vector form of reflection-refraction law. The reflection-refraction mode of the cube-corner prism is established, and the phase distributions of the emitted light field and the diffraction light field are given when the dihedral angle error and the flatness error are considered. As for the cube-corner prism with circular section, the diffraction distribution of the vortex beam on the dihedral angle error and the flatness error is calculated. Meanwhile, the effects of diffraction distribution are analyzed. Simulation results show that, the divergence of diffraction intensity distribution increases with dihedral angle error increases. Also, the output diffraction pattern of the cube-corner prism with the three equal dihedral angle processing errors has six symmetrically distributed symmetrical petal structures. The quality of the output diffraction mode is significantly reduced at the existence of flatness error.

Citation Download Citation

Nian Zhang, Xiang Zhang, Fan Gao, Baoxing Xiong, and Xiao Yuan "Propagation characteristics of vortex beam passing cube-corner prism", Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 1117021 (17 May 2019); https://doi.org/10.1117/12.2533583

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KEYWORDS

Diffraction

Prisms

Beam propagation method

Reflection

Optics manufacturing

Wavefronts

Manufacturing

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