Analysis of Factors Influencing the Generation of a Higher-Order Hermite–Gaussian Mode Based on Cascaded Spatial Light Modulators

Author:

Ma Long123,Yan Manjun4

Affiliation:

1. College of Computer Science, Chongqing University, Chongqing 400044, China

2. School of Computer Science and Engineering, Chongqing Three Gorges University, Chongqing 404100, China

3. Key Laboratory of Intelligent Information Processing and Control of Chongqing Municipal Institutions of Higher Education, Chongqing Three Gorges University, Chongqing 404100, China

4. School of Mechanical Engineering, Chongqing Three Gorges University, Chongqing 404100, China

Abstract

Due to its complex spatial distribution, the higher-order Hermite–Gaussian mode possesses significant application in fields such as precision measurement and optical communication. The spatial light modulator, with its capability to modulate the complex amplitude distribution of the incident light field, finds extensive applications in optical information processing and adaptive optics, thus making it an indispensable tool in these fields. Using cascaded spatial light modulators can efficiently and superbly generate a higher-order Hermite–Gaussian mode; however, the experimental system is challenging, and there are many influencing factors, such as the misalignment between the optical field on the plane of the second spatial light modulator and the hologram loaded onto it, as well as the spot size of the optical field on the plane of the second spatial light modulator. In this paper, we analyzed the influence of the above factors on the quality of generating a higher-order Hermite–Gaussian mode, providing a reference for the efficient and high-quality generation of the higher-order Hermite–Gaussian mode.

Funder

Natural Science Foundation of Chongqing

Scientific and Technological Research Program of Chongqing Municipal Education Commission

Fundamental Research Funds for Chongqing Three Gorges University of China

Publisher

MDPI AG

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