叉形光栅法产生分数阶涡旋光的实验探究

doi:10.14139/j.cnki.cn22-1228.2023.06.001

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摘要

衍射和光栅是基础光学课程和光学实验的重要内容，在传统光学技术和前沿科学研究中有重要的作用和应用。文章以分数阶涡旋光为研究对象，利用空间光调制器设计了基于叉形光栅的衍射效应产生分数阶涡旋光的实验，编写了分数阶叉形光栅的计算机程序，实验上产生和观测了分数阶涡旋光，分析了分数阶涡旋光的特点和强度分布。通过本实验，学生进一步加深了对衍射和光栅特性的理解，激发了对光学前沿研究和探索的兴趣，拓展了学生的专业知识，提升了对光学研究和光场调控的创新意识。

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	祁义红
	杨　焓
	王润兵
	邢浩儒
	王　鹏

关键词: 衍射叉形光栅涡旋光轨道角动量空间光调制器

Abstract:

Diffraction and grating are important contents of basic optical courses and optical experimentsplaying an important role and application in traditional optical technology and frontier scientific research.Byusing the spatial light modulator( SLM) , the experiment of fractional optical vortex based on the diffractioneffect of the fork grating is designed and caried out.The fork grating holograms are calculated by the computerprogram and loaded onto the SLM. The fractional optical vortex is generated and observed experimentally , and the characteristics and intensity distribution of which are also analyzed.Through this experiment ,students havefurther deepened their understanding of difraction and grating characteristics, stimulated their interest infrontier optical research and exploration, expanded their professional knowledge , and enhanced their innovativeawareness on optical research and control of light field.

Key words: diffraction fork grating vortex beam orbital angular momentum spatial light modulator

发布日期: 2023-12-25

ZTFLH:

O 439

引用本文:

祁义红 , 杨　焓 , 王润兵 , 邢浩儒 , 王　鹏 . 叉形光栅法产生分数阶涡旋光的实验探究 [J]. 大学物理实验, 2023, 36(6): 1-5.
QI Yihong, YANG Han, WANG Runbing, XING Haoru, WANG Peng. Experimental Study on Generation of the FractionalOptical Vortex by the Fork Grating Method . Physical Experiment of College, 2023, 36(6): 1-5.

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http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2023.06.001 或 http://dawushiyan.jlict.edu.cn/CN/Y2023/V36/I6/1

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