采用迭代设计的二元相位光栅产生平顶波束

Diffractive Optics and Micro-Optics Pub Date : 1900-01-01 DOI:10.1364/domo.1996.jtub.12

J. Amako, T. Sonehara

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摘要

平顶波束产生的各种方法已经被报道过。1-4)在这里，我们关注的是一种光栅方法，在这种方法中，相位光栅被用来调制波束波前并形成其傅立叶谱。本文采用迭代的方法设计了一种光栅型光束整形器，在光栅和傅里叶平面的振幅和相位约束下寻求光栅的最佳相位。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Flattop Beam Generation Using An Iteratively-Designed Binary Phase Grating

Various approaches for flattop beam generation have been reported.1-4) Here we focus on a grating approach in which a phase grating is used to modulate a beam wavefront and shape its Fourier spectrum. We designed a grating-type beam shaper in an iterative manner, where an optimal grating phase is sought under the constraints of amplitude and phase both in the grating and Fourier planes.

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$Diffractive Optics and Micro-Optics$

Diffractive Optics and Micro-Optics

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