Design and Analysis of Flat-Top Beam Produced by Diffractive Optical Element-Reference-Cited by-同舟云学术

Design and Analysis of Flat-Top Beam Produced by Diffractive Optical Element

Published:2015-03 Issue: Volume:743 Page:800-807
ISSN:1662-7482
Container-title:Applied Mechanics and Materials
language:
Short-container-title:AMM

Author:

Nie S.Z.¹,Yu J.¹,Liu Y.¹,Fan Z.W.¹

Affiliation:

1. Chinese Academy of Sciences

Abstract

The modified Gerchberg-Saxton (G-S) methods of diffractive optical elements are presented for converting a Gaussian beam into a flat-top beam. The sample points of the input and output planes are discussed based on the sampling principle. The relationship between weighting factor, empirical constant, diffractive efficiency, and intensity uniformity is investigated. The simulation results of different modified methods are calculated when the incident beams are the same. The results show that the intensity uniformity of the output flat-top beam is the best when using the ST modified method.

Publisher

Trans Tech Publications, Ltd.

Link

https://www.scientific.net/AMM.743.800.pdf

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