Diffractive optical elements for the generating cylindrical beams of different orders

被引：9
|
作者：
Degtyarev, S. A. [1 ,2 ]
Savelyev, D. A. [1 ,2 ]
Karpeev, S. V. [1 ,2 ]
机构：
[1] Samara Natl Res Univ, Moskovskoye Shosse 34, Samara 443086, Russia
[2] RAS, Branch FSRC Crystallog & Photon, IPSI, Molodogvardeyskaya 151, Samara 443001, Russia
来源：
COMPUTER OPTICS | 2019年 / 43卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
subwavelength structures; cylindrical beams; polarization conversion; finite element method; VECTOR BEAMS; PROPAGATION;
D O I：
10.18287/2412-6179-2019-43-3-347-355
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The paper proposes a method for calculating the phase function of subwavelength diffractive optical elements. The method is based on diffraction gratings with a varying period for generating vector beams with arbitrary-order cylindrical polarization. Formulas for the phase function of the grating are obtained with due regard for the period variation for increasing the efficiency of the polarization conversion of the incident beam. The obtained phase functions are supposed to be used for creating polarization-conversion diffractive optical elements for noise-resistant optical communication systems.
引用
收藏
页码：347 / 355
页数：9
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