Analysis of focusing light by a harmonic diffractive lens with regard for the refractiive index dispersion

被引：18
作者：
Khonina S.N. [1 ,2 ]
Volotovsky S.G. [1 ]
Ustinov A.V. [1 ]
Kharitonov S.I. [1 ,2 ]
机构：
[1] Image Processing Systems Institute of RAS – Branch of the FSRC Crystallography and Photonics RAS, Samara
[2] Samara National Research University, Samara
来源：
| 1600年 / Institution of Russian Academy of Sciences卷 / 41期
基金：
俄罗斯基础研究基金会;
关键词：
Chromatism; Diffraction orders; Fresnel transform; Harmonic diffractive lens;
D O I：
10.18287/2412-6179-2017-41-3-338-347
中图分类号：
学科分类号：
摘要：
The work is devoted to the theoretical and numerical investigation of the focusing properties of a harmonic lens with due regard for the refractive index dispersion. It is shown that the harmonic lens has hybrid refractive-diffractive properties, which are expressed not only in the appearance of additional local foci, but also in the displacement of the main focus even for aliquot wavelengths. The latter effect arises precisely because of the dispersion of the refractive index of the lens material. © 2017, Institution of Russian Academy of Sciences. All rights reserved.
引用
收藏
页码：338 / 347
页数：9
相关论文
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