Transverse intensity at the tight focus of a second-order cylindrical vector beam

被引：8
|
作者：
Kozlova, E. S. [1 ,2 ]
Stafeev, S. S. [1 ,3 ]
Fomchenkov, S. A. [1 ,3 ]
Podlipnov, V. V. [1 ,4 ]
Kotlyar, V. V. [1 ,2 ]
机构：
[1] FSRC Crystallog & Photon RAS, IPSI RAS, Molodogvardeyskaya 151, Samara 443001, Russia
[2] Samara Natl Res Univ, Comp Sci Dept, Moskovskoye Shosse 34, Samara 443086, Russia
[3] Samara Natl Res Univ, Moskovskoye Shosse 34, Samara 443086, Russia
[4] Samara Natl Res Univ, Lab 35, Moskovskoye Shosse 34, Samara 443086, Russia
来源：
COMPUTER OPTICS | 2021年 / 45卷 / 02期
基金：
俄罗斯科学基金会; 俄罗斯基础研究基金会;
关键词：
SPIRAL ZONE-PLATE; APERTURE; FIELD; SNOM; PROBES;
D O I：
10.18287/2412-6179-CO-835
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, an effect of a reverse energy flow at the focus of a second-order cylindrical vector beam which passed through amplitude zone plate was investigated with a scanning near-field optical microscope. A comparison of the intensity distribution detected with a pyramidal metallized cantilever with a hole and the characteristics of the light field calculated using a FDTD method and the Richards-Wolf formulas suggests that the cantilever is sensitive to the transverse intensity component rather than the total intensity or the components of the Poynting vector in the backflow region.
引用
收藏
页码：165 / +
页数：10
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