Tight Focusing of Higher Orders Laguerre-Gaussian Modes

被引：10

作者：

Savelyev, Dmitry A. ^{[1
,2
]}

Khonina, Svetlana N. ^{[1
,2
]}

Golub, Ilya ^{[3
]}

机构：

[1] Russian Acad Sci, Image Proc Syst Inst, 151 Molodogvardeiskaya Str, Samara 443001, Russia

[2] Samara State Aerosp Univ, 34 Moskovskoye Shosse, Samara 443086, Russia

[3] Algonquin Coll, Sch Adv Technol, Ottawa, ON K2G 1V8, Canada

来源：

2ND INTERNATIONAL CONFERENCE ON EMERGING TECHNOLOGIES: MICRO TO NANO 2015 (ETMN-2015) | 2016年 / 1724卷

关键词：

Laguerre-Gaussian modes; tight focusing; binary phase plate; higher orders; vortex phase; longitudinal component; ORBITAL ANGULAR-MOMENTUM; LINEARLY POLARIZED-LIGHT; LASER-BEAMS; STIMULATED-EMISSION; RADIAL POLARIZATION; SINGULAR OPTICS; ELECTRIC-FIELD; FOCAL SPOT; PHASE; SUPERRESOLUTION;

D O I：

10.1063/1.4945141

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The spatial redistribution of the contribution of different electric field components provides a decrease in the size of the central focal spot for higher orders Laguerre-Gaussian modes. It was shown that when sharply focusing laser beams with vortex or special binary phase plate, a sub-wavelength light localization of separate vector field components is possible for any polarization type. This fact should be considered for the interaction of laser radiation with materials selectively sensitive to lateral and longitudinal components of the electromagnetic field.

引用

页数：8

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