Diffractive optical elements for generation and transformation of structured laser beams

被引：0

作者：

Porfirev, Alexey P. ^{[1
,2
]}

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

Fomchenkov, Sergey A. ^{[1
,2
]}

机构：

[1] Samara Natl Res Univ, Samara, Russia

[2] Russian Acad Sci, Branch Fed Sci Res Ctr Crystallog & Photon, Image Proc Syst Inst, Samara, Russia

来源：

OPTICAL DESIGN AND ENGINEERING VII | 2018年 / 10690卷

基金：

俄罗斯科学基金会;

关键词：

Diffractive optical elements; structured laser beams; polarisation; amplitude; phase; POLARIZATION; PHASE;

D O I：

10.1117/12.2313725

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we consider methods of design and manufacture of diffractive optical elements (DOEs), generating so-called structured laser beams with predetermined amplitude/phase/polarisation distributions and perform transformation of those laser beams. Diffraction optics makes it possible to implement generation and control of the structured laser beams via single DOE and their combinations. We demonstrate several traditional methods that can be used to calculate a pure-phase transmission function of DOEs, both iterative and non-iterative. In addition, different technological processes for the manufacture of DOEs are used, including direct laser writing in thin films and lithography combined with plasma etching. The structured laser beams generated using DOEs provide new opportunities for large-scale high-rate laser fabrication of nano- and microscale functional elements, as well as for the laser manipulation of microscale objects. The use of the structured laser beams in these applications (for example, radially/azimuthally polarised laser beams, optical vortex beams or beams with complex-shape transverse intensity distributions) allows advanced control.

引用

页数：7

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