Single-coordinate filter with variable transmission across aperture

被引：0

作者：

Bel'kov, S. A. ^{[1
]}

Voronich, I. N. ^{[1
]}

Garanin, S. G. ^{[1
]}

Zimalin, B. G. ^{[1
]}

Sizmin, D. V. ^{[1
]}

机构：

[1] Russian Fed Nucl Ctr, All Russian Sci Res Inst Expt Phys, Sarov, Nizhnyi Novgoro, Russia

来源：

JOURNAL OF OPTICAL TECHNOLOGY | 2016年 / 83卷 / 03期

关键词：

RADIATION;

D O I：

10.1364/JOT.83.000175

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A filter that shapes a laser beam to achieve a specified spatial intensity profile along a single coordinate is developed and studied. The filter consists of a diffractive element fabricated by laser-etching the surface of a transparent dielectric plate and a spatial angle selector. The diffractive element has a radiation damage threshold of 6 J/cm(2) at pulse width 3 ns. A three-dimensional intensity profile in the form of a parabola extending along one coordinate was experimentally produced; this intensity profile is used to compensate for spatial distortion of the beam in the main gain beamline of high-power neodymium laser systems. (C) 2016 Optical Society of America.

引用

页码：175 / 180

页数：6

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