Aspherical wavefront shaping with combined computer generated holograms

被引：7

作者：

Poleshchuk, Alexander G. ^{[1
]}

Nasyrov, Ruslan K. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Automat & Electrometry, Novosibirsk 630090, Russia

来源：

OPTICAL ENGINEERING | 2013年 / 52卷 / 09期

基金：

俄罗斯基础研究基金会;

关键词：

diffractive optical elements; computer generated hologram; laser writing; methods for diffractive optical elements fabrication; aspheric surfaces testing; FABRICATION; INTERFEROMETER; OPTICS;

D O I：

10.1117/1.OE.52.9.091709

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The problem of metrological standards development for aspherical wavefronts is discussed. A method for aspherical wavefront shaping by means of combined (or twin, multiplexed) computer generated hologram (CCGH) is presented. The CCGH reconstructs two wavefronts: the first one is used for calibration of the second one by means of a Fizeau interferometer and a highly reflective flat reference surface. Different CCGH encoding methods are discussed. The design of a CCGH with subaperture division in the shape of angular sectors is presented. The absence of cross-talk errors in both wavefronts was demonstrated experimentally. (C) 2013 Society of Photo-Optical Instrumentation Engineers (SPIE)

引用

页数：6

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