Four-level phase grating generated by combination of two binary gratings through coherent imaging

被引：7

作者：

Magnusson, A ^{[1
]}

Hård, S ^{[1
]}

机构：

[1] Chalmers, Photon Lab, Dept Microelect, S-41296 Gothenburg, Sweden

来源：

APPLIED OPTICS | 2000年 / 39卷 / 32期

关键词：

D O I：

10.1364/AO.39.005936

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

With the aim of steering as much incident light power in the +1 diffraction order as possible and suppressing the power in the -1 order, we generated an effective four-level grating by coherently imaging a 180 degrees binary-phase grating onto a 90 degrees phase grating. The periods of the gratings were well matched. The measured overall power fractions in the +1 and -1 orders were 54% and 2%, respectively. (C) 2000 Optical Society of America OCIS codes: 050.1380, 070.2580.

引用

页码：5936 / 5939

页数：4

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