Characterization and compensation of phase distortions in holograms for generating and detecting doughnut beams

被引：0
作者：
Yoko Miyamoto
Koichi Bito
Yusuke Ozaki
Atsushi Wada
Mitsuo Takeda
机构：
[1] The University of Electro-Communications,Department of Engineering Science
[2] The University of Electro-Communications,Department of Information and Communication Engineering
[3] National Defense Academy,Department of Communications Engineering
来源：
Optical Review | 2013年 / 20卷
关键词：
doughnut beam; optical orbital angular momentum; hologram; rotational symmetry; aberration;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Raster scan systems can introduce cubic and quadratic phase distortions in holograms for generating and detecting doughnut beams. The distortions can be corrected by subtracting corresponding terms from the hologram design. The compensation parameters can be determined by fabricating test holograms and applying rotational symmetry analysis to the intensity distribution of the generated beams. The 2- and 3-fold rotational symmetry components are shown to be effective in determining quadratic and cubic corrections respectively, and in the final corrected hologram the total contribution of anisotropic intensity components was reduced to 0.3%.
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页码：127 / 131
页数：4
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