Direct calibration of a spatial light modulator by lateral shearing interferometry

被引：20
|
作者：
Ferreira, Flavia P. [1 ]
Belsley, Michael S. [1 ]
机构：
[1] Univ Minho, Ctr Fis, P-4710057 Braga, Portugal
来源：
OPTICS EXPRESS | 2010年 / 18卷 / 08期
关键词：
D O I：
10.1364/OE.18.007899
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new interferometric technique is described to measure the complex modulation curve of a spatial light modulator. Based on a lateral shear imaging interferometer, it enables the amplitude and phase modulation for several modulation levels to be displayed simultaneously in a single interferogram. As an example of the power of this technique a heuristic optimization of input and output elliptical polarization states for a mostly-phase operation mode was obtained within a few minutes for a commercial twisted-nematic liquid crystal display.
引用
收藏
页码：7899 / 7904
页数：6
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