Sagnac-interferometer-based characterization of spatial light modulators
Sagnac-interferometer-based characterization of spatial light modulators
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DOI：
10.1364/ao.48.002236
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发表时间：
2009-04-20
期刊：
影响因子：
1.9
通讯作者：
Bowen, Warwick P.
中科院分区：
文献类型：
--
作者：
Tay, Jian Wei;Taylor, Michael A.;Bowen, Warwick P.
提出了一种利用Sagnac干涉仪测量空间光调制器（SLM）相位响应的方法。该方法通过提供简单且准确的相位测量，同时利用Sagnac干涉仪的固有相位稳定性，代表了对传统的基于衍射或干涉技术的改进。作为示范，一个商业的硅SLM上的液晶的相位响应的特点，然后通过使用可编程的查找表线性化。还测量了SLM表面的横向相位分布。(c)2009年美国光学学会
A method for characterizing the phase response of spatial light modulators (SLMs) by using a Sagnac interferometer is proposed and demonstrated. The method represents an improvement over conventional diffraction-based or interferometric techniques by providing a simple and accurate phase measurement while taking advantage of the inherent phase stability of a Sagnac interferometer. As a demonstration, the phase response of a commercial liquid crystal on a silicon SLM is characterized and then linearized by using a programmable lookup table. The transverse phase profile over the SLM surface is also measured. (c) 2009 Optical Society of America