Hyperresolving phase-only filters with an optically addressable liquid crystal spatial light modulator

被引：10
|
作者：
McOrist, J [1 ]
Sharma, MD [1 ]
Sheppard, CJR [1 ]
West, E [1 ]
Matsuda, K [1 ]
机构：
[1] Univ Sydney, Sch Phys, Phys Opt Lab, Sydney, NSW 2006, Australia
来源：
MICRON | 2003年 / 34卷 / 6-7期
关键词：
hyperresolving; filters; liquid crystal spatial light modulator;
D O I：
10.1016/S0968-4328(03)00059-3
中图分类号：
TH742 [显微镜];
学科分类号：
摘要：
Hyperresolving (sometimes called 'superresolving' or 'ultraresolving') phase-only filters can be generated using an optically addressable liquid crystal spatial light modulator. This approach avoids the problems of low efficiency, and coupling between amplitude and phase modulation, that arise when using conventional liquid crystal modulators. When addressed by a programmed light intensity distribution, it allows filters to be changed rapidly to modify the response of a system or permit the investigation of different filter designs. In this paper we present experimental hyperresolved images obtained using an optically addressable parallel-aligned nematic LCD with two zone Toraldo type phase-only filters. The images are compared with theoretical predictions. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：327 / 332
页数：6
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