HIGH-SPEED ANALOG COMPLEX-AMPLITUDE LIQUID-CRYSTAL LIGHT-MODULATOR

被引：6
|
作者：
SHARP, GD
JOHNSON, KM
机构：
[1] Department of Electrical and Computer Engineering, Optoelectronic Computing Systems Center, University of Colorado at Boulder, Boulder, CO
来源：
OPTICS LETTERS | 1994年 / 19卷 / 16期
关键词：
11;
D O I：
10.1364/OL.19.001228
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A homogeneously aligned smectic A* liquid-crystal quarter-wave retarder is used to produce analog complex-amplitude modulation of light through the electroclinic effect. The device consists of a reflection-mode polarization rotative phase shifter enhanced by an asymmetric resonator. With an entrance mirror reflectivity of 70%, an analog modulation of 65% of a fringe was observed. The 10-90% response time of the liquid crystal was measured to be 25 mus at 25-degrees-C.
引用
收藏
页码：1228 / 1230
页数：3
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