Photorefractive polymers for laser-based ultrasound detection

被引：0
|
作者：
Wright, D [1 ]
Gubler, U [1 ]
Klein, MB [1 ]
Moerner, WE [1 ]
机构：
[1] Stanford Univ, Dept Chem, Stanford, CA 94305 USA
来源：
ORGANIC PHOTOREFRACTIVES, PHOTORECEPTORS, AND NANOCOMPOSITES | 2000年 / 4104卷
关键词：
photorefractive polymers; adaptive beamsplitter; homodyne detection; laser-based-ultrasound;
D O I：
10.1117/12.406474
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Photorefractive polymers have recently shown an attractive combination of high two-beam-coupling gain coefficient (similar to 200cm(-1)), low absorption (similar to5-10 cm(-1)), and fast response (few ms) at 1W/cm(2) writing intensity. Such materials show promise as adaptive beamsplitters for homodyne detection of transient phase shifts due to laser-based ultrasound. The performance of a photorefractive polymer composite is explored for this application.
引用
收藏
页码：110 / 117
页数：6
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