High‐sensitivity acoustically scanned optical imaging device using charge storage effect
作者:
Ph. Defranould,
H. Gautier,
C. Maerfeld,
期刊:
Applied Physics Letters
(AIP Available online 1976)
卷期:
Volume 29,
issue 2
页码: 79-81
ISSN:0003-6951
年代: 1976
DOI:10.1063/1.88974
出版商: AIP
数据来源: AIP
摘要:
A new principle of acoustic scanning of an optical image is described. The illumination modulates the storage time constant of a charge grating acoustically stored in ap−ndiode matrix. One surface acoustic pulse directly reads out the resulting charge distribution. Owing to integration effects, the device exhibits a very high sensitivity and an electronically variable contrast.
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