Automatic Measurement of Vertex Refraction with Coherent Light
作者:
A.F. Fercher,
H. Sprongl,
期刊:
Optica Acta: International Journal of Optics
(Taylor Available online 1975)
卷期:
Volume 22,
issue 10
页码: 799-806
ISSN:0030-3909
年代: 1975
DOI:10.1080/713818976
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Automatic digital vertometers could be realized with the help of spatial interference fields. Two methods are described, one employing speckle patterns but requiring quite complex electronic signal processing, the other employing two-beam interference and requiring only a simple digital counter. Short measuring times can be achieved since no focusing is necessary with these procedures.
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