A velocity interferometer system for any reflector utilizing a short coherence length laser
作者:
M. J. Lwin,
G. G. Voevodkin,
P. D. Killen,
N. W. Page,
J. M. Bell,
期刊:
Review of Scientific Instruments
(AIP Available online 1998)
卷期:
Volume 69,
issue 9
页码: 3103-3105
ISSN:0034-6748
年代: 1998
DOI:10.1063/1.1149066
出版商: AIP
数据来源: AIP
摘要:
A velocity interferometer system for any reflector, utilizing a laser of coherence length less than the optical path difference (OPD) between the two interferometer arms, is described and tested. In this instrument the laser beam is passed through the interferometer both before and after it is reflected from the target. As a result the coherence length of the laser need only be twice the relatively small distance traveled by the target in the time taken for light to traverse the OPD. Results are presented for a nonspecular target. ©1998 American Institute of Physics.
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