A velocity interferometer system for any reflector utilizing a short coherence length laser

被引:0
|
作者
Lwin, MJ [1 ]
Voevodkin, GG
Killen, PD
Page, NW
Bell, JM
机构
[1] Queensland Univ Technol, Ctr Med & Hlth Phys, Brisbane, Qld 4001, Australia
[2] Univ Newcastle, Dept Mech Engn, Newcastle, NSW 2308, Australia
[3] Queensland Univ Technol, Sch Mech Mfg & Med Engn, Brisbane, Qld 4001, Australia
来源
REVIEW OF SCIENTIFIC INSTRUMENTS | 1998年 / 69卷 / 09期
关键词
D O I
10.1063/1.1149066
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
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 tl:averse the OPD. Results are presented for a nonspecular target. (C) 1998 American Institute of Physics. [S0034-6748(98)03709-5]
引用
收藏
页码:3103 / 3105
页数:3
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