DocumentCode
913106
Title
High-resolution laser homodyne interferometer
Author
Midgley, J.A. ; Sander, K.F.
Author_Institution
University of Cambridge, Engineering Department, Cambridge, UK
Volume
7
Issue
5
fYear
1971
Firstpage
117
Lastpage
118
Abstract
A simple Michelson interferometer, illuminated by an amplitude stabilised He-Ne laser, has been used to monitor extremely small optical-path-length variations. The instrument is capable of determining a change of 1 Ã
(2Ã10¿3 rad), with a time resolution of approximately 3 ¿s.
Keywords
distance measurement; gas lasers; laser beam applications; length measurement; light interferometers; optoelectronic devices; He-Ne laser; Michelson interferometer; distance measurement; homodyne technique; laser beams applications; optical path length monitoring;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19710077
Filename
4235185
Link To Document