DocumentCode
1005635
Title
Remote displacement measurements using a laser diode
Author
Beheim, G. ; Fritsch, K.
Author_Institution
NASA Lewis Research Center, Cleveland, USA
Volume
21
Issue
3
fYear
1985
Firstpage
93
Lastpage
94
Abstract
A technique for measuring displacements remotely to minimum distances of 8 mm with a resolution of 2 ¿m is described. A dynamic interferometer method is employed using a frequency-ramped laser diode. A direct measurement of the period of the resulting beat signal is used to determine the displacement.
Keywords
displacement measurement; light interferometry; measurement by laser beam; beat signal; dynamic interferometer method; laser diode; remote displacement measurement;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19850064
Filename
4250873
Link To Document