J. Phys. IV France 129 (2005) 165-167
DOI: 10.1051/jp4:2005129035
Contrastometric fiber optic elongation sensor
M. Szustakowski, N. Palka and W. CiurapinskiMilitary University of Technology, Institute of Optoelectronics, Kaliski St. 2, 00-908 Warsaw, Poland
Abstract
The elongation sensor bases on the contrast measurements
in an unbalanced fiber optic Michelson interferometer with a
coupler
and a semiconductor multimode laser. For 1-m long sensor we obtained 5-mm
measuring range with 
-
m uncertainty.
© EDP Sciences 2005