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Proceedings Paper

Interferometric optical fiber sensors with active stabilization of the operating point using a tunable semiconductor laser
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Paper Abstract

Optical fiber force sensors using Michelson interferometer and a tunable external cavity semiconductor lase rsource are investigated in order to develop a sensor whose operating point is actively stabilized by the change of the source wavelength. Two configurations of such sensros are briefly discussed, and their advantages are compared. Based on presented results a sensor was built and tested. The sensor employs an indirect force transducer in which the force acting on it is converted into hydrostatic pressure which is subsequently measured. The sensor exhibits good linearity. Its bandwidth is currently limited by the tuning speed of the laser and can be extended by increasing the tuning speed of the laser.

Paper Details

Date Published: 14 April 2003
PDF: 5 pages
Proc. SPIE 5028, Optical Fibers and Their Applications VIII, (14 April 2003); doi: 10.1117/12.497726
Show Author Affiliations
Pawel Wierzba, Technical Univ. of Gdansk (Poland)
Jerzy Plucinski, Technical Univ. of Gdansk (Poland)
Bogdan B. Kosmowski, Technical Univ. of Gdansk (Poland)

Published in SPIE Proceedings Vol. 5028:
Optical Fibers and Their Applications VIII
Jan Dorosz; Ryszard S. Romaniuk, Editor(s)

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