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Proceedings Paper

Strain sensor based on LP01-LP02 intermodal interference in highly birefringent optical fibers
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Paper Abstract

LP01-LP02 intermodal interference in highly birefringent (Hi-Bi) elliptical jacket and bow-tie optical fibers was studied experimentally. The response of the interferometer to strain was measured for different polarization inputs. The experiments are shown to agree with a previous theoretical investigation of LP01-LP02 intermodal polarization interference. The modal distributions of the interfering modes are found to be different in elliptical-core and in bow-tie fibers. Comparison with the LP01-LP11 interferometric response is presented. Optimum detection schemes are suggested to extract maximum information from the strain-modulated sensor signal.

Paper Details

Date Published: 9 March 1994
PDF: 8 pages
Proc. SPIE 2070, Fiber Optic and Laser Sensors XI, (9 March 1994); doi: 10.1117/12.169951
Show Author Affiliations
Wojtek J. Bock, Univ. Quebec (Canada)
Tinko A. Eftimov, Univ. Quebec (Canada)


Published in SPIE Proceedings Vol. 2070:
Fiber Optic and Laser Sensors XI
Ramon P. DePaula, Editor(s)

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