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Proceedings Paper

Dispersion measurements of anisotropic materials and a new fiber-optic sensor configuration
Author(s): R. Chlebus; P. Hlubina; D. Ciprian
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Paper Abstract

We present two different white-light spectral interferometric techniques employing a low-resolution spectrometer for a direct measurement of the group dispersion of anisotropic optical materials. First, the dispersion of the group birefringence of a calcite crystal is measured in a tandem configuration of a Michelson interferometer and the calcite crystal. Second, the dispersion of the ordinary and extraordinary group refractive indices of a quartz crystal is measured in a Michelson interferometer with the crystal inserted in one of the interferometer arms. Both techniques utilize the spectrometer to record a series of spectral interferograms for measuring the equalization wavelength as a function of the displacement of the interferometer mirror from the reference position, which corresponds to a balanced Michelson interferometer. We confirm that the measured group dispersions agree well with those resulting from the semiempirical dispersion equations. Furthermore, we propose a new white-light spectral-domain fiber-optic sensor configuration utilizing a tandem configuration of a uniaxial (calcite or quartz) crystal and a sensing birefringent fiber.

Paper Details

Date Published: 12 April 2007
PDF: 10 pages
Proc. SPIE 6609, 15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics, 66090H (12 April 2007); doi: 10.1117/12.739495
Show Author Affiliations
R. Chlebus, Technical Univ. Ostrava (Czech Republic)
P. Hlubina, Technical Univ. Ostrava (Czech Republic)
D. Ciprian, Technical Univ. Ostrava (Czech Republic)

Published in SPIE Proceedings Vol. 6609:
15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics
Miroslav Miler; Dagmar Senderáková; Miroslav Hrabovský, Editor(s)

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