Dispersion measurements of anisotropic materials and a new fiber-optic sensor configuration

R. Chlebus; P. Hlubina; D. Ciprian

doi:10.1117/12.739495

12 April 2007 Dispersion measurements of anisotropic materials and a new fiber-optic sensor configuration

R. Chlebus, P. Hlubina, D. Ciprian

Proceedings Volume 6609, 15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics; 66090H (2007) https://doi.org/10.1117/12.739495
Event: 15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics, 2006, Liberec, Czech Republic

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.

Citation Download Citation

R. Chlebus, P. Hlubina, and D. Ciprian "Dispersion measurements of anisotropic materials and a new fiber-optic sensor configuration", Proc. SPIE 6609, 15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics, 66090H (12 April 2007); https://doi.org/10.1117/12.739495

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