26 June 2017 Measuring polarization dependent dispersion of non-polarizing beam splitter cubes with spectrally resolved white light interferometry
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Abstract
In this work we have measured the group-delay dispersion of an empty Michelson interferometer for s- and p-polarized light beams applying two different non-polarizing beam splitter cubes. The interference pattern appearing at the output of the interferometer was resolved with two different spectrometers. It was found that the group-delay dispersion of the empty interferometer depended on the polarization directions in case of both beam splitter cubes. The results were checked by inserting a glass plate in the sample arm of the interferometer and similar difference was obtained for the two polarization directions. These results show that to reach high precision, linearly polarized white light beam should be used and the residual dispersion of the empty interferometer should be measured at both polarization directions.
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K. Csonti, K. Csonti, V. Hanyecz, V. Hanyecz, G. Mészáros, G. Mészáros, A. P. Kovács, A. P. Kovács, } "Measuring polarization dependent dispersion of non-polarizing beam splitter cubes with spectrally resolved white light interferometry", Proc. SPIE 10330, Modeling Aspects in Optical Metrology VI, 1033015 (26 June 2017); doi: 10.1117/12.2269501; https://doi.org/10.1117/12.2269501
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