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Phase dispersion measurement on laser mirrors using fringe free spectral interferometry
Author(s): K. Csonti; G. Mészáros; A. P. Kovács
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Paper Abstract

We present a novel method for measuring the spectral phase of laser mirrors, where fringe free spectrally resolved interferograms are recorded, and a simple arcus cosine transformation is used to retrieve the spectral phase from the normalized interferograms. The method does not require time delay correction during the evaluation of the interferograms. Group-delay dispersion of a silver and a high reflection mirror is measured to test the precision of the method and it is compared with the precision provided by the cosine function fit and the Fourier-transform method.

Paper Details

Date Published: 21 June 2019
PDF: 6 pages
Proc. SPIE 11057, Modeling Aspects in Optical Metrology VII, 110571C (21 June 2019); doi: 10.1117/12.2525800
Show Author Affiliations
K. Csonti, ELI-HU Nonprofit Kft. (Hungary)
G. Mészáros, ELI-HU Nonprofit Kft. (Hungary)
A. P. Kovács, ELI-HU Nonprofit Kft. (Hungary)
Univ. of Szeged (Hungary)


Published in SPIE Proceedings Vol. 11057:
Modeling Aspects in Optical Metrology VII
Bernd Bodermann; Karsten Frenner; Richard M. Silver, Editor(s)

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