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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 55, Iss. 6 — Jun. 1, 2001
  • pp: 774–780

Dispersion Relations and Phase Retrieval in Infrared Reflection Spectra Analysis

Jean-Francois Brun, Domingos de Sousa Meneses, Benoit Rousseau, and Patrick Echegut

Applied Spectroscopy, Vol. 55, Issue 6, pp. 774-780 (2001)


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Abstract

A variant of the maximum entropy method (MEM), recently developed by Vartiainen et al., is proposed for infrared reflectivity spectra analysis. The procedure uses a new interpolation algorithm to estimate the so-called error phase that is the key step of the model. As shown by several examples, this approach is a good alternative to the well known Kramers–Kronig phase retrieval relation for the determination of the dielectric function and proved to be particularly efficient in dealing with conductor materials.

Citation
Jean-Francois Brun, Domingos de Sousa Meneses, Benoit Rousseau, and Patrick Echegut, "Dispersion Relations and Phase Retrieval in Infrared Reflection Spectra Analysis," Appl. Spectrosc. 55, 774-780 (2001)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-55-6-774

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