Model-independent maximum-entropy method for the analysis of sum-frequency vibrational spectroscopy

Pao Keng Yang, Jung Y. Huang*

*Corresponding author for this work

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

We have developed and applied a maximum-entropy phase-retrieval procedure to analyze sum-frequency vibrational spectra from a CCl4/octadecyl tricholosilane/silica interface and a hydrogen-terminated diamond C(lll) surface. Some a priori knowledge of a nonlinear optical spectrum was employed for determining the phase of nonlinear optical susceptibility, and therefore the requirement for experimental phase measurement can be avoided. The results agree well with those from the Lorentzian line-shape model and justify the applicability of the a priori constraints employed in our phase-retrieval procedure.

Original languageEnglish
Pages (from-to)1216-1222
Number of pages7
JournalJournal of the Optical Society of America B: Optical Physics
Volume17
Issue number7
DOIs
StatePublished - 1 Jan 2000

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