Proposal for ellipsometer configurations allowing phase-sensitive detection

E. Masetti, M. Montecchi, S.E. Segre

Research output: Contribution to journalArticle

Abstract

We propose ellipsometer configurations where, by conveniently modulating either the input or the output polarization, one can determine the ellipsometric parameters, Δ and ѱ, purely from phase measurements on two harmonic components of the signal from a single detector. Such phase measurements are less sensitive to noise than the conventional amplitude measurements, and the proposed modulation techniques can allow the achievement of frequencies up to tens of megahertz. Thus a very good time resolution is achieved. © 1997 Optical Society of America.
Original languageEnglish
Pages (from-to)8179 - 8183
Number of pages5
JournalApplied Optics
Volume36
Issue number31
DOIs
Publication statusPublished - 1 Nov 1997

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All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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