Refractive-index measurement based on the effects of total internal reflection and the uses of heterodyne interferometry

Ming Horng Chiu, Ju Yi Lee, Der Chin Su

Research output: Contribution to journalArticlepeer-review

67 Scopus citations

Abstract

A new method for measuring the refractive index is presented. First, the phase difference between s and p polarizations that is due to the total internal reflection is measured by heterodyne interferometry. Then, substituting this phase difference into the Fresnel equations, we can obtain the refractive index of the test medium.

Original languageEnglish
Pages (from-to)2936-2939
Number of pages4
JournalApplied Optics
Volume36
Issue number13
DOIs
StatePublished - 1 May 1997

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