New type of liquid refractometer

Der Chin Su, Ju Yi Lee, Ming Horng Chiu

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

In a new type of liquid refractometer, the phase difference variation between s and p polarizations produced by the total internal reflection is measured using a heterodyne interferometer with a specially designed probe. Substituting the phase difference variation into the Fresnel's equation, the refractive index can be calculated and displayed. The prototype is set up to demonstrate its feasibility.

Original languageEnglish
Pages (from-to)2795-2797
Number of pages3
JournalOptical Engineering
Volume37
Issue number10
DOIs
StatePublished - Oct 1998

Keywords

  • Heterodyne interferometry
  • Refractometer
  • Total internal reflection

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