High resolution central fringe identification

Ju Yi Lee, Der Chin Su

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A high resolution central fringe identification by using the heterodyne interferometry with a tunable laser-diode and a fixed wavelength laser is presented. It can be operated easily and can be used to judge which arm of the Michelson interferometer is longer. The feasibility is demonstrated and it has 0.2 nm resolution.

Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalOptics Communications
Volume156
Issue number1-3
DOIs
StatePublished - 1 Nov 1998

Keywords

  • Central fringe
  • Heterodyne interferometry

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