Theoretical analysis of sensitivity-tunable total-internal-reflection heterodyne interferometer

Jiun-You Lin, Shao Fu Lin

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This study presents a theoretical analysis of a sensitivity-tunable total-internal-reflection (TIR) interferometer. The interferometer consists of a heterodyne light source, an isosceles right-angle prism, and some polarization components. When a half-wave plate and two quarter-wave plates with proper azimuth angles are arranged in the tested arm, the final phase difference of the interference signal is associated with the azimuth angle of the transmission axis of the analyzer in the arm. Numerical calculations demonstrated that phase sensitivity and measuring range are controllable by tuning the azimuth angle of the analyzer. The feasibility of the measuring method was demonstrated by the experiment results. Our method of measurement has implicational merits of both common-path interferometry and heterodyne interferometry.

Original languageEnglish
Pages (from-to)938-943
Number of pages6
JournalOptics and Lasers in Engineering
Volume50
Issue number7
DOIs
Publication statusPublished - 2012 Jul 1

Fingerprint

Interferometry
Interferometers
interferometers
azimuth
sensitivity
Signal interference
Prisms
Light sources
analyzers
interferometry
Tuning
Polarization
prisms
light sources
Experiments
tuning
interference
polarization

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Mechanical Engineering

Cite this

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Theoretical analysis of sensitivity-tunable total-internal-reflection heterodyne interferometer. / Lin, Jiun-You; Lin, Shao Fu.

In: Optics and Lasers in Engineering, Vol. 50, No. 7, 01.07.2012, p. 938-943.

Research output: Contribution to journalArticle

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