1996•Optics LettersRequires access

Folded Jamin interferometer: a stable instrument for refractive-index measurements

Hans Moosmüller, William Patrick Arnott

Abstract

A novel two-beam interferometer for the measurement of a refractive index or its induced changes is described. This interferometer consists of only two optical elements and is largely insensitive to their movement. A laboratory prototype has been built. It uses a polarized version of the folded Jamin interferometer to allow for convenient phase adjustment.

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Key concepts: Interferometry, Optics, Refractive index, Astronomical interferometer, Phase (matter), Intensity interferometer, Physics, Quantum mechanics