2002•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access

White light interferometry

James C. Wyant

Abstract

White light interferometry is an extremely powerful tool for optical measurements. This paper discusses the advantages and disadvantages of white light interferometry compared to laser light interferometry. Three different white light interferometers are discussed: 1) diffraction gratin interferometers; 2) vertical scanning or coherence probe interferometers, and 3) white light scatterplate interferometers.

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Key concepts: Astronomical interferometer, Interferometry, White light interferometry, Optics, White light, Physics, Coherence (philosophical gambling strategy), Laser