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  Adaptive frequency comb illumination for interferometry in the case of nested two-beam cavities

Harder, I., Leuchs, G., Mantel, K., & Schwider, J. (2011). Adaptive frequency comb illumination for interferometry in the case of nested two-beam cavities. APPLIED OPTICS, 50(25), 4942-4956. doi:10.1364/AO.50.004942.

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 Creators:
Harder, Irina1, Author           
Leuchs, Gerd2, Author           
Mantel, Klaus1, Author           
Schwider, Johannes1, Author           
Affiliations:
1Optical Design and Microoptics, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364704              
2Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364698              

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Free keywords: PHASE-SHIFTING INTERFEROMETRY; FABRY-PEROT-INTERFEROMETER; MICHELSON INTERFEROMETER; FIZEAU INTERFEROMETER; ERROROptics;
 Abstract: The homogeneity test of glass plates in a Fizeau interferometer is hampered by the superposition of multiple interference signals coming from the surfaces of the glass plate as well as the empty Fizeau cavity. To evaluate interferograms resulting from such nested cavities, various approaches such as the use of broadband light sources have been applied. In this paper, we propose an adaptive frequency comb interferometer to accomplish the cavity selection. An adjustable Fabry-Perot resonator is used to generate a variable frequency comb that can be matched to the length of the desired cavity. Owing to its flexibility, the number of measurements needed for the homogeneity test can be reduced to four. Furthermore, compared to approaches using a two-beam interferometer as a filter for the broadband light source, the visibility of the fringe system is considerably higher if a Fabry-Perot filter is applied. (C) 2011 Optical Society of America

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Language(s): eng - English
 Dates: 2011
 Publication Status: Issued
 Pages: 15
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000294485900038
DOI: 10.1364/AO.50.004942
 Degree: -

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Title: APPLIED OPTICS
Source Genre: Journal
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Publ. Info: 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA : OPTICAL SOC AMER
Pages: - Volume / Issue: 50 (25) Sequence Number: - Start / End Page: 4942 - 4956 Identifier: ISSN: 1559-128X