A fast variable wavelength interferometer

Dariusz Litwin; Kamil Radziak; Jacek Galas

doi:10.1117/12.2580386

14 October 2020 A fast variable wavelength interferometer

Dariusz Litwin, Kamil Radziak, Jacek Galas

Proceedings Volume 11581, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2020; 115810O (2020) https://doi.org/10.1117/12.2580386
Event: Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2020, 2020, Wilga, Poland

Abstract

The paper describes a new design of the classical variable wavelength interferometer that uses a continuously tuned light source. In the presented solution there is no need to sequentially record the images. The fringe field analysis is based on a single image. It can be implemented in either transmitted or reflected-light modes. In this paper we demonstrate its usefulness in measuring optical elements like retarders. The key element of novelty consists in the fast analysis of the single interferogram, which enables the instrument to be used in an industrial environment.

Citation Download Citation

Dariusz Litwin, Kamil Radziak, and Jacek Galas "A fast variable wavelength interferometer", Proc. SPIE 11581, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2020, 115810O (14 October 2020); https://doi.org/10.1117/12.2580386

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