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Proceedings Paper

Nulling interferometry without achromatic phase shifters: latest results
Author(s): Julien Spronck; Silvania F. Pereira; Joseph J. M. Braat
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Paper Abstract

We discuss the previously-reported measurements of a three-beam nulling interferometer without achromatic phase-shifters, using delay lines only. The theoretical rejection ratio of a few thousand has not been achieved experimentally. In order to explain the obtained results, some direct spectral and polarization measurements have been performed. We present here the latest results and discuss some asymmetries in the interference patterns.

Paper Details

Date Published: 28 June 2006
PDF: 8 pages
Proc. SPIE 6268, Advances in Stellar Interferometry, 626832 (28 June 2006); doi: 10.1117/12.670303
Show Author Affiliations
Julien Spronck, Delft Univ. of Technology (Netherlands)
Silvania F. Pereira, Delft Univ. of Technology (Netherlands)
Joseph J. M. Braat, Delft Univ. of Technology (Netherlands)

Published in SPIE Proceedings Vol. 6268:
Advances in Stellar Interferometry
John D. Monnier; Markus Schöller; William C. Danchi, Editor(s)

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