Nulling interferometry without achromatic phase shifters: latest results | Zendy

J. F. P. Spronck | Zendy; Silvania F. Pereira | Zendy; Joseph J. M. Braat | Zendy

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Nulling interferometry without achromatic phase shifters: latest results

Author(s) -

J. F. P. Spronck,

Silvania F. Pereira,

Joseph J. M. Braat

Publication year - 2006

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.670303

Subject(s) - achromatic lens , interferometry , optics , interference (communication) , physics , polarization (electrochemistry) , phase (matter) , astronomical interferometer , computer science , telecommunications , channel (broadcasting) , chemistry , quantum mechanics

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.

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