Nulling interferometry without achromatic phase shifters: latest results

被引：1
|
作者：
Spronck, Julien [1 ]
Pereira, Silvania F. [1 ]
Braat, Joseph J. M. [1 ]
机构：
[1] Delft Univ Technol, Fac Sci Appl, Opt Res Grp, Lorentzweg 1, NL-2628 CJ Delft, Netherlands
来源：
ADVANCES IN STELLAR INTERFEROMETRY PTS 1 AND 2 | 2006年 / 6268卷
关键词：
interferometry; astronomical optics; nulling;
D O I：
10.1117/12.670303
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
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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页数：8
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