| Issue |
A&A
Volume 498, Number 3, May II 2009
|
|
|---|---|---|
| Page(s) | 931 - 947 | |
| Section | Astronomical instrumentation | |
| DOI | https://doi.org/10.1051/0004-6361/200809726 | |
| Published online | 05 March 2009 | |
The effect of the longitudinal polarization component in multi-axial nulling interferometry for exoplanet detection
Optics Research Group, Dept. of Imaging Science and Technology, Faculty of Applied Sciences, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft, The Netherlands e-mail: julspronck@gmail.com
Received:
5
March
2008
Accepted:
3
February
2009
We show a fundamental limitation of multi-axial beam combiners in nulling interferometry. The longitudinal electric field induced by the focusing optics can drastically limit the performance of such a nulling interferometer. We further analyze the filtering capabilities of a single-mode optical fiber with respect to that longitudinal field.
Key words: technique: interferometric / instrumentation: interferometers
© ESO, 2009
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