Nulling interferometry for exoplanet detection using polarization properties

Conference paper (2006)
Department
Optics Research Groep (AS) (TU Delft)
Copyright: ©2006 Spronck, J., Pereira, S.F., Braat, J.J.M.
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Published Date

23-06-2006

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Source:

Proceedings of SPIE, 2006 vol. 6268

Faculty

Applied Sciences

Department

Optics Research Groep

Abstract

We present a new type of nulling interferometer that makes use of polarization properties to have on-axis destructive interference. The proposed design, which only involves commercial components and no achromatic device, is also suitable for internal modulation. This type of interferometer should enable a high rejection ratio in a theoretically unlimited spectral band. We implemented that concept on a two-beam white-light interferometer and we present here the first experimental results