Exoplanet detection using a nulling interferometer

Details Exoplanet detection using a nulling interferometer Exoplanet detection using a nulling interferometer

Jul 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001oexpr...9...36c&link_type=abstract

Optics Express, vol. 9, Issue 1, p.36

Physics

Optics

2

Scientific paper

The detection of extra solar planets is a topic of growing interest, which stretches current technology and knowledge to their limits. Indirect measurement confirms the existence of a considerable number. However, direct imaging is the only way to obtain information about the nature of these planets and to detect Earth-like planets, which could support life. The main problem for direct imaging is that planets are associated with a much brighter source of light. Here, we propose the use of the nulling interferometer along with a photon counting technique called Dark Speckle. Using a simple model the behavior of the technique is predicted. The signal-to-noise ratio estimated confirms that it is a promising way to detect faint objects.

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