Expected Performance of a Self-Coherent Camera

Details Expected Performance of a Self-Coherent Camera Expected Performance of a Self-Coherent Camera

2007-07-24

arxiv.org/abs/0707.3508v1

Comptes Rendus Physique 8:333-339,2007

Astronomy and Astrophysics

Astrophysics

6 pages, 4 figures

Scientific paper

10.1016/j.crhy.2007.03.004

Residual wavefront errors in optical elements limit the performance of coronagraphs. To improve their efficiency, different types of devices have been proposed to correct or calibrate these errors. In this paper, we study one of these techniques proposed by Baudoz et al. 2006 and called Self-Coherent Camera (SCC). The principle of this instrument is based on the lack of coherence between the stellar light and the planet that is searched for. After recalling the principle of the SCC, we simulate its performance under realistic conditions and compare it with the performance of differential imaging.

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