Coronagraph Methods on Precise Wavefront Compensation (UNI-PAC) and Deep Achromatic Nulling

Details Coronagraph Methods on Precise Wavefront Compensation (UNI-PAC) and Deep Achromatic Nulling Coronagraph Methods on Precise Wavefront Compensation (UNI-PAC) and Deep Achromatic Nulling

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1158..365n&link_type=abstract

EXOPLANETS AND DISKS: THEIR FORMATION AND DIVERSITY: Proceedings of the International Conference. AIP Conference Proceedings, V

Physics

Optics

Adaptive And Segmented Optics, Interferometry, Substellar Companions, Planets

Scientific paper

We present our recent progress in the development of two novel coronagraphs: an eight-octant phase-mask (8OPM) coronagraph and a tandem common-path achromatic interfero-coronagraph (TCP-AIC). These methods have 4th-order responses to tip-tilt errors, and can realize deep stellar suppressions for partially resolved stars. We report principles, numerical simulations and laboratory demonstrations of the proposed methods.

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