Experimental Verification of an Optical Vortex Coronagraph

Details Experimental Verification of an Optical Vortex Coronagraph Experimental Verification of an Optical Vortex Coronagraph

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006phrvl..97e3901l&link_type=abstract

Physical Review Letters, vol. 97, Issue 5, id. 053901

Physics

Optics

25

Fourier Optics, Diffraction And Scattering, Photometric And Spectroscopic Detection, Coronographic Detection, Interferometric Detection

Scientific paper

A coronagraph designed for high contrast imaging applications has been
experimentally tested using coherent laser light and a vortex mask of
topological charge m=2. Intensity contrast values of 95% were achieved
in this first verification of the scheme. Improvements for approaching
the theoretical value of 100% are suggested.

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