An apodizing phase plate coronagraph for VLT/NACO
作者： Rainer Lenzen , Matthew A. Kenworthy , Matthew A. Kenworthy , Philip M. Hinz , Markus E. Kasper
DOI: 10.1117/12.856811
关键词: Planet 、 Exoplanet 、 Image plane 、 Optics 、 Adaptive optics 、 Diffraction 、 Physics 、 Astronomy 、 Wavelength 、 Coronagraph 、 Cardinal point
摘要: We describe a coronagraphic optic for use with CONICA at the VLT that provides suppression of diffraction from 1.8 to 7 λ/D 4.05 microns, an optimal wavelength direct imaging cool extrasolar planets. The optic is designed provide 10 magnitudes contrast 0.2 arcseconds, over "D" shaped region in image plane, without need any focal plane occulting mask.
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