Speckle-phase measurement in a tandem-vortex coronagraph

Eugene Serabyn; J Kent Wallace; Dimitri Mawet

doi:10.1364/AO.50.005453

Speckle-phase measurement in a tandem-vortex coronagraph

Appl Opt. 2011 Oct 1;50(28):5453-6. doi: 10.1364/AO.50.005453.

Authors

Eugene Serabyn¹, J Kent Wallace, Dimitri Mawet

Affiliation

¹ Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA. gene.serabyn@jpl.nasa.gov

PMID: 22016212
DOI: 10.1364/AO.50.005453

Abstract

A tandem-vortex coronagraph can in theory enable high-contrast imaging behind a classical on-axis telescope. Here we point out that a tandem-vortex coronagraph configuration can also directly enable the measurement of the phases of focal-plane speckles, thereby allowing for their suppression in the resultant high-contrast image.