Combining vector-phase coronagraphy with dual-beam polarimetry

摘要: Utilizing the so-called vector phase of polarized light, both focal-plane coronagraphs (e.g. Vector Vortex Coronagraph) and pupil-plane Apodizing Phase Plate) are powerful components for high-contrast imaging. These can be built optimized with polarization techniques liquid crystal technology, that enable patterning at micron level furnish broad-band performance. The contrast between residual starlight (polarized) reflected light off exoplanets further bridged by incorporating sensitive, dual-beam imaging polarimetry. As vector-phase use polarizers to enhance their performance, we introduce optimally integrated solutions combine advanced coronagraphy For VVC vAPP present beam-splitting concepts, analyzers either behind or in front coronagraphic optics. We discuss design implementation optics, set stage a trade-off improvement polarimetric performance ensuing degradation on due wavefront errors.