Vector APP
A broadband vector APP tested in the laboratory in Leiden that was one of the subjects of my PhD thesis. Image credit: Gilles Otten.
The vector Apodizing Phase Plate is a coronagraph that uses a multi-layered patterned liquid crystal device to produce an achromatic phase response that spans up to one order of magnitude. The picture above shows a prototype that was specced to operate from 500-900 nm.
Gilles P.P.L. Otten
Support Scientist
My research interests include high contrast imaging, high resolution spectroscopy and interferometry.