Open access
Aug 2026
The PLACID active coronagraphic imager instrument: commissioning status
The world’s first adaptive stellar coronagraph, the Programmable Liquid-crystal Active Coronagraphic Imager for the 4-m DAG telescope (PLACID) uses a spatial light modulator operating from H- to Ks-band to dynamically adjust the focal-plane phase mask entirely in software. Positioned between the TROIA XAO system and th...
Ruben Tandon, Lucas Marquis, Liu-Rong Lin et al.
· Astronomical Telescopes + In... · 0 citations