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astro-ph.IM2026
Active focal plane phase mask coronagraphy with a discrete pixelated device: I. Study of the theoretical performance trade space
Liurong Lin, Axel Potier, Ruben Tandon +2
Recent advances in high-contrast exoplanet imaging instrumentation have introduced the concept of adaptive coronagraphy. For example, liquid-crystal-on-silicon spatial light modula…
astro-ph.IM2026
The PLACID active coronagraphic imager instrument: commissioning status
Ruben Tandon, Lucas Marquis, Liurong Lin +9
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 operat…
astro-ph.IM2026
Design and implementation of an SLM-driven coherent differential imaging scheme
L. Lin, L. Marquis, R. Tandon +1
Direct imaging of exoplanets from the ground remains fundamentally limited by fast-evolving post-adaptive optics (AO) residual wavefront errors, and by quasi-static speckles arisin…