3 papers
astro-ph.IM2025
WaveDriver: a Laser Guide Star AO System for HWO
Benjamin L. Gerard, Alex Geringer-Sameth, Aditya R. Sengupta +16
HWO's Tier 1 Contrast Stability Technology Gap presents a key challenge for technology development in the coming years, requiring to a >100x more stable system than JWST. WaveDrive…
astro-ph.IM2025
Jupyter simulations Using NGS Intensity with PyWFS for REDWOODS
Joel Hurtado, Benjamin Gerard, Cesar Laguna +1
REDWOODS on ShaneAO at Lick Observatory implements a second-stage, 3-sided reflective pyramid wavefront sensor (PWFS), which, under low-light conditions, offers an improved signal-…
astro-ph.IM2025
Developments on LLNL's high contrast testbed and Lick/ShaneAO
Benjamin L. Gerard, Dominic F. Sanchez, Aditya R. Sengupta +15
LLNL has recently setup a High Contrast Testbed (HCT) for AO and exoplanet imaging technology development. We present the various HCT technologies currently under development, incl…