activity
20072026
most citedFirst Frontier Field Constraints on the Cosmic Star-Formation Rate Density at z~10 - The Impact of Lensing Shear on Completeness of High-Redshift Galaxy Samples

142 citations · 2.3k across the 65 of their papers we have counts for

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18 papers · 1 filter

astro-ph.IM2026

Initial modeling and testbed feasibility studies of WaveDriver: a laser guide star AO system for HWO

Dominic F. Sanchez, Benjamin L. Gerard, Peter Waswa +16

The Habitable Worlds Observatory (HWO) will require greater wavefront stability than achieved by JWST, pushing conventional telescope architectures to picometer-level…

astro-ph.IM2026

WaveDriver: a Laser Guide Star AO System for HWO

Benjamin L. Gerard, Alex Geringer-Sameth, Aditya R. Sengupta +7

Habitable Worlds Observatory (HWO) presents a key challenge for technology development in the coming years, requiring a more stable system than \textit{JWST}. WaveD…

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

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…

astro-ph.IM2024

GPI 2.0: Exploring The Impact of Different Readout Modes on the Wavefront Sensor's EMCCD

Clarissa R. Do Ó, Saavidra Perera, Jérôme Maire +26

The Gemini Planet Imager (GPI) is a high contrast imaging instrument that aims to detect and characterize extrasolar planets. GPI is being upgraded to GPI 2.0, with several subsyst…

astro-ph.IM2024

The Focal-plane Actualized Shifted Technique Realized for a Shack Hartmann Wavefront Sensor (fastrSHWFS)

Benjamin L. Gerard, Aaron Lemmer, Bautista R. Fernandez +6

Astronomical adaptive optics (AO) is a critical approach to enable ground-based diffraction-limited imaging and high contrast science, with the potential to enable habitable exopla…