Sam Ragland

W.M. Keck Observatory — United States

Physics and Astronomy · Physical Sciences

25h-index2.1kcitations198works0.72yr avg
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Research Topics

Adaptive optics and wavefront sensing(95), Stellar, planetary, and galactic studies(92), Astronomy and Astrophysical Research(51), Astrophysics and Star Formation Studies(41), Optical Systems and Laser Technology(40)

Publications198 total

ORCAS Keck instrument demonstrator
Journal of Astronomical Telescopes Instruments and Systems·2025
Simultaneous operation of a controllable segmented primary mirror and single conjugate adaptive optics system, part 2: simulated operation
Journal of Astronomical Telescopes Instruments and Systems·2025Open Access
The Simultaneous Operation of a Controllable Segmented Primary Mirror and Single Conjugate Adaptive Optics System part 2 -- Simulated Operation
ArXiv.org·2025Open Access
Emerging adaptive optics facility at Large Binocular Telescope Observatory
2024· 2 cited
AI-powered low-order focal plane wavefront sensing in infrared
2024Open Access
Adaptive secondary mirrors at the Large Binocular Telescope recent updates
2024· 1 cited
Enabling the next generation of Keck AO with the real time controller upgrade
2024
First light with ORKID, a pathfinder diffraction-limited visible-light camera at the WM Keck Observatory
2024
The instrumentation program at the Large Binocular Telescope Observatory in 2024
2024· 1 cited
ORCAS Keck mission and instrument development
2024
The instrumentation program at the Large Binocular Telescope Observatory in 2024
arXiv (Cornell University)·2024Open Access
Pele meets Pillan:  Demonstration of a new method for monitoring surface changes on Io
2024Open Access
Enhanced seeing mode at the Large Binocular Telescope Observatory
2024
Turbulence monitoring at the Large Binocular Telescope: current status and ongoing developments
2024· 1 cited
On-sky performance metric parametrization at LBTO pyramid WFS
2024· 1 cited
AO functionalities improvements with the adaptive secondary mirrors at the Large Binocular Telescope
2024· 1 cited
Observation of Io's Resurfacing via Plume Deposition Using Ground‐Based Adaptive Optics at Visible Wavelengths With LBT SHARK‐VIS
Geophysical Research Letters·2024· 5 citedOpen Access
LBT SHARK-VIS Observes a Major Resurfacing Event on Io
arXiv (Cornell University)·2024Open Access
Strategies and considerations for the on-sky implementation of the controllable segmented primary mirror with AO WFS feedback
2023· 2 cited
W. M. Keck observatory instrumentation status and future direction
Astronomische Nachrichten·2023· 1 cited
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Frequent Co-authors

Peter Wizinowich(27), R. Millan‐Gabet(20), Wesley A. Traub(14), Sylvain Cetre(14), John D. Monnier(13), Charlotte Z. Bond(12), Dimitri Mawet(11), M. M. Colavita(10), Jean-Philippe Berger(10), M. G. Lacasse(10), J. Kent Wallace(10), Rachel Akeson(10), Eugene Serabyn(9), W. C. Danchi(9), J. Woillez(9), E. Pedretti(9), Michael P. Fitzgerald(9), Nemanja Jovanović(9), N. P. Carleton(8), Randall Bartos(8)