Mr. Ryan Ketterer Profile

Ryan Ketterer

at NOIRLab

SPIE Involvement:

Author

Publications (4)

Proceedings Article | 25 July 2024 Poster + Paper

Cleaning a first surface bare aluminum-coated optic: a method for comparing wash types

Patrick Dunlop, Ryan Ketterer, Matthew Evatt, Bob Stupak, Chris Stone

Proceedings Volume 13098, 130982L (2024) https://doi.org/10.1117/12.3018453

KEYWORDS: Coating, Telescopes, Optical surfaces, Contamination, Reflectivity, Mirrors, Mirror surfaces, Reflector telescopes, Diffuse reflectance spectroscopy, Calibration

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Proceedings Article | 4 August 2016 Paper

iLocater: a diffraction-limited Doppler spectrometer for the Large Binocular Telescope

Justin Crepp, Jonathan Crass, David King, Andrew Bechter, Eric Bechter, Ryan Ketterer, Robert Reynolds, Philip Hinz, Derek Kopon, David Cavalieri, Louis Fantano, Corina Koca, Eleanya Onuma, Karl Stapelfeldt, Joseph Thomes, Sheila Wall, Steven Macenka, James McGuire, Ronald Korniski, Leonard Zugby, Joshua Eisner, B Gaudi, Fred Hearty, Kaitlin Kratter, Marc Kuchner, Giusi Micela, Matthew Nelson, Isabella Pagano, Andreas Quirrenbach, Christian Schwab, Michael Skrutskie, Alessandro Sozzetti, Charles Woodward, Bo Zhao

Proceedings Volume 9908, 990819 (2016) https://doi.org/10.1117/12.2233135

KEYWORDS: Adaptive optics, Doppler effect, Spectroscopy, Telescopes, Spectrographs, Adaptive optics, Space telescopes, Spectral resolution, Cameras, Single mode fibers, Planets

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Proceedings Article | 27 July 2016 Paper

On-sky single-mode fiber coupling measurements at the Large Binocular Telescope

Andrew Bechter, Jonathan Crass, Ryan Ketterer, Justin Crepp, Robert Reynolds, Eric Bechter, Philip Hinz, Fernando Pedichini, Michael Foley, Elliott Runburg, Eleanya E. Onuma, Scott Gaudi, Giuseppina Micela, Isabella Pagano, Charles Woodward

Proceedings Volume 9909, 99092X (2016) https://doi.org/10.1117/12.2233153

KEYWORDS: Adaptive optics, Single mode fibers, Telescopes, Adaptive optics, Stars, Sensors, Point spread functions, Mirrors, Back illuminated sensors, Space telescopes, Prisms

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Proceedings Article | 16 September 2015 Paper

Design of the iLocater acquisition camera demonstration system

Andrew Bechter, Jonathan Crass, Ryan Ketterer, Justin Crepp, David King, Bo Zhao, Robert Reynolds, Phil Hinz, Jack Brooks, Eric Bechter

Proceedings Volume 9605, 96051U (2015) https://doi.org/10.1117/12.2188426

KEYWORDS: Single mode fibers, Adaptive optics, Imaging systems, Cameras, Telescopes, Mirrors, Stars, Spectrometers, Spectrographs, Computer aided design

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