Prof. Scott A. Severson Profile

Prof. Scott A. Severson

at Sonoma State Univ

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 21 July 2014 Paper

Paper

KAPAO first light: the design, construction and operation of a low-cost natural guide star adaptive optics system

Scott Severson, Philip Choi, Katherine Badham, Dalton Bolger, Daniel Contreras, Blaine Gilbreth, Christian Guerrero, Erik Littleton, Joseph Long, Lorcan McGonigle, William Morrison, Fernando Ortega, Alex Rudy, Jonathan Wong, Erik Spjut, Christoph Baranec, Reed Riddle

Proceedings Volume 9148, 914839 (2014) https://doi.org/10.1117/12.2056961

KEYWORDS: Adaptive optics, Telescopes, Cameras, Mirrors, Microelectromechanical systems, Time multiplexed optical shutter, Computer aided design, Wavefront sensors, Control systems, Optical instrument design

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Proceedings Article | 5 March 2013 Paper

Paper

KAPAO: a MEMS-based natural guide star adaptive optics system

Scott Severson, Philip Choi, Daniel Contreras, Blaine Gilbreth, Erik Littleton, Lorcan McGonigle, William Morrison, Alex Rudy, Jonathan Wong, Andrew Xue, Erik Spjut, Christoph Baranec, Reed Riddle

Proceedings Volume 8617, 861709 (2013) https://doi.org/10.1117/12.2005959

KEYWORDS: Adaptive optics, Telescopes, Microelectromechanical systems, Cameras, Prototyping, Mirrors, Stars, Time multiplexed optical shutter, Imaging systems, Deformable mirrors

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Proceedings Article | 15 February 2012 Paper

Paper

MEMS practice: from the lab to the telescope

Katie Morzinski, Andrew Norton, Julia Evans, Layra Reza, Scott Severson, Daren Dillon, Marc Reinig, Donald Gavel, Steven Cornelissen, Bruce Macintosh, Claire Max

Proceedings Volume 8253, 825304 (2012) https://doi.org/10.1117/12.910964

KEYWORDS: Microelectromechanical systems, Actuators, Adaptive optics, Gemini Planet Imager, Telescopes, Deformable mirrors, Calibration, Humidity, Inspection, Wavefronts

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Proceedings Article | 23 July 2008 Paper

Paper

ViLLaGEs: opto-mechanical design of an on-sky visible-light MEMS-based AO system

Bryant Grigsby, Chris Lockwood, Brian Baumann, Don Gavel, Jess Johnson, S. Mark Ammons, Daren Dillon, Katie Morzinski, Marc Reinig, Dave Palmer, Scott Severson, Elinor Gates

Proceedings Volume 7018, 701841 (2008) https://doi.org/10.1117/12.790166

KEYWORDS: Telescopes, Adaptive optics, Microelectromechanical systems, Stars, Cameras, Observatories, Nickel, Mirrors, Optical benches, Wavefront sensors

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Proceedings Article | 7 July 2008 Paper

Paper

Visible light laser guidestar experimental system (Villages): on-sky tests of new technologies for visible wavelength all-sky coverage adaptive optics systems

Donald Gavel, S. Mark Ammons, Brian Bauman, Daren Dillon, Elinor Gates, Bryant Grigsby, Jess Johnson, Chris Lockwood, Kathleen Morzinski, David Palmer, Marc Reinig, Scott Severson

Proceedings Volume 7015, 70150G (2008) https://doi.org/10.1117/12.790228

KEYWORDS: Adaptive optics, Wavefront sensors, Stars, Laser guide stars, Wavefronts, Sensors, Telescopes, Microelectromechanical systems, Sodium, Pulsed laser operation

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Proceedings Article | 6 February 2008 Paper

Paper

Villages: an on-sky visible wavelength astronomy AO experiment using a MEMS deformable mirror

Donald Gavel, Scott Severson, Brian Bauman, Daren Dillon, Marco Reinig, Christopher Lockwood, Dave Palmer, Kathleen Morzinski, S. Mark Ammons, Elinor Gates, Bryant Grigsby

Proceedings Volume 6888, 688804 (2008) https://doi.org/10.1117/12.772406

KEYWORDS: Microelectromechanical systems, Adaptive optics, Deformable mirrors, Telescopes, Wavefronts, Nickel, Laser guide stars, Wavefront sensors, Actuators, Cameras

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Proceedings Article | 28 June 2006 Paper

Paper

The Extreme Adaptive Optics Testbed at UCSC: current results and coronagraphic upgrade

Scott Severson, Brian Bauman, Daren Dillon, Julia Evans, Don Gavel, Bruce Macintosh, Katie Morzinski, Dave Palmer, Lisa Poyneer

Proceedings Volume 6272, 62722J (2006) https://doi.org/10.1117/12.672341

KEYWORDS: Wavefronts, Microelectromechanical systems, Actuators, Coronagraphy, Adaptive optics, Gemini Planet Imager, Wavefront sensors, Spatial frequencies, Optical testing, Point spread functions

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Proceedings Article | 28 June 2006 Paper

Paper

Characterizing the potential of MEMS deformable mirrors for astronomical adaptive optics

Katie Morzinski, Julia Evans, Scott Severson, Bruce Macintosh, Daren Dillon, Don Gavel, Claire Max, Dave Palmer

Proceedings Volume 6272, 627221 (2006) https://doi.org/10.1117/12.672470

KEYWORDS: Actuators, Microelectromechanical systems, Spatial frequencies, Deformable mirrors, Adaptive optics, Mirrors, Wavefronts, Gemini Planet Imager, Optical testing, Surface finishing

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Proceedings Article | 27 June 2006 Paper

Paper

Wavefront control for the Gemini Planet Imager

Lisa Poyneer, Jean-Pierre Véran, Daren Dillon, Scott Severson, Bruce Macintosh

Proceedings Volume 6272, 62721N (2006) https://doi.org/10.1117/12.672328

KEYWORDS: Microelectromechanical systems, Actuators, Charge-coupled devices, Gemini Planet Imager, Calibration, Wavefronts, Adaptive optics, Control systems, Wavefront sensors, Spatial frequencies

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Proceedings Article | 23 January 2006 Paper

Paper

Extreme adaptive optics testbed: performance and characterization of a 1024-MEMS deformable mirror

Julia Evans, Katie Morzinski, Scott Severson, Lisa Poyneer, Bruce Macintosh, Daren Dillon, Layra Reza, Donald Gavel, David Palmer, Scot Olivier, Paul Bierden

Proceedings Volume 6113, 61130I (2006) https://doi.org/10.1117/12.648977

KEYWORDS: Actuators, Microelectromechanical systems, Wavefronts, Adaptive optics, Deformable mirrors, Spatial frequencies, Electronics, Optical testing, Interferometers, Diffraction

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Proceedings Article | 15 September 2005 Paper

Paper

Extreme adaptive optics testbed: high contrast measurements with a MEMS deformable mirror

Julia Evans, Katie Morzinski, Layra Reza, Scott Severson, Lisa Poyneer, Bruce Macintosh, Daren Dillon, Gary Sommargren, David Palmer, Don Gavel, Scot Olivier

Proceedings Volume 5905, 59050Y (2005) https://doi.org/10.1117/12.619140

KEYWORDS: Actuators, Wavefronts, Microelectromechanical systems, Adaptive optics, Deformable mirrors, Diffraction, Optical testing, Spatial frequencies, Point spread functions, Imaging systems

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Proceedings Article | 25 October 2004 Paper

Paper

Extreme adaptive optics testbed: results and future work

Julia Wilhelmsen Evans, Gary Sommargren, Lisa Poyneer, Bruce Macintosh, Scott Severson, Daren Dillon, Andrew Sheinis, Dave Palmer, N. Jeremy Kasdin, Scot Olivier

Proceedings Volume 5490, (2004) https://doi.org/10.1117/12.551762

KEYWORDS: Wavefronts, Adaptive optics, Microelectromechanical systems, Diffraction, Optical testing, Point spread functions, Control systems, Phase shifting, Interferometers, Deformable mirrors

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Proceedings Article | 25 October 2004 Paper

Paper

eXtreme Adaptive Optics Planet Imager: overview and status

Bruce Macintosh, Brian Bauman, Julia Wilhelmsen Evans, James Graham, Christopher Lockwood, Lisa Poyneer, Daren Dillon, Don Gavel, Joseph Green, James Lloyd, Russell Makidon, Scot Olivier, Dave Palmer, Marshall Perrin, Scott Severson, Andrew Sheinis, Anand Sivaramakrishnan, Gary Sommargren, Remi Soummer, Mitchell Troy, J. Kent Wallace, Edward Wishnow

Proceedings Volume 5490, (2004) https://doi.org/10.1117/12.552188

KEYWORDS: Adaptive optics, Point spread functions, Wavefronts, Planets, Coronagraphy, Wavefront sensors, Telescopes, Stars, Imaging systems, Calibration

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Proceedings Article | 19 November 2003 Paper

Paper

Extreme adaptive optics planet imager: XAOPI

Bruce Macintosh, James Graham, Lisa Poyneer, Gary Sommargren, Julia Wilhelmsen, Don Gavel, Steve Jones, Paul Kalas, James Lloyd, Russ Makidon, Scot Olivier, Dave Palmer, Jennifer Patience, Marshall Perrin, Scott Severson, Andrew Sheinis, Anand Sivaramakrishnan, Mitch Troy, J. Wallace

Proceedings Volume 5170, (2003) https://doi.org/10.1117/12.506836

KEYWORDS: Wavefronts, Adaptive optics, Wavefront sensors, Planets, Imaging systems, Coronagraphy, Point spread functions, Stars, Telescopes, Mirrors

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Proceedings Article | 7 February 2003 Paper

Paper

Recent science and engineering results with the laser guide star adaptive optics system at Lick Observatory

Donald Gavel, Elinor Gates, Claire Max, Scot Olivier, Brian Bauman, Deanna Pennington, Bruce Macintosh, Jennifer Patience, Curtis Brown, Pamela Danforth, Randall Hurd, Scott Severson, James Lloyd

Proceedings Volume 4839, (2003) https://doi.org/10.1117/12.459680

KEYWORDS: Adaptive optics, Laser guide stars, Stars, Cameras, Observatories, Telescopes, Infrared cameras, K band, Diagnostics, Imaging systems

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Proceedings Article | 4 February 2002 Paper

Paper

Science with laser guide stars at Lick Observatory

Donald Gavel, Claire Max, Scot Olivier, Brian Bauman, Deanna Pennington, Bruce Macintosh, Jennifer Patience, Curtis Brown, Pamela Danforth, Randall Hurd, Elinor Gates, Scott Severson, James Lloyd

Proceedings Volume 4494, (2002) https://doi.org/10.1117/12.454808

KEYWORDS: Stars, Adaptive optics, Laser guide stars, Cameras, Galactic astronomy, Telescopes, Wavefront sensors, Sensors, Observatories, K band

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Proceedings Article | 16 August 2000 Paper

Paper

IRCAL: the infrared camera for adaptive optics at Lick Observatory

James Lloyd, Michael Liu, Bruce Macintosh, Scott Severson, William Deich, James Graham

Proceedings Volume 4008, (2000) https://doi.org/10.1117/12.395540

KEYWORDS: Adaptive optics, Telescopes, Sensors, Cameras, Imaging systems, Observatories, Infrared cameras, Human-machine interfaces, Diffraction, Mirrors

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Showing 5 of 17 publications

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