Mr. Steven Gunnels Profile

Steven Gunnels

Consulting Engineer at Paragon Engineering

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Author

Publications (14)

Proceedings Article | 27 July 2016 Paper

Nonlinear transient survival level seismic finite element analysis of Magellan ground based telescope

Matt Griebel, Christine Buleri, Andrew Baylor, Steve Gunnels, Charlie Hull, Povilas Palunas, Mark Phillips

Proceedings Volume 9906, 99061N (2016) https://doi.org/10.1117/12.2230725

KEYWORDS: Telescopes, Earthquakes, Finite element methods, Observatories, Transient nonlinear optics, Mirrors, Finite element methods, Connectors, Near infrared, Polonium, Liquid crystal on silicon

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Proceedings Article | 22 July 2014 Paper

Design of the Giant Magellan Telescope

Matt Johns, Charles Hull, Gary Muller, Ben Irarrazaval, Antonin Bouchez, Tomas Chylek, Cary Smith, Abhijit Wadhavkar, Bruce Bigelow, Steven Gunnels, Brian McLeod, Christine Buleri

Proceedings Volume 9145, 91451F (2014) https://doi.org/10.1117/12.2057286

KEYWORDS: Mirrors, Telescopes, Image segmentation, Adaptive optics, Space telescopes, Actuators, Optical instrument design, Wavefront sensors, Control systems, Finite element methods

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Proceedings Article | 22 July 2014 Paper

The Giant Magellan telescope (GMT): Gregorian instrument rotator bearing

Steve Gunnels

Proceedings Volume 9145, 91455E (2014) https://doi.org/10.1117/12.2057567

KEYWORDS: Telescopes, Manufacturing, Space telescopes, Interfaces, Contamination, Assembly equipment, Kinematics, Safety, Astronomy, Mirrors

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Proceedings Article | 24 September 2012 Paper

M2FS: the Michigan/Magellan Fiber System

Mario Mateo, John Bailey, Jeffrey Crane, Stephen Shectman, Ian Thompson, Ian Roederer, Bruce Bigelow, Steve Gunnels

Proceedings Volume 8446, 84464Y (2012) https://doi.org/10.1117/12.926448

KEYWORDS: Telescopes, Spectrographs, Structured optical fibers, Calibration, Stars, Lamps, Cameras, Control systems, Imaging systems, Mirrors

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Proceedings Article | 17 September 2012 Paper

Progress on the structural and mechanical design of the Giant Magellan Telescope

Michael Sheehan, Steve Gunnels, Charles Hull, Jonathan Kern, Carey Smith, Matt Johns, Stephen Shectman

Proceedings Volume 8444, 84440N (2012) https://doi.org/10.1117/12.926469

KEYWORDS: Mirrors, Telescopes, Interfaces, Space telescopes, Off axis mirrors, Actuators, Mirror structures, Adaptive optics, Optical instrument design, Connectors

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Proceedings Article | 7 August 2010 Paper

The Giant Magellan Telescope (GMT): hydrostatic constraints

Steve Gunnels

Proceedings Volume 7733, 77334Z (2010) https://doi.org/10.1117/12.857513

KEYWORDS: Telescopes, Kinematics, Manufacturing, Optical instrument design, Large telescopes, Solids, Structural design, Beam shaping, Laser metrology, Failure analysis

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Proceedings Article | 4 August 2010 Paper

Giant Magellan Telescope primary mirror cells

Charlie Hull, Steven Gunnels, Matt Johns, Jonathan Kern, Amnon Talmor, Michael Ward, Stephen Shectman

Proceedings Volume 7733, 773327 (2010) https://doi.org/10.1117/12.857843

KEYWORDS: Mirrors, Actuators, Telescopes, Fluctuations and noise, Active optics, Connectors, Off axis mirrors, Servomechanisms, Control systems, Space telescopes

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Proceedings Article | 10 July 2008 Paper

The Giant Magellan Telescope (GMT): structure design update

Steven Gunnels, Frank Kan, Andrew Sarawit

Proceedings Volume 7012, 70122F (2008) https://doi.org/10.1117/12.789459

KEYWORDS: Telescopes, Space telescopes, Mirrors, Optical instrument design, Error analysis, Structural design, Finite element methods, Mirror structures, Laser systems engineering, Adaptive optics

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Proceedings Article | 30 September 2004 Paper

PANIC: a near-infrared camera for the Magellan telescopes

Paul Martini, S. Persson, David Murphy, Christoph Birk, Stephen Shectman, Steve Gunnels, Erich Koch

Proceedings Volume 5492, (2004) https://doi.org/10.1117/12.551828

KEYWORDS: Telescopes, Sensors, Cameras, Image quality, Observatories, Near infrared, Data analysis, Image quality standards, Infrared radiation, Optical design

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Proceedings Article | 29 September 2004 Paper

The Giant Magellan Telescope (GMT) structure

Steve Gunnels, Warren Davison, Brian Cuerden, Edward Hertz

Proceedings Volume 5495, (2004) https://doi.org/10.1117/12.550266

KEYWORDS: Mirrors, Telescopes, Space telescopes, Interfaces, Optical instrument design, Fourier transforms, Finite element methods, Capillaries, Observatories, Connectors

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Proceedings Article | 7 March 2003 Paper

MIKE: a double-echelle spectrograph for the Magellan Telescopes at Las Campanas Observatory

Rebecca Bernstein, Stephen Shectman, Steven Gunnels, Stefan Mochnacki, Alex Athey

Proceedings Volume 4841, (2003) https://doi.org/10.1117/12.461502

KEYWORDS: Cameras, Prisms, Telescopes, Glasses, Charge-coupled devices, Spectrographs, Observatories, Optical benches, Lanthanum, Lenses

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Proceedings Article | 30 January 2002 Paper

Volume-phase holographic spectrograph for the Magellan telescopes

Gary Bernstein, Alex Athey, Rebecca Bernstein, Steven Gunnels, Douglas Richstone, Stephen Shectman

Proceedings Volume 4485, (2002) https://doi.org/10.1117/12.454281

KEYWORDS: Spectrographs, Mirrors, Cameras, Optical design, Telescopes, Volume holography, Holography, Astronomy, Sensors, Charge-coupled devices

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Proceedings Article | 1 June 1994 Paper

Design of the Magellan Project 6.5-meter telescope: telescope structure and mechanical systems

Steven Gunnels, David Carr

Proceedings Volume 2199, (1994) https://doi.org/10.1117/12.176208

KEYWORDS: Actuators, Telescopes, Mirrors, Computer programming, Optical instrument design, Manufacturing, Control systems, Observatories, Structural design, Prototyping

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Proceedings Article | 1 July 1990 Paper

Detail design problems and their solutions: Apache Point Observatory 3.5-m telescope

Steven Gunnels

Proceedings Volume 1236, (1990) https://doi.org/10.1117/12.19255

KEYWORDS: Telescopes, Mirrors, Spherical lenses, Space telescopes, Optical instrument design, Optical telescopes, Manufacturing, Camera shutters, Observatories, Actuators

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Showing 5 of 14 publications

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