Mr. Eric Williams Profile

Eric Williams

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Author

Publications (5)

Proceedings Article | 5 August 2010 Paper

Dynamic characterization of a prototype of the Thirty Meter Telescope primary segment assembly

Martin Regehr, Peter Thompson, M. Mark Colavita, James Moore, Mark Sirota, Eric Williams

Proceedings Volume 7733, 77332G (2010) https://doi.org/10.1117/12.858155

KEYWORDS: Actuators, Mirrors, Data modeling, Optical benches, Servomechanisms, Finite element methods, Calibration, Prototyping, Motion models, Thirty Meter Telescope

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Proceedings Article | 1 October 2009 Paper

Investigation of primary mirror segment's residual errors for the Thirty Meter Telescope

Byoung-Joon Seo, Carl Nissly, George Angeli, Doug MacMynowski, Norbert Sigrist, Mitchell Troy, Eric Williams

Proceedings Volume 7427, 74270F (2009) https://doi.org/10.1117/12.828046

KEYWORDS: Actuators, Wavefronts, Mirrors, Wavefront sensors, Telescopes, Image segmentation, Systems modeling, Sensors, Surface finishing, Thirty Meter Telescope

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Proceedings Article | 23 July 2008 Paper

Primary mirror segmentation studies for the Thirty Meter Telescope

Curtis Baffes, Terry Mast, Jerry Nelson, Eric Ponslet, Vince Stephens, Larry Stepp, Eric Williams

Proceedings Volume 7018, 70180S (2008) https://doi.org/10.1117/12.790206

KEYWORDS: Mirrors, Telescopes, Mirror pointing, Interfaces, Error analysis, Glasses, Actuators, Astronomy, Stars, Thirty Meter Telescope

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Proceedings Article | 23 July 2008 Paper

Advancement of the segment support system for the Thirty Meter Telescope primary mirror

Eric Williams, Curtis Baffes, Terry Mast, Jerry Nelson, Benjamin Platt, R. J. Ponchione, Eric Ponslet, Shahriar Setoodeh, Mark Sirota, Vince Stephens, Larry Stepp, Alan Tubb

Proceedings Volume 7018, 701810 (2008) https://doi.org/10.1117/12.790176

KEYWORDS: Distortion, Mirrors, Monochromatic aberrations, Convolution, Glasses, Telescopes, Interfaces, Thermography, Actuators, Photovoltaics

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Proceedings Article | 6 July 2006 Paper

Development of the primary mirror segment support assemblies for the Thirty Meter Telescope

Eric Ponslet, Dan Blanco, Myung Cho, Terry Mast, Jerry Nelson, R. J. Ponchione, Mark Sirota, Vince Stephens, Larry Stepp, Alan Tubb, Eric Williams

Proceedings Volume 6273, 627319 (2006) https://doi.org/10.1117/12.670604

KEYWORDS: Actuators, Mirrors, Telescopes, Glasses, Monochromatic aberrations, Optical instrument design, Space telescopes, Phase modulation, Error analysis, Thirty Meter Telescope

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