Mr. Dennis Egan Profile

Dennis Egan

Mechanical Division Head at National Radio Astronomy Observatory

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Publications (6)

Proceedings Article | 13 December 2020 Poster + Paper

The laser antenna surface scanning instrument

Pedro Salas, Paul Marganian, Joseph Brandt, John Shelton, Nathan Sharp, Dennis Egan, Nathaniel Sizemore, Carla Beaudet, Laura Jensen, Marty Bloss, Andrew Seymour, Frederic Schwab, Felix Lockman

Proceedings Volume 11445, 114456C (2020) https://doi.org/10.1117/12.2560393

KEYWORDS: Antennas, Telescopes, Actuators, Holography, Laser scanners, Clouds

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Proceedings Article | 23 July 2014 Paper

Argus: a 16-pixel millimeter-wave spectrometer for the Green Bank Telescope

Matthew Sieth, Kiruthika Devaraj, Patricia Voll, Sarah Church, Rohit Gawande, Kieran Cleary, Anthony C. Readhead, Pekka Kangaslahti, Lorene Samoska, Todd Gaier, Paul Goldsmith, Andrew Harris, Joshua Gundersen, David Frayer, Steve White, Dennis Egan, Rodrigo Reeves

Proceedings Volume 9153, 91530P (2014) https://doi.org/10.1117/12.2055655

KEYWORDS: Receivers, Prototyping, Flexible circuits, Connectors, Amplifiers, Computer aided design, Spectroscopy, Stars, Telescopes, Spatial resolution

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Proceedings Article | 23 July 2014 Paper

MUSTANG2: a large focal plan array for the 100 meter Green Bank Telescope

S. Dicker, P. A. Ade, J. Aguirre, J. Brevik, H. Cho, R. Datta, M. Devlin, B. Dober, D. Egan, J. Ford, P. Ford, G. Hilton, J. Hubmayr, K. Irwin, B. Mason, P. Marganian, M. Mello, J. McMahon, T. Mroczkowski, C. Romero, S. Stanchfield, C. Tucker, L. Vale, S. White, M. Whitehead, A. Young

Proceedings Volume 9153, 91530J (2014) https://doi.org/10.1117/12.2056455

KEYWORDS: Sensors, Telescopes, Space telescopes, Bolometers, Receivers, Signal to noise ratio, Multiplexing, Cryogenics, Astronomy, Signal detection

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Proceedings Article | 10 November 2011 Paper

Track creep: experience, modeling efforts, and consequences of work done at the 100 meter Green Bank Telescope

Dennis Egan

Proceedings Volume 8336, 83360M (2011) https://doi.org/10.1117/12.915263

KEYWORDS: Telescopes, Motion models, Systems modeling, Wave plates, Head, Mechanics, Resistance, Numerical analysis, In situ metrology, Astronomical telescopes

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Proceedings Article | 10 July 2008 Paper

Improving the service life of the 100-meter Green Bank Telescope azimuth track

Arthur Symmes, Robert Anderson, Dennis Egan

Proceedings Volume 7012, 701238 (2008) https://doi.org/10.1117/12.784935

KEYWORDS: Finite element methods, Telescopes, Cements, Inspection, Antennas, Composites, Chronology, Interfaces, Stress analysis, Astronomical telescopes

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Proceedings Article | 10 July 2008 Paper

Replacement of the Green Bank Telescope azimuth track

Robert Anderson, Arthur Symmes, Dennis Egan

Proceedings Volume 7012, 701237 (2008) https://doi.org/10.1117/12.784807

KEYWORDS: Telescopes, Californium, Distortion, Connectors, Epoxies, Inspection, Manufacturing, Failure analysis, Optical instrument design, Cements

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Showing 5 of 6 publications

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