Mr. Graham Cranston Profile

Graham Cranston

at DNV

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Publications (2)

Proceedings Article | 8 August 2016 Paper

Concept design for seismic upgrade of Keck telescopes

Frank Kan, Samuel Park, Andrew Sarawit, P. Graham Cranston

Proceedings Volume 9906, 99061H (2016) https://doi.org/10.1117/12.2233945

KEYWORDS: Thirty Meter Telescope, Telescopes, Optical instrument design, Keck Observatory, Earthquakes, Computer programming, Finite element methods, Safety, Mirrors, Motion analysis

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Proceedings Article | 8 August 2016 Paper

Keck primary mirror figure changes from mirror support repairs

P. Graham Cranston, Dennis McBride, Andrew Sarawit, Frank Kan

Proceedings Volume 9906, 99061G (2016) https://doi.org/10.1117/12.2233937

KEYWORDS: Mirrors, Finite element methods, Telescopes, Glasses, Adhesives, Monochromatic aberrations, Spherical lenses, Zernike polynomials, Chemical elements, Sensors

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