The alignment and phasing system for the Thirty Meter Telescope: risk mitigation and status update

Mitchell Troy; Gary Chanan; Scott Michaels; Frank Dekens; Randy Hein; Sebastian Herzig; Robert Karban; Carl Nissly; Jennifer Roberts; Michael Rud; Byoung-Joon Seo

doi:10.1117/12.2231913

27 July 2016 The alignment and phasing system for the Thirty Meter Telescope: risk mitigation and status update

Mitchell Troy, Gary Chanan, Scott Michaels, Frank Dekens, Randy Hein, Sebastian Herzig, Robert Karban, Carl Nissly, Jennifer Roberts, Michael Rud, Byoung-Joon Seo

Author Affiliations +

Proceedings Volume 9906, Ground-based and Airborne Telescopes VI; 99066A (2016) https://doi.org/10.1117/12.2231913
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

Alignment and Phasing System (APS) is responsible for the optical alignment via starlight of the approximately 12,000 degrees of freedom of the primary, secondary and tertiary mirrors of Thirty Meter Telescope (TMT). APS is based on the successful Phasing Camera System (PCS) used to align the Keck Telescopes. Since the successful APS conceptual design in 2007, work has concentrated on risk mitigation, use case generation, and alignment algorithm development and improvement. Much of the risk mitigation effort has centered around development and testing of prototype APS software which will replace the current PCS software used at Keck. We present an updated APS design, example use cases and discuss, in detail, the risk mitigation efforts.

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Mitchell Troy, Gary Chanan, Scott Michaels, Frank Dekens, Randy Hein, Sebastian Herzig, Robert Karban, Carl Nissly, Jennifer Roberts, Michael Rud, and Byoung-Joon Seo "The alignment and phasing system for the Thirty Meter Telescope: risk mitigation and status update", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99066A (27 July 2016); https://doi.org/10.1117/12.2231913

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