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Proceedings Paper

The Infrared Imaging Spectrograph (IRIS) for TMT: on-instrument wavefront sensors (OIWFS) and NFIRAOS interface
Author(s): David Loop; Vlad Reshetov; Murray Fletcher; Robert Wooff; Jennifer Dunn; Anna Moore; Roger Smith; David Hale; Richard Dekany; Lianqi Wang; Brent Ellerbroek; Luc Simard; David Crampton
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Paper Abstract

The InfraRed Imaging Spectrograph (IRIS) is a first light client science instrument for the TMT observatory that operates as a client of the NFIRAOS facility multi-conjugate adaptive optics system. This paper reports on the concept study and baseline concept design of the On-Instrument WaveFront Sensors (OIWFS) and NFIRAOS interface subsystems of the IRIS science instrument, a collaborative effort by NRC-HIA, Caltech, and TMT AO and Instrument teams. This includes work on system engineering, structural and thermal design, sky coverage modeling, patrol geometry, probe optics and mechanics design, camera design, and controls design.

Paper Details

Date Published: 20 July 2010
PDF: 17 pages
Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77357Q (20 July 2010); doi: 10.1117/12.857463
Show Author Affiliations
David Loop, Herzberg Institute of Astrophysics, National Research Council Canada (Canada)
Vlad Reshetov, Herzberg Institute of Astrophysics, National Research Council Canada (Canada)
Murray Fletcher, Herzberg Institute of Astrophysics, National Research Council Canada (Canada)
Robert Wooff, Herzberg Institute of Astrophysics, National Research Council Canada (Canada)
Jennifer Dunn, Herzberg Institute of Astrophysics, National Research Council Canada (Canada)
Anna Moore, Caltech Optical Observatories (United States)
Roger Smith, Caltech Optical Observatories (United States)
David Hale, Caltech Optical Observatories (United States)
Richard Dekany, Caltech Optical Observatories (United States)
Lianqi Wang, TMT Observatory Corp. (United States)
Brent Ellerbroek, TMT Observatory Corp. (United States)
Luc Simard, TMT Observatory Corp. (United States)
David Crampton, TMT Observatory Corp. (United States)


Published in SPIE Proceedings Vol. 7735:
Ground-based and Airborne Instrumentation for Astronomy III
Ian S. McLean; Suzanne K. Ramsay; Hideki Takami, Editor(s)

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