Design and implementation of an atmospheric dispersion compensator/corrector for the Gemini multi-object spectrograph

Kei Szeto; Christopher L. Morbey; Christopher J. Mayer; David Crampton; J. Murray Fletcher; Richard G. Murowinski; James R. Stilburn; Philip Taylor; Robert Wooff

doi:10.1117/12.461812

7 March 2003 Design and implementation of an atmospheric dispersion compensator/corrector for the Gemini multi-object spectograph

Kei Szeto, Christopher L. Morbey, Christopher J. Mayer, David Crampton, J. Murray Fletcher, Richard G. Murowinski, James R. Stilburn, Philip Taylor, Robert Wooff

Author Affiliations +

Proceedings Volume 4841, Instrument Design and Performance for Optical/Infrared Ground-based Telescopes; (2003) https://doi.org/10.1117/12.461812
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

The Gemini Multi-Object Spectrograph (GMOS) was delivered and commissioned at the Gemini North Observatory and it has been in regular science use since November 2001. While GMOS-North met all its reliability and performance requirements on flexure, image quality and throughput, the high velocity precision (2 km/sec) mode will not be implemented until the Atmospheric Dispersion Compensator/Corrector (ADC) is delivered and commissioned. The ADC optical design incorporating two bonded prism pairs and two corrector lenses is described along with its opto-mechanical and software control design considerations as related to the overall system requirements including: image quality, error budget, optical mounting, opto-mechanical packaging, mechanism control, handling, deployment and telescope observational control considerations.

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Kei Szeto, Christopher L. Morbey, Christopher J. Mayer, David Crampton, J. Murray Fletcher, Richard G. Murowinski, James R. Stilburn, Philip Taylor, and Robert Wooff "Design and implementation of an atmospheric dispersion compensator/corrector for the Gemini multi-object spectograph", Proc. SPIE 4841, Instrument Design and Performance for Optical/Infrared Ground-based Telescopes, (7 March 2003); https://doi.org/10.1117/12.461812

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