'Imaka: a one-degree high-resolution imager for the Canada-France-Hawaii Telescope | Zendy

Mark Chun | Zendy; R. G. Carlberg | Zendy; Harvey B. Richer | Zendy; Y. Mellier | Zendy; P. Astier | Zendy; Olivier Lai | Zendy; Derrick Salmon | Zendy; JeanCharles Cuillandre | Zendy; David R. Andersen | Zendy; John Pazder | Zendy; JeanPierre Véran | Zendy; Gregory Barrick | Zendy; Steven E. Bauman | Zendy; Kevin Ho | Zendy; R. Ávila | Zendy; Richard Wilson | Zendy; T. Butterley | Zendy

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'Imaka: a one-degree high-resolution imager for the Canada-France-Hawaii Telescope

Author(s) -

Mark Chun,

R. G. Carlberg,

Harvey B. Richer,

Y. Mellier,

P. Astier,

Olivier Lai,

Derrick Salmon,

JeanCharles Cuillandre,

David R. Andersen,

John Pazder,

JeanPierre Véran,

Gregory Barrick,

Steven E. Bauman,

Kevin Ho,

R. Ávila,

Richard Wilson,

T. Butterley

Publication year - 2010

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.857570

Subject(s) - telescope , adaptive optics , atmosphere (unit) , optics , remote sensing , field of view , physics , boundary layer , cardinal point , atmospheric optics , meteorology , geology , thermodynamics

The 'Imaka project is a high-resolution wide-field imager proposed for the Canada-France-Hawaii telescope (CFHT) on Mauna Kea. 'Imaka takes advantage of two features of the optical turbulence above Mauna Kea: weak optical turbulence in the free-atmosphere and boundary layer turbulence which is highly confined within a surface layer tens of meters thick and or the telescope enclosures. The combination of the two allows a groundlayer adaptive optics system (GLAO) to routinely deliver an extremely-wide corrected field of view of one-degree at an excellent free-atmosphere seeing limit at visible wavelengths. In addition, populating the focal-plane with orthogonal-transfer CCDs provides a second level of image improvement on the free-atmosphere seeing and the residual GLAO correction. The impact of such an instrument covers a broad range of science and is a natural progression of CFHT's wide-field expertise.

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