KOALA, a wide-field 1000 element integral-field unit for the Anglo-Australian Telescope: assembly and commissioning | Zendy

Ross Zhelem | Zendy; Jurek Brzeski | Zendy; Scott W. Case | Zendy; Vladimir Churilov | Zendy; Simon Ellis | Zendy; Tony Farrell | Zendy; Andrew W. Green | Zendy; Anthony Heng | Zendy; A. J. Horton | Zendy; Michael Ireland | Zendy; Damien Jones | Zendy; Urs Klauser | Zendy; Jon Lawrence | Zendy; Stan Miziarski | Zendy; David Orr | Zendy; Naveen Pai | Zendy; Nick Staszak | Zendy; Julia Tims | Zendy; Minh Vuong | Zendy; Lew Waller | Zendy; Pascal Xavier | Zendy

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KOALA, a wide-field 1000 element integral-field unit for the Anglo-Australian Telescope: assembly and commissioning

Author(s) -

Ross Zhelem,

Jurek Brzeski,

Scott W. Case,

Vladimir Churilov,

Simon Ellis,

Tony Farrell,

Andrew W. Green,

Anthony Heng,

A. J. Horton,

Michael Ireland,

Damien Jones,

Urs Klauser,

Jon Lawrence,

Stan Miziarski,

David Orr,

Naveen Pai,

Nick Staszak,

Julia Tims,

Minh Vuong,

Lew Waller,

Pascal Xavier

Publication year - 2014

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 - 10.1117/12.2055588

Subject(s) - cassegrain reflector , spectrograph , telescope , optics , physics , field of view , cardinal point , integral field spectrograph , field (mathematics) , astronomy , spectral line , mathematics , pure mathematics

The KOALA optical fibre feed for the AAOmega spectrograph has been commissioned at the Anglo-Australian Telescope. The instrument samples the reimaged telescope focal plane at two scales: 1.23 arcsec and 0.70 arcsec per image slicing hexagonal lenslet over a 49x27 and 28x15 arcsec field of view respectively. The integral field unit consists of 2D hexagonal and circular lenslet arrays coupling light into 1000 fibres with 100 micron core diameter. The fibre run is over 35m long connecting the telescope Cassegrain focus with the bench mounted spectrograph room where all fibres are reformatted into a one-dimensional slit. Design and assembly of the KOALA components, engineering challenges encountered, and commissioning results are discussed.

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