Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003spie.4842..384r&link_type=abstract
Specialized Optical Developments in Astronomy. Edited by Atad-Ettedgui, Eli; D'Odorico, Sandro. Proceedings of the SPIE, Volume
Astronomy and Astrophysics
Astronomy
Scientific paper
Integral Field Spectroscopy (IFS) is a powerful tool for astronomy, of particular importance to large aperture telescopes. We have designed and constructed a prototype integral field unit (IFU) for multiple-IFS which may be deployed to any desired position in a 30' diameter field of view and will deliver a good image quality simultaneously at visible (0.45 - 1.0 μm) and near infrared (1.0 - 1.8 μm) wavelength ranges. The design and construction of the multiple-IFU for the prime focus of an 8-meter telescope is discussed in this paper. The IFU uses optical fibers whose flexibility is an important advantage for a multiple-IFU. Simple and compact optics is essential for the design of the IFU. Key design issues, such as the fore-optics, microlens array and fiber bundle, are described in detail. Finally the achievable performance of the IFU is estimated.
Allington-Smith Jeremy R.
Dodsworth George N.
Ren Deqing
Sharples Ray M.
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