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27 June 2006 AGAR-AGAR: a high-efficiency narrow-band imager for ELTs
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The thinking about possible instruments for the future ELTs has just started and the current phase allows to pursue non-traditional solutions. Following the guidelines of the Science Case for an ELT1,2 our team searched for possible intersections with innovative technologies we currently deal with in our research. We found that Volume Phase Holographic Gratings and advanced dichroics could be suited to design a non-traditional narrow band imager. We propose in this paper a comparative analysis of a VPHG based and a dichroic based configurations for the imager.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Daniela Tresoldi, Riccardo Felletti, Andrea Bianco, Paolo Conconi, Vincenzo De Caprio, Giuseppe Crimi, Emilio Molinari, Alberto Riva, Marco Riva, Paolo Spanò, Matteo Tintori, Giorgio Toso, and Filippo M. Zerbi "AGAR-AGAR: a high-efficiency narrow-band imager for ELTs", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 62695X (27 June 2006);

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