29 June 2006 The preslit system of GIANO-TNG
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Abstract
GIANO-TNG is an ultra-stable infrared (0.9-2.5 μm) high resolution cross-dispersed spectrometer designed to operate at a fixed position relative to the telescope axis. It therefore requires a pre-slit opto-mechanical system which takes care of field de-rotation and auto-guiding. Taking advantage of the structure already existing for SARG (the high resolution optical spectrometer of the Telescopio Nazionale Galileo, TNG) we are developing a system which provides a large (2 arcmin) field of view for offset guiding and includes, as separate and selectable elements, a gas absorption cell and a polarimetric module where the analyzers work in a collimated beam.
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P. Bruno, P. Bruno, F. Leone, F. Leone, E. Oliva, E. Oliva, S. Gennari, S. Gennari, I. Mochi, I. Mochi, L. Origlia, L. Origlia, } "The preslit system of GIANO-TNG", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 626941 (29 June 2006); doi: 10.1117/12.670365; https://doi.org/10.1117/12.670365
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