Bibcode
                                    
                            Sánchez, V.; Barrera, S.; Becerril, S.; Correa, S.; Pérez, J.; Redondo, P.; Restrepo, R.; Saavedra, P.; Tenegi, F.; Patrón, J.; Garzón, F.
    Bibliographical reference
                                    Ground-based and Airborne Instrumentation for Astronomy. Edited by McLean, Ian S.; Iye, Masanori. Proceedings of the SPIE, Volume 6269, pp. 626955 (2006).
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                        2006
            
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                            Description
                                    EMIR is the NIR multi-object imager and spectrograph for the GTC (Gran
Telescopio Canarias). The instrument ADR (Advanced Design Review) was
held successfully in March 2006. During the AD phase, a number of
mechanical concepts were tested on development prototypes to ensure the
feasibility of the PDR proposed designs. This presentation contains an
overview of the current mechanical status of the instrument, as well as
the prototypes development. It contains the prototype tests results of
the collimator first lens barrel, the support trusses, the grisms wheel
and the demonstration programme for the cryogenic reconfigurable slit
mechanism.