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Abstract

EMIR Detector characterization. J. J. Díaz a , F. Gago a , C. González-Fernández a , Francis Beigbeder c , F. Garzón a,b , J. Patrón a a Instituto de Astrofísica de Canarias (IAC), 38200 La Laguna (Tenerife) Spain Phone: 34922605200, Fax: 34922605210, e-mail address: jdg@iac.es

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Abstract

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  1. EMIR Detector characterization J. J. Díaza, F. Gagoa, C. González-Fernándeza, Francis Beigbederc, F. Garzóna,b, J. Patróna a Instituto de Astrofísica de Canarias (IAC), 38200 La Laguna (Tenerife) Spain Phone: 34922605200, Fax: 34922605210, e-mail address: jdg@iac.es b Departamento de Astrofísica, Universidad de La laguna (Tenerife) Spain c Observatoire Midi-Pyrénées (OMP), France Abstract EMIR is a multiobject intermediate resolution near infrared (1.0-2.5 microns) spectrograph with image capabilities to be mounted on the 10m Gran Telescopio Canarias (GTC), located on the Spanish island of La Palma. The instrument uses an Hawaii-2 infrared detector. In this paper, results of the detector characterization are presented. Apart from tests to obtain the typical figures of merit, such as readout noise, well depth, dark current, quantum efficiency or maximum pixel rate, some detailed studies have been performed to characterize the detector persistence, crosstalk between channels and the disturbing effects that appear in these detectors just after reset or after a certain time without being read. These effects and the techniques we have tried to minimize them are also presented. Hardware configuration

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