Wavelength selection in OSIRIS

Jose Luis Rasilla; Jordi Cepa; Ana Belen Fragoso-Lopez; J. Jesus Gonzalez; Jonathan Bland-Hawthorn

doi:10.1117/12.460343

7 March 2003 Wavelength selection in OSIRIS

Jose Luis Rasilla, Jordi Cepa, Ana Belen Fragoso-Lopez, J. Jesus Gonzalez, Jonathan Bland-Hawthorn

Proceedings Volume 4841, Instrument Design and Performance for Optical/Infrared Ground-based Telescopes; (2003) https://doi.org/10.1117/12.460343
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

The Optical System for Imaging and low Resolution Integrated Spectroscopy (OSIRIS) is an imaging system and a low-resolution long-slit and multi-object spectrograph for the 10.4m Spaninsh telescope GTC. OSIRIS spectral range (from 365 up to 1000 nm) and observing modes require a wide set of elements in order to provide imaging and spectroscopic capatibilities. Two tunable filters covering the full OSIRIS spectral range allow narrow band imaging with resolutions from R=300 to 1000. Twelve grisms provide spectral resolutions from R=250 through R=2500. In this contribution the design and characteristics of the tunable filters and grisms selected for OSIRIS are presented.

Citation Download Citation

Jose Luis Rasilla, Jordi Cepa, Ana Belen Fragoso-Lopez, J. Jesus Gonzalez, and Jonathan Bland-Hawthorn "Wavelength selection in OSIRIS", Proc. SPIE 4841, Instrument Design and Performance for Optical/Infrared Ground-based Telescopes, (7 March 2003); https://doi.org/10.1117/12.460343

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