Optical design of FRIDA, the integral-field spectrograph and imager for the AO system of the Gran Telescopio Canarias

Salvador Cuevas; Stephen S. Eikenberry; Beatriz Sánchez; Oscar Chapa; Carlos Espejo; Rubén Flores-Meza; Gerardo Lara; Luis C Álvarez; Carolina Keiman

doi:10.1117/12.788024

9 July 2008 Optical design of FRIDA, the integral-field spectrograph and imager for the AO system of the Gran Telescopio Canarias

Salvador Cuevas, Stephen S. Eikenberry, Beatriz Sánchez, Oscar Chapa, Carlos Espejo, Rubén Flores-Meza, Gerardo Lara, Luis C Álvarez, Carolina Keiman

Author Affiliations +

Proceedings Volume 7014, Ground-based and Airborne Instrumentation for Astronomy II; 70146D (2008) https://doi.org/10.1117/12.788024
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

Abstract

FRIDA (inFRared Imager and Dissector for the Adaptive optics system of the Gran Telescopio Canarias) has been designed as a diffraction limited instrument that will offer broad and narrow band imaging and integral field spectroscopy (IFS) capabilities with low, intermediate and high spectral resolutions to operate in the wavelength range 0.9 - 2.5 μm. The integral field unit is based on a monolithic image slicer based on the University of Florida FISICA. Both, the imaging mode and IFS observing modes will use the same Rockwell 2K×2K detector. FRIDA will be based at a Nasmyth focus of GTC, behind the GTCAO system. The FRIDA optical design, stray light analysis, tolerance analysis and manufacturing feasibility are described in this contribution.

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Salvador Cuevas, Stephen S. Eikenberry, Beatriz Sánchez, Oscar Chapa, Carlos Espejo, Rubén Flores-Meza, Gerardo Lara, Luis C Álvarez, and Carolina Keiman "Optical design of FRIDA, the integral-field spectrograph and imager for the AO system of the Gran Telescopio Canarias", Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70146D (9 July 2008); https://doi.org/10.1117/12.788024

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