TEQUILA: NIR camera/spectrograph based on a Rockwell 1024x1024 HgCdTe FPA

Elfego Ruiz Schneider; Erika Sohn; Irene Cruz-Gonzales; Luis Salas; Antonio Parraga; Manuel Perez; Roberto Torres; Francisco J. Cobos Duenas; Gaston Gonzalez; Rosalia Langarica; Carlos Tejada; Beatriz Sanchez; Arturo I. Iriarte Valverde; Jorge Valdez; Leonel Gutierrez; Francisco Lazo; Fernando Angeles

doi:10.1117/12.317332

21 August 1998 TEQUILA: NIR camera/spectrograph based on a Rockwell 1024x1024 HgCdTe FPA

Elfego Ruiz Schneider, Erika Sohn, Irene Cruz-Gonzales, Luis Salas, Antonio Parraga, Manuel Perez, Roberto Torres, Francisco J. Cobos Duenas, Gaston Gonzalez, Rosalia Langarica, Carlos Tejada, Beatriz Sanchez, Arturo I. Iriarte Valverde, Jorge Valdez, Leonel Gutierrez, Francisco Lazo, Fernando Angeles

Author Affiliations +

Proceedings Volume 3354, Infrared Astronomical Instrumentation; (1998) https://doi.org/10.1117/12.317332
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

Abstract

We describe the configuration and operation modes of the IR camera/spectrograph: TEQUILA based on a 1024 X 1024 HgCdTe FPA. The optical system will allow three possible modes of operation: direct imaging, low and medium resolution spectroscopy and polarimetry. The basic system is being designed to consist of the following: 1) A LN₂ dewar that allocates the FPA together with the preamplifiers and a 24 filter position cylinder. 2) Control and readout electronics based on DSP modules linked to a workstation through fiber optics. 3) An opto-mechanical assembly cooled to -30 degrees that provides an efficient operation of the instrument in its various modes. 4) A control module for the moving parts of the instrument. The opto-mechanical assembly will have the necessary provision to install a scanning Fabry-Perot interferometer and an adaptive optics correction system. The final image acquisition and control of the whole instrument is carried out in a workstation to provide the observer with a friendly environment. The system will operate at the 2.1 m telescope at the Observatorio Astronomico Nacional in San Pedro Martir, B.C. (Mexico), and is intended to be a first-light instrument for the new 7.8m Mexican IR-Optical Telescope.

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Elfego Ruiz Schneider, Erika Sohn, Irene Cruz-Gonzales, Luis Salas, Antonio Parraga, Manuel Perez, Roberto Torres, Francisco J. Cobos Duenas, Gaston Gonzalez, Rosalia Langarica, Carlos Tejada, Beatriz Sanchez, Arturo I. Iriarte Valverde, Jorge Valdez, Leonel Gutierrez, Francisco Lazo, and Fernando Angeles "TEQUILA: NIR camera/spectrograph based on a Rockwell 1024x1024 HgCdTe FPA", Proc. SPIE 3354, Infrared Astronomical Instrumentation, (21 August 1998); https://doi.org/10.1117/12.317332

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KEYWORDS

Sensors

Cameras

Digital signal processing

Telescopes

Electronics

Control systems

Staring arrays

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