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16 August 2000 Gemini near-infrared imager (NIRI)
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The NIRI for the Gemini North telescope is now undergoing acceptance testing. NIRI is the main near-IR facility camera on the Gemini North telescope and is designed to fully exploit the excellent characteristics of the site and the expected high performance o the telescope. NIRI offers 3 different pixel scales for wide-field, tip-tilt corrected and diffraction-limited imaging. It is equipped with a pupil imaging system to evaluate the telescope emissivity and to optimize the alignment of the instrument with the telescope. NIRI has an IR wavefront sensor so that tip-tilt and focus corrections can be obtained even in dark cloud regions or during daytime observing.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Klaus-Werner Hodapp, J. Hora, E. Graves, Everett M. Irwin, Hubert Yamada, Jeffrey W. Douglass, Tony T. Young, and Louis Robertson "Gemini near-infrared imager (NIRI)", Proc. SPIE 4008, Optical and IR Telescope Instrumentation and Detectors, (16 August 2000);


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