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30 September 2004 A fiber-fed VPHG-based high-resolution spectrograph for moderate-aperture robotic telescopes
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Abstract
The use of high diffraction efficiency Volume Phase Holographic grating as central element in a spectrograph allows to consistently increase the instrumental throughput. Moreover the geometry they use allow them to be located in simplified optical designs and their manufacturing characteristics make them ideal also for the high resolution (R > 20,000) domain. VPHG are the perfect solution for high resolution spectrograph coupled with moderate collecting areas such as those of robotic telescopes nowadays distributed worldwide. We present in this paper the spectrograph, currently under construction, that will equip the REM telescope at la Silla Observatory, Chile.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Giorgio Toso, Ruben Mazzoleni, Filippo Maria Zerbi, Paolo Conconi, and Emilio Molinari "A fiber-fed VPHG-based high-resolution spectrograph for moderate-aperture robotic telescopes", Proc. SPIE 5492, Ground-based Instrumentation for Astronomy, (30 September 2004); https://doi.org/10.1117/12.580327
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