24 September 2012 Multi-purpose grating spectrograph for the 4-meter European Solar Telescope
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Abstract
This communication presents a family of spectrographs designed for the European Solar Telescope. They can operate in four different configurations: a long slit standard spectrograph (LsSS), two devices based on subtractive double pass (TUNIS and MSDP) and one based on an integral field, multi-slit, multi-wavelength configuration. The combination of them composes the multi-purpose grating spectrograph of EST, focused on supporting the different science cases of the solar photosphere and chromosphere in the spectral range from 3900 Å to 23000 Å. The different alternatives are made compatible by using the same base spectrographs and different selectable optical elements corresponding to specific subsystems of each configuration.
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A. Calcines, M. Collados, A. Feller, B. Gelly, B. Grauf, J. Hirzberger, A. López Ariste, R. L. Lopez, P. Mein, and F. Sayéde "Multi-purpose grating spectrograph for the 4-meter European Solar Telescope", Proc. SPIE 8446, Ground-based and Airborne Instrumentation for Astronomy IV, 84466T (24 September 2012); doi: 10.1117/12.925300; https://doi.org/10.1117/12.925300
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