Bibcode
Gelly, Bernard F.; THEMIS Team
Bibliographical reference
Memorie della Società Astronomica Italiana, v.78, p.13 (2006)
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2007
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0
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0
Description
Imaging of the solar surface from ground based telescopes has achieved
to be diffraction limited almost ten years ago, while
diffraction-limited spectropolarimetry is, for obvious reasons of
available flux, far from being reachable nowadays. Among the 1-meter
class solar telescope currently in operation, THEMIS is the most
specifically devoted to high-precision spectropolarimetry with an
appealing level of specifications, some of them hardly to be find in any
other telescopic installation. We shall discuss in this paper the recent
evolution of this telescope toward more polarimetric efficiency and the
use of modern detectors, in order to push further its possibilities in
and hopefully contribute to open the path of a future large size solar
European facility.