Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..848..888s&link_type=abstract
RECENT ADVANCES IN ASTRONOMY AND ASTROPHYSICS: 7th International Conference of the Hellenic Astronomical Society. AIP Conferenc
Astronomy and Astrophysics
Astrophysics
Astronomical And Space-Research Instrumentation
Scientific paper
We have studied, designed built and demonstrated a 270mm diameter scaled-down prototype of a larger 3-mirror telescope (3M-T) of low cost/performance ratio offering an anastigmatic field of 1-deg. A higher performance/cost variant could reach 5-deg field of view, and can be scaled-up to very high diameters. The original concept, the particular optical characteristics and functional aspects are briefly explained. The design has already been materialized in the Applied Optics Laboratory of the Hellenic Naval Academy where the instrument is assembled. The experimental working-model prototype of such an unusual telescope is based on a modified Paul/Baker/Willstrop design and was studied from the beginning as an inseparable entity with its dedicated single-beam photon counting High Speed Photometer. The instrument is being used in our laboratory to characterize its imaging performance, to feed light at the Nasmyth focus for various atmospheric studies, and direct laser beams to the sky for experiments on laser guide-star excitation. The 3MT prototype has also been used to devise and test perplex methods of aligning its mirrors in order to obtain the sharpest possible images for future research on faint extended objects.
Belyankin I.
Solomos Nikolaos H.
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