Computer Science – Performance
Scientific paper
Mar 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997rnaoj...3...45k&link_type=abstract
Rep. Natl. Astron. Obs. Jpn., Vol. 3, No. 2, p. 45 - 55
Computer Science
Performance
Mirrors: Coatings
Scientific paper
The authors have conducted a series of coating experiments in April 1996, using the newly installed 1.6 m evaporation chamber at the Advanced Technology Center (ATC) of the National Astronomical Observatory. The main task of this chamber is to re-aluminize the 1.6 m mirror of the Infrared Simulator at the ATC. In addition, the authors have carried out some fundamental experiments evaluating the basic performance of the 1.6 m chamber, of which design is basically a miniature of the 8.3 m coating facility for Subaru Telescope. The important parameters of the reflecting coating such as the thickness, uniformity, and spectroscopic reflecting performance were measured. The absolute value of the reflectivity is estimated to be around 91% immediately after opening the chamber.
Hayashi Saeko Suzuki
Ishikawa Tadashi
Kamata Yukiko
Kanzawa Tomio
Noguchi Takaaki
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