Sloan digital sky survey 2.5-meter telescope: optics

Details Sloan digital sky survey 2.5-meter telescope: optics Sloan digital sky survey 2.5-meter telescope: optics

Aug 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3352..742w&link_type=abstract

Proc. SPIE Vol. 3352, p. 742-753, Advanced Technology Optical/IR Telescopes VI, Larry M. Stepp; Ed.

Physics

Optics

6

Scientific paper

The Sloan Digital Sky Survey 2.5-meter telescope optical design is optimized for wide field (3 degree(s)), broadband (300 nm to 1060 nm) CCD imaging and multi-fiber spectroscopy. The system has very low distortion, required for time-delay-and- integrate imaging, and chromatic aberration control, demanded for both imaging and spectroscopy. The Cassegrain telescope optics include a transmissive corrector consisting of two aspheric fused quartz optical elements in each configuration. The details of the fabrication of these elements are discussed. Included is the design, development and performance of custom optical coatings applied to these optics.

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