Anglo-Australian Observatory fibre system

Details Anglo-Australian Observatory fibre system Anglo-Australian Observatory fibre system

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..627...96g&link_type=abstract

IN: Instrumentation in astronomy VI; Proceedings of the Meeting, Tucson, AZ, Mar. 4-8, 1986. Part 1 (A87-36376 15-35). Bellingha

Physics

Optics

22

Apertures, Cassegrain Optics, Fiber Optics, Telescopes, Alignment, Focusing, Mounting, Slits

Scientific paper

The Fiber-Optic Coupled Aperture Plate (FOCAP) system for multiobject spectroscopy has been in use on the Anglo-Australian Observatory's 3.9-m telescope, and has undergone continuous development to cope with increasingly more varied and taxing demands. Four separate multifiber bundles are currently available. Each uses 50 fibers; two are based on 200-micron, and two on 400-micron core diameter fibers, respectively yielding 1.3- and 2.6-arcsec aperture sizes at the f/8 Cassegrain focus of the telescope. Attention is given to the fiber acquisition and alignment system, the fiber slit marks, fiber data reduction, commercially available fibers suitable for astronomical instrumentation, and such future developments as automatic fiber positioning and fiber image slicing.

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