Experiences with a fiber linked spectrograph

Details Experiences with a fiber linked spectrograph Experiences with a fiber linked spectrograph

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984spie..445...52s&link_type=abstract

IN: Instrumentation in astronomy V; Proceedings of the Fifth Meeting, London, England, September 7-9, 1983 (A85-25360 10-89). Be

Physics

Optics

2

Astronomical Spectroscopy, Fiber Optics, Spectral Resolution, Telescopes, Apertures, Glass Fibers, Gradient Index Optics, Remote Control, Wave Dispersion

Scientific paper

A fiber linked spectrograph is described which was built for use at astronomical telescopes with apertures of less than 100 cm. The link between the telescope and the spectrograph was made by means of two single step index glass-on-glass fibers with a core diameter of 63 μm. The transmission of a 10 m fiber link lies between 65% and 4000 Å and 98% at 8000 Å. Reciprocal dispersions between 27 Å/mm and 370 Å/mm can be realized. The best resolution at 27 Å/mm is 0.5 Å. The spectrograph is equipped with an intensified TV camera guiding system for remote operation.

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