Fiber spectroscopy and the new generation of large ground-based telescopes

Sidney Wolff

doi:10.1117/12.22084

1 December 1990 Fiber spectroscopy and the new generation of large ground-based telescopes

Sidney Wolff

Proceedings Volume 1318, Optical Spectroscopic Instrumentation and Techniques for the 1990s: Applications in Astronomy, Chemistry, and Physics; (1990) https://doi.org/10.1117/12.22084
Event: Optical Spectroscopic Instrumentation and Techniques for the 1990s: Applications in Astronomy, Chemistry, and Physics, 1990, Las Cruces, NM, United States

Abstract

New technologies make it possible to cast, polish, and support large light-weight mirrors with f/ratios faster than f/2.0. These new technologies have dramatically lowered the cost of construction of ground-based telescopes, and accordingly several telescopes with apertures of 8-10 meters are now under construction. Some of these telescopes are being optimized for fiber spectroscopy of one to a few hundred objects during a single exposure. The required design characteristics and the properties of the best commercial fibers currently available are discussed. Applications of fiber spectroscopy to such problems as the mapping of distant galaxies, the search for extra-solar-system planets, and the measurement of stellar pulsations are briefly described.

Citation Download Citation

Sidney Wolff "Fiber spectroscopy and the new generation of large ground-based telescopes", Proc. SPIE 1318, Optical Spectroscopic Instrumentation and Techniques for the 1990s: Applications in Astronomy, Chemistry, and Physics, (1 December 1990); https://doi.org/10.1117/12.22084

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