Large astronomical liquid mirrors

Details Large astronomical liquid mirrors Large astronomical liquid mirrors

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pasp..105..501h&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 105, no. 687, p. 501-508.

Astronomy and Astrophysics

Astronomy

18

Mercury (Metal), Mirrors, Rotating Fluids, Telescopes, Fabrication, Kevlar (Trademark), Structural Analysis, Surface Waves, Vibration Effects

Scientific paper

We present a design for large rotating liquid mirrors. These mirrors are stiff lightweight structures designed to support a thin reflective mercury surface layer. The general design features and fabrication techniques are described and approximate analytic formulas are derived describing the flexural, vibrational, and stability characteristics of these mirrors. As an example, we describe in detail the 2.7-m mirror of the UBC/Laval liquid mirror observatory. We conclude by considering the feasibility of employing this design for very large liquid mirrors.

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