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Liquid mirrors: a progress report.

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Title: Liquid mirrors: a progress report.
Author: Hickson, Paul
Issue Date: 1990
Publicly Available in cIRcle 2011-09-20
Publisher Society of Photo-Optical Instrumentation Engineers
Citation: Borra, Ermanno F.; Content, Robert; Drinkwater, Mark R.; Girard, Luc; Tremblay, Louise; Szapiel, Stan; Gibson, Brad K.; Hickson, Paul; Morbey, Christopher L. Liquid mirrors: a progress report. Advanced Technology Optical Telescopes IV, edited by Lawrence D. Barr. Proceedings of SPIE Volume 1236, 653, 1990. http://dx.doi.org/10.1117/12.19199
Abstract: Since liquid mirrors are potentially useful in science (e.g., astronomy, atmospheric sciences, and optical testing), work has been undertaken to determine whether they are technologically feasible. A testing tower has been equipped with a scatterplate interferometer interfaced with a CCD for data acquisition and a microcomputer for data analysis. This equipment was used to test a 1.5-m-diameter f/2 liquid mirror, showing that it is diffraction limited; interferometric measurements give Strehl ratios of order 0.8. A 2.7-m-diameter liquid mirror and astronomical observatory presently under construction is briefly described. Copyright 1990 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Affiliation: Physics and Astronomy, Dept of
URI: http://hdl.handle.net/2429/37493
Peer Review Status: Reviewed
Scholarly Level: Faculty

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