21 March 1997 Liquid mirror telescopes: a progress report
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Proceedings Volume 2871, Optical Telescopes of Today and Tomorrow; (1997) https://doi.org/10.1117/12.269054
Event: Optical Telescopes of Today and Tomorrow, 1996, Landskrona/Hven, Sweden
We review the present status of liquid mirror telescopes. Interferometric tests of liquid mirrors (the largest one having a diameter of 2.5 meters) show excellent optical qualities. The basic technology is now sufficiently reliable that it can be put to work. Indeed, a handful of liquid mirrors have now been built that are used for scientific work. A 3.7-m diameter LMT is presently being built in the new Laval upgraded testing facilities. Construction of the mirror can be followed on the Web site: http://astrosun.phy.ulaval.ca/lmt/lmt-home.html. Finally we address the issue of the field accessible to LMTs equipped with novel optical correctors. Optical design work, and some exploratory laboratory work, indicate that a single LMT should be able to access, with excellent images, small regions anywhere inside fields as large as 45 degrees.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ermanno F. Borra, Ermanno F. Borra, Marc Ferrari, Marc Ferrari, Luc Girard, Luc Girard, Gilberto Moretto, Gilberto Moretto, Gregoire Tremblay, Gregoire Tremblay, Gerard R. Lemaitre, Gerard R. Lemaitre, "Liquid mirror telescopes: a progress report", Proc. SPIE 2871, Optical Telescopes of Today and Tomorrow, (21 March 1997); doi: 10.1117/12.269054; https://doi.org/10.1117/12.269054


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