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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 16 — Jun. 1, 2010
  • pp: D115–D122

The Large Binocular Telescope

John M. Hill  »View Author Affiliations


Applied Optics, Vol. 49, Issue 16, pp. D115-D122 (2010)
http://dx.doi.org/10.1364/AO.49.00D115


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Abstract

The Large Binocular Telescope (LBT) Observatory is a collaboration among institutions in Arizona, Germany, Italy, Indiana, Minnesota, Ohio, and Virginia. The telescope on Mount Graham in South eastern Arizona uses two 8.4 m diameter primary mirrors mounted side by side. A unique feature of the LBT is that the light from the two Gregorian telescope sides can be combined to produce phased-array imaging of an extended field. This cophased imaging along with adaptive optics gives the telescope the diffraction-limited resolution of a 22.65 m aperture and a collecting area equivalent to an 11.8 m circular aperture. This paper describes the design, construction, and commissioning of this unique telescope. We report some sample astronomical results with the prime focus cameras. We comment on some of the technical challenges and solutions. The telescope uses two F / 15 adaptive secondaries to correct atmospheric turbulence. The first of these adaptive mirrors has completed final system testing in Firenze, Italy, and is planned to be at the telescope by Spring 2010.

© 2010 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(110.6770) Imaging systems : Telescopes

ToC Category:
Astronomical Optics and Telesccopes

History
Original Manuscript: November 4, 2009
Revised Manuscript: February 3, 2010
Manuscript Accepted: February 5, 2010
Published: April 7, 2010

Citation
John M. Hill, "The Large Binocular Telescope," Appl. Opt. 49, D115-D122 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-16-D115

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