1 December 1983 Large Deployable Reflector (LDR): A Concept For An Orbiting Submillimeter-Infrared Telescope For The 1990S
Author Affiliations +
Optical Engineering, 22(6), 226725 (1983). doi:10.1117/12.7973229
The history and background of the Large Deployable Reflector (LDR) are reviewed. The results of the June 1982 Asilomar (California) workshop are incorporated into the LDR science objectives and telescope concept. The areas where the LDR may have the greatest scientific impact are in the study of star formation and planetary systems in our own and nearby galaxies and in cosmological studies of the structure and evolution of the early universe. The observational requirements for these and other scientific studies give rise to a set of telescope functional requirements. These, in turn, are satisfied by an LDR configuration which is a Cassegrain design with a 20 m diameter, actively controlled, segmented, primary reflector, diffraction limited at a wavelength of 30 to 50 um. Technical challenges in the LDR development include construction of high tolerance mirror segments, surface figure measurement, figure control, vibration control, pointing, cryogenics, and coherent detectors. Project status and future plans for the LDR are discussed.
Paul N. Swanson, Samuel Gulkis, T. B. H. Kuiper, M. Kiya, "Large Deployable Reflector (LDR): A Concept For An Orbiting Submillimeter-Infrared Telescope For The 1990S," Optical Engineering 22(6), 226725 (1 December 1983). https://doi.org/10.1117/12.7973229



Reflector telescopes

Vibration control


Galactic astronomy



Ukidna: the RAVE machine
Proceedings of SPIE (September 30 2004)
Optical Design Of The Hipparcos Telescope
Proceedings of SPIE (October 31 1986)
Thermal design trades for SAFIR architecture concepts
Proceedings of SPIE (October 12 2004)
ONIRICA an infrared camera for OWL with MCAO low...
Proceedings of SPIE (June 27 2006)

Back to Top