Large aperture telescope for advanced lidar system

Year: 2010

Authors: Simonetti F., Zuccaro Marchi A., Gambicorti L., Mazzinghi P., Bratina V.

Autors Affiliation: National Institute of Optics – National Research Council INO-CNR, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: The final optical design for a spaceborne light detection and ranging (lidar) mission is presented, in response to the European Space Agency \”Advanced lidar concepts\” proposal for use of a differential absorption lidar system to measure water vapor distribution in atmosphere at 935.5 nm. The telescope adopts a double afocal concept (i.e., four reflections with two mirrors) using a lightweight and large aperture primary mirror. It is derived from a feasibility study that compares several different optical configurations, taking into account parameters such as cost, dimensions, complexity, and technological feasibility. The final telescope optical design is described in detail, highlighting a trade-off with other solutions and its optical tolerances. (C) 2010 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3461976]


Volume: 49 (7)      Pages from: 073001  to: 073001

More Information: The authors want to thank Dr. Joao Pereira do Carmo of ESA/ESTEC for his support and all the ALC collaboration for the important contributions at this design phase of the ESA-ALC project.
KeyWords: Differential-absorption lidar systems; European Space Agency; Feasibility studies; Large aperture; Large aperture telescopes; Lidar systems; Light detection and ranging; Optical configurations; Optical tolerances; Primary mirrors; Reflective optical system; Space-borne; Technological feasibility; Two mirrors; Water vapor distribution, Optical design; Optical systems; Optical telescopes; Space optics; Telescopes; Water absorption; Water vapor, Optical radar
DOI: 10.1117/1.3461976

Citations: 6
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