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Proceedings Paper

Optics for the Extreme Universe Space Observatory (EUSO)
Author(s): Roy M. Young Jr.; Yoshi Takahashi
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Paper Abstract

Optical systems consisting of Fresnel lenses have been shown to provide large aperture, wide field imaging capabilities for systems with forgiving imaging requirements. Fresnel lenses can be manufactured very thin, which makes them ideal for space applications where system mass and absorption losses are critical. A pair of double-sided, curved Fresnel lenses has been proposed as the optical elements for a space-based detector, the Extreme Universe Space Observatory, (EUSO). The EUSO mission objective is to investigate extreme energy cosmic rays (EECRs), those with energies >3E19 eV, and very high-energy cosmic neutrinos. EUSO will use the earth's atmosphere as a calorimeter by observing atmospheric fluorescence in the Earth's night sky produced by the extensive air showers (EASs) created by EECRs. This paper will describe the EUSO mission and the design of the 2.5-meter optical subsystem. Results of test performed on prototype systems and manufacturing options will also be discussed.

Paper Details

Date Published: 3 March 2003
PDF: 8 pages
Proc. SPIE 4858, Particle Astrophysics Instrumentation, (3 March 2003); doi: 10.1117/12.458009
Show Author Affiliations
Roy M. Young Jr., NASA Marshall Space Flight Ctr. (United States)
Yoshi Takahashi, Univ. of Alabama in Huntsville (United States)

Published in SPIE Proceedings Vol. 4858:
Particle Astrophysics Instrumentation
Peter W. Gorham, Editor(s)

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