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3 March 2003 Optics for the Extreme Universe Space Observatory (EUSO)
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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.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Roy M. Young Jr. and Yoshi Takahashi "Optics for the Extreme Universe Space Observatory (EUSO)", Proc. SPIE 4858, Particle Astrophysics Instrumentation, (3 March 2003);


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