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Advancement of the Wide-angle JEM-EUSO Optical System with Holographic and Fresnel LensesJEM-EUSO is a space mission to observe extremely high-energy cosmic rays, evolved from the previous design studies of EUSO. It is adjusted for the Japan Experiment Module (JEM) of the International Space Station (ISS). JEM-EUSO uses a wide-angle refractive telescope in near-ultraviolet wavelength region to observe from ISS the time-and-space-resolved atmospheric fluorescence images of the extensive air showers. The JEM-EUSO optics is re-designed after the ESA-Phase A studies to upgrade the light-collecting-power by using a new material CYTOP, and its overall light-collecting power is about 1.5 times higher than the ESA-Phase A baseline optics. We describe in this paper an optimized optics design that maximizes the sensitivity of JEM-EUSO, and the results of the optics manufacturing tests.
Document ID
20090028780
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Authors
Takizawa, Y. (JEM/EUSO Collaboration Japan)
Adams, J.H. (JEM/EUSO Collaboration Japan)
Date Acquired
August 24, 2013
Publication Date
July 3, 2007
Subject Category
Optics
Report/Patent Number
MSFC-323
Meeting Information
Meeting: International Cosmic Ray Conference
Location: Merida, Yucatan
Country: Mexico
Start Date: July 3, 2007
End Date: July 11, 2007
Sponsors: International Union of Pure and Applied Physics
Distribution Limits
Public
Copyright
Public Use Permitted.

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