NDLI: The focal surface of the jem-euso telescope

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The focal surface of the jem-euso telescope

Content Provider	NASA Technical Reports Server (NTRS)
Author	Kawasaki, Yoshiya
Copyright Year	2007
Description	Extreme Universe Space Observatory onboard JEM/EP (JEM-EUSO) is a space mission to study extremely high-energy cosmic rays. The JEM-EUSO instrument is a wide-angle refractive telescope in near-ultraviolet wavelength region to observe time-resolved atmospheric fluorescence images of the extensive air showers from the International Space Station. The focal surface is a spherical curved surface, and its area amounts to about 4.5 square m. The focal surface detector is covered with about 6,000 multi-anode photomultipliers (MAPMTs). The focal surface detector consists of Photo-Detector-Modules, each of which consists of 9 Elementary Cells (ECs). The EC contains 4 units of the MAPMTs. Therefore, about 1,500 ECs or about 160 PDMS are arranged on the whole of the focal surface of JEM- EUSO. The EC is a basic unit of the front-end electronics. The PDM is a, basic unit of the data acquisition system
File Size	313368
Page Count	4
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20090028659
Archival Resource Key	ark:/13960/t6vx5b880
Language	English
Publisher Date	2007-07-03
Access Restriction	Open
Subject Keyword	Astronomy Spacecraft Modules International Space Station Photometers Photomultiplier Tubes Telescopes Spaceborne Telescopes Japanese Space Program Cosmic Rays Focal Plane Devices Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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