8th HEAD Meeting, 8-11 September, 2004
Session 23 Neutrinos and Cosmic Rays
Poster, Friday, September 10, 2004, 9:00am-10:00pm

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[23.02] Absolute Photometric Calibration of Large Optical Systems

R. Meyhandan (Auger, LSU)

A method of absolute calibration for the air shower fluorescence detectors of the Pierre Auger Observatory is presented along with, preliminary results from prototype equipment.

A 2.5m diameter light source uniformly illuminated by ultra-violet light emitting diodes, is calibrated and mounted at the detector aperture. The final end-to-end measurement provides an absolute photon calibration at a wavelenght of 375nm.

The author(s) of this abstract have provided an email address for comments about the abstract: rmeyhand@auger.phys.lsu.edu

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Bulletin of the American Astronomical Society, 36 #3
© 2004. The American Astronomical Soceity.