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Figure 1
Schematic illustration of the experimental set-up. The photons from a grating-tuned CW CO2 laser pass through the entrance window into the storage ring and are scattered by the electrons in a head-on collision. Those photons that are scattered in the forward direction of the electron beam are the most energetic and carry information on the electron energy. They pass a thick lead collimator used to absorb the photons scattered off-axis and are then detected with an energy-calibrated HPGe detector. The detector/collimator unit is placed on an xy-translation stage for accurate alignment. Co radionuclides are placed in front of the collimator for energy calibration of the detector.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 5| Part 3| May 1998| Pages 392-394
https://doi.org/10.1107/S090904959701532X
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