WEOA02
DESY, Hamburg, Germany
INFN/LASA, Segrate (MI), Italy
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WEOA02 |
Photocathodes at FLASH | |
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| Since several years, caesium telluride photocathodes are successfully used in the photoinjector of the Free-Electron-Laser FLASH at DESY, Germany. They show a high quantum efficiency and long lifetime and produce routinely thousands of bunches per second with a single bunch charge mostly in the range of 20 pC to 3 nC. Recent studies on lifetime, quantum efficiency, darkcurrent, and operating experience is reported. | ||
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Slides WEOA02 [3.563 MB] | |