Measurement of charge limit in a strained lattice GaAs photocathode

P. Saez; Ray K. Alley; H. Aoyagi; James Clendenin; Josef C. Frisch; C. Garden; Earl Hoyt; Bob Kirby; L. Klaisner; A. Kulikov; C. Prescott; D. Schultz; Huan Tang; James L. Turner; Klaus H. Witte; Michael B. Woods; M. Zolotorev

doi:10.1117/12.158587

15 October 1993 Measurement of charge limit in a strained lattice GaAs photocathode

P. Saez, Ray K. Alley, H. Aoyagi, James Clendenin, Josef C. Frisch, C. Garden, Earl Hoyt, Bob Kirby, L. Klaisner, A. Kulikov, C. Prescott, D. Schultz, Huan Tang, James L. Turner, Klaus H. Witte, Michael B. Woods, M. Zolotorev

Author Affiliations +

Proceedings Volume 2022, Photodetectors and Power Meters; (1993) https://doi.org/10.1117/12.158587
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

The SLAC Linear Collider (SLC) Polarized Electron Source (PES) photocathodes have shown a charge saturation when illuminated with a high intensity laser pulse. This charge limit in the cesium-activated GaAs crystal seems to be strongly dependent on its surface condition and on the incident light wavelength. Charge limit studies with highly polarized strained lattice GaAs materials are presented.

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P. Saez, Ray K. Alley, H. Aoyagi, James Clendenin, Josef C. Frisch, C. Garden, Earl Hoyt, Bob Kirby, L. Klaisner, A. Kulikov, C. Prescott, D. Schultz, Huan Tang, James L. Turner, Klaus H. Witte, Michael B. Woods, and M. Zolotorev "Measurement of charge limit in a strained lattice GaAs photocathode", Proc. SPIE 2022, Photodetectors and Power Meters, (15 October 1993); https://doi.org/10.1117/12.158587

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