'Heat cleaning' presentation slideshows

A. Brachmann J. Clendenin E. Garwin T. Maruyama D. Luh S. Harvey R. Kirby C. Prescott R. Prepost

350 views • 26 slides

D. A. Orlov 1 , A.S. Terekhov 2 , C. Krantz 1 , S.N. Kosolobov 2 , A.S. Jaroshevich 2 , A. Wolf 1

Long term operation of high quantum yield GaAs-photocathodes at the electron target of the Heidelberg TSR using multiple recleaning by atomic hydrogen. D. A. Orlov 1 , A.S. Terekhov 2 , C. Krantz 1 , S.N. Kosolobov 2 , A.S. Jaroshevich 2 , A. Wolf 1.

355 views • 20 slides

GaAs and CsKSb Photocathodes for DC Gun

GaAs and CsKSb Photocathodes for DC Gun. Xianghong Liu Cornell University. Outline. GaAs photocathode DC Gun of ERL photoinjector Preparation procedure Performance Quantum efficiency Temporal response Transverse energy Surface roughening due to heating Lifetime challenges

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Introduction

Anode Plate. Stem. Laser. XHV. Electrons. Ceramic. Photocathode. Cathode ball. a. a. a. b. b. b. c. c. c. d. d. d. e. e. e. f. f. f. e -. BINDING ENERGY (eV). BINDING ENERGY (eV). BINDING ENERGY (eV). E affinity. e -. E affinity. h ?. E g. E g. h ?. E fermi.

158 views • 1 slides