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TY - CONF AU - Zheng, L.M. AU - Gai, W. AU - Jing, C.-J. AU - Liu, W. AU - Neveu, N.R. AU - Power, J.G. AU - Shao, J.H. AU - Tang, C.-X. AU - Wisniewski, E.E. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Measurements of Thermal Emittance for Cesium Telluride Photocathodes in an L-Band RF Gun J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - The thermal emittance is a major contributor to the final emittance of an electron beam in a photocathode RF gun. In this paper we present measurement results of thermal emittance for the cesium telluride photocathode at the Argonne Wakefield Accelerator (AWA) facility using the quadrupole scan method. Measurements of the thermal emittance vs. the laser spot size are presented. PB - JACoW CP - Geneva, Switzerland SP - 1491 EP - 1493 KW - laser KW - emittance KW - gun KW - electron KW - cathode DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-TUPAB074 UR - http://jacow.org/ipac2017/papers/tupab074.pdf ER -