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TY - CONF AU - Huang, R. AU - Jia, Q.K. ED - Schaa, Volker RW ED - Power, Maria ED - Shiltsev, Vladimir ED - White, Marion TI - Primary Study of the Photocathode Electron Gun With a Cone Cathode and Radial Polarization Laser J2 - Proc. of NAPAC2016, Chicago, IL, USA, October 9-14, 2016 C1 - Chicago, IL, USA T2 - North American Particle Accelerator Conference T3 - 3 LA - english AB - The linearly polarized laser with oblique incidence can achieve a higher quantum efficiency (QE) of metal cathodes than that with the normal incidence, which however requires the wavefront shaping for better performance. To maintain the high QE and simplify the system, we propose a cone cathode electron gun with a radial polarization laser at normal incidence. The primary analytical estimation and numerical simulations are explored for its effect on the emittance of the electron beam. PB - JACoW CP - Geneva, Switzerland SP - 1216 EP - 1219 KW - cathode KW - ion KW - gun KW - laser KW - emittance DA - 2017/01 PY - 2017 SN - 978-3-95450-180-9 DO - 10.18429/JACoW-NAPAC2016-THPOA56 UR - https://jacow.org/napac2016/papers/thpoa56.pdf ER -