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TY - CONF AU - Lewellen, J.W. AU - Andrews, H.L. AU - Fleming, R.L. AU - Nichols, K.E. AU - Simakov, E.I. ED - Koscielniak, Shane ED - Satogata, Todd ED - Schaa, Volker RW ED - Thomson, Jana TI - An Electrostatic Fixed-Slit Emittance Measurement System J2 - Proc. of IPAC2018, Vancouver, BC, Canada, April 29-May 4, 2018 C1 - Vancouver, BC, Canada T2 - International Particle Accelerator Conference T3 - 9 LA - english AB - The emittance of a field emission cathode can be difficult to measure close to the emitter, due to the high average current density of the beam and the potential for desorbed material from an imaging screen to contaminate the cathode. We present the design for a dual fixed-slit emittance measurement system for a field emitter cathode, implemented using electrostatic deflecting plates. Results from fabrication and initial testing will be presented. PB - JACoW Publishing CP - Geneva, Switzerland SP - 2274 EP - 2276 KW - emittance KW - cathode KW - electron KW - focusing KW - FEL DA - 2018/06 PY - 2018 SN - 978-3-95450-184-7 DO - 10.18429/JACoW-IPAC2018-WEPAL045 UR - http://jacow.org/ipac2018/papers/wepal045.pdf ER -