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TY - CONF AU - Kan, K. AU - Gohdo, M. AU - Kondoh, T. AU - Nozawa, I. AU - Ogata, A. AU - Toigawa, T. AU - Yang, J. AU - Yoshida, Y. ED - Henderson, Stuart ED - Akers, Evelyn ED - Satogata, Todd ED - Schaa, Volker R.W. TI - Measurement of Temporal Electric Field of Electron Bunch using Photoconductive Antenna J2 - Proc. of IPAC2015, Richmond, VA, USA, May 3-8, 2015 C1 - Richmond, VA, USA T2 - International Particle Accelerator Conference T3 - 6 LA - english AB - A temporal electric field profile, which is a radially polarized terahertz (THz) pulse from an electron bunch, was measured by a large-aperture photoconductive antenna (PCA) with micro-structured concentric electrodes* for the detection of THz pulses. Photo-induced charge carriers were generated by irradiation of femtosecond laser pulses on semiconductor plane of the electrodes on the PCA. Time-domain measurement of coherent transition radiation (CTR) was conducted by the measurement of electric-field-induced current output from the PCA with sweeping the timing of the laser irradiation. The measurements on femtosecond electron bunches of 32 MeV and >80 pC will be reported. PB - JACoW CP - Geneva, Switzerland SP - 1623 EP - 1625 KW - electron KW - laser KW - linac KW - polarization KW - radiation DA - 2015/06 PY - 2015 SN - 978-3-95450-168-7 DO - 10.18429/JACoW-IPAC2015-TUPJE007 UR - http://jacow.org/ipac2015/papers/tupje007.pdf ER -