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TY - CPAPER AU - Li, C.L. AU - Corbett, W.J. AU - Mitsuhashi, T.M. TI - Characterization of the SR Visible Beam Polarization State at SPEAR3 J2 - Proc. of International Beam Instrumentation Conference (IBIC2015), Melbourne, Australia, 13-17 September 2015 AB - Synchrotron radiation has the well-known property of horizontal field polarization in the midplane with increasingly elliptical polarization in the vertical plane. By measuring the beam intensity transmitted through a linear polarizer, it is possible to characterize the beam polarization state, determine the Stokes' parameters and solve for the beam polarization ellipse in the visible portion of the SR spectrum. The results can be compared with Schwinger's equations for synchrotron radiation taking into account the effect of extraction mirrors. PB - JACoW CY - Geneva, Switzerland SP - 364 EP - 368 KW - polarization KW - radiation KW - diagnostics KW - synchrotron KW - synchrotron-radiation DA - 2016/01 PY - 2016 SN - 978-3-95450-176-2 DO - 10.18429/JACoW-IBIC2015-TUPB021 UR - http://accelconf.web.cern.ch/AccelConf/IBIC2015/papers/tupb021.pdf ER -