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TY - CONF AU - Chen, H.H. AU - Chang, H.-P. AU - Chen, C.L. AU - Fann, C.-S. AU - Lin, K.-K. AU - Lin, Y.K. AU - Tsai, K.L. ED - Schaa, Volker RW ED - Arduini, Gianluigi ED - Pranke, Juliana ED - Seidel, Mike ED - Lindroos, Mats TI - Bz Calculation of TPS Linac Focusing Coils and a Toolkit for Bz Optimization J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017 C1 - Copenhagen, Denmark T2 - International Particle Accelerator Conference T3 - 8 LA - english AB - A set of focusing coils is installed along TPS linac beam centerline at low energy region (< 10 MeV) in order to confine the beam radius within 5 mm. The longitudinal magnetic field calculation along the beam centerline has been carried out in this study. The estimated Bz is obtained based on Biot-Savart law calculation. Then, it is verified by field measurement using Gauss meter at specific centerline locations. Calibration process is performed by comparing the calculated and measured Bz fields at selected operation settings. The comparison result is presented in this report. The linac operation experience indicates that tuning of the coil settings is critical concerning beam property optimization. Consequently, a Bz calculation toolkit is developed to cope with the multi-knobs optimization process while tuning of numerous focusing coils installed in the system at various locations. The applications of the Bz calculation toolkit is briefly described. PB - JACoW CP - Geneva, Switzerland SP - 4321 EP - 4323 KW - toolkit KW - linac KW - focusing KW - electron KW - operation DA - 2017/05 PY - 2017 SN - 978-3-95450-182-3 DO - 10.18429/JACoW-IPAC2017-THPIK098 UR - http://jacow.org/ipac2017/papers/thpik098.pdf ER -