PPT-Beam coupling impedance reduction techniques

Mario Beck HSC section meeting 2 October 2017 Thanks to The Impedance Working Group Bruno Balhan Mike Barnes Giovanni Rumolo Carlo Zannini Introduction I Beam coupling impedance describes the interaction of the beam with its surrounding in frequency domain wake in time domain. 63mm VM with unshielded Bellows. Tuesday 6/11 2012. O.Berrig. & B. Salvant . 1. CST model of the VM module (diameter = 63 mm). 2. 63 mm. CST model of the RF fingers. 3. The natural state of the RF fingers. 3-4-2014. Impedance overview. ac source. cell. R. C. d. c null detector. ac null detector. Potentiometer to null dc voltage. R. B. d. c null detector. R. A. V. –. +. R. u. R. I. 1. . + I. 2. . I. Randall . Wayth. – ICRAR/Curtin University. MWA Primary beam. Background:. Beam amplitude bootstrapping in MWA GLEAM Survey . “False Q” seem by Emil in high . freq. , large zenith angle . obs. Y-Chamber for . SPS Crab . cavity. By Phoevos Kardasopoulos. Thanks to Benoit Salvant. ,. Pei Zhang, Fred Galleazzi, Roberto Torres-Sanchez and Alick MacPherson . Impedance Meeting. Date: 14/04/14 . Preliminary analysis. . . C. . Zannini, E. . Metral, G. Rumolo, B. . Salvant . Model studied. LHC design as it is built and installed. weld. In this step we are only interested to understand the effect of the weld .. The . types of coupling used in amplifiers. 1. Resistance – capacitance (RC) coupling. . 2. Inductance (LC) coupling. . 3. Transformer coupling (TC) . 4. Direct coupling (D.C.). Visit for more Learning Resources. of perfect flat surfaces with uniform resistance. Martin Duignan, Elisa Garcia-. Tabares. , Laura . Grob. , . Xiuguang. . Jin. , Anne-Laure . Lamure. , Mostafa . Salahshoor. , Roberto . Salemme. , Theo Sinkovits . Yoshiteru Hidaka. Electron and X-Ray Beam Stability Review. 01/18/2018. Outline. Overview. of NSLS-II Insertion Devices. Beam Size Change from ID Gap/Phase Variations. Beam-based Coupling Measurement. 3-4-2014. Impedance overview. ac source. cell. R. C. d. c null detector. ac null detector. Potentiometer to null dc voltage. R. B. d. c null detector. R. A. V. –. . R. u. R. I. 1. . I. 2. . I. Karl Bane. FLS2012 Workshop. 7 March 2012. Longitudinal microwave instability. --Coherent synchrotron radiation (CSR). --Impedance scaling for small angle transitions. --Impedance budget. of perfect flat surfaces with uniform resistance. Martin Duignan, Elisa Garcia-. Tabares. , Laura . Grob. , . Xiuguang. . Jin. , Anne-Laure . Lamure. , Mostafa . Salahshoor. , Roberto . Salemme. , Theo Sinkovits . Electron cloud and single . beam collective effects . due . to beam coupling impedance in FCC-. ee. E. Belli, M. . Migliorati. , S. . Persichelli. , M. . Zobov. Outline. Resistive wall wake fields and impedances . Synchrotrons. ‹#›. Simulations and Recent Measurements at MedAustron. Pablo Arrutia Sota. RHUL. TECH at CERN. JAI Fest, 6th December 2019. Outline. Introduction: From synchrotron to user. . Loss reduction at Extraction. Impedance tutorials:. Sergio Calatroni, Benoit Salvant. Many thanks for their help and support to. David Amorim, Nicolo Biancacci and Francesco Giordano . (CERN, ImpedanceWake2D). Monika Balk, Nadine .