Design and Test Results of Kicker Units for the Positron Accumulator Ring at the APS.pdfVIP

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Design and Test Results of Kicker Units for the Positron Accumulator Ring at the APS.pdf

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Design and Test Results of Kicker Units for the Positron Accumulator Ring at the APS

Design and Test Results of Kicker Units * for the Positron Accumulator Ring at the APS J. Wang Argonne National Laboratory 9700 South Cass Avenue, Argonne, Illinois 60439 Abstract order to reduce the inductance, the magnet is divided into two half-turn magnets, each having a separate pulse forming Three fast kicker units have been designed, tested, and network (PFN). The magnet is also divided longitudinally installed in the positron accumulator ring (PAR) at the into multiple sections to make it a distributed magnet. Advanced Photon Source (APS) for beam injection and extraction. The performance of these kicker units has been Pulse Forming Network satisfactory. This paper presents the design and test results. The pulse forming network consists of two parts. Part I. INTRODUCTION one is made of AA7949 triaxial cables by Times Microwave Systems, Inc. Each cable is made 12 meters long and then Three fast kicker units are required in the PAR at the trimmed to the proper length during the test to