Contribution to a conference proceedings/Contribution to a book

PUBDB-2022-02867

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Update Of The Bunch Arrival Time Monitor At Elbe

Kuntzsch, M. (Corresponding author) ; Czwalinna, M.DESY* ; Kral, J.DESY* ; Maalberg, A. ; Schwarz, A. ; Zenker, K.

2022
JACoW Publishing Geneva, Switzerland

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Please use a persistent id in citations: doi:10.18429/JACOW-IPAC2022-MOPOPT016  doi:10.3204/PUBDB-2022-02867

Abstract: The bunch arrival time monitor (BAM) at the radiation source ELBE has been upgraded twofold. In order to achieve a higher precision a new frontend has been designed, based on a development by DESY, that uses state of the art 50 GHz electro-optical modulators (EOMs). The frontend allows for thermal control of critical components and monitoring of system parameters. The modulated EOM signals and monitoring data are distributed to a new readout electronic. The new MicroTCA-based receiveris based on a dedicated FMC card developed at DESY that is installed on an FMC25 carrier board. The arrival time is calculated on a FPGA with low latency and can be used for machine diagnostic. The code has been adapted to enable the processing of a data stream of the continuous train of electron bunches, allowing for the implementation of a cw beam based feedback in a next step. The contribution will describe the BAM setup as well as the performance measured at the ELBE accelerator.

Keyword(s): Accelerator Physics ; MC6: Beam Instrumentation, Controls, Feedback and Operational Aspects

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Contributing Institute(s):

1. Strahlkontrollen (MSK)

Research Program(s):

1. 621 - Accelerator Research and Development (POF4-621) (POF4-621)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2022

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