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SMuK 2023 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 2: Advanced Light Sources and their Instrumentation

AKBP 2.7: Talk

Monday, March 20, 2023, 17:30–17:45, CHE/0184

Advanced applications of laser heaters — •Linus Bölte1, Philipp Amstutz2, Christopher Gerth2, Shaukat Khan1, and Carsten Mai11Center for Synchrotron Radiation (DELTA), TU Dortmund University, Dortmund, Germany — 2Deutsches Elektronen Synchrotron DESY, Hamburg Germany

Many FEL facilities use laser heaters to increase the electron energy spread and hence suppress microbunching instabilities. As part of the FLASH2020+ upgrade at DESY, a laser heater has been installed upstream of the first bunch compressor chicane. The goal of the FLASH Laser-Assisted Reshaping of Electron bunches (FLARE) project is to implement energy modulation schemes expanding the laser heater's basic purpose. This includes intentionally overheating regions of the electron bunch, as well as an up to now untested bunch compression method that will allow the generation of tunable few-femtosecond and possibly sub-femtosecond electron distributions. First studies on advanced applications of the laser heater will be presented.

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