Conference Presentation

PUBDB-2020-00575

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Terahertz generation and acceleration

Kärtner, F. (Corresponding author)CFEL*Extern*DESY*

2019

Abstract: The generation and use of THz radiation for electron acceleration and manipulation of electron bunches has progressedover the last decade to a level where practical devices for THz guns, acceleration and a wide range of beam manipulationshave become possible. Here, we present on our progress to generated single-cycle THz pulses at the twohundred micro-Joule level to drive advanced acceleration and beam manipulation devices. Specifically, a segmented terahertz electronaccelerator and manipulator (STEAM) capable of performing multiple high-field operations on the 6D-phase-space ofultrashort electron bunches is demonstrated using these pulses. Using this device, powered by single-cycle, 0.3 THz pulses,we demonstrate record THz-acceleration of >60 keV, streaking with <10 fs resolution, focusing with >2 kT/m strength,compression to ~100 fs as well as real-time switching between these modes of operation. The STEAM device demonstratesthe feasibility of THz-based electron accelerators, manipulators and diagnostic tools enabling science beyond currentresolution frontiers with transformative impact.

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Contributing Institute(s):

1. FS-CFEL-2 (CFEL-UFOX)

Research Program(s):

1. 6211 - Extreme States of Matter: From Cold Ions to Hot Plasmas (POF3-621) (POF3-621)

Experiment(s):

1. No specific instrument

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