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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 14: Instrumentation II

AKBP 14.3: Vortrag

Donnerstag, 23. März 2023, 16:00–16:15, CHE/0183

An all-optical streak camera to measure the jitter between two beams in the single-digit femtosecond regime — •Marc Osenberg¹, Ahmad Fahim Habib², Lina Wübbena¹, Michael Stumpf¹, and Georg Pretzler¹ — ¹Institute of Laser- and Plasmaphysics, University Düsseldorf — ²University of Strathclyde, Glasgow

We present a novel All-Optical Streak Camera (AOSC) based on the Kerr-effect which measures the relative temporal position of a laser pulse and a second short pulse of arbitrary constituents (e.g., electrons, protons, light, or x-rays) in a single shot. Many modern accelerator concepts rely on the coupling of an electron beam with a laser beam, which must overlap with ultra-high temporal precision down to the low fs-regime which will be shown quantitatively by simulation results. Our new device comes in at this point, measuring the temporal position of the electron pulse relative to the laser pulse for single shots, which will also show jitter or temporal drifts. We show proof-of principle experiments of this new device with an ultrashort laser pulse (6 fs FWHM) demonstrating resolution in the 10-fs regime.