10–15 Aug 2025
SAFE Credit Union Convention Center
America/Los_Angeles timezone

Passive plasma lens experiments at FACET-II

WEP064
13 Aug 2025, 16:00
2h
SAFE Credit Union Convention Center

SAFE Credit Union Convention Center

1401 K St, Sacramento, CA 95814
Poster Presentation MC3 - Novel Particle Sources, Acceleration Techniques, and their Applications WEP: Wednesday Poster Session

Speaker

Mr Shutang Meng (University of Colorado Boulder)

Description

The beam-driven, passive plasma lens can provide axisymmetric focusing with strengths orders of magnitude greater than conventional quadrupole magnets, while remaining ultra-compact. These characteristics make it attractive for beam matching into a plasma wakefield accelerator and for controlling beam divergence downstream of plasma stages. Optimal performance can be achieved in the underdense regime, resulting in a linear focusing force and emittance preservation of the focused beam. We report progress on experimental results from SLAC’s FACET-II facility, where we utilized a fs Ti:Sapphire laser pulse to ionize hydrogen gas from a supersonic gas jet to focus several hundred pCs of charge of a 10 GeV electron beam.

Funding Agency

U.S. Department of Energy, Office of Science, Office of High Energy Physics, Award Number DE-SC001796; National Science Foundation Grant Number PHY-2047083.

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Author

Mr Shutang Meng (University of Colorado Boulder)

Co-authors

Erik Adli (University of Oslo) Robert Ariniello (SLAC National Accelerator Laboratory) Dr Gevy Jiawei Cao (University of Oslo) Sebastien Corde (Laboratoire d'Optique Appliquée) Dr Christopher Doss (Lawrence Berkeley National Laboratory) Thamine Dalichaouch (University of California, Los Angeles) Claudio Emma (SLAC National Accelerator Laboratory) Spencer Gessner (SLAC National Accelerator Laboratory) Claire Hansel (University of Colorado Boulder) Mark Hogan (SLAC National Accelerator Laboratory) Chan Joshi (University of California, Los Angeles) Alexander Knetsch (SLAC National Accelerator Laboratory) Valentina Lee (University of Colorado Boulder) Michael Litos (University of Colorado Boulder) Nathan Majernik (SLAC National Accelerator Laboratory) Kenneth Marsh (University of California, Los Angeles) Brendan O'Shea (SLAC National Accelerator Laboratory) Elena Ros (University of Colorado Boulder) Douglas Storey (SLAC National Accelerator Laboratory) Chaojie Zhang (University of California, Los Angeles)

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