Characterization of the Fields Inside the CO2-Laser-Driven Wakefield Accelerators using Relativistic Electron Beams

I. Petrushina, R. Zgadzaj, M. Petrusky, B. Romasky, A. Gaikwad, E. Trommer, N. Manzella, Y. Cao, M. Babzien, M. Fedurin, R. Kupfer, K. Kusch, M. Palme, I. Pogorelsk, M. Polyanski, A. Farrell, C. Zhang, Y. Wu, K. Miller, M. DownerC. Joshi, V. N. Litvinenko, N. Vafaei-Najafabadi

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The CO2 laser at the Accelerator Test Facility of Brookhaven National Laboratory is a unique source generating 2 ps-long, multi-TW pulses in the long-wave infrared regime (LWIR). This rapidly evolving system opens an opportunity for generation of large bubbles in low density plasmas (1016 cm-3) that are ideal for acceleration of externally injected electron beams. A new generation of diagnostic tools is needed to charac-terize the fields inside such structures and to improve the means of external injection. In recent years, the electron beam probing technique has shown to be successful in direct visualization of the plasma wakefields. Here we present a new method utilizing electron beam probing and Transmission Electron Microscopy (TEM) grids that will allow us to selectively illuminate different portions of the wake and to characterize the electric field strength within the wake based on the location of the focal point of the probe beamlets. The analytical evaluation of the approach, supporting simulation results, and recent experimental progress will be presented and discussed.

Original languageEnglish
Title of host publication2022 IEEE Advanced Accelerator Concepts Workshop, AAC 2022 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers
ISBN (Electronic)9798350333411
DOIs
StatePublished - 1 Jan 2022
Externally publishedYes
Event20th IEEE Advanced Accelerator Concepts Workshop, AAC 2022 - Long Island, United States
Duration: 6 Nov 202211 Nov 2022

Publication series

Name2022 IEEE Advanced Accelerator Concepts Workshop, AAC 2022 - Proceedings

Conference

Conference20th IEEE Advanced Accelerator Concepts Workshop, AAC 2022
Country/TerritoryUnited States
CityLong Island
Period6/11/2211/11/22

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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