Bulletin of the American Physical Society
60th Annual Meeting of the APS Division of Plasma Physics
Volume 63, Number 11
Monday–Friday, November 5–9, 2018; Portland, Oregon
Session PO8: Relativistic Laser Plasma Interaction and Particles (ions, electrons, positrons, neutrons) III
2:00 PM–4:24 PM,
Wednesday, November 7, 2018
OCC
Room: C120-122
Chair: Louise Willingale, University of Michigan
Abstract ID: BAPS.2018.DPP.PO8.1
Abstract: PO8.00001 : Sustainable High Repetition Rate Plasma Mirrors for Petawatt Lasers*
2:00 PM–2:12 PM
Presenter:
Anthony Zingale
(Ohio State Univ - Columbus)
Authors:
Anthony Zingale
(Ohio State Univ - Columbus)
Sven Steinke
(Lawrence Berkeley Natl Lab)
Jianhui Bin
(Lawrence Berkeley Natl Lab)
Ginevra E Cochran
(Ohio State Univ - Columbus)
Christopher V Pieronek
(Univ of California - Berkeley)
Jeroen Van Tilborg
(Lawrence Berkeley Natl Lab)
Fumika Isono
(Lawrence Berkeley Natl Lab)
Samuel Barber
(Lawrence Berkeley Natl Lab)
Nick Czapla
(Ohio State Univ - Columbus)
Jordan Purcell
(Ohio State Univ - Columbus)
Patrick L. Poole
(LLNL)
Wim Pieter Leemans
(Lawrence Berkeley Natl Lab)
Douglass W Schumacher
(Ohio State Univ - Columbus)
Free standing liquid crystal films have shown utility as moderate repetition rate plasma mirrors in ultra-high intensity laser matter interactions (Poole et al., Scientific Reports 6, 32041 (2016)). We report the results of a test of film durability in the BELLA gas capillary electron acceleration environment (Leemans, et al., PRL 113, 245002 (2014)). It was found that films as thin as 10 nm can withstand blow-out plasma 6 cm from the capillary discharge as well as the peak of a nanosecond laser pulse with a fluence of ~400 J/cm2 used for heating. These results inform the suitability of liquid crystal films for short laser pulse redirection in wakefield electron accelerators. A new high repetition rate device (> 1 Hz) is described for inserting 10-30 nm thick plasma mirrors with low weak field reflectivity, good film uniformity, flatness, pointing, and low cost. The design innovations necessary to achieve this performance are described.
*This work was supported by the Department of Energy (DOE) under DE-SC0018192 and DE-AC02-05CH11231 and the National Science Foundation (NSF) under PHY-1632796. JHB acknowledges financial support from the Humboldt foundation.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DPP.PO8.1
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