Laser system development towards a compact Thomson photon source

Thomson scattering of laser pulses from relativistic electron beams can provide MeV photons, relevant to numerous applications including nuclear nonproliferation. We present the concept and construction of such a source. Here we focus on a 100 TW class laser system dedicated to this development, and its operation. We present stability data and alignment techniques to enable the multi-beam experiment. Experiments to produce controllable laser-plasma-accelerated (LPA) electron-beams with narrow energy- and spatial distributions are described. Initial experiments towards Thomson scattering using this new setup have started and will be presented.

*Work supported by the US DOE National Nuclear Security Administration, Defense Nuclear Nonproliferation RD (NA22), by the US DOE under Contract No. DE-AC02-05CH11231, and by the National Science Foundation under NSF Grant No. PHY-1632796.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DPP.NP11.17

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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 NP11: Poster Session V: Laser-plasma Particle Acceleration; HEDP; Turbulence and Transport; DIII-D Tokamak; Machine Learning, Data Science (9:30am-12:30pm)

Abstract: NP11.00017 : Laser system development towards a compact Thomson photon source*

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