Laser-Driven MeV X-ray Radiography using the NIF-ARC laser system

D. Rusby; S. M. Kerr; G. J. Williams; A. Kemp; A. Aghedo; A. MacPhee; S. Wilks; M. P. Hill; M. Aufderheide; J. Bude; A. Mackinnon

doi:10.1364/3D.2023.JTu4A.14

Optica Imaging Congress (3D, COSI, DH, FLatOptics, IS, pcAOP)
Technical Digest Series (Optica Publishing Group, 2023),
paper JTu4A.14
•https://doi.org/10.1364/3D.2023.JTu4A.14

Laser-Driven MeV X-ray Radiography using the NIF-ARC laser system

D. Rusby, S. M. Kerr, G. J. Williams, A. Kemp, A. Aghedo, A. MacPhee, S. Wilks, M. P. Hill, M. Aufderheide, J. Bude, and A. Mackinnon

3D Image Acquisition and Display: Technology, Perception and Applications 2023

Boston, Massachusetts United States
14–17 August 2023
ISBN: 978-1-957171-28-9

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Joint Poster Session I (JTu4A)

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D. Rusby, S. M. Kerr, G. J. Williams, A. Kemp, A. Aghedo, A. MacPhee, S. Wilks, M. P. Hill, M. Aufderheide, J. Bude, and A. Mackinnon, "Laser-Driven MeV X-ray Radiography using the NIF-ARC laser system," in Optica Imaging Congress (3D, COSI, DH, FLatOptics, IS, pcAOP), Technical Digest Series (Optica Publishing Group, 2023), paper JTu4A.14.

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Abstract

High intensity lasers (>1 x 10¹⁸ W/cm²) interacting with a plasma can accelerate a spectrum of electrons whose temperature can be several mega-electron volts. It has been shown experimentally that the efficiency of laser energy into this electron population is on the order of 10s of percent. There are many potential applications of laser driven sources including the acceleration of protons from a mechanism known as Target-Normal-Sheath-Acceleration and the subsequent generation of neutrons. One application is x-ray radiography. If the populations of MeV electrons are accelerated into a high-Z converter, MeV x-rays can be generated via bremsstrahlung [1].

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