Characterising bremsstrahlung and non-linear Compton scatter in high intensity laser-foil interactions

Date

2020-01-08 09:53

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Volume Title

Publisher

Cranfield University

Department

Type

Poster

ISSN

Format

Citation

Morris, Stuart (2019). Characterising bremsstrahlung and non-linear Compton scatter in high intensity laser-foil interactions. Cranfield Online Research Data (CORD). Poster. https://doi.org/10.17862/cranfield.rd.10109921.v2

Abstract

Non-linear Compton scatter (NCS) and bremsstrahlung radiation both contribute to the X-rays produced in laser-solid interactions. While it is expected that NCS will efficiently generate X-rays for next generation lasers, the weaker NCS yields from laser-solid interactions in existing facilities have not yet been observed due to the bremsstrahlung background. This work attempts to derive a quantitative description of the bremsstrahlung efficiency, for interactions between ultrahigh-intensity short-pulse lasers and thin-foil targets. This model was tested against simulations from the particle-in-cell code EPOCH, which has been extended to include bremsstrahlung modelling capabilities. The relative efficiencies of bremsstrahlung and NCS will be compared to seek NCS signatures for experimental observation.

Description

Software Description

Software Language

Github

Keywords

'Bremsstrahlung', 'Laser', 'Synchrotron', 'DSDS19 Poster', 'DSDS19', 'Condensed Matter Imaging', 'Lasers and Quantum Electronics'

DOI

10.17862/cranfield.rd.10109921.v2

Rights

CC BY-NC 4.0

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Funder/s

EPSRC and AWE

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