Nanowire Implosion Under Laser Amplified Spontaneous Emission Pedestal Irradiation

Overview

Journal Sci Rep

Specialty Science

Date 2023 Nov 24

PMID 38001241

Authors

J F Ong

A Zubarev

A C Berceanu

M Cuzminschi

O Tesileanu

Affiliations

Soon will be listed here.

Abstract

Nanowire array targets exhibit high optical absorption when interacting with short, intense laser pulses. This leads to an increased yield in the production of accelerated particles for a variety of applications. However, these interactions are sensitive to the laser prepulse and could be significantly affected. Here, we show that an array of aligned nanowires is imploded when irradiated by an Amplified Spontaneous Emission pedestal of a [Formula: see text] laser with an intensity on the order of [Formula: see text]. Using radiation hydrodynamics simulations, we demonstrate that the electron density profile is radially compressed at the tip by the rocket-like propulsion of the ablated plasma. The mass density compression increases up to [Formula: see text] when a more dense nanowire array is used. This is due to the ablation pressure from the neighboring nanowires. These findings offer valuable information for selecting an appropriate target design for experiments aimed at enhancing production of accelerated particles.

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