Influence of the Experimental Setup on Electromagnetic Pulses in the VHF Band at Relativistic High-Power Laser Facilities
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Published:2024-05-14
Issue:5
Volume:11
Page:459
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ISSN:2304-6732
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Container-title:Photonics
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language:en
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Short-container-title:Photonics
Author:
Ehret Michael1ORCID, Volpe Luca12ORCID, Apiñaniz Jon Imanol1ORCID, Rodríguez-Frías Maria Dolores13ORCID, Gatti Giancarlo1ORCID
Affiliation:
1. Centro de Laseres Pulsados (CLPU), 37185 Villamayor, Spain 2. Física Aplicada a las Ingenierías Aeronáutica, Universidad Politécnica de Madrid, 28040 Madrid, Spain 3. Física y Matemáticas, Universidad de Alcalá, 28801 Madrid, Spain
Abstract
We present experimental results for the controlled mitigation of the electromagnetic pulses (EMPs) produced in the interactions of a 1 PW high-power 30 fs Ti:Sa laser VEGA-3 with solid-density targets transparent to laser-forward-accelerated relativistic electrons. This study aims at the band of very high frequencies (VHFs), i.e., those in the hundreds of MHz, which comprise the fundamental cavity modes of the rectangular VEGA-3 vacuum chamber. We demonstrate mode suppression by a tailoring of the laser-produced space charge distribution.
Funder
European Union’s Horizon 2020 research and innovation program
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