Bulletin of the American Physical Society
66th Annual Meeting of the APS Division of Plasma Physics
Monday–Friday, October 7–11, 2024; Atlanta, Georgia
Session CP12: Poster Session II:
Science Education, Public Engagement and DEI
High School
Undergraduate
2:00 PM - 5:00 PM
Monday, October 7, 2024
Hyatt Regency
Room: Grand Hall West
Abstract: CP12.00093 : Fabrication of Metallic Nanowire Targets for High-Repetition-Rate Experiments*
Presenter:
Angelica Leah Boyette
(North Carolina State University)
Authors:
Angelica Leah Boyette
(North Carolina State University)
Carlos Monton
(General Atomics)
Alejandro Jara
(General Atomics)
In this poster, we detail the characteristics of nanostructured targets fabricated at General Atomics aimed to provide improved laser-target coupling. These targets are free-standing, made of an array of vertically aligned copper nanowires with diameters ranging from 100 to 250 nm and lengths from 1 to 5 μm. The interwire distance is adjusted to 450 nm to ensure it is coupled in the visible light range. The substrate is fabricated via electrodeposition of a thin copper film to improve the diagnostic from the backside of the target. Nanowire arrays are synthesized by a second electrodeposition into porous alumina templates transferred onto the copper film. We explain the use of these targets in high-repetition-rate experiments at General Atomics’ GALADRIEL facility.
*Work supported by US DOE under the SULI program, US DOE contract 89233119CNA000063 and General Atomics IR&D funding.
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