Fabrication of disk-shaped, deuterated resorcinol/formaldehyde foam target for laser–plasma experiments
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Date
2021-06-15
Open Access Location
Journal Title
Journal ISSN
Volume Title
Publisher
Cambridge University Press in association with Chinese Laser Press
Rights
(c) 2021 The Author/s
CC BY 4.0
CC BY 4.0
Abstract
Resorcinol/formaldehyde (RF) foam resin is an attractive material as a low-density target in high-power laser–plasma experiments because of its fine network structure, transparency in the visible region, and low-Z element (hydrogen, carbon, and oxygen) composition. In this study, we developed disk-shaped RF foam and deuterated RF foam targets with 40–200 µm thickness and approximately 100 mg/cm3 density having a network structure from 100 nm to a few micrometers cell size. By deuteration, the polymerization rate was drastically slowed down owing to kinetic isotope effects. These targets were used in high-power laser experiments where a megaelectronvolt proton beam was successfully generated.
Description
Keywords
deuterated material, low-density material, resorcinol, formaldehyde foam
Citation
Kaneyasu Y, Nagai K, Cadatal-Raduban M, Golovin D, Shokita S, Yogo A, Jitsuno T, Norimatsu T, Yamanoi K. (2022). Fabrication of disk-shaped, deuterated resorcinol/formaldehyde foam target for laser–plasma experiments. High Power Laser Science and Engineering. 9. e31.