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Infrared-induced temperature distributions of solid D2 ices
Authors:Bi Peng  Xie Duan  Lin Wei  Wang Kai  Liu Jiang-Ping  Tang Yong-Jian  Yang Xiang-Dong  Lei Hai-Le
Institution:a Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China;b Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China
Abstract:A specific-wavelength infrared (IR) light (λ=3140 nm) was irradiated into a solid D2 ice prepared in a cylinder target cell. The temperature in the solid D2 ice oscillated periodically with a high amplitude when irradiated by the IR light. The temperature oscillation has been well explained based on the two-dimensional heat transfer theory plus the IR-irradiation effect. The transmission optical imaging reveals that such a temperature oscillation is favorable to recrystallize the solid D2 ice from multicrystal to quasi single crystal. This suggests an efficient method to layer the solid hydrogen-isotope ice for the inertial-confinement-fusion (ICF) experiments.
Keywords:heat transfer  solid deuterium  infrared irradiation
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