Converging shock generation with cone target filled with low density foam

9th International Conference on Inertial Fusion Sciences and Applications

Shigemori, K.^1 ; Yamamoto, T.^1 ; Hironaka, Y.^1 ; Kawashima, T.^1 ; Hattori, S.^1 ; Nagatomo, H.^1 ; Kato, H.^1 ; Sato, N.^2 ; Watari, T.^2 ; Takagi, M.^2

Institute of Laser Engineering, Osaka University, Suita, Osaka, Japan^1

Hamamatsu Photonics KK, Hamamatsu, Shizuoka, Japan^2

关键词: Inertial confinement;    Laser facilities;    Low density foam;    Optical pyrometers;    Osaka University;    Pulse durations;    Shock generation;    Two dimensional images;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/717/1/012050/pdf
DOI  :  10.1088/1742-6596/717/1/012050

来源: IOP

【 摘 要 】

We have been developing an alternative scheme of fast ignition of inertial confinement targets with converging shock. Experiments were carried out on GEKKO-XII laser facility at ILE, Osaka University. We employed Au cone targets filled with low- density RF foam (2 mg/cm3). The foam-filled cone targets were irradiated by three beams of the GEKKO-XII, with pulse duration of 1.3 ns, intensity of ∼ 1014W/cm2in 2 :λ(ω0.527μm). Self-emission at the tip of cone was observed by one-dimensional streaked optical pyrometer (SOP) and two-dimensional images.