Fabrication of hollow glass microspheres for inertial confinement fusion targets by depolymerizable mandrel method

Xu Wei; Wang Tao; He Zhibing; Wu Zhangwen

doi:10.11884/HPLPB201527.062008

Volume 27 Issue 06

May 2015

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Ma Lianying, Zhou Songqing, Huang Chao, et al. Purifying technology for non-chain discharge-pumped HF laser media at high frequency[J]. High Power Laser and Particle Beams, 2018, 30: 051003. doi: 10.11884/HPLPB201830.170313

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Xu Wei, Wang Tao, He Zhibing, et al. Fabrication of hollow glass microspheres for inertial confinement fusion targets by depolymerizable mandrel method[J]. High Power Laser and Particle Beams, 2015, 27: 062008. doi: 10.11884/HPLPB201527.062008

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Fabrication of hollow glass microspheres for inertial confinement fusion targets by depolymerizable mandrel method

doi: 10.11884/HPLPB201527.062008

Xu Wei^1,2,
Wang Tao¹,
He Zhibing^{1
,
,},
Wu Zhangwen²

1.
Research Center of Laser Fusion,CAEP,Mianyang 621900,China;
2.
Key Laboratory for Radiation Physics and Technology of Ministry of Education,Institue of Nuclear Science and Tecnology,Sichuan University,Chengdu 610064,China

Received Date: 2015-03-22
Rev Recd Date: 2015-04-13
Publish Date: 2015-05-26

Abstract

Abstract

A preparation method of hollow glass microsphere (HGM) is investigated, which adopts glow discharge polymerization technology and uses tetramethyl silane (TMS) as the dopant gas, in order to control the diameter and thickness of hollow glass microspheres for inertial confinement fusion targets. The results show that 5% silicon in Si-GDP shells is a compromised concentration for fabricating HGM whose diameter is 400-600 m and thickness is 5-15 m. We can successfully control the shrinkage of the diameter and wall thickness at about 38%. The carbon concentration of the samples decreases significantly and it mainly exists in the form of CSi bonding, while the silicon concentration increases significantly and it mainly exists in the form of SiO bonding after the sintering step. The residual pressure reaches 72.95% in the shells which filled 1.23 MPa deuterium after 96 h.
- chemical vapor deposition-depolymerizable mandrel method,
- hollow glass microsphere,
- silicon concentration,
- inertial confinement fusion

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