Surface Modification of ICF Target Capsules by Pulsed Laser Ablation

Carlson, L.; Johnson, Michael; Bunn, Thomas L.

doi:10.13182/fst15-248

Cited by 3 publications

(1 citation statement)

References 56 publications

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“…Inertial confinement fusion (ICF) is a valid method used to obtain the generation power source of the future, and is based on the implosion of ICF targets [1][2][3]. The implosion process occurs in a capsule made up of an amorphous hydrogenated carbon material such as glow discharge polymer (GDP), which has low density, low atomic number, wonderful surface smoothness, uniform wall thickness, etc [4,5]. The GDP films are mostly prepared by plasma-enhanced chemical vapor deposition (PECVD) [6,7].…”

Section: Introductionmentioning

confidence: 99%

The effect of axial ion parameters on the properties of glow discharge polymer in T₂B/H₂ plasma

Ai¹,

He²,

Huang³

et al. 2018

J. Phys. D: Appl. Phys.

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Glow discharge polymer (GDP) films were fabricated using plasma-enhanced chemical vapor deposition. The main purpose of this work was to explore the correlations of plasma parameters with the surface morphology and chemical structure of GDP films. The intensities of main positive ions and ion energy as functions of axial distances in T 2 B/H 2 plasma were diagnosed using energy-resolved mass spectrometry. The surface morphology and chemical structure were characterized as functions of axial distances using a scanning electron microscope and Fourier transform infrared spectroscopy, respectively. As the axial distance increases, both the intensities of positive ions and high energy ions decreases, and dissociation weakens while polymerization enhances. This leads to the weakening of the cross-linking structure of GDP films and the formation of dome defects on films. Additionally, high energy ions could introduce a strong etching effect to form etching pits. Therefore, an axial distance of about 20 mm was found to be the optimal plasma parameter to prepare the defect-free GDP films. These results could help one to find the optimal plasma parameters for GDP film deposition.

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Section: Introductionmentioning

confidence: 99%

The effect of axial ion parameters on the properties of glow discharge polymer in T₂B/H₂ plasma

Ai¹,

He²,

Huang³

et al. 2018

J. Phys. D: Appl. Phys.

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Quantitative Defect Analysis of Ablator Capsule Surfaces Using a Leica Confocal Microscope and a High-Density Atomic Force Microscope

Huang

Carlson

Requieron

et al. 2016

Fusion Science and Technology

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Automation of NIF Target Fabrication

Carlson

Huang

Alexander

et al. 2016

Fusion Science and Technology

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Surface Modification of ICF Target Capsules by Pulsed Laser Ablation

Cited by 3 publications

References 56 publications

The effect of axial ion parameters on the properties of glow discharge polymer in T₂B/H₂ plasma

The effect of axial ion parameters on the properties of glow discharge polymer in T₂B/H₂ plasma

Quantitative Defect Analysis of Ablator Capsule Surfaces Using a Leica Confocal Microscope and a High-Density Atomic Force Microscope

Automation of NIF Target Fabrication

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Surface Modification of ICF Target Capsules by Pulsed Laser Ablation

Cited by 3 publications

References 56 publications

The effect of axial ion parameters on the properties of glow discharge polymer in T2B/H2 plasma

The effect of axial ion parameters on the properties of glow discharge polymer in T2B/H2 plasma

Quantitative Defect Analysis of Ablator Capsule Surfaces Using a Leica Confocal Microscope and a High-Density Atomic Force Microscope

Automation of NIF Target Fabrication

Contact Info

Product

Resources

About

The effect of axial ion parameters on the properties of glow discharge polymer in T₂B/H₂ plasma

The effect of axial ion parameters on the properties of glow discharge polymer in T₂B/H₂ plasma