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Spectrally and angularly resolved measurements of three-halves harmonic emission from laser-produced plasmas
Kang, N.; Liu, H.; Lin, Z.; Lei, A.; Zhou, S.; Fang, Z.; An, H.; Li, K.; Fan, W.; zqlin@mail.shcnc.ac.cn; LAL@siom.ac.cn
2017
发表期刊Plasma Phys. Control. Fusion
卷号59期号:10
摘要Spectra of three-halves harmonic emissions (3 omega(0)/2) from laser-produced plasmas were measured at different angles, including both forward and backward sides, from the direction of incident laser beams. The 3 omega(0)/2 emitted from carbon-hydrogen (CH) targets was observed to be larger than that from aluminum (Al) targets with the same incident laser intensity, which supports the argument that the two-plasmon decay (TPD) instability could be inhibited by using medium-Z ablator instead of CH ablator in direct-drive inertial confinement fusion. Besides, the measured 3 omega(0)/2-incident intensity curves for both materials suggest relatively lower threshold of TPD than the calculated values. In experiments with thin Al targets, the angular distribution of the blue-and red-shifted peaks of 3 omega(0)/2 spectra were obtained, which shows that the most intense blue-and red-shifted peaks may not be produced in paired plasmons, but the spectra produced by their 'twin' plasmons were not observed. Because 3 omega(0)/2 may have been influenced by other physical processes during their propagation from their birth places to the detectors, the mismatches on emission angle, wavelength shift, and threshold may be qualitatively explained through the assumption that small-scale light filaments widely existed in the corona of laser-produced plasmas.
文章类型Article
部门归属联合
DOI10.1088/1361-6587/aa7f4a
资助者National Science and Technology Innovation Foundation of Chinese Academy of Sciences [CXJJ-15S114, CXJJ-16S042] ; National Science and Technology Innovation Foundation of Chinese Academy of Sciences [CXJJ-15S114, CXJJ-16S042] ; National Science and Technology Innovation Foundation of Chinese Academy of Sciences [CXJJ-15S114, CXJJ-16S042] ; National Science and Technology Innovation Foundation of Chinese Academy of Sciences [CXJJ-15S114, CXJJ-16S042]
收录类别SCI
资助者National Science and Technology Innovation Foundation of Chinese Academy of Sciences [CXJJ-15S114, CXJJ-16S042] ; National Science and Technology Innovation Foundation of Chinese Academy of Sciences [CXJJ-15S114, CXJJ-16S042] ; National Science and Technology Innovation Foundation of Chinese Academy of Sciences [CXJJ-15S114, CXJJ-16S042] ; National Science and Technology Innovation Foundation of Chinese Academy of Sciences [CXJJ-15S114, CXJJ-16S042]
WOS记录号WOS:000408453200001
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/27998
专题高功率激光物理国家实验室
通讯作者zqlin@mail.shcnc.ac.cn; LAL@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
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GB/T 7714
Kang, N.,Liu, H.,Lin, Z.,et al. Spectrally and angularly resolved measurements of three-halves harmonic emission from laser-produced plasmas[J]. Plasma Phys. Control. Fusion,2017,59(10).
APA Kang, N..,Liu, H..,Lin, Z..,Lei, A..,Zhou, S..,...&LAL@siom.ac.cn.(2017).Spectrally and angularly resolved measurements of three-halves harmonic emission from laser-produced plasmas.Plasma Phys. Control. Fusion,59(10).
MLA Kang, N.,et al."Spectrally and angularly resolved measurements of three-halves harmonic emission from laser-produced plasmas".Plasma Phys. Control. Fusion 59.10(2017).
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