Two-dimensional Thomson scattering diagnostics of pulsed discharges produced at atmospheric pressure

Two-dimensional Thomson scattering diagnostics of pulsed discharges produced at atmospheric pressure
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大气压下产生的脉冲放电的二维汤姆逊散射诊断

DOI:
10.1088/1748-0221/7/02/c02057
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发表时间:
2012
影响因子:
1.3
通讯作者:
K Takaki
K Takaki
中科院分区:
工程技术4区
文献类型:
--
作者:
K Tomita;N Bolouki;H Shirozono;Y Yamagata;K Uchino;K Takaki

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应用激光汤姆逊散射(LTS)方法测量了400 Torr压力下氖气体脉冲放电的电子密度(n e)和电子温度(T e)的二维分布。用一根针和一个间隔0.5 mm的半球组成的一组电极产生这种放电,具有良好的再现性。在放电开始后T = 25 ns处和放电中心处的n e和T e分别为4.6× 10 22 m−3和1.0 eV。根据观测到的信号强度和噪声成分,分析了信噪比,并讨论了将本诊断系统应用于电子密度低至10 18 m−3的放电等离子体的方法。
Laser Thomson scattering (LTS) method has been applied to measure two dimensional distributions of electron density (n e) and electron temperature (T e) of a pulsed discharge in Ne gas at a pressure of 400 Torr. Such a discharge was produced with good reproducibility by using a set of electrodes composed of a needle and a hemisphere with a spacing gap of 0.5 mm. The values of n e and T e at t= 25 ns after the start of the discharge and at the center of the discharge were evaluated to be 4.6× 10 22 m− 3 and 1.0 eV, respectively. Based on the observed signal intensity and noise components, signal-to-noise ratios were examined and the way to apply present diagnostic system to the discharge plasma with an electron density as low as 10 18 m− 3 was discussed.
用于大气等离子体生产的容量耦合多次放电
DOI: --
发表时间: 2003
期刊: APPLIED PHYSICS LETTERS 83(26)
影响因子: --
作者:
H.Mase;T.Fujiwara;N.Sato
通讯作者: N.Sato
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EUV 等离子体的集体汤姆逊散射诊断
DOI: --
发表时间: 2008
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作者:
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大气压下的容量耦合多次放电
DOI: 10.1109/tps.2004.828116
发表时间: 2004
影响因子: 1.5
作者:
H. Mase;T. Fujiwara;N. Sato
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DOI: 10.1109/tps.2004.823980
发表时间: 2004-02-01
影响因子: 1.5
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