A low pressure mercury vapor resonance ionization image detector

被引：11
|
作者：
Matveev, OI [1 ]
Smith, BW [1 ]
Winefordner, JD [1 ]
机构：
[1] Univ Florida, Dept Chem, Gainesville, FL 32611 USA
来源：
APPLIED PHYSICS LETTERS | 1998年 / 72卷 / 14期
关键词：
D O I：
10.1063/1.121149
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Narrow-band spectrally selective image detection based upon the resonance ionization of mercury atoms in a low pressure cell is described. Image dimensions and intensities were measured versus the wavelength of ionizing laser radiation and the dependence upon the voltage applied to electrodes was studied. The position sensitive image of the electron beam, created by two-step resonance photoionization of mercury, was studied when the detected laser beam was scanned spatially. A distorting influence of space charge due to positive mercury ions on the electron beam image was observed. Means of eliminating these distortions are discussed. (C) 1998 American Institute of Physics. [S0003-6951(98)02114-7].
引用
收藏
页码：1673 / 1675
页数：3
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