Three-dimensional distribution measurement of electric fields using Stark effect in NaK

被引：1
|
作者：
Takahashi, Y
Yoshino, T
Kawasaki, K
机构：
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1996年 / 35卷 / 4A期
关键词：
optical sensing; Stark effect; electric field measurement; laser-induced fluorescence; laser spectroscopy;
D O I：
10.1143/JJAP.35.2334
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Three-dimensional distribution measurement of electric fields has been demonstrated by applying the Stark effect of sodium-potassium (NaK) molecules. The magnitude of the electric field is determined from the intensity ratio of the Q-branch line to that of the P- and R-branch lines in the laser-induced fluorescence (LIF) spectrum because the Stark level mixing effect gives rise to the appearance of the ''forbidden'' Q line. A method for determining the field polarity is also proposed, in which the intensity variation of the LIF is phase-sensitively detected by superimposing a reference ac field on the de field to be measured.
引用
收藏
页码：2334 / 2338
页数：5
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