一种尖端放电设计创新性实验的设计及放电特性分析#br#

doi:10．14139/j．cnki．cn22-1228．2026．01．010

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摘要基于双谐振固态特斯拉线圈设计了一种放电间距可调的小尺寸尖端放电实验装置，采用间接测量法测量了针尖与极板之间的距离变化时极板上的感应电压，对尖端放电特性的规律进行系统的研究，并且发现当针尖与极板之间的距离达到临界值时放电现象有明显的突变，在小于临界距离时出现高压电弧放电，大于临界距离时则为针尖端的小角度火花放电。该装置操作便捷，实验现象直观，适用于大学物理教学演示与光电特性研究。

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关键词: 尖端放电特斯拉线圈设计创新性实验

Abstract: Based on the Zeeman effect，this study introduces changes in magnetic field intensity，diffraction
gratings and spectral analysis to explore the influence mechanism of magnetic field intensity variation on the
shadow intensity of sodium lamps．Through preliminary experiments and formal experiments，the phenomenon of
energy level splitting of sodium atoms in the flame under the action of a magnetic field is verified．Quantitative
analysis of spectra and experimental data reveals the relationship between magnetic field intensity and shadow
brightness．The experimental results show that an increase in magnetic field intensity leads to the splitting of the
absorption spectral lines of sodium atoms，reducing their resonant absorption capacity for the yellow light of
sodium lamps and thus lightening the shadows．Further research involves fitting the shadow brightness data and
applying formulas and methods such as the Zeeman effect energy level splitting formula，which confirms a
positive correlation trend between shadow brightness and magnetic field intensity．

Key words: Zeeman effect magnetic field intensity sodium lamp shadow energy level splitting

发布日期: 2026-02-25

ZTFLH:

O 441．1

基金资助: 2024 年横向科研项目［(24)SL-015］;2025 年上海市大学生创新训练项目(cs2521002)

引用本文:

祝顾杰, 黄彧阳, 许东峰, 方敏, 王珊 . 一种尖端放电设计创新性实验的设计及放电特性分析#br#[J]. 大学物理实验, 2026, 39(1): 59-62.
ZHANG Zonghao , ZHANG Shaolun , SHAO Yansong, SONG Haiying . Experimental Investigation of Quantum Dimmers———The Influence of Magnetic Field Intensity on the Variation of Sodium Lamp Shadows. Physical Experiment of College, 2026, 39(1): 59-62.

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https://dawushiyan.jlict.edu.cn/CN/10．14139/j．cnki．cn22-1228．2026．01．010 或 https://dawushiyan.jlict.edu.cn/CN/Y2026/V39/I1/59