记录实验室闪电弧宽带高分辨率发射光谱的方法

Overview

This study presents a method for acquiring the emission spectrum of laboratory-generated lightning arcs. The technique is non-intrusive and allows for detailed analysis of the lightning's interaction with the surrounding environment.

Key Study Components

Area of Science

• Emission spectroscopy
• Lightning phenomena
• Laboratory experimentation

Background

• Emission spectroscopy has been used to analyze natural lightning.
• Laboratory-generated lightning arcs provide reproducible conditions for study.
• The method allows for insights into the mechanisms of lightning.
• Non-intrusive techniques are essential for accurate measurements.

Purpose of Study

• To acquire the emission spectrum of generated lightning arcs.
• To understand the interaction of lightning with air and other elements.
• To develop a reliable laboratory method for studying lightning.

Methods Used

• Use of a lightning generator in a controlled environment.
• Fiber optic system to capture light from the discharge region.
• Calibration of the spectrograph system for accurate measurements.
• Data collection through multiple measurements across a range of wavelengths.

Main Results

• Emission spectra were successfully recorded from the lightning arcs.
• Identified spectral lines from nitrogen, oxygen, argon, and tungsten.
• Data showed the presence of atmospheric elements in the spectra.
• The method can be applied to other fast electrical discharges.

Conclusions

• The developed method provides valuable insights into lightning behavior.
• It can enhance understanding of fast electrical discharges.
• Future applications may extend beyond lightning to other phenomena.

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