Ultrafast ultraviolet laser-induced voltage of air

•Laser-induced voltage (LIV) was applied to characterize the laser-air interaction.•The time evolution and impedance effect of LIV were investigated.•By reducing the load resistor resistance, the LIV trace was triangularly symmetric and the response time was equal to the excitation laser pulse width...

Full description

Saved in:
Bibliographic Details
Published in:Optics and laser technology 2023-11, Vol.166, p.109678, Article 109678
Main Authors: Liu, Xuecong, Zhao, Kun, Miao, Xinyang, Meng, Zhaohui, Zhan, Honglei
Format: Article
Language:English
Subjects:
Air
Laser-induced plasma
Laser-induced voltage
Ultraviolet
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:•Laser-induced voltage (LIV) was applied to characterize the laser-air interaction.•The time evolution and impedance effect of LIV were investigated.•By reducing the load resistor resistance, the LIV trace was triangularly symmetric and the response time was equal to the excitation laser pulse width. In this work, the time-scale laser-induced voltage (LIV) of air was investigated under KrF excimer laser irradiation. The LIV response was fitted by a sum of three exponential functions, where the fitted parameters were influenced by the bias voltage Vb and the laser energy Ein. Higher Vb produced significant LIV. An exponential relationship was observed between the Ein and LIV signal amplitude (Vp). After decreasing the adjustable resistor, the LIV trace was almost triangular and symmetrical due to the impedance effect with the response time which was completely limited by the laser pulse duration. As a potential application, the LIV of air presented a viable method for single-pulse laser detection.
ISSN:0030-3992
1879-2545
DOI:10.1016/j.optlastec.2023.109678