Theoretical estimations of the incoherent pumping of laser-induced copper plasma

The optical pumping of laser-induced copper plasma by incoherent light of a fast-discharge xenon flashlamp is proposed to enhance the stimulated emission of the laser-induced plasma (LIP). To study the spatiotemporal evolution of the incoherent pumping of LIP, a numerical approach based on the colli...

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Bibliographic Details
Published in:AIP advances 2023-02, Vol.13 (2), p.025054-025054-8
Main Authors: Tahsildaran, Fatemeh S., Farahbod, Amir H., Malekfar, Rasoul
Format: Article
Language:English
Subjects:
Copper
Discharge
Emission analysis
Flash lamps
Gas temperature
Kinetic equations
Laser induced breakdown spectroscopy
Laser plasmas
Laser pumping
Lasers
Line spectra
Optical pumping
Spectral sensitivity
Stimulated emission
Xenon
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Summary:The optical pumping of laser-induced copper plasma by incoherent light of a fast-discharge xenon flashlamp is proposed to enhance the stimulated emission of the laser-induced plasma (LIP). To study the spatiotemporal evolution of the incoherent pumping of LIP, a numerical approach based on the collisional-radiative model and kinetic equations has been employed. The influence of total density and gas temperature on the stimulated emission and gain coefficient of the plasma plume was studied. The results show an enhancement of the intensity of the spectral lines of atomic copper. This idea demonstrates that the pumping of LIP by a low energy, fast-discharge flashlamp may be replacement for the expensive laser-pumped LIP for the improvement of the sensitivity of the related spectral diagnostics methods of plasma, such as laser-induced breakdown spectroscopy.
ISSN:2158-3226
2158-3226
DOI:10.1063/5.0123377