Comparative analysis of lithiated silica glasses by laser-induced breakdown spectroscopy and raman spectroscopy

In this work, we present the laser cleaning of a Rubidium vapor cell and the Raman analysis of the contaminant material to be removed. The optical window of the vapor cell had gradually lost transparency due to the development of an opaque layer of unknown composition at the inner side during the normal operation of the cell. Laser cleaning was successfully performed by a frequency-doubled Nd:YAG laser focusing the beam inside the cell, avoiding any possible damage to the window. A single laser pulse was enough to clear away the black discoloration at the focal spot and locally restore the transparency of the window. The Raman spectra of the deposit showed peaks not yet described in the literature. Comparison with known Rubidium germanate spectra and simulation results strongly suggested that the unknown material was Rubidium silicate.

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Laser cleaning and Raman analysis of the contamination on the optical window of a rubidium vapor cell

Gádoros

Czitrovszky

Nagy

et al. 2022

Sci Rep

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Comparative analysis of lithiated silica glasses by laser-induced breakdown spectroscopy and raman spectroscopy

Cited by 1 publication

References 43 publications

Laser cleaning and Raman analysis of the contamination on the optical window of a rubidium vapor cell

Laser cleaning and Raman analysis of the contamination on the optical window of a rubidium vapor cell

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