Email this article On the possibility of laser generation without inversion on the fine-structure levels of a helium atom
- Authors: Petrashen’ A.G.1, Sytenko N.V.1
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Affiliations:
- St. Petersburg State University of Information Technologies, Mechanics, and Optics
- Issue: Vol 122, No 3 (2017)
- Pages: 352-358
- Section: Spectroscopy of Atoms and Molecules
- URL: https://ogarev-online.ru/0030-400X/article/view/165339
- DOI: https://doi.org/10.1134/S0030400X17020229
- ID: 165339
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Abstract
It is shown that laser generation is possible in principle upon coherent excitation according to the V-scheme of the (1s2p)3Pj levels with j = 1, 2 of a helium atom from the (1s2s)3S1 level of the same atom when the latter level is, in turn, populated by electron or proton impact.
About the authors
A. G. Petrashen’
St. Petersburg State University of Information Technologies, Mechanics, and Optics
Author for correspondence.
Email: apetrashen@mail.ru
Russian Federation, St. Petersburg, 197101
N. V. Sytenko
St. Petersburg State University of Information Technologies, Mechanics, and Optics
Email: apetrashen@mail.ru
Russian Federation, St. Petersburg, 197101
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