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Optical Memory and Neural Networks
Published in: Optical Memory and Neural Networks 3/2023

01-12-2023

LaF3–Er3+ Crystal as Materials for MIR-Lasing Operating

Authors: G. G. Demirkhanyan, R. B. Kostanyan

Published in: Optical Memory and Neural Networks | Special Issue 3/2023

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Abstract—

The possibilities of LaF3–Er3+crystal to obtain cascade lasing with CW pumping at 0.52 μm wavelength are considered. The conditions for the formation of inverse populations between Stark levels of neighboring manifolds are determined. It is shown that, at 100 K and CW pump intensity \({{J}_{p}} \geqslant 350\,\,{{\text{W}} \mathord{\left/ {\vphantom {{\text{W}} {{\text{c}}{{{\text{m}}}^{2}}}}} \right. \kern-0em} {{\text{c}}{{{\text{m}}}^{2}}}}\), it is possible to obtain simultaneously laser radiation at 3.21 and 2.88 μm wavelengths.
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Weber, M.J., Probabilities for Radiative and Non-radiative Decay of Er3+ in LaF3, Phys. Rev., 1967, vol. 157, no. 21, p. 262.CrossRef
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Demirkhanyan, G.G. and Kostanyan, R.B., Spectroscopic capabilities of LaF3:Er3+ crystals for MIR lasers cascade operation, J. Contemp. Phys. (Arm. Acad. Sci.), 2020, vol. 55, no. 4, p. 305.
Metadata
Title
LaF3–Er3+ Crystal as Materials for MIR-Lasing Operating
Authors
G. G. Demirkhanyan
R. B. Kostanyan
Publication date
01-12-2023
Publisher
Pleiades Publishing
Published in
Optical Memory and Neural Networks / Issue Special Issue 3/2023
Print ISSN: 1060-992X
Electronic ISSN: 1934-7898
DOI
https://doi.org/10.3103/S1060992X23070068

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