Visualization of 1.908-μm radiation of a Tm:YLF laser using PbF 2 -based ceramics doped with Ho 3+  ions

A. P. Savikin; A. S. Egorov; A. V. Budruev; I. Yu. Perunin; I. A. Grishin

doi:10.1134/S1063785016110079

Visualization of 1.908-μm radiation of a Tm:YLF laser using PbF₂-based ceramics doped with Ho³⁺ ions

Authors: Savikin A.P.¹, Egorov A.S.¹, Budruev A.V.¹, Perunin I.Y.¹, Grishin I.A.¹
Affiliations:
1. Lobachevsky State University of Nizhny Novgorod
Issue: Vol 42, No 11 (2016)
Pages: 1083-1086
Section: Article
URL: https://journals.rcsi.science/1063-7850/article/view/201889
DOI: https://doi.org/10.1134/S1063785016110079
ID: 201889

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Abstract

Visualization of IR radiation of a Tm:YLF laser at 1908 nm in PbF₂ ceramic samples has been investigated. Luminescence spectra of the PbF₂ samples doped with Нo³⁺ exhibited bands at wavelengths of 490, 545, and 650 nm (this red band is the strongest). It is established that at, a low laser intensity, the ⁵I₅ and ⁵I₆ levels are occupied mainly due to the ion–ion energy transfer.