Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7908095 | Optical Materials | 2018 | 7 Pages |
Abstract
The fluorescence of Cr3+ ions doped insulating crystals was studied under the excitation in the long-wavelength tail of the absorption spectrum (“laser cooling regime”). The 4T2 - 4A2 and 2E - 4A2 fluorescence spectra with a dominant anti-Stokes component were observed. Though no optical refrigeration was detected in the presented experiments, the spectroscopic results suggest that electron-phonon bands of Cr3+ ions are of interest for further investigations from the point of view of achieving optical refrigeration.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
S.P. Feofilov, A.B. Kulinkin,