Anti-stokes luminescence of Y2O3:Er |
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Authors: | A. N. Gruzintsev |
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Affiliation: | 1. Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences, ul. Akademika Osip’yana 6, Chernogolovka, Moscow oblast, 142432, Russia
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Abstract: | Diffuse reflectance and spontaneous photoluminescence excitation spectra of the Y2O3:Er (10 at % Er) compound have been studied under varied optical pumping conditions. The results demonstrate that the anti-Stokes luminescence of erbium-doped yttrium oxide has high intensity when two different photon energies are used for infrared illumination. The resonance wavelengths of IR photons for two-photon excitation of visible emission in the Y2O3:Er phosphor have been determined, and the corresponding electron transitions in erbium-related emission centers have been identified for the Stokes and anti-Stokes luminescence. |
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