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Electron trap liberation in MgF2 doped with Yb2+ using a two-color excitation experiment

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Abstract

We utilize the optical transitions of Yb2+ excited by an ultraviolet optical parametric amplifier to probe electron trap liberation in MgF2 via the observation of a photoluminescence enhancement effect induced by a subsequent infrared pulse from a free-electron laser. The temperature dependence of the enhancement suggests that we liberate very shallow traps having a depth of approximately 17 cm(-1). The observed "trap spectrum" is consistent with a simple model of a Coulomb trap. (C) 2012 American Institute of Physics. [doi:10.1063/1.3678630]

Year of Publication
2012
Journal
Applied Physics Letters
Volume
100
Issue
4
Number of Pages
041902
Date Published
01/2012
Type of Article
Article
ISBN Number
0003-6951
URL
DOI
PId
1853a25d81ebd104ca5ef091360ae2da
Alternate Journal
Appl. Phys. Lett.
Journal Article
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Citation
Senanayake, P. S., Wells, J. P. R., Reid, M. F., Berden, G., Meijerink, A., & Reeves, R. J. (2012). Electron trap liberation in MgF2 doped with Yb2+ using a two-color excitation experiment. Applied Physics Letters, 100(4), 041902. https://doi.org/10.1063/1.3678630 (Original work published 2012)