Abstract
The temperature dependence of the main energy transfer processes involved in the building of population inversion in 3 mu m Erbium lasers, mainly upconversion from I-4(13 2), I-4(11 2), and cross-relaxation from I-4(9 2), is investigated In the temperature domain 20-100 degrees C, which includes the usual working temperatures of solid-state lasers, the change of the quantum efficiency is mainly due to the modifications of the Stark sublevels populations involved in laser transitions. The contribution of the cross-relaxation from I-4(9 2) is estimated using new experimental data for two Erbium-doped crystals: Er3+:YAlO3 and Er3+:YLiF4.
| Original language | English (Ireland) |
|---|---|
| Title of host publication | Thermal effects on the quantum efficiency of 3 mu m erbium lasers |
| Number of pages | 5 |
| Volume | 136 |
| Publication status | Published - 1 Jan 1995 |
Authors (Note for portal: view the doc link for the full list of authors)
- Authors
- Georgescu, S,Lupei, V,Glynn, TJ,Sherlock, R
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