Laser gain by electron collisional pumping of Ar VII–V XII
| Autor: | Th.M. El-Sherbini, I. M. Azzouz, S. H. Allam, M. E. Yahia |
|---|---|
| Rok vydání: | 2008 |
| Předmět: |
education.field_of_study
Electron density Materials science Plasma parameters Population Gain Electron Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Electron temperature Atomic number Electrical and Electronic Engineering Atomic physics education Collisional excitation |
| Zdroj: | Optics & Laser Technology. 40:1008-1017 |
| ISSN: | 0030-3992 |
| DOI: | 10.1016/j.optlastec.2008.03.004 |
| Popis: | Gain coefficients have been calculated for transitions of singlet levels n s– n p of orbital n= 4 and n= 5 in magnesium-like ions with atomic numbers Z =18, 19, 20, 21, 22 and 23. Population inversions for 4p and 5p levels in these ions were also calculated, via electron collisional excitation, for electron temperature range of 93–231 eV and electron density range of 10 16 –10 17 cm −3 . Under these plasma conditions, the maximum gain that occurred for 4s – 4p transition was at electron temperature of ∼231 eV and electron density of ∼4×10 17 cm −3 . Scaling of the maximum gain coefficients with atomic number Z and the plasma parameters is also presented. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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