Polarization influence of excited state absorption on the performance of Cr4+:YAG laser
β Scribed by V. Kartazaev; R.R. Alfano
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 337 KB
- Volume
- 242
- Category
- Article
- ISSN
- 0030-4018
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π SIMILAR VOLUMES
A Franck-Condon and ligand field analysis of published spectral data are used to characterize the lowest excited state of Cr 4+ at the distorted tetrahedral sites in Ca2GeO a as dominated by a split component of the 3T: term, with a negligibly small 1E admixture, in contrast to Mg2SiO 4 (forsterite)
## lhe combined effects of upconversion and pump excited state absorption losses on the gain from co-and contmdirectwnallypumped erbium-doped fiber amplifiers have been studied qerimentully and simulated numerically. Our results indicate that for all fiber lengths, contradirectional gain is higher