Thulium:ZBLAN blue fiber laser pumped by two wavelengths
- Semiconductor Research Center, Matsushita Electric Industrial Company, Ltd., 3-1-1 Yagumonakamachi, Moriguchi, Osaka 570 (Japan)
We demonstrate and analyze an upconversion blue fiber laser pumped by two wavelengths. Lasing at 0.48 {mu}m with very low pump threshold power is obtained from a Tm-doped fluorozirconate fiber that is counterpropagating pumped by 1.21- and 0.649-{mu}m light. We employed a rate-equation analysis using parameters obtained by fitting to the experimental data to predict the 0.48-{mu}m output characteristics as a function of fiber length and output reflectivity. {copyright} 1997 Optical Society of America
- OSTI ID:
- 565526
- Journal Information:
- Applied Optics, Journal Name: Applied Optics Journal Issue: 15 Vol. 36; ISSN APOPAI; ISSN 0003-6935
- Country of Publication:
- United States
- Language:
- English
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