10 W widely tunable narrow linewidth double-clad fiber ring laser
| Autor: | Sylvia Jetschke, M. Auerbach, Dieter Wandt, Sonja Unger, Carsten Fallnich, H.-R. Muller, P. Adel |
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| Rok vydání: | 2009 |
| Předmět: |
Distributed feedback laser
Dye laser Materials science Laser diode business.industry Slope efficiency Physics::Optics Polarization-maintaining optical fiber Injection seeder Laser Atomic and Molecular Physics and Optics law.invention Laser linewidth Optics law Fiber laser Optoelectronics Physics::Atomic Physics Laser power scaling business Tunable laser |
| Zdroj: | Optics express. 10(2) |
| ISSN: | 1094-4087 |
| Popis: | Summary form only given. We report on a widely tunable narrow linewidth ytterbium-doped fiber ring laser device with a linearly polarized output power of 10 W. The Large Mode Area (LMA) core of the 20 m long fiber had a diameter of 10 /spl mu/m and was doped with 1000 ppm ytterbium. The core was transverse single-mode for wavelengths above 1 /spl mu/m. The pump-cladding was D-shaped in order to improve the pump light absorption. As pump source we used a fiber coupled 980 nm laser diode. The small quantum defect between the pump and the laser wavelength enables a very high efficiency. At maximum pump power of nearly 32 W a linearly polarized output power of 10 W with a slope efficiency of 68% with respect to the absorbed pump power at a wavelength of 1080 nm was achieved. |
| Databáze: | OpenAIRE |
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