Optical fibers for high power lasers and amplifiers

Optical fibers for high power lasers and amplifiers

High power fibers are commonly designed with a double-cladding structure, where an outer low-index region acts as a cladding for a multi-mode pump core. In the center of the pump core is placed a single-mode signal core, doped with active material such as ytterbium. The major advantage of the double...

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Bibliographische Detailangaben
Hauptverfasser: Nielsen, M.D., Hansen, K.P., Broeng, J., Skovgaard, P.M.W., Petersson, A., Jakobsen, C., Simonsen, H.R.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Doped fiber amplifiers
Fiber lasers
High power amplifiers
Optical fiber amplifiers
Optical fibers
Optical materials
Power lasers
Pump lasers
Semiconductor optical amplifiers
Ytterbium
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Beschreibung
Zusammenfassung:High power fibers are commonly designed with a double-cladding structure, where an outer low-index region acts as a cladding for a multi-mode pump core. In the center of the pump core is placed a single-mode signal core, doped with active material such as ytterbium. The major advantage of the double-clad design, over the more traditional core pumped variety is the large pump area and high numerical aperture, enabling pumping with relatively low-cost, high-power, multimode diode stacks
DOI:10.1109/CLEOE.2005.1568493