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Conference Paper
Pump Beam Combiner based on Single Mode Fibres
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- Authors
- Hong Seok Seo, Joon Tae Ahn, Bong Je Park
- Issue Date
- 2009-06
- Citation
- Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference (CLEO/Europe-EQEC) 2009, pp.1-1
- Language
- English
- Type
- Conference Paper
- Abstract
- Cladding pumped fibre lasers have been rapidly researched and developed with the help of semiconductor laser diode bars and stacks [1]. These fiber lasers, particularly Yb-doped double clad fiber lasers, have demonstrated a high power conversion efficiency of approximately 80% and a high-quality beam with M^2 ≈ 1. The output power of a fiber laser is determined by how effectively pump light can be coupled into the inner cladding layer of a double clad fiber. In this paper, we introduce an efficient pump beam combiner based on single mode fibres.