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Photonics Handbook®
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ARTICLE OF THE HOUR Fiber Lasers
Emerging in Major Markets
Since its inception, the fiber laser has attracted users because of its large gain and the ability to produce continuous lasing. The modern fiber laser is pumped by high-power multimode single-emitter diodes or diode bars, typically through a cladding surrounding a single-mode core. This single-mode core is typically 5 to 12 ┬Ám in diameter. The double-clad fiber consists of an inner single-mode core doped with the appropriate rare-earth ions such as neodymium, erbium, ytterbium and thulium. The...

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