A unique collection of technical design and applications articles, as well as technology primers presenting the basics of the photonics technology.
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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 µm 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...