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Efficient Side-Pumping Scheme Excites Short Fiber Lasers

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Breck Hitz

Fiber lasers based on low-melting-point glasses can accept much higher doping levels -- sometimes as high as 20 percent by weight -- than conventional silica-glass fiber lasers. Such high levels open the possibility of fiber lasers whose length is measured in centimeters rather than in meters. With such a short interaction length, the nonlinear effects that plague conventional high-power fiber lasers can be avoided. Moreover, shortening the laser increases the frequency spacing between adjacent longitudinal modes, so the shorter the laser, the easier it becomes to force oscillation in a...Read full article

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    Published: October 2004
    coreless pump fibersfiber lasersfiber opticshigh-power fiber lasersResearch & Technologysilica-glass fiber lasersLasers

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