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Deposition Sciences Inc. - Difficult Coatings - LB - 8/23

Bragg Gratings Enable Efficient Phosphate Glass Fiber Lasers

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Phosphate fibers have advantages over conventional silica fibers.

Breck Hitz

Although silica glass is the material of choice for nearly all of today’s fiber lasers, the rare-earth doping level that can be achieved in silica glass is a significant limitation to its performance in lasers, especially in pulsed lasers. Fibers made from phosphate glass can accommodate higher doping levels and, therefore, might be more appropriate for many laser applications. However, they have one critical drawback: Until now, engineers have been unable to write reflective-index gratings into phosphate glass fibers. Thus, phosphate glass fiber lasers have been forced to use spliced-on...Read full article

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    Published: December 2006
    Glossary
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    CoatingsCommunicationsfiber lasersfiber opticsphotonicsResearch & Technologyresonator mirrorssilica glass

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