Active Q-switched distributed feedback erbium-doped fiber lasers
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Pérez Millán, Pere; Cruz Muñoz, José Luis; Andrés, Miguel V.
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Aquest document és un/a article, creat/da en: 2005
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This letter presents a distributed feedback fiber laser that operates in an actively controlled Q-switched regime. The laser is based on a Bragg grating made in an erbium-doped fiber. The grating has a defect induced by a magnetostrictive transducer that configures the distributed feedback laser structure. The phase shift generated by the defect can be dynamically modified by an electric current, permitting active Q-switching of the laser. The laser generates pulses of 75 ns duration and the repetition rate can be continuously adjusted from 0 to 10 kHz. |
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