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Q-switching of an all-fiber laser by acousto-optic modulation of a fiber Bragg grating
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Q-switching of an all-fiber laser by acousto-optic modulation of a fiber Bragg grating
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| Delgado-Pinar, Martina; Zalvidea, D.; Díez Cremades, Antonio; Pérez Millán, Pere; Andrés, Miguel V. Perfil | |||
| This document is a artículoDate2006 | |||
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| We report active Q-switching of an all-fiber laser using a Bragg grating based acousto-optic modulator. Q-switching is performed by modulating a fiber Bragg grating with an extensional acoustic wave. The acoustic wave modulates periodically the effective index profile of the FBG and changes its reflection features. This allows controlling the Q-factor of the cavity. Using 1 m of 300 ppm erbium-doped fiber and a maximum pump power of 180 mW, Q-switch pulses of 10 W of peak power and 82 ns wide were generated. The pulse repetition rate of the laser can be continuously varied from few Hz up to 62.5 kHz. | |||
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Delgado-Pinar, Martina Zalvidea, D. Díez Cremades, Antonio Pérez Millán, Pere Andrés, Miguel V. 2006 Q-switching of an all-fiber laser by acousto-optic modulation of a fiber Bragg grating Optics Express 14 3 1106 1112 |
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| https://doi.org/10.1364/OE.14.001106 |
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22 - Física [3728]