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Modulation of coaxial modal interferometers based on long period gratings in double cladding fibers

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Valencià Castellano

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Modulation of coaxial modal interferometers based on long period gratings in double cladding fibers

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Sáez-Rodríguez, David; Cruz Muñoz, José Luis; Díez Cremades, Antonio; Andrés, Miguel V.

Aquest document és un/a article, creat/da en: 2007

This paper reports on the dynamic modulation of coaxial interferometers based on two cascaded long period gratings written in double cladding fibers. The interferometer is modulated by a piezoelectric ceramic which stretches one the gratings at tens of kHz, the output light is intensity modulated with an efficiency of 97 %. The device operates at 1530nm, has more than 50nm bandwidth, insertion loss of 0.4 dB and a temperature drift of 0.11 nm/ºC.

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