Magnetic induction-induced resistive heating of optical fibers and gratings

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Journal Article
Optics Letters, 2013, 38 (6), pp. 926 - 928
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Magnetic induction heating of optical fibers packaged with a steel plate is studied using a fiber Bragg grating. The dependence on the induced wavelength shift with magnetic field is obtained for a commercially available induction heater. More than a 300°C temperature rise is observed within seconds. The potential of magnetic induction as an efficient and rapid means of modulating devices and as a novel approach to potential optical based magnetic field and current sensing is proposed and discussed. The extension of the ideas into micro and nanophotonics is described. © 2013 Optical Society of America.
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