13 October 1999 Simple method of direct measurement of refractive index change in fiber grating fabrication
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Abstract
For detecting photo-induced refractive index changes directly in chalcogenide fibers, a heterodyne interferometer with a linear frequency modulated laser diode as light source is reported. Such technique can be employed in fabrications of both transmission and Bragg gratings in different kinds of fibers.
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Min Li, Min Li, Yanbiao Liao, Yanbiao Liao, Enyao Zhang, Enyao Zhang, Shurong Lai, Shurong Lai, } "Simple method of direct measurement of refractive index change in fiber grating fabrication", Proc. SPIE 3783, Optical Diagnostics for Fluids/Heat/Combustion and Photomechanics for Solids, (13 October 1999); doi: 10.1117/12.365762; https://doi.org/10.1117/12.365762
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