2 February 2009 Wavelength tuning of fiber Bragg grating based on fiber side polishing
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Abstract
Side polished fiber Bragg grating (SPFBG) is made as a side of cladding of a FBG is polished just to remain several micrometers by the a side polishing method, such as a method with a motor-driven polishing wheel. The response of Bragg wavelength of SPFBG to the refractive index of material overlaid on the polished area of SPFBG was investigated by both theoretical calculation and experiments. Both calculation and experiments showed that the Bragg wavelength of side polished FBG would shift to the longer as the refractive index of the overlaid material increased. The sensitivity of SPFBG to the refractive index of material overlaid on the side polished area could be used for wavelength tuning of FBG or as refractive index sensor.
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Zhe Chen, Zhe Chen, Linhe Liu, Linhe Liu, } "Wavelength tuning of fiber Bragg grating based on fiber side polishing", Proc. SPIE 7157, 2008 International Conference on Optical Instruments and Technology: Advanced Sensor Technologies and Applications, 71570J (2 February 2009); doi: 10.1117/12.807570; https://doi.org/10.1117/12.807570
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