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Article10.1117/12.2184242

Fabrication of fiber Bragg gratings in embedded-core hollow optical fiber

Guopei Mao,Bo Sun,Tingting Yuan,Xing Zhong,Jinhui Shi,Chunying Guan+1 more-2015-07-01-Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE
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TL;DRAbstract

A novel Bragg fiber grating (FBG) in an embedded-core hollow optical fiber (ECHOF) has been proposed and experimentally demonstrated. The high-quality FBG fabricated with phase-mask technique by using 248 nm ultraviolet laser, has a resonant wavelength of ~943.1 nm and a dip of ~24.2 dB. Subsequently, the dependences of the resonant peak on the temperature and the axial strain were studied. Experimental results show that the temperature and axial stain sensitivity are 6.5 pm/°С and 1.1 pm/με, respectively. In addition, a 0.03 nm shift of the transmission dip can be obtained when the polarization state changes from X polarization to Y polarization.

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A novel Bragg fiber grating (FBG) in an embedded-core hollow optical fiber (ECHOF) has been proposed and experimentally demonstrated. The high-quality FBG fabricated with phase-mask technique by using 248 nm ultraviolet laser, has a resonant wavelength of ~943.1 nm and a dip of ~24.2 dB. Subsequently, the dependences of the resonant peak on the temperature and the axial strain were studied. Experimental results show that the temperature and axial stain sensitivity are 6.5 pm/°С and 1.1 pm/με, respectively. In addition, a 0.03 nm shift of the transmission dip can be obtained when the polarization state changes from X polarization to Y polarization.

Keywords

Materials scienceFiber Bragg gratingOpticsPHOSFOSPolarization-maintaining optical fiberOptoelectronicsPlastic optical fiberFabrication

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