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1 July 2015 Fabrication of fiber Bragg gratings in embedded-core hollow optical fiber
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Proceedings Volume 9655, Fifth Asia-Pacific Optical Sensors Conference; 96552Z (2015)
Event: Fifth Asia Pacific Optical Sensors Conference, 2015, Jeju, Korea, Republic of
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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Guopei Mao, Bo Sun, Tingting Yuan, Xing Zhong, Jinhui Shi, Chunying Guan, and Libo Yuan "Fabrication of fiber Bragg gratings in embedded-core hollow optical fiber", Proc. SPIE 9655, Fifth Asia-Pacific Optical Sensors Conference, 96552Z (1 July 2015);

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