Research of rapid annealing of fiber Bragg gratings based on arc plasma

LI Kai; XIN Jingtao; XIA Jiabin; ZHU Lianqing

doi:10.7510/jgjs.issn.1001-3806.2017.05.006

LASER TECHNOLOGY > 2017 > 41(5): 649-653. > DOI: 10.7510/jgjs.issn.1001-3806.2017.05.006

LI Kai, XIN Jingtao, XIA Jiabin, ZHU Lianqing. Research of rapid annealing of fiber Bragg gratings based on arc plasma[J]. LASER TECHNOLOGY, 2017, 41(5): 649-653. DOI: 10.7510/jgjs.issn.1001-3806.2017.05.006

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Research of rapid annealing of fiber Bragg gratings based on arc plasma

1.
Beijing Engineering Research Center of Optoelectronic Information and Instruments, Beijing Information Science and Technology University, Beijing 100016, China
2.
School of Instrument Science and Opto-electronics Engineering, Hefei University of Technology, Hefei 230009, China

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Received Date: November 13, 2016
Revised Date: January 05, 2017
Published Date: September 24, 2017

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Abstract

Abstract

In order to realize rapid annealing of fiber Bragg gratings, high temperature arc plasma heat treatment method was adopted. The related experiments were designed for verification. A fiber Bragg grating (FBG) with transmission spectrum depth of 23dB, central wavelength of 1552.09nm and 3dB bandwidth of 0.2784nm was scanned by arc plasma discharging. The results show that the transmission spectrum depth is reduced, the 3dB bandwidth is narrowed and the central wavelength shows blue shift. The variation trend of each parameter is slowed down with the increasing of the repetitive scanning times. Finally, the transmission spectrum depth is reduced by 13dB, the central wavelength is shifted blue by 0.84nm and the 3dB bandwidth is narrowed by 0.1013nm. After fiber grating is annealed in a high temperature furnace for 24h, the transmission spectrum depth, central wavelength and 3dB bandwidth remain the same. It is feasible to use arc plasma for the annealing of FBG with the advantages of short cycle and no damage of the coating layer.
- gratings,
- annealing,
- arc plasma,
- spectral characteristics

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