Fabrication of rGO-GO Long Period Fiber Grating Using Laser Reduction Method

A laser-reduction technique is investigated to fabricate a novel long period fiber grating (LPFG), whose period is a section of graphene oxide (GO) and reduced graphene oxide (rGO) films on a side polished fiber. Raman spectra, X-ray diffraction, and Fourier transform infrared spectra show that a CW...

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Bibliographic Details
Main Authors: Liheng Chen, Jianhui Yu, Heyuan Guan, Tingting Zhan, Tianjie Rong, Yujia Kong, Wenguo Zhu, Huihui Lu, Jun Zhang, Zhe Chen
Format: Article
Language:English
Published: IEEE 2017-01-01
Series:IEEE Photonics Journal
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Online Access:https://ieeexplore.ieee.org/document/8068185/
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Summary:A laser-reduction technique is investigated to fabricate a novel long period fiber grating (LPFG), whose period is a section of graphene oxide (GO) and reduced graphene oxide (rGO) films on a side polished fiber. Raman spectra, X-ray diffraction, and Fourier transform infrared spectra show that a CW 405&#x00A0;nm laser with low power of only 84 mW is sufficient to fabricate this LPFG by laser-reducing the GO film to rGO film. It is demonstrated that the dip extinction ratio of 15.3 dB can be achieved for such rGO-GO LPFG with a 500 <italic>&#x03BC;</italic>m period. In addition, it is found that the extinction ratio, full width at half maximum and resonant wavelength of the dip can be optically tuned by the length of LPFG. The work opens a way to implement novel fiber devices based on rGO-GO micro&#x002F;nanostructure.
ISSN:1943-0655