Bragg resonance in microfiber realized by two-photon polymerization

Optics Express
Jia WangYiping Wang

Abstract

A new method for microfiber Bragg gratings (μ-FBGs) fabrication by means of two-photon polymerization in photosensitive resin is reported. Such polymerized μ-FBGs were cured along with the surface of microfibers without any damage or distortion to the substrate. The laser intensity was optimized to improve the spectral properties of the polymerized gratings. The refractive index measurement was performed and the maximum sensitivity obtained is ~207 nm/RIU at the refractive index value of 1.440 with the fiber diameter being 1.7 μm. This work opens a new idea for optical structure integration and further optical functionality integration.

References

Aug 17, 2001·Nature·S KawataK Takada
Sep 17, 2008·Optics Express·Xin Guo, Limin Tong
May 17, 2004·Optics Express·Gilberto BrambillaDavid Richardson
Jun 3, 2009·Applied Optics·Changrui LiaoKenneth T V Grattan
Apr 8, 2010·Optics Express·Shoji MaruoYohei Saito
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Sep 27, 2012·Sensors·Jun-Long KouGilberto Brambilla
Apr 30, 2017·Optics Letters·Chupao LinYiping Wang

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Citations

Jun 5, 2020·ACS Applied Materials & Interfaces·Cong XiongYiping Wang

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