Bragg resonance in microfiber realized by two-photon polymerization
2018; Optica Publishing Group; Volume: 26; Issue: 4 Linguagem: Inglês
10.1364/oe.26.003732
ISSN1094-4087
AutoresJia Wang, Chupao Lin, Changrui Liao, Zongsong Gan, Zhengyong Li, Shen Liu, Lei Xu, Ying Wang, Jun He, Yiping Wang,
Tópico(s)Optical Coherence Tomography Applications
ResumoA 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.
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