Study on preparation of microfiber Bragg grating by reflection wavelength monitoring method

Zhengwei Peng; Chuan Qu; Shenghai Zhang; Wenbo Chen; Hui Zhang; Zhengtong Wei

doi:10.1117/12.2626068

27 March 2022 Study on preparation of microfiber Bragg grating by reflection wavelength monitoring method

Zhengwei Peng, Chuan Qu, Shenghai Zhang, Wenbo Chen, Hui Zhang, Zhengtong Wei

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 12169AP (2022) https://doi.org/10.1117/12.2626068
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

In order to control of the diameter of microfiber Bragg grating(MFBG) online, a reflection wavelength monitoring method based on chemical etching is proposed in this paper. In the HF acid solution, the optical fiber is regarded as a three-layer uniform cylindrical waveguide structure, and the reflection wavelength corresponds to the outer diameter in a certain environment. By fitting the relationship between the diameter and the reflection wavelength when the diameter is less than 19 μm, the online control of the diameter of MFBG in the range of 9-19 μm can be realized precisely. According to the experimental results, the maximum deviation of the diameter is about 0.31 μm, and the maximum relative deviation is 2.7%. This method provides a new preparation technique for the laboratory research on MFBG

Citation Download Citation

Zhengwei Peng, Chuan Qu, Shenghai Zhang, Wenbo Chen, Hui Zhang, and Zhengtong Wei "Study on preparation of microfiber Bragg grating by reflection wavelength monitoring method", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 12169AP (27 March 2022); https://doi.org/10.1117/12.2626068

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