A novel fiber grating preparation method: single-pulse laser for drawing tower gratings with the phase-mask technique

Kai Jin; Liyun Ding; Guanghui He; Huiyong Guo; Jianguan Tang; Dian Fan; Desheng Jiang

doi:10.1117/12.2575870

5 November 2020 A novel fiber grating preparation method: single-pulse laser for drawing tower gratings with the phase-mask technique

Kai Jin, Liyun Ding, Guanghui He, Huiyong Guo, Jianguan Tang, Dian Fan, Desheng Jiang

Author Affiliations +

Proceedings Volume 11568, AOPC 2020: Optics Ultra Precision Manufacturing and Testing; 115680J (2020) https://doi.org/10.1117/12.2575870
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China

Abstract

Using phase mask technology, the method of online preparation of wire-drawing tower grating (DTG) under single pulse laser was studied. the self-prepared DTG separately tested its breaking strength, the consistency of hundreds of identical gratings (center wavelength and reflectivity), and the temperature response of thousands of gratings in a single fiber. The results show that under the optimal process, the mechanical strength of DTG is not only consistent with the original fiber, but also relatively 6% higher than that of FBG; the isotropic grating at different positions, the center wavelength is stable within 80pm, and the reflectance difference is less than 3dB, and the temperature response consistency is very high. Therefore, the proposed single-pulse laser based on the phase mask to prepare the drawing tower grating can fully meet the requirements of the internet of things for large-capacity, fast response, long-distance, densely distributed fiber sensor network technology.

Citation Download Citation

Kai Jin, Liyun Ding, Guanghui He, Huiyong Guo, Jianguan Tang, Dian Fan, and Desheng Jiang "A novel fiber grating preparation method: single-pulse laser for drawing tower gratings with the phase-mask technique", Proc. SPIE 11568, AOPC 2020: Optics Ultra Precision Manufacturing and Testing, 115680J (5 November 2020); https://doi.org/10.1117/12.2575870

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