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环形腔掺铒光纤折射率测量。

Ring Cavity Erbium-Doped Fiber for Refractive Index Measurements.

机构信息

Department of Electrical, Electronic and Communication Engineering, Public University of Navarra, 31006 Pamplona, Spain.

Institute of Smart Cities (ISC), Public University of Navarra, 31006 Pamplona, Spain.

出版信息

Sensors (Basel). 2022 Nov 30;22(23):9315. doi: 10.3390/s22239315.

DOI:10.3390/s22239315
PMID:36502017
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9737264/
Abstract

In this study, an interrogation system based on an erbium-doped fiber ring cavity for refractive index measurements is presented and experimentally demonstrated. This cavity ring includes a 1 × 3 coupler wherein one of the fiber output ports is used to increase the optical power of the system by means of an FBG used as a reflector. The other two output ports are used as a refractive index sensing head and reference port, respectively. An experimental demonstration of this proposed sensor system for the measurement of a distinct refractive index is presented.

摘要

在这项研究中，提出并实验验证了一种基于掺铒光纤环形腔的讯问系统，用于折射率测量。该环形腔包括一个 1×3 耦合器，其中一个光纤输出端口用于通过用作反射器的 FBG 增加系统的光功率。另外两个输出端口分别用作折射率传感头和参考端口。本文展示了该传感器系统在测量不同折射率方面的实验演示。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9d8f/9737264/f972b9996035/sensors-22-09315-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9d8f/9737264/15ce9662d7fc/sensors-22-09315-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9d8f/9737264/4e3072792650/sensors-22-09315-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9d8f/9737264/8ae6cd8a4549/sensors-22-09315-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9d8f/9737264/5de4ef9baac1/sensors-22-09315-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9d8f/9737264/aafecc11bf46/sensors-22-09315-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9d8f/9737264/f972b9996035/sensors-22-09315-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9d8f/9737264/15ce9662d7fc/sensors-22-09315-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9d8f/9737264/4e3072792650/sensors-22-09315-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9d8f/9737264/8ae6cd8a4549/sensors-22-09315-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9d8f/9737264/5de4ef9baac1/sensors-22-09315-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9d8f/9737264/aafecc11bf46/sensors-22-09315-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9d8f/9737264/f972b9996035/sensors-22-09315-g006.jpg

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本文引用的文献

1
Fiber Optic Refractive Index Sensors Based on a Ball Resonator and Optical Backscatter Interrogation.基于球谐振器和光背向散射探测的光纤折射率传感器
Sensors (Basel). 2020 Oct 30;20(21):6199. doi: 10.3390/s20216199.
2
Surface plasmon resonance refractive index sensor based on fiber-interface waveguide inscribed by femtosecond laser.基于飞秒激光写入光纤界面波导的表面等离子体共振折射率传感器。
Opt Lett. 2019 May 15;44(10):2434-2437. doi: 10.1364/OL.44.002434.