光电工程, 2018, 45 (9): 170684, 网络出版: 2018-10-02   

光纤传感用激光光源技术

Laser sources for optical fiber sensing
作者单位
1 重庆大学光电技术及系统教育部重点实验室,重庆 400044
2 中国石油化工股份有限公司青岛安全工程研究院,山东 青岛 266000
摘要
光纤传感系统离不开激光光源,作为被测量信号载体的光波,激光光源本身的性能,如激光器的功率稳定性、线宽、相位噪声等参数对光纤传感系统的探测距离、探测精度、灵敏度以及噪声特性起决定性的作用,因此发展优质激光光源已成为近些年的研究热点。本文简要论述了激光光源在光纤传感领域的发展状况;重点介绍了窄线宽激光光源、可调谐激光光源以及宽带白光光源在光纤传感技术领域中的应用需求;概括了现有激光光源在光纤传感中所面临的主要限制因素和关键技术。为了进一步提高光纤传感系统的性能指标,获得可在任意波段、任意时刻实现的超窄、超稳理想激光光源将是未来光纤传感的一个主要研究方向。
Abstract
Optical fiber sensing system depends closely on the quality of the laser source, because laser parameters, such as the power stability, linewidth and phase noise, have a great impact on the performance of the fiber sensing system in such parameters as the maximum measuring distance, precision, sensitivity and noise characteristics. Therefore, the related high quality laser source has caused much attention these years. In this article, a brief review on the development of the laser source for fiber sensing is presented. Laser applications in optical fiber sensing are emphasized with the utilization of the narrow-linewidth laser, tunable laser and broadband light source. Finally, the main limiting factors and kernel technology of laser source for the optical fiber sensing are summarized. In order to achieve high performance of optical fiber sensing, the availability of the ideal ultra-narrow-linewidth and ultra-stable laser, which could be tuned at a desired wavelength span and tuning rate, will be definitely one of the main research directions of the future optical fiber sensing.

Iroegbu Paul Ikechukwu, 黄仕宏, 李雨佳, 李阜徽, 黄礼刚, 高磊, 白永忠, 屈定荣, 邱枫, 黄贤滨, 朱涛. 光纤传感用激光光源技术[J]. 光电工程, 2018, 45(9): 170684. Iroegbu Paul Ikechukwu, Huang Shihong, Li Yujia, Li Fuhui, Huang Ligang, Gao Lei, Bai Yongzhong, Qu Dingrong, Qiu Feng, Huang Xianbin, Zhu Tao. Laser sources for optical fiber sensing[J]. Opto-Electronic Engineering, 2018, 45(9): 170684.

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