基于啁啾光纤光栅激光器的温度传感特性

罗章; 何巍; 董明利; 张雯

doi:10.37188/CJL.20210304

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基于啁啾光纤光栅激光器的温度传感特性

器件制备及器件物理 | 更新时间：2021-12-17

- 基于啁啾光纤光栅激光器的温度传感特性
  增强出版
- Temperature Sensor Based on Chirped Fiber Bragg Grating Laser
- 发光学报 2021年42卷第12期页码：1928-1935
- 作者机构：
  
  1.北京信息科技大学　光电测试技术及仪器教育部重点实验室，北京　100192
  2.北京信息科技大学　光纤传感与系统北京实验室，北京　100192
- 作者简介：
  
  罗章(1996-)，男，贵州遵义人，硕士研究生，2019年于北京联合大学获得学士学位，主要从事光纤传感与光纤激光器的研究。E-mail: kentlz1996@163.com
  董明利(1965-)，女，辽宁海城人，博士，教授，博士研究生导师，2009年于北京理工大学获得博士学位，主要从事视觉与光电检测、光纤传感与激光器、生物医学检测技术及仪器的研究。E-mail: dongml@bistu.edu.cn
- 基金信息：
  
  国家自然科学基金(52105540;62105038);高等学校学科创新引智计划（先进光电子器件与系统学科创新引智基地）(D17021)
- DOI：10.37188/CJL.20210304
  中图分类号： TN248
- 收稿：2021-09-16，
  
  修回：2021-09-27，
  
  纸质出版：2021-12
- 稿件说明：
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罗章, 何巍, 董明利, 等. 基于啁啾光纤光栅激光器的温度传感特性[J]. 发光学报, 2021,42(12):1928-1935.

Zhang LUO, Wei HE, Ming-li DONG, et al. Temperature Sensor Based on Chirped Fiber Bragg Grating Laser[J]. Chinese Journal of Luminescence, 2021, 42(12): 1928-1935.
罗章, 何巍, 董明利, 等. 基于啁啾光纤光栅激光器的温度传感特性[J]. 发光学报, 2021,42(12):1928-1935. DOI： 10.37188/CJL.20210304.

Zhang LUO, Wei HE, Ming-li DONG, et al. Temperature Sensor Based on Chirped Fiber Bragg Grating Laser[J]. Chinese Journal of Luminescence, 2021, 42(12): 1928-1935. DOI： 10.37188/CJL.20210304.

摘要

提出并设计了一种环形腔掺铒光纤激光用于温度传感的方法。利用啁啾光纤光栅进行光学滤波，结合未泵浦掺铒光纤作为可饱和吸收体稳频，实现了环形腔掺铒光纤激光器单波长激光输出。通过温度变化实验，实现了单波长激光输出的温度传感测量。泵浦源输出功率为219 mW时，实现了1 555.25 nm单波长激光输出，3 dB线宽为0.06 nm，边摸抑制比为47.05 dB。实验中对1 555.25 nm单波长激光进行稳定性测试，10 min内激光输出功率变化为0.59 dB。利用温度加热平台对啁啾光纤光栅进行升降温实验，升温过程温度灵敏度为12.59 pm/℃，线性度为0.998 6，降温过程温度灵敏度为12.58 pm/℃，线性度为0.998 3。不同温度条件下对激光进行稳定性测试，在10 min监测时间范围内，50 ℃和300 ℃激光输出功率变化分别为0.27 dB和0.09 dB。

Abstract

An annular cavity erbium-doped fiber laser is put forward and designed

and used in the temperature measurement. Using chirped fiber Bragg grating for optical filtering and unpumped erbium-doped fiber as saturable absorber to stabilize the frequency

the single-wavelength laser output of annular cavity erbium-doped fiber laser is realized. Through the temperature experiment

the single-wavelength laser output is realized for temperature sensing measurement. When the output power of the pump source is 219 mW

the single-wavelength laser output of 1 555.25 nm is realized

3 dB linewidth is 0.06 nm

and the signal-to-noise ratio(SNR) is 47.05 dB. In the experiment

the stability of the single-wavelength laser of 1 555.25 nm is tested

and the output power change is 0.59 dB during 10 min. The temperature sensitivity is 12.59 pm/℃ and the linearity is 0.998 6. The temperature sensitivity of the cooling process is 12.58 pm/℃

and the linearity is 0.998 3. The laser stability was tested at different temperatures. During 10 min

the output powers of the laser at 50 ℃ and 300 ℃ are 0.27 dB and 0.09 dB

respectively.

关键词

Keywords

references

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