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便携式光源、光功率计系统开发与设计

Design and Development of Portable Light Source and Power Meter System

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摘要

基于数字超模取样光栅型反射(DS-DBR)激光器和InGaAs光电探测器设计了一款便携式光源、功率计系统。该系统的光源模块采用OPA569AIDWP芯片和ADN8834芯片为控制核心,对波长精度和功率稳定性实现了很好的控制;功率计模块采用多挡位放大量程控制技术、屏蔽降噪技术,并结合软件算法,显著抑制了系统噪声,提高了功率计的灵敏度和动态范围。测试结果表明:光源模块可以有效控制输出光的波长,并且输出光边模抑制比大于50 dB,线宽小于1 MHz,具有良好的输出质量;功率计模块的动态范围达到了80 dB,线性度提升到了0.08 dB。另外,本系统采用嵌入式控制技术进行人机交互,适用于实验室和工业现场等多种应用场景,大大扩展了系统的使用范围和便携性,市场前景广阔。

Abstract

A portable light source and power meter system has been designed based on a digital supermode distributed Bragg reflection (DS-DBR) laser and an InGaAs photodetector. The light source module of the system uses both the OPA569AIDWP chip and the ADN8834 chip as the controlling core, providing excellent control of the wavelength accuracy and power stability. The power meter module employs the multi-grade amplification range control and insulation denoising technologies along with the software algorithms, which significantly suppresses the system noise and improves the sensitivity and dynamic range of the power meter. The test results demonstrate that the light source module can effectively control the output light wavelength. Also, the side-mode suppression ratio of the output light is higher than 50 dB, and the linewidth is smaller than 1 MHz with satisfactory output quality. Furthermore, the dynamic range of the power meter module reaches 80 dB, and the linearity is increased to 0.08 dB. In addition, our system adopts an embedded control technology to allow human-computer interaction; thus, it can be applied to various settings such as laboratories and industries. Therefore, with such attractive and broad market prospects, the application range of our portable system is considerably broadened.

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补充资料

中图分类号:TN24

DOI:10.3788/LOP56.212301

所属栏目:光学器件

收稿日期:2019-04-03

修改稿日期:2019-04-30

网络出版日期:2019-11-01

作者单位    点击查看

张翔:中国电子科技集团公司第二十三研究所, 上海 201900
陈涛:中国电子科技集团公司第二十三研究所, 上海 201900
金操帆:中国电子科技集团公司第二十三研究所, 上海 201900
郭跃:中国电子科技集团公司第二十三研究所, 上海 201900
汪衍景:中国电子科技集团公司第二十三研究所, 上海 201900

联系人作者:张翔(513646562@qq.com)

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引用该论文

Zhang Xiang,Chen Tao,Jin Caofan,Guo Yue,Wang Yanjing. Design and Development of Portable Light Source and Power Meter System[J]. Laser & Optoelectronics Progress, 2019, 56(21): 212301

张翔,陈涛,金操帆,郭跃,汪衍景. 便携式光源、光功率计系统开发与设计[J]. 激光与光电子学进展, 2019, 56(21): 212301

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