基于STM32的半导体激光器输出功率和工作温度稳定性研究

IF 0.6 4区物理与天体物理 Q4 OPTICS

光子学报 Pub Date : 2023-01-01 DOI:10.3788/gzxb20235208.0814002

夏志昌 XIA Zhichang, 于永爱 YU Yongai, 尚建华 SHANG Jianhua

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引用次数: 0

摘要

半导体激光器的中心波长及输出功率极易受到驱动电流和工作温度的影响，为了获得精确稳定可靠的检测结果，设计了一种基于STM32的中低功率半导体激光器驱动电源和温控系统。所设计驱动电源采用深度负反馈电路，与比例积分微分算法构成双闭环功率控制。采用H桥驱动芯片控制半导体制冷片对半导体激光器温度进行精确控制。实验结果表明，所设计的驱动电流稳定性极好，稳定度在0.3％左右，精度为0.86％；温度调节速度快，长时工作温度控制精度为±0.03 ℃，稳定度可达0.18％；激光器的输出功率稳定性在±2 mW内；激光器的中心波长波动范围为0.007 5 nm，能满足激光器的工作要求。

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基于STM32的半导体激光器输出功率和工作温度稳定性研究

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来源期刊

光子学报 OPTICS-

CiteScore

1.30

自引率

16.70%

发文量

11207

期刊介绍： Acta Photonica Sinica is a monthly journal which is sponsored and edited by The Chinese Optical Society, co-sponsored by Xi"an Institute of Optics and Precision Mechanics, CAS, and published by Science Press. It mainly publishes the academic thesis, the research note, the research letter on Photonics. The contents of the Acta deal with Optics, particularly, Transient Optics, Optoelectronics, Integrated Optics, Information Optics, Guided Wave Optics, Nonlinear Optics, Photo-Biology, Optical Communication, Optical Sensing, Optical Computing, Optical Neural Network, High Speed Photography, Intellectualized Optical Instrument, Photon Function Materials, Interaction between Photons, Classical and Nonclassical effects of Photons, etc.