基于PD的半导体激光器温度控制系统设计方法

陈熙; 全伟

doi:10.13700/j.bh.1001-5965.2015.0001

基于PD的半导体激光器温度控制系统设计方法

doi: 10.13700/j.bh.1001-5965.2015.0001

陈熙^1,2,
全伟^1,2, ,

1.
北京航空航天大学 “惯性技术”重点实验室, 北京 100191
2. 北京航空航天大学 “新型惯性仪表与导航系统技术”国防重点学科实验室, 北京 100191

基金项目: 国家自然科学基金(61374210,61227902);中央高校基本科研业务费专项资金(30371001)

详细信息

作者简介:
陈熙(1990-),女,山东济宁人,硕士研究生,chenxi.cug@gmail.com

通讯作者:
全伟(1977-),男,山东临沂人,副教授,quanwei@buaa.edu.cn,主要研究方向为量子科学仪器.

中图分类号: TN248.4
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- 被引次数: 0
出版历程
- 收稿日期: 2015-01-04
- 修回日期: 2015-04-03
- 网络出版日期: 2015-12-20

Design method of a PD-based temperature control system for laser diode

CHEN Xi^1,2,
QUAN Wei^{1,2
, ,}

1.
Science and Technology on Initial Laboratory, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
2. Fundamental Science on Novel Instrument & Navigation System Technology Laboratory, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 半导体激光器常用于抽运与检测激光光源用于原子物理实验与量子科学仪器的研究,而半导体激光器的各特性参数,如阈值电流、峰值波长、输出功率、使用寿命等,均与温度相关,因此对其进行温度控制很重要.根据激光器输出功率与温度之间的关系,提出一种基于光电二极管(PD)的激光器温度控制系统,通过激光管内部集成的PD所获得的激光器光功率,进而得出激光器发光芯片温度,与热敏电阻相结合,以半导体制冷芯片为执行器,构成双闭环控制系统,可实现高精度长期稳定激光器温度控制,稳定度优于±5 mK,能够满足原子物理实验与研究对半导体激光器的要求.
- 半导体激光器 /
- 原子物理 /
- 温度控制 /
- 光电二极管(PD) /
- 长期稳定性
Abstract: Semiconductor lasers are widely used as pump and probe laser light source in atomic physics and quantum science equipment researches. The characteristics of the laser diodes, such as threshold current, wavelength, output power, lifetime, are temperature dependent, therefore it is vitally important to control the temperature of semiconductor lasers. Based on the relation between laser temperature and the output power, a photodiode (PD) based laser temperature control system was proposed. The light power of lasers can be acquired by the monitor photodiode in the laser package and then the laser junction temperature can be obtained by the relation between the power and the temperature. A double close loop control system was designed using the photodiode integrated with the temperature sensor and the thermoelectric coolers as the actuator. The test result indicates that the long-term stability of the photodiode-baserd laser diode temperature control system can realize better than ±5 mK and meet the requirement of semiconductor lasers for the experiment and study of atomic physics.
- semiconductor laser /
- atomic physics /
- temperature control /
- photodiode (PD) /
- long-term stability

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参考文献(15)

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