用于工业气体在线测量的VCSEL恒流驱动电路设计

大气与环境光学学报 ›› 2012, Vol. ›› Issue (4): 310-.

用于工业气体在线测量的VCSEL恒流驱动电路设计

田明丽，涂郭结，王煜，庞涛，张志荣，吴边，夏滑，董凤忠*

（中国科学院安徽光机所安徽省光子器件与材料重点实验室，安徽合肥 230031）

收稿日期:2012-03-01 修回日期:2012-03-22 出版日期:2012-07-28 发布日期:2012-07-19
通讯作者: 田明丽（1985-），女，河南南阳人，研究生，主要从事激光器驱动电路的研究。 E-mail:tian040681@163.com
作者简介:田明丽（1985-），女，河南南阳人，研究生，主要从事激光器驱动电路的研究。
基金资助:
国家“863”计划（2007AA06Z420）资助

Design of the Constant Current Driver Circuit for VCSEL Used in Situ Measurement of Industrial Gases

TIAN Ming-li, TU Guo-jie, WANG Yu, PANG Tao, ZHANG Zhi-rong, WU Bian, XIA Hua, DONG Feng-zhong*

（Anhui Provincial Key Laboratory of Photonic Devices and Materials, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China）

Received:2012-03-01 Revised:2012-03-22 Published:2012-07-28 Online:2012-07-19

摘要/Abstract

摘要：

设计了一种应用于工业气体在线测量的垂直腔面发射激光器（vertical cavity surface emitting laser, VCSEL）恒流驱动电路。阐述了该恒流驱动电路的组成和工作原理，设计了延时和调制功能，可以安全稳定的驱动VCSEL。以测量氧气的VCSEL为例，结合可调谐二极管激光吸收光谱技术对不同浓度的氧气进行测量，得到了较好的拟合系数，验证了驱动电路对VCSEL输出波长控制的稳定性，因此这种恒流驱动电路具有实际应用到工业气体监测中的潜力。

关键词: 垂直腔面发射激光器, 恒流驱动电路, 延时电路, 可调谐二极管激光吸收光谱法

Abstract:

The constant current driver circuit is designed for vertical cavity surface emitting laser (VCSEL), which is used for online measurement of industrial gases. The structure and the operation principle of the constant current driver circuit are described. The circuit with delay and modulation function can drive the VCSEL safely and reliably. The VCSEL combined with tunable diode laser absorption spectroscopy (TDLAS) technique are used to measure different concentrations of oxygen. The ideal test fitting coefficient proved that the driver circuit is reliable for the VCSEL to control output wavelength. So the constant current driver circuit has potential for industrial gas monitoring actually.

Key words: vertical cavity surface emitting laser, constant current driver circuit, delaying circuit, tunable diode laser absorption spectroscopy

中图分类号:

TN402

田明丽涂郭结王煜庞涛张志荣吴边夏滑董凤忠. 用于工业气体在线测量的VCSEL恒流驱动电路设计[J]. 大气与环境光学学报, 2012, (4): 310-.

TIAN Ming-Li, TU Guo-Jie, WANG Yu, PANG Tao, ZHANG Zhi-Rong, WU Bian, XIA Hua, DONG Feng-Zhong. Design of the Constant Current Driver Circuit for VCSEL Used in Situ Measurement of Industrial Gases[J]. Journal of Atmospheric and Environmental Optics, 2012, (4): 310-.

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