张辉;陈江;刘丹丹;阮军;任兆玉;张首刚;

• 1:西北大学光子学与光子技术研究所
• 2:中国科学院国家授时中心
• 3:中国科学院研究生院
• 4:中国科学院时间频率基准重点实验室

摘要(Abstract)：

利用液晶相位可变延迟器慢轴折射率随外加电压变化的特性,研制了一台用液晶进行频率调谐的分布反馈(DFB,distributed feedback)外腔半导体激光器。液晶DFB外腔激光器输出激光线宽为475 kHz,液晶电压变化1.6 V(0.5～2.1 V)时,激光频率变化为7 GHz,覆盖了Cs原子D2线的全部饱和吸收谱线。在实现外腔半导体激光器方法中,应用液晶调相较应用压电陶瓷(PZT)改变腔长,其具有调谐电压低,回程误差小,并可以消除机械稳定性差等特点。

关键词(KeyWords)： 外腔半导体激光器;液晶相位可变延迟器;频率调谐

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金重点资助项目(10834007);; 国家杰出青年科学基金资助项目(61025023)

作者(Author): 张辉;陈江;刘丹丹;阮军;任兆玉;张首刚;

Email:

DOI: 10.13875/j.issn.1674-0637.2013.01.001

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