双光梳光谱测量技术  

Dual-comb spectroscopy technology

作　　者：汤璐璐 顾澄琳 罗大平 邓泽江 潘海峰[1] 李文雪[1] TANG Lulu;GU Chenglin;LUO Daping;DENG Zejiang;PAN Haifeng;LI Wenxue(State Key Laboratory of Precision Spectroscopy,East China Normal University,Shanghai 200062,China)

机构地区：[1]华东师范大学精密光谱科学与技术国家重点实验室,上海200062

出　　处：《计测技术》2023年第3期17-28,共12页Metrology & Measurement Technology

基　　金：国家自然科学基金重点项目(12134004);国家自然科学基金面上项目(12274141);国家自然科学基金青年基金项目(12104162)。

摘　　要：双光梳光谱技术是一种先进的精密光谱测量技术,具有高分辨力、高频率精度、快速测量和宽带光谱覆盖等优点,已在光谱激光雷达、温室气体监测、燃烧诊断等测量领域中广泛应用。关于双光梳光谱的新原理、新方案和新技术不断涌现,因此有必要对其发展现状进行梳理和总结。本文详细地阐述了双光梳光谱技术的原理和性能指标,分析对比了光频参考、电光调制、单腔双光梳和光调制四种典型双光梳光谱测量系统的实验方案和优势,同时具体分析了双光梳光谱技术在工作波段拓展方向的发展现状,最后对双光梳光谱系统的发展趋势和应用前景进行了总结和展望,为双光梳光谱技术在全波段光谱测量和多场景应用中的进一步提升提供参考。Dual-comb spectroscopy(DCS) is an advanced precision spectral measurement tool with high resolution,high frequency accuracy,rapid measurement speed,and broad bandwidth.Thus,it has been widely used in many fields such as spectral lidar,greenhouse gas monitoring,and combustion diagnosis.As new principles,new schemes and new technologies of dual-comb spectroscopy are emerging,it is necessary to sort out and summarize their current development status.In this paper,the principles and technical performance indexes of dual-comb spectroscopy are introduced,and the experimental schemes and advantages of four typical DCS measurement systems are analyzed and compared,including optical frequency reference,electro-optical modulation,single-cavity dual-comb,and optical-optical modulation.Meanwhile,the development status of dual-comb spectroscopy in the expansion of the operating band is analyzed.Finally,the development trend and application prospects of DCS systems are summarized and prospected,which can provide a reference for further improvement of dual-comb spectroscopy in full-band spectral measurements and multi-scene applications.

关 键 词：双光梳光谱技术 光学频率梳 激光光谱学 精密测量 非线性频率准换 

分 类 号：TB96[机械工程—光学工程]