中国物理B ›› 2015, Vol. 24 ›› Issue (1): 14208-014208.doi: 10.1088/1674-1056/24/1/014208

所属专题: TOPICAL REVIEW — Ultrafast intense laser science

• TOPICAL REVIEW—Ultrafast intense laser science • 上一篇    下一篇

Femtosecond filamentation induced fluorescence technique for atmospheric sensing

袁帅a b c, 陈瑞良c, 曾和平a b   

  1. a Shanghai Key Laboratory of Modern Optical System, Engineering Research Center of Optical Instrument and System, Ministry of Education, School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;
    b State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China;
    c Centre d'Optique, Photonique et Laser (COPL) and Département de Physique, de Génie Physique et d'Optique, Université Laval, Québec, Québec G1V 0A6, Canada
  • 收稿日期:2014-06-10 修回日期:2014-12-09 出版日期:2015-01-05 发布日期:2015-01-05
  • 基金资助:

    Project supported by the National Basic Research Program of China (Grant No. 2011CB808105), the International Science and Technology Collaboration Program, China (Grant Nos. 2010DFA04410 and 11530700900), the National Key Scientific Instrument Project (Grant No. 2012YQ150092), and the Canada Research Chair, Natural Sciences and Engineering Research Council of Canada, Canada Foundation for Innovation, Canadian Institute for Photonics Innovation and le FQRNT.

Femtosecond filamentation induced fluorescence technique for atmospheric sensing

Yuan Shuai (袁帅)a b c, Chin See Leang (陈瑞良)c, Zeng He-Ping (曾和平)a b   

  1. a Shanghai Key Laboratory of Modern Optical System, Engineering Research Center of Optical Instrument and System, Ministry of Education, School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China;
    b State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China;
    c Centre d'Optique, Photonique et Laser (COPL) and Département de Physique, de Génie Physique et d'Optique, Université Laval, Québec, Québec G1V 0A6, Canada
  • Received:2014-06-10 Revised:2014-12-09 Online:2015-01-05 Published:2015-01-05
  • Contact: Zeng He-Ping E-mail:hpzeng@phy.ecnu.edu.cn
  • Supported by:

    Project supported by the National Basic Research Program of China (Grant No. 2011CB808105), the International Science and Technology Collaboration Program, China (Grant Nos. 2010DFA04410 and 11530700900), the National Key Scientific Instrument Project (Grant No. 2012YQ150092), and the Canada Research Chair, Natural Sciences and Engineering Research Council of Canada, Canada Foundation for Innovation, Canadian Institute for Photonics Innovation and le FQRNT.

摘要:

Recent progress in filament-induced atmospheric sensing is reviewed. Self-guided propagation of ultrashort laser pulses in air induces laser filamentation. All molecules in the path of a filament can be dissociated into highly excited fragments, resulting in emission of characteristic fluorescence spectra. The fluorescence spectra provide information about the various molecules in the filaments. By using a filament-induced “fingerprinting” fluorescence technique, molecules in the atmosphere can be identified.

关键词: femtosecond laser, filamentation, remote sensing

Abstract:

Recent progress in filament-induced atmospheric sensing is reviewed. Self-guided propagation of ultrashort laser pulses in air induces laser filamentation. All molecules in the path of a filament can be dissociated into highly excited fragments, resulting in emission of characteristic fluorescence spectra. The fluorescence spectra provide information about the various molecules in the filaments. By using a filament-induced “fingerprinting” fluorescence technique, molecules in the atmosphere can be identified.

Key words: femtosecond laser, filamentation, remote sensing

中图分类号:  (Laser spectroscopy)

  • 42.62.Fi
42.65.-k (Nonlinear optics) 52.38.Hb (Self-focussing, channeling, and filamentation in plasmas)