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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 23 — Dec. 1, 2006
  • pp: 3456–3458

Lidar measurement of constituents of microparticles in air by laser-induced breakdown spectroscopy using femtosecond terawatt laser pulses

Takashi Fujii, Naohiko Goto, Megumu Miki, Takuya Nayuki, and Koshichi Nemoto  »View Author Affiliations


Optics Letters, Vol. 31, Issue 23, pp. 3456-3458 (2006)
http://dx.doi.org/10.1364/OL.31.003456


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Abstract

We experimentally demonstrated remote sensing of the constituents of microparticles in air by combining laser-induced breakdown spectroscopy (LIBS) and lidar, using femtosecond terawatt laser pulses. Laser pulses of 70 fs duration and 130 mJ energy generated filaments when focused at a focal length of 20 m and the pulses irradiated artificial saltwater aerosols in air at a 10 Hz pulse repetition rate. Na fluorescence was observed remotely at a distance of 16 m using a 318 mm diameter Newtonian telescope, a spectrometer, and an intensified CCD camera. These results show the possibility of remote measurement of the constituents of atmospheric particles, such as aerosols, clouds, and toxic materials, by LIBS–lidar using femtosecond terawatt laser pulses.

© 2006 Optical Society of America

OCIS Codes
(140.3440) Lasers and laser optics : Laser-induced breakdown
(140.7090) Lasers and laser optics : Ultrafast lasers
(280.1100) Remote sensing and sensors : Aerosol detection
(280.3640) Remote sensing and sensors : Lidar
(300.6360) Spectroscopy : Spectroscopy, laser

ToC Category:
Spectroscopy

History
Original Manuscript: July 13, 2006
Revised Manuscript: September 16, 2006
Manuscript Accepted: September 18, 2006
Published: November 9, 2006

Citation
Takashi Fujii, Naohiko Goto, Megumu Miki, Takuya Nayuki, and Koshichi Nemoto, "Lidar measurement of constituents of microparticles in air by laser-induced breakdown spectroscopy using femtosecond terawatt laser pulses," Opt. Lett. 31, 3456-3458 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-23-3456

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