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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry van Driel
  • Vol. 28, Iss. 4 — Apr. 1, 2011
  • pp: 796–804

Ultrafast broadband terahertz waveform measurement utilizing ultraviolet plasma photoemission

Jingle Liu, Jianming Dai, and X.-C. Zhang  »View Author Affiliations

JOSA B, Vol. 28, Issue 4, pp. 796-804 (2011)

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This paper reviews the recent progress in the development of ultrafast broadband terahertz waveform measurement utilizing ultraviolet photoemission from laser-induced gases. We present the theoretical study and experimental investigation on ultrafast dynamics of terahertz-enhanced photoemission in various gas species. By using two-color laser field to coherently control the electron drift velocity and subsequent terahertz-enhanced photoemission, we develop an “all-optical” broadband terahertz waveform measurement method, which, by encoding terahertz pulse information into plasma photoemission, is capable of remote operation due to the minimized water vapor attenuation and unlimited optical signal collection. Broadband terahertz waveform measurement at a distance of 10 m is demonstrated.

© 2011 Optical Society of America

OCIS Codes
(350.5400) Other areas of optics : Plasmas
(040.2235) Detectors : Far infrared or terahertz
(110.5125) Imaging systems : Photoacoustics
(300.6495) Spectroscopy : Spectroscopy, teraherz

ToC Category:
Ultrafast Optics

Original Manuscript: September 14, 2010
Revised Manuscript: December 6, 2010
Manuscript Accepted: December 22, 2010
Published: March 22, 2011

Jingle Liu, Jianming Dai, and X.-C. Zhang, "Ultrafast broadband terahertz waveform measurement utilizing ultraviolet plasma photoemission," J. Opt. Soc. Am. B 28, 796-804 (2011)

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