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Optics Express

Optics Express

  • Editor: C. Martijin de Sterke
  • Vol. 19, Iss. 7 — Mar. 28, 2011
  • pp: 6829–6835

Plasma filament investigation by transverse optical interferometry and terahertz scattering

Sergey Bodrov, Vladimir Bukin, Maxim Tsarev, Aleksey Murzanev, Sergey Garnov, Nickolay Aleksandrov, and Andrey Stepanov  »View Author Affiliations

Optics Express, Vol. 19, Issue 7, pp. 6829-6835 (2011)

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Transverse plasma distribution with 1017 cm−3 maximum electron density and 150 μm transverse size in a plasma filament formed in air by an intense femtosecond laser pulse was measured by means of optical interferometry. Two orders of magnitude decay of the electron density within 2 ns was obtained by combined use of the interferometry and newly proposed terahertz scattering techniques. Excellent agreement was obtained between the measured plasma density evolution and theoretical calculation.

© 2011 OSA

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(040.2235) Detectors : Far infrared or terahertz
(280.5395) Remote sensing and sensors : Plasma diagnostics

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: February 15, 2011
Revised Manuscript: March 12, 2011
Manuscript Accepted: March 14, 2011
Published: March 24, 2011

Sergey Bodrov, Vladimir Bukin, Maxim Tsarev, Aleksey Murzanev, Sergey Garnov, Nickolay Aleksandrov, and Andrey Stepanov, "Plasma filament investigation by transverse optical interferometry and terahertz scattering," Opt. Express 19, 6829-6835 (2011)

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