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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. 1 — Jan. 1, 2011
  • pp: 23–27

Single-shot spatiotemporal measurements of ultrashort THz waveforms using temporal electric-field cross correlation

N. H. Matlis, G. R. Plateau, J. van Tilborg, and W. P. Leemans  »View Author Affiliations

JOSA B, Vol. 28, Issue 1, pp. 23-27 (2011)

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A new single-shot technique based on linear spectral interferometry between a temporally short reader pulse and a temporally long probe pulse is demonstrated for measuring the spatiotemporal phase and amplitude of an optical probe for use as an ultrafast diagnostic. The probe spatiotemporal field information is recovered, with a resolution set by the duration of the reader pulse, by applying a single Fourier transform operation to the interferogram image, without need of any reference data. The technique was used in conjunction with electro-optic sampling to measure waveforms of coherent, ultrashort THz pulses emitted by electron bunches from a laser-plasma accelerator with sub- 50 fs resolution. The presence of strong spatiotemporal coupling in the THz waveforms and of complex temporal electron-bunch structure was determined.

© 2011 Optical Society of America

OCIS Codes
(190.1900) Nonlinear optics : Diagnostic applications of nonlinear optics
(300.6500) Spectroscopy : Spectroscopy, time-resolved
(300.6495) Spectroscopy : Spectroscopy, teraherz

ToC Category:
Ultrafast Optics

Original Manuscript: June 7, 2010
Revised Manuscript: October 8, 2010
Manuscript Accepted: October 20, 2010
Published: December 6, 2010

N. H. Matlis, G. R. Plateau, J. van Tilborg, and W. P. Leemans, "Single-shot spatiotemporal measurements of ultrashort THz waveforms using temporal electric-field cross correlation," J. Opt. Soc. Am. B 28, 23-27 (2011)

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