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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 14, Iss. 5 — May. 1, 1997
  • pp: 1159–1170

Femtosecond pulse imaging: ultrafast optical oscilloscope

P. C. Sun, Y. T. Mazurenko, and Y. Fainman  »View Author Affiliations


JOSA A, Vol. 14, Issue 5, pp. 1159-1170 (1997)
http://dx.doi.org/10.1364/JOSAA.14.001159


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Abstract

A nonlinear optical processor that is capable of real-time conversion of a femtosecond pulse sequence into its spatial image is introduced, analyzed, and experimentally characterized. The method employs nonlinear spectral domain three-wave mixing in a crystal of LiB3O5, where spectral decomposition waves of a shaped femtosecond pulse are mixed with those of a transform-limited pulse to generate a quasi-monochromatic second-harmonic field. By means of this nonlinear process, the temporal-frequency content of the shaped pulse is directly encoded onto the spatial-frequency content of the second-harmonic field, producing a spatial image of the temporal shaped pulse. We show that, unlike the commonly used autocorrelator, such time-to-space conversion carries both amplitude and phase information on the shape of the femtosecond pulses.

© 1997 Optical Society of America

History
Original Manuscript: July 30, 1996
Revised Manuscript: December 12, 1996
Manuscript Accepted: November 4, 1996
Published: May 1, 1997

Citation
P. C. Sun, Y. T. Mazurenko, and Y. Fainman, "Femtosecond pulse imaging: ultrafast optical oscilloscope," J. Opt. Soc. Am. A 14, 1159-1170 (1997)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-14-5-1159

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