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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 15, Iss. 1 — Jan. 1, 1998
  • pp: 216–222

Temporal decorrelation of short laser pulses

J. Peatross and A. Rundquist  »View Author Affiliations


JOSA B, Vol. 15, Issue 1, pp. 216-222 (1998)
http://dx.doi.org/10.1364/JOSAB.15.000216


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Abstract

We describe a unique approach for extracting the temporal profile of ultrashort laser pulses from typical autocorrelation measurements. The use of the constraint that intensity is a nonnegative quantity enables an iterative numerical algorithm to reconstruct pulse shapes in a one-dimensional procedure. With the reconstruction of the intensity profile, the Gerchberg–Saxton algorithm can be used to retrieve the phase of the electric field from a spectral measurement. Because these procedures are carried out in one dimension, they are numerically much faster than two-dimensional techniques such as frequency-resolved optical gating. Their high computational efficiency can save substantial time by constructing good trial solutions for the more accurate but slower procedure of frequency-resolved optical gating.

© 1998 Optical Society of America

OCIS Codes
(070.2590) Fourier optics and signal processing : ABCD transforms
(070.5010) Fourier optics and signal processing : Pattern recognition
(320.7100) Ultrafast optics : Ultrafast measurements

Citation
J. Peatross and A. Rundquist, "Temporal decorrelation of short laser pulses," J. Opt. Soc. Am. B 15, 216-222 (1998)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-15-1-216

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