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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 24, Iss. 7 — Apr. 1, 1999
  • pp: 490–492

Evolving FROGS: phase retrieval from frequency-resolved optical gating measurements by use of genetic algorithms

J. W. Nicholson, F. G. Omenetto, D. J. Funk, and A. J. Taylor  »View Author Affiliations


Optics Letters, Vol. 24, Issue 7, pp. 490-492 (1999)
http://dx.doi.org/10.1364/OL.24.000490


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Abstract

We present a new technique based on genetic algorithms for retrieving the electric field and the phase of ultrashort pulses from frequency-resolved optical gating (FROG) traces. We have successfully applied a very basic genetic algorithm to the two most common beam geometries: polarization gate and second-harmonic generation (SHG). In the case of SHG FROG, the genetic algorithm returns a lower error than the standard iterative composite algorithm.

© 1999 Optical Society of America

OCIS Codes
(100.5070) Image processing : Phase retrieval
(320.5550) Ultrafast optics : Pulses
(320.7100) Ultrafast optics : Ultrafast measurements

Citation
J. W. Nicholson, F. G. Omenetto, D. J. Funk, and A. J. Taylor, "Evolving FROGS: phase retrieval from frequency-resolved optical gating measurements by use of genetic algorithms," Opt. Lett. 24, 490-492 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-7-490

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