Electric-field reconstruction of femtosecond laser pulses from interferometric autocorrelation using an evolutionary algorithm

We present an evolutionary algorithm for reconstructing a femtosecond laser pulse from its interferometric autocorrelation trace and laser spectrum. The algorithm is optimized for the intensity and phase characterization of several-cycle optical pulses. We tested this algorithm with numerically-generated femtosecond pulses and then applied it to experimental data. In the experiment, a negatively chirped 31-fs pulse and a sub-10-fs pulse containing high-order phase distortion were characterized. Frequency-resolved optical gating measurements, performed for comparison, confirm the reliability of our technique. (c) 2006 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2007-03
Language
ENG
Keywords

PHASE RETRIEVAL; OPTICAL PULSES; COMPRESSION; GENERATION; AMPLITUDE

Citation

OPTICS COMMUNICATIONS, v.271, pp.169 - 177

ISSN
0030-4018
DOI
10.1016/j.optcom.2006.09.070
URI
http://hdl.handle.net/10203/13390
Appears in Collection
PH-Journal Papers(저널논문)
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