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16 June 2000 Ultrashort laser pulses: a comparison between a mathematical model and experimental data
Roberto Ortega-Martinez, Carlos J. Roman-Moreno, Antonio A. Rodriguez-Rosales, Cesar A. Juarez-Melchor
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Proceedings Volume 3831, Sixth International Conference on Education and Training in Optics and Photonics; (2000) https://doi.org/10.1117/12.388697
Event: Education and Training in Optics and Photonics (ETOP'99), 1999, Cancun, Mexico
Abstract
The spectral properties of almost-Gaussian functions are considered and applied to the characterization to the second-order approximation in the expansion of the coefficients of almost-perfect optical pulses. Specifically, adding small amounts of odd-order Hermite-Gaussians to a Gaussian induces a second-order increase in the time- bandwidth product, while the increase in the time-bandwidth product from adding even-order Hermite-Gaussian is higher- order and hence smaller. We indicate the class of small perturbations of Gaussian functions which change neither the temporal profile of the intensity nor the intensity of the spectral profile. We compare the almost-Gaussian functions with femtosecond temporal width pulses data given by a Ti:Sapphire laser.
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Roberto Ortega-Martinez, Carlos J. Roman-Moreno, Antonio A. Rodriguez-Rosales, and Cesar A. Juarez-Melchor "Ultrashort laser pulses: a comparison between a mathematical model and experimental data", Proc. SPIE 3831, Sixth International Conference on Education and Training in Optics and Photonics, (16 June 2000); https://doi.org/10.1117/12.388697
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KEYWORDS
Ultrafast phenomena
Data modeling
Gaussian pulse
Mathematical modeling
Mirrors
Femtosecond phenomena
Infrared radiation
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