Generation of Time-Dependent Polarization Pulses by Combinations of High-Intensity Femtosecond Laser Pulses.
نویسندگان
چکیده
منابع مشابه
Generation and characterization of polarization-shaped femtosecond laser pulses
We demonstrate the generation and complete characterization of femtosecond laser pulses which change their intensity, frequency, and light polarization almost arbitrarily within a single pulse employing the new technique of femtosecond polarization pulse shaping. Specifically, the degree of polarization ellipticity as well as the orientation of the elliptical principal axes can be varied as a f...
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J. Strohaber,1,* T. Mohamed,2 N. Hart,1 F. Zhu,1 R. Nava,1 F. Pham,1 A. A. Kolomenskii,1 H. Schroeder,3 G. G. Paulus,1 and H. A. Schuessler1 1Texas A&M University, Department of Physics, College Station, Texas 77843-4242, USA 2Physics Department, Faculty of Science, BeniSuef University, Egypt 3Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1, DE-85748 Garching, Germany (Received ...
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We investigate the polarization dependence of the spectral broadening of femtosecond pulses inside silicon waveguides by using finite-difference time-domain (FDTD) simulations. Our FDTDmodel includes the anisotropic dependency of predominant nonlinear effects in silicon: Kerr effect, two-photon absorption, and Raman effect. In addition, free-carrier absorption and free-carrier dispersion effect...
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Single femtosecond pulsed laser damage can be confined radially to regions smaller than the focus spot size due to the highly nonlinear mechanisms for energy absorption and ablation in transparent dielectrics. Along the propagation axis, however, we show that channels can be machined much deeper than the Rayleigh range of the laser focus. Using focused ion beam cross sections and acetate imprin...
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ژورنال
عنوان ژورنال: The Review of Laser Engineering
سال: 2000
ISSN: 0387-0200,1349-6603
DOI: 10.2184/lsj.28.506