نتایج جستجو برای: nonlinear medium

تعداد نتایج: 451075  

Journal: :Journal of The Optical Society of America B-optical Physics 2021

We address the propagation of vortex beams with circular Airy–Gaussian shape in a ( 2 + 1 )-dimensional optical waveguide modeled by fractional nonlinear Schrödinger equation. Systematic analysis autofocusing rev...

2005
Rachid Guelaz Djilali Kourtiche Mustapha Nadi Patrice Roth

This paper presents an ultrasonic transducer modeling with VHDL-AMS standard (Very High speed integrated circuits Hardware Description Language – Analog and Mixed Signal) referenced IEEE 1076.1, integrated in a global measurement cell modeling dedicated to biological tissues ultrasound characterization. Usual modeling of ultrasonic transducer are based on electrical analogy and are not simulate...

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