Nonlinear Dynamics of Q-Gaussian Laser Beam in Collisional Plasma: Effect of Linear Absorption

Tripathi, D.; Kaur, S.; Vijay, A.; Walia, K.

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Title: Nonlinear Dynamics of Q-Gaussian Laser Beam in Collisional Plasma: Effect of Linear Absorption

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0002-3035

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Պատ․ խմբ․՝ Գ․ Մ․ Ղարիբյան (1966-1992) ; Գլխ․ խմբ․՝ Վ․ Մ․ Հարությունյան (1993-2021) ; Կ․ Մ․ Ղամբարյան (2022-)

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24-25

Abstract:

The present research investigates nonlinear dynamics of q-Gaussian laser beam in Collisional Plasma considering the influence of linear absorption. In Collisional plasma, redistribution of carriers occurs as a result of non-uniform heating thereby creating density gradients inside plasma leading to beam’s self-focusing. The Paraxial ray approximation is used for obtaining the nonlinear differential equation for spot size of laser beam. The numerical solution of this differential equation is obtained by wellknown Runge-Kutta 4th order method to explore the behavior of beam waist with normalized propagation distance. Effect of change in laser-plasma parameters such as beam intensity, plasma density, beam radius, absorption coefficient and q-values on beam waist of laser beam is also analyzed.

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click here to follow the link ; oai:arar.sci.am:392731

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АЖ 415

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ՀՀ ԳԱԱ Հիմնարար գիտական գրադարան

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Physics

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Digital Library > Articles

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May 6, 2025

In our library since:

May 3, 2025

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157

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https://arar.sci.am/publication/425219

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ՀՀ ԳԱԱ Տեղեկագիր: Ֆիզիկա = Proceedings of the NAS RA: Physics

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Tripathi, D., Nonlinear Dynamics of Q-Gaussian Laser Beam in Collisional Plasma: Effect of Linear Absorption	May 6, 2025

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Title: Nonlinear Dynamics of Q-Gaussian Laser Beam in Collisional Plasma: Effect of Linear Absorption

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