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year 28, Issue 2 (ICOP & ICPET 2022 2022)
ICOP & ICPET _ INPC _ ICOFS 2022, 28(2): 873-876 |
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Bayat M, Rezvani Jalal M, pishdast M, Abdikian A. Computational Study of Electrostriction Sound Wave Generated in Transmission of TEM01 Laser through an Optical Fiber. ICOP & ICPET _ INPC _ ICOFS 2022; 28 (2) :873-876
URL: http://opsi.ir/article-1-2672-en.html
URL: http://opsi.ir/article-1-2672-en.html
1- Malayer University
2-
3- Nuclear Science and Technology Research Institute
2-
3- Nuclear Science and Technology Research Institute
Abstract: (480 Views)
In this paper, numerical computation of sound wave generation by electrostriction mechanism in propagation of a laser pulse within an optical fiber is considered. To accomplish the study, the hydrodynamic wave equation is used. It is assumed that, the initial density perturbation is proportional to the second power of the electric field. In order to observe the two-dimensional propagation of the sound, TEM01 laser mode is incorporated. By numerical solving of the equation, resonant sound frequencies of the fiber and related eigen-functions are obtained. Using the expansion theorem, the transverse propagation of the sound is simulated by a mathematica code. Acoustic echoes in different points are observed with different temporal structure.
Type of Study: Experimental |
Subject:
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