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year 28, Issue 2 (ICOP & ICPET 2022 2022)
ICOP & ICPET _ INPC _ ICOFS 2022, 28(2): 101-104 |
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sadrara S, Shayganmanesh M. Numerical Simulation of Multimode Lasers with Stable Resonators by Prony Method. ICOP & ICPET _ INPC _ ICOFS 2022; 28 (2) :101-104
URL: http://opsi.ir/article-1-2695-en.html
URL: http://opsi.ir/article-1-2695-en.html
1- Iran University of Science and Technology
Abstract: (484 Views)
One of the fastest methods for calculating modes in stable and unstable resonators, which is approached with the diffraction phenomenon, is the Prony method or Eigenvector method (EM); In this article, this method was realized using Python programming language and related libraries. First, for validation in this method, accurate results were obtained by solving the diffraction integral for square and circular apertures with different Fresnel numbers. After performing the calculations for the diffraction apertures, the calculations were conducted for plane-parallel resonator and the diffraction integral for this resonator was solved by Prony method and by discretization of the mirrors for the transition of the beam and the transverse modes were obtained. Finally, the resonator modes was calculated for spherical mirrors, and by solving an eigenvalue equation, values were obtained for the resonant transfer matrix, lowest order modes, and higher order modes, and their associated profiles were plotted for each case.
Type of Study: Experimental |
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