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ICOP & ICPET 2017, 23 - : 17-20 Back to browse issues page
The effect of multi-pass scheme on the pump beam depletion in second harmonic generation
Miss maryam kheyri *1, Dr. saeed Ghavami Sabouri2, Dr. Alireza Khorsani3
1-
2- assistant professor
3- Associate Professor
Abstract:   (335 Views)

This work is represented to investigate a multi-pass scheme and its effect on both the phase matching condition and the pump beam depletion in a second-harmonic generation scheme. It is found that this arrangement is capable of enhancing the conversion efficiency through indirect increasing of effective interaction length which was reached by using consecutive reflections of the fundamental beam and its second-harmonic wave between two antiparallel mirrors embedded along both sides of the KTP nonlinear crystal. Such multi-pass scheme is simulated for the second-harmonic radiation of a pulsed Nd:YAG laser using a biaxial KTP crystal. By changing the angle between the mirror and the crystal axial, the output power of the second harmonic light is correspondingly computed. Finally, the range of polar and azimuthal angles for mirror rotation is simulated and the required graphs have been carried out from the results.

Keywords: conversion efficiency, pump depletion, second-harmonic generation, multi-pass scheme.
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Type of Study: Research | Subject: Special
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kheyri M, Ghavami Sabouri S, Khorsani A. The effect of multi-pass scheme on the pump beam depletion in second harmonic generation. ICOP & ICPET. 2017; 23 :17-20
URL: http://opsi.ir/article-1-1402-en.html
Volume 23 - Back to browse issues page
انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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