کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1703549 | 1012383 | 2014 | 14 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Modeling passively Q-switched solid state lasers with multimode Modeling passively Q-switched solid state lasers with multimode](/preview/png/1703549.png)
Q-switching is considered as a favorable technology to generate short duration and high peak power pulses, which is widely used in industry. We derive a new model to simulate passively Q-switched solid state lasers in a three-dimensional (3D) space. In our model, several Gaussian modes are considered. Compared with single-mode models, 3D multimode models are much more capable of reflecting laser behaviors. In our modeling, the single-mode system is extended to a multimode system, which calculates photon numbers for different modes separately. In order to realize the numerical simulation of our multimode model, we apply a finite volume discretization respectively to the gain medium and saturable absorber, then the discretized multimode passively Q-switched laser system is obtained. The numerical results and applications of our model are shown at the end of the paper. The modeling and simulation of passively Q-switched solid state lasers can help to optimize laser designs.
Journal: Applied Mathematical Modelling - Volume 38, Issue 24, 15 December 2014, Pages 6052–6065