AU - Ghavami Sabouri, S. AU - Khorsandi, A. TI - Mathematical consideration of Phase-Matching bandwidth, effective nonlinear coefficient and the walk-off effect for LiGa(SexS1-x)2 nonlinear crystals by using Genetic algorithm PT - JOURNAL ARTICLE TA - ijop JN - ijop VO - 2 VI - 1 IP - 1 4099 - http://ijop.ir/article-1-221-en.html 4100 - http://ijop.ir/article-1-221-en.pdf SO - ijop 1 ABĀ  - In this paper the Phase-Matching bandwidth, effective nonlinear coefficient and the walk-off angle within the effective bandwidth of the LiGa(SexS1-x)2 biaxial nonlinear crystals are calculated using the Genetic algorithm (GA). This calculation is held for all tree principle XY, YZ and XZ planes individually. The results are shown the accuracy of the applied algorithm is quite qualified. CP - IRAN IN - LG - eng PB - ijop PG - 59 PT - Research YR - 2008