SINIR KIRINIM DALGASI TEORİSİ İLE YARIM DÜZLEMDEN BESSEL IŞINLARININ KIRINIMI
Bu çalışmada, Sınır Kırınım Dalgası Teorisi (SKDT) yaklaşımı kullanılarak yutucu bir yarım düzlemin kenarından kırınan Bessel ışınlarının davranışı incelenmiştir. İlk olarak, vektör potansiyeli, Bessel ışınlarının yutucu yarım düzlemden kırınımı için, Helmholtz-Kirchoff integraliyle bağlantılı olarak yeniden düzenlenmiştir. Bu vektör potansiyelinden yola çıkılarak SKDT kırınım integrali elde edilmiş ve kırınan alanlar hesaplanmıştır. Daha sonra, ilgili koordinat dönüşümleri yapılarak kırınan alanlar küresel koordinatlarda elde edilmiştir. Ayrıca, Bessel ışınlarının ve hesaplanan kırınan alanların davranışı sayısal olarak elde edilen grafikler değerlendirilerek yorumlanmıştır.
The Diffraction of the Bessel Beams from a Half Screen with Boundary Diffraction Wave Theory
In this study, the behavior of Bessel beams diffracted from the edge of a black half-plane was examined using the Boundary Diffraction Wave Theory (BDWT). Firstly, the vector potential was rearranged in relation to Helmholtz-Kirchoff integral for the diffraction of Bessel beams from the black half-plane. By using this vector potential, the BDWT diffraction integral was obtained and the diffracted fields were calculated. Then, the related coordinate transformations were made and the diffracted fields were obtained in spherical coordinates. Additionally, the behavior of the diffracted fields and Bessel beams was evaluated by interpreting the numerically derived graphs.
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