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Simulating vortex beams

Posted 27 lug 2017, 13:41 GMT-4 RF & Microwave Engineering 0 Replies

Adarsh Vasista
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I am simulating propagation of vectorial beams using COMSOL, where I have a port where I define the electric field by modifying the Gaussian field equation. When I see the electric field distribution after running simulation, I see four lobes in the x-y plane with no field at the center. It looks like a distorted doughnut. Please, can somebody suggest where am I going wrong?

0 Replies Last Post 27 lug 2017, 13:41 GMT-4
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