Hi all, I am pretty new to MEEP fdtd simulations, I wanted to simulate the radiation pattern of a metal conductor near the antenna. I placed the metal conductor in the near field region and plotted the far-fields as in the tutorial example - antenna-radiation.py. I am having difficulty understanding the results. The link below has the simulated results I got for the metal conductor placed parallel to the y-axis as well as the x-axis. https://imgur.com/a/I2zjqZ0 My concern is: Why is the Poynting flux to the opposite side as the metal conductor(above plot) when the conductor is parallel to the y-axis, and to the same side in the case of conductor parallel to the x-axis(below plot) ?? I expected this to follow the same trend. This made me confused.
I feel like there is something that I might be missing in the code. If anyone has some insights on the same. Please help. Thank you -- Krishna Nivedita G, Int.BS-MS, School of Physics, IISER Thiruvananthapuram.
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