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Integration of Poynting Vector to determine Scattering Cross

Posted 20 août 2015, 03:19 UTC−4 2 Replies

Nishant Shankhwar
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Hi,
I am trying to determine scattering cross section of a silicon sphere. I have seen tutorials in which people have taken surface integrals of "emw.relPoavx*nx+emw.relPoavy*ny+ emw.relPoavz*nz". I want know- what is the difference between ewm.Poavx and emw.relPoavx?

Thanks in advance!

Regards

Nishant
2 Replies Last Post 28 sept. 2015, 05:13 UTC−4
Sergei Yushanov Certified Consultant
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Posted: 9 years ago 20 août 2015, 10:31 UTC−4
Nishant,

ewm.Poavx is time average x-component of the Poynting vector of the total EM field.
emw.relPoavx is time average x-component of the Poynting vector of the scattered (or relative, in Comsol terminology) EM field.

Regards,
Sergei
Nishant, ewm.Poavx is time average x-component of the Poynting vector of the total EM field. emw.relPoavx is time average x-component of the Poynting vector of the scattered (or relative, in Comsol terminology) EM field. Regards, Sergei
Nishant Shankhwar
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Posted: 9 years ago 28 sept. 2015, 05:13 UTC−4
Thank you very much for the reply.
Thank you very much for the reply.

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