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How to set "Electric mode field" for listener ports?

Posted May 2, 2020, 2:25 p.m. EDT Wave Optics Version 5.2a 0 Replies

Hamid Hamidzadeh
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Hi ,

In wave optics module(COMSOL 5.2a.) I want to define a 6-port domain . (lambda = 500[nm])

I want to excite port#1 and read the powers arrive to another ports.

so , I define ports on wall of the Block domain. I also create exterior layer outside the domain and set it as a PML layer to absorb the received power on ports.

I define "user defined" ports. I set x component of incident electric field to 1 (Einc = Ex) and also propagation constant to abs(kbz) . ( = ewfd.k0 * cos(theta) )

The structure is attached.

My question is :

1.what is the meaning of "propagation constant" for listener ports (port#2,3,4,5,6) and in this case what should I set to ?

2.what is the meaning of "electric mode field" for listener ports(port#2,3,4,5,6) and in this case what should I set to ?

  1. Does any body have the same experience about this issue?

Thanks !

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0 Replies Last Post May 2, 2020, 2:25 p.m. EDT
COMSOL Moderator

Hello Hamid Hamidzadeh

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