Hi,
1. You can very well define the point detector in meep. The only care
is that we have to mention the power flux direction. Please look at the
following;
"(define trans (add-flux fcen df nfreq (make flux-region (center 0 0) (size
0 0 0) (direction X))))"
In above, the size is zero. it means it is a point detector. Please note
that the direction is specified 'X'. If you didn't specify the direction it
will lead to an error.
2. According to your set up, either you can use a Gasussian-SRC or a
waveguide source. Gaussian source is normally used for the calculation of T
and R spectrum. As a detector, you can use the above command, but not as
point detector. Line detector is better. make 'center' regime to be beyond
the structure, for 'size' define a line along y as (0 2 0). Run the
simulation for two time, the one with structure and the other one is with
out the structure. Normalize it.
For further reference, please look at the transmission spectrum for a
waveguide (discussed in tutorial).
With regards,
N. Yogesh,
Microwave Lab,
IIT Madras, INDIA.
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