On Sep 2, 2012, at 3:59 AM, pankaj kumar sahoo wrote:
>
> Thanks for your reply. I understood that i have to take time average over
> half-a-period. But the time-averaged value obtained is different for
> different periods. For example value of average intensity is different for
> periods 290
On Sep 3, 2012, at 7:56 AM, chiu steve wrote:
> I have a question about how to generate a Gaussian pulse train (with a
> specified period) via meep? Thanks a lot.
Just use a custom-src, which allows you to write an arbitrary function to
define your current source.
On Sep 3, 2012, at 1:34 PM, liu wrote:
> Does V is a time average value? or calculate in each step in meep?
> V = integral (epsilon * |E|^2) / maximum (epsilon * |E|^2) or
It computes this integral at a single time step, although if you want to
time-average you can certainly do that yoursel
Dear Prof. Steven Johnson and meep users,
At each time step, meep calculate modal volume proportional to field profile at
that time step.
Since at the next time step, field profile is changed thus the modal volume
changes.
I would like to know how we can obtain the correct value of the this qu
Does V is a time average value? or calculate in each step in meep?
V = integral (epsilon * |E|^2) / maximum (epsilon * |E|^2) or
integral (( integral (epsilon * |E|^2) )/ maximum (epsilon * |E|^2)*
dt ) / (delta T), where T= 1/f.
which is the calculation in meep?
-
Hi,
I have a question about how to generate a Gaussian pulse train (with a
specified period) via meep? Thanks a lot.___
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There is an error in the statement (define sx (+ (* 2 (+ pad dpml N)) d-1)).
Do you mean that sx = 2*(pad+dpml+N) + (d-1)? Then the correct statement is
(define sx (+ (* 2 (+ pad dpml N)) (- d 1)))
If you mean something else, remember the expressions in CTL is different
from the natural way to wr
meep> (define-param eps 12)
meep> (define-param w 1.2)
meep> (define-param r 0.36)
meep> (define-param d 1.4)
meep> (define-param N 3)
meep> (define-param sy 6)
meep> (define-param pad 2)
meep> (define-param dpml 1)
meep> (define sx (+ (* 2 (+ pad dpml N)) d-1))
Backtrace:
In current input:
9:
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