File:Two Slit Interference, 2500nm wl, 0.1mm d, distant average.png
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| Description |
English: Density plot of two slit interference of 2500nm light thtrough slits 0.1mm apart. The equation of the wave at a point is:
where
Thisp lot shows the intensity of the wave at a given point:
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| Date | |||
| Source | Own work | ||
| Author | Inductiveload | ||
| Permission (Reusing this file) |
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Mathematica Code
lambda = 2500*10^-9;
k = 2*Pi/lambda;
d = 0.1*10^-3;
path1[x_, y_] := Sqrt[y^2 + (x + d/2)^2];
path2[x_, y_] := Sqrt[y^2 + (x - d/2)^2];
phasediff[x_, y_] := (2*Pi/lambda )*(path1[x, y] - path2[x, y])
close = DensityPlot[
x = xmm/1000;
y = ymm/1000;
Evaluate[
4Cos[phasediff[x, y]/2]^2
],
{xmm, -500, 500},
{ymm, 0, 10000},
PlotPoints -> 2000,
AspectRatio -> 0.5,
ImageSize -> 1000,
Mesh -> False,
FrameLabel -> {"x/mm", "y/mm"}];
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:57, 13 May 2009 | | 1,000 × 500 (247 KB) | wikimediacommons>Inductiveload | {{Information |Description={{en|1=Density plot of two slit interference of 2500nm light thtrough slits 0.1mm apart. The equation of the wave at a point is: <math>u(x,y,t)= \sin \left( k \sqrt{ \left( x-\frac{d}{2} \right)^2 + y^2} \right)+ \sin \left( k \ |
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