here - Faculty of Science - University of Waterloo
here - Faculty of Science - University of Waterloo
here - Faculty of Science - University of Waterloo
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Scalar Wave Equation<br />
• Scalar, Monochromatic Electric Field<br />
⎛ ∂<br />
⎜<br />
⎝ ∂z<br />
Defining<br />
Y<br />
0<br />
2<br />
⎛ ∂<br />
⎜<br />
⎝ ∂z<br />
2<br />
2<br />
=<br />
2<br />
+<br />
k<br />
+<br />
0<br />
∂<br />
2<br />
∂x<br />
k<br />
2<br />
n<br />
1 ∂<br />
2 2<br />
n ∂y<br />
2<br />
0<br />
0<br />
0<br />
n<br />
∂<br />
+<br />
∂y<br />
= n<br />
2<br />
0<br />
2<br />
2<br />
( X<br />
2<br />
0<br />
2<br />
+<br />
k<br />
reference<br />
, X<br />
and N =<br />
+ Y<br />
0<br />
2<br />
0<br />
n<br />
2<br />
⎞<br />
( r )<br />
⎟ Ε( x,<br />
y,<br />
z)<br />
= 0<br />
⎠<br />
0<br />
2<br />
1 ∂<br />
= ,<br />
2 2 2<br />
k0<br />
n ∂x<br />
0<br />
2 <br />
n ( r )<br />
−1,<br />
we have<br />
2<br />
n<br />
0<br />
⎞<br />
+ N)<br />
⎟ E( x,<br />
y,<br />
z)<br />
= 0<br />
⎠<br />
<strong>Faculty</strong> <strong>of</strong> <strong>Science</strong> - Department <strong>of</strong><br />
Physics 5/3/2009<br />
D. Yevick - Evolution Operators and<br />
Boundary Conditions<br />
5