第八題a小題
http://www.lib.nthu.edu.tw/library/department/ref/exam/eecs/el/98/5007.pdf
Sketch the field distributions for the TE2 guides mode for the following
asymmetric planar dielectric waveguide, where the reflective index n1 = 3.5
and n2 = 3.6. Make sure the evanescent field in different regions is plotted
explicitly.
^
|
air |
|
----------------------------
|
|
n2 |
|
|
|
------------------------------
|
|
n1 |
|
|
------------------------------>
Amplitude of the E-field
解答如下圖 但它沒解釋 想問為什麼會這樣??
http://www.upislam.com/images/16054770805403443819.jpg
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