1. reflection
standing waves

2. Etan is continuous E E
Htan is continuous X H E H H

3. Reflection coefficientX E H
Transmission coefficient

4. Reflection and transmission of a pulse signal at an interface of two different dielectrics.

5. impedance
meter
conductor

6. Reflection of an electromagnetic pulse from a conducting surface.

7. magnitude square law detector
time-harmonic signal
metal wall - R=-1
magnitude square law detector
standing wave

8. Standing wave

9. standing wave @ different times
node
antinode l 

12. electric & magnetic fields differ in phase by p/2

13. Different resonances n = 1; 2; 3; ...
Screen
Screen
Screen
Screen

14. resonance
Fabry-Perot resonator
Screen L

15. solve for the resonant frequency
application
solve for the resonant frequency

16. two different
dielectrics

17. applications paper ==> wood pulp & water in Sweden
oleo ==> corn oil & water in Iowa
curing concrete ==> [cement + water] (time)
emphysema ==> lung & air
metal thickness in a rolling mill

18. x y z qz qx qy E H r k
Plane waves: not on an axis

19. x y z qz qx qy E H k r

20. reflection - two cases Einc || to surface Hinc || to surface x z z HrEr qr Hr Er qr x x Ei Hi qi Ei Hi x qi
Incident wave
Incident wave

21. ki • r = [- k cos i ux + k sin i uz] • [x ux + y uy + z uz]
= - kx cos i + kz sin i
kr • r = [+ k cos r ux + k sin r uz] • [x ux + y uy + z uz]
= + kx cos r + kz sin r Ei Hi Hr Er x qi qr

22. Ey inc = Eyi exp [- jk(-x cos i+z sin i)]
E = Eo exp [j(t - k • r)]
Ey inc = Eyi exp [- jk(-x cos i+z sin i)]
Ey ref = Eyr exp [- jk(+x cos r+z sin r)]
@ metal x = 0 -- Ey = Eyr = - Eyi & r = i Ei Hi Hr Er x qi qr

23. Bill, could I get
a job at Microsoft?
Hillary taught me
Basic.