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Surface plasmon, Fresnel's equations

  1. Apr 13, 2009 #1
    I'm writing a school paper on surface plasmons (as I said in another post), and among other things, I'm supposed to deduce Fresnel's equations for p-polarized light (that is, the ratios [tex]\frac{E_{0r}}{E_{0i}}=\frac{a}{b}[/tex] and [tex]\frac{E_0t}{E_0i}=\frac{c}{b}[/tex]). Now, apparently, when a surface plasmon is induced, the denominator, [tex]b[/tex], is approximately zero. I find this very odd, since it seems to imply that the amplitude of the reflected light, [tex]E_{0r}[/tex], is infinite, which woud mean that the reflected light has an infinite intensity. Could someone explain where my thinking goes wrong?
     
  2. jcsd
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