(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A Fabry-Perot interferometer consists of two parallel half-silvered mirrors separated by a small distancea. Show that when light is incident on the interferometer with an angle of incidence [tex]\theta[/tex], the transmitted light will have maximum intensity when [tex]a = (\frac{m \cdot \lambda}{2})cos(\theta) [/tex]

2. Relevant equations

[tex]d \cdot sin(\theta) = m \cdot \lambda[/tex]

3. The attempt at a solution

I tried relating the distanceawithdby creating a right triangle from the reflected rays.

That method didn't work, and my answer was the same as the one that I was trying to prove, but divided by (sin([tex]\theta[/tex]))^2. I need a new way to do this.

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# Homework Help: Fabry-Perot interferometer diffraction

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