Brewster's Angle - is there something similar where perpendicular reflection coeff = 0??

Monty Hall · science forum beginner Joined: 18 Jul 2005 Posts: 20

I was just working through a derivation for reflection & refraction of plane
waves from a surface. It appears that there are two versions of the
reflection & transmission coefficients, one for parallel and perpendicular.
During the derivation, it appears that snell's law and the law of reflection
fall out of the equations. But then the discussion turned to Brewster's
angle where the reflection coefficient of a parallel wave is set to zero.
Okay... Is there a version where the reflection coeff of the perpendicular
is set to zero? I'm looking @ the air glass reflected inensities as a
function of incidence angle
graph(http://www.cmmp.ucl.ac.uk/~drb/Teaching/PHAS3201_ReflectionAndRefractionFull.pdf
page 7) and noticed that brewster's angle exists for parallel, but there is
nothing for perpendicular. Is there an explaination why a similar effect
isn't found for perpedicular polarization?

brewster's = arctan sqrt(e2 / e1) (reflection coefficient parallel = 0)
theta-s = arctan sqrt(e1/e2) (reflection coefficienct
perpendicular = 0)

Regards,

Monty

Monty Hall · science forum beginner Joined: 18 Jul 2005 Posts: 20

Forget it. So this is a phenomena that adds additional constraints in
particular oi + ot = 90 degrees..... Just got carried away manipulating
equations.

Monty

"Monty Hall" <monty@hall.com> wrote in message
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