Polarized light and refraction

AI Thread Summary
Polarized light can refract at the interface between two different media, regardless of its polarization state, as long as the materials are not birefringent. The angle of refraction is determined by Snell's law, which applies universally to all types of light polarization. While polarization does not influence whether light refracts, it does affect the ratio of light that is reflected versus transmitted at the interface. The continuity of the normal component of the electric displacement field (D) and the tangential component of the electric field (E) must be maintained across the interface. Understanding these principles is crucial for analyzing light behavior in waveguides and other optical systems.
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polarized light and refraction!

Hi guys

I need to discuss the polarized light in the waveguide and its refraction at an interface between two different media.
if the light is polarized like in the picture(see attached) and oscillating only up and down (linear polarization), then does the light will be refracted at the interface or not?

my idea is that although the interface is tilted, the angle between electric field and the interface is normal, then no refraction.

I will appreciate if somebody is interested in this problem.
 

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The light will be refracted and the angle is given by Snells law independent on it's polarization (as long as the material is not birefringent). Polarization only affects the ratio of light being reflected/ transmitted.
 


just apply the condition of continuity of normal component of D and continuity of tangential component of E across the interface.see if it does give rise to any refraction amplitude.
 
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