Circular polarization and Read3D glasses

In summary, circular polarization is a type of polarization where the electric field of a light wave rotates in a circular motion. 3D glasses, also known as stereoscopic glasses, use circularly polarized light to create the illusion of depth in 3D movies by filtering out specific polarizations of light for each eye. The main difference between circular and linear polarization is the orientation of the electric field. While most people can use circularly polarized 3D glasses, those with certain vision impairments may not be able to perceive the 3D effect. It is recommended to consult with a doctor before using 3D glasses if you have any vision concerns.
  • #1
barryj
854
51
I am trying to understand circular polarization and Real 3D glasses.I am sure that answers will lead to other questions.

Question 1. Are Real 3D glasses merely quarter wave plates with each eye set at 90 deg angles to the other? or..

Question 2. Do Real 3D glasses consist of a linear polarizer followed by a quarter wave plate?

Question 3. What happens when I put two quarter wave plates together, and then rotate them?
 
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  • #2


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attachment.php?attachmentid=62113&stc=1&d=1379976502.png
 
  • #3
Excellent diagram and video. Thanks
 

What is circular polarization?

Circular polarization is a type of polarization in which the electric field of a light wave rotates in a circular motion as it propagates.

What are 3D glasses?

3D glasses, also known as stereoscopic glasses, are eyewear designed to create the illusion of depth in a 2D image. They work by presenting different images to each eye, creating a sense of depth perception.

How do circular polarization and 3D glasses work together?

Circularly polarized light is used in 3D glasses to create the illusion of depth in 3D movies. The glasses filter out specific polarizations of light, allowing each eye to see a slightly different image and creating the perception of depth.

What is the difference between circular polarization and linear polarization?

The main difference between circular polarization and linear polarization is the orientation of the electric field. In circular polarization, the electric field rotates in a circular motion, while in linear polarization, the electric field is oriented in a specific direction.

Can anyone use circularly polarized 3D glasses?

Most people can use circularly polarized 3D glasses without any issues. However, some individuals with certain vision impairments, such as strabismus or amblyopia, may not be able to perceive the 3D effect. It is always best to consult with a doctor before using 3D glasses if you have any vision concerns.

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