Polarized light; maximum number of disagreements?

In summary, the conversation revolved around the concept of polarized light and their disagreements. The question posed was how to argue for the maximum and minimum number of disagreements for specific angles, and whether or not the light should be rotated. The participants also discussed the concept of entangled photons and their relevance to the topic. Ultimately, the conversation centered on finding a formula for the disagreement probability.
  • #1
xb4byish
2
0
Polarized light and their disagreements

Starting with 2 vertical photons, how can we argue that the maximum number of disagreements and minimum number for +30° and -30° is Nmin(-30°,30°) ≤ N(60°,0°) ≤ Nmax(-30°,30°)? and should we also not rotate the light?
 
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  • #2


What are you talking about?
 
  • #3


xb4byish said:
Starting with 2 vertical photons, how can we argue that the maximum number of disagreements and minimum number for +30° and -30° is Nmin(-30°,30°) ≤ N(60°,0°) ≤ Nmax(-30°,30°)? and should we also not rotate the light?

Welcome to PhysicsForums, xb4byish!

I don't follow your question either. However, if by chance you are referring to entangled photons: they cannot be considered as vertically polarized.
 
  • #4
What are Nmin(-30°,30°), N(60°,0°) and Nmax(-30°,30°)?

What do you mean with maximum number of disagreements? Maximal number of photon pairs where two detectors will see different orientations for both photons? That is just the number of photon pairs. The average number is more meaningful.
 
  • #5
perhaps its average number of disagreements. But i mean how can we prove the number of disagreements for (60,0) is between the minimum number of disagreements of (-30,0) and the maximum number of disagreements between the maximum number of disagreements of (30,0)
 
  • #6
I don't understand that question.

There is an explicit formula for the "disagreement probability", you can derive it simply by looking at the 4 different cases. That should help.
 

1. What is polarized light?

Polarized light is a type of light that has its electric field vibrating in one specific direction. This is in contrast to regular light, which has its electric field vibrating in all directions.

2. How is polarized light produced?

Polarized light can be produced through various methods, including passing regular light through a polarizing filter, reflecting light off of a non-metallic surface at a specific angle, or using special materials that naturally produce polarized light.

3. What is the maximum number of disagreements that can occur in polarized light?

The maximum number of disagreements, or the degree of polarization, in polarized light is 100%. This means that all of the light waves are vibrating in the same direction and there is no variation or randomness in the direction of the electric field.

4. What are some practical applications of polarized light?

Polarized light has various practical applications, including reducing glare from surfaces such as water or glass, enhancing contrast in photography and 3D movies, and in communication technologies such as LCD screens and polarized sunglasses.

5. Can polarized light be harmful to humans?

No, polarized light is not harmful to humans. In fact, polarized sunglasses are often recommended to reduce glare and improve visibility while driving or participating in outdoor activities. However, polarized light can interfere with certain types of light-sensitive equipment, such as LCD screens or polarized cameras.

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