Understanding Parallel Light: Answers to Your Questions

[nousername]

Hey,

What is parallel light?

Thanks.

 

[K^2]

In geometrical optics, light whose beams are all parallel to each other. In wave optics, a plane wave.

 

[nousername]

Hey, thanks for the reply. What does that mean though? i.e. parallel light and plane wave?

thanks

 

[K^2]

Plane wave.

 

[Claude Bile]

It might also refer to parallel-polarised light, depending on the context.

Claude.