What Is Self Focusing?

Self-focusing is a non-linear optical process induced by the change in refractive index of materials exposed to intense electromagnetic radiation.

What is the meaning of self focusing?

n. 1. the direction of conscious attention on oneself and one's thoughts, needs, desires, and emotions.

How do you focus a laser beam?

basically, the focusing of a laser beam is achieved by using a single- or multi-lens laser optic, that is mainly characterized by its focal length and the diameter of the free aperture.