Tag: laser

Laser is a major invention of the 20th century, known as "the fastest knife", "the most accurate ruler" and "the brightest light". The word "laser" is an acronym for "light amplification by stimulated emission of radiation", which describes the principles of how lasers are produced.

A laser machine is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The word "laser" is an acronym for "light amplification by stimulated emission of radiation". This article will introduce the structure of laser machine.