Abstract:
The paper describes the historical aspects of the study of light and electrical phenomena
that contribute to the emergence of the laser and the development of laser technology. The
principle of operation of the laser is presented, the main types and characteristics of lasers are
listed. The dependence of the radiation power on the laser wavelength is shown. It is told about
various fields of application of lasers. The list of modern scientific literature with technological
parameters of laser processing of various materials is given.
Keywords:light, laser, laser operating principle, laser development history, laser applications,
laser types and characteristics, laser technology, laser treatment.