The optical pumping process is the excitation of atoms of the active material to generate laser by the optical energy, Helium and neon gases are suitable for the production of gases laser due to...
On heating atoms of pure elements – in a gaseous or vapor state – to a high temperature or exposing them to low pressure in an electrical discharge tube, they emit a radiation called...
A long time ago man was asking about the nature of matter and its structure, while trials are done by scientists to answer this question across different eras, the concept of the atomic structure...