what is the princple of working laser light?

Asked by mazhartahsildar143 | 7th May, 2020, 01:44: PM

Expert Answer:

Working of laser is based on four processes:- 
 
1. Absorption 
2. Spontaneous emission 
3. Population inversion 
4. Stimulated emission of electromagnetic radiation 

Answered by Shiwani Sawant | 7th May, 2020, 03:41: PM