Atomic and Molecular Physics- LASER : Einstein’s Coefficients

When electromagnetic radiation is interacted with atomic system three namely-stimulated absorption spontaneous emission and stimulated emission take place. Einstein described these processes in terms of A and B Coefficients. Complete Playlist for Atomic and Molecular Physics - https://www.youtube.com/playlist?list=PLfOwt-qFuYRPUMt8W9Cg4iI1Puu3CGt7u Stay Curious, Keep Learning! Become a member- https://www.youtube.com/channel/UCAH5HcX6k7uu4HfD0A4k_LA/join If you want to support this channel then you can become a member or donate here- https://www.buymeacoffee.com/advancedphysics