A laser differs from an ordinary light source: the photons in a laser light source are monochromatic, collimated, and coherent.
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@matesaktesak7 ай бұрын
These videos are great! I really like the clean and organized explanation - I'd happily take a whole course with you.
@mrkushdgr89 ай бұрын
nicely explained sir, would you please throw some light on population inversion as well sir.
@PhysicalChemistry9 ай бұрын
If you watch the next video in the sequence (Three-State Lasers) it explains population inversion. Just click on the inset that pops up at the end of this video, or use this link: kzbin.info/www/bejne/aoWvonl7f9xmjc0