How do Lasers Work?

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Have you ever wondered how lasers work? Well, we did!
#inanutshell #kurzgesagt #kurzgesagt_inanutshell #youtubelearning #science #physics #lasers #howstuffworks #scienceshorts #lightsaber #sciencefacts #physicsquestions

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From: Kurzgesagt – In a Nutshell

Date: June 8, 2023

Science how does this work? kurzgesagt kurzgesagt - in a nutshell laser laser beam lasers particlephysics physics science science education

29 thoughts on “How do Lasers Work?”

Wait then what was the concept of polarization of light which i thought formes the basis of laser light formation ? Isnt the laser a plane polarized beam of light ?

Yes, exited is an actual scientific term

LAZARBEAM

Using a lightsaber as the animation is inaccurate asf. :/ you can't make that with an actual laser because it won't be contained like that unless you have a mirror on the other end. It's one of the first basic questions i ask students in class.

The rest of it is also a very poor description. Think about it, photons getting multiplied = you're generating energy out of nothing. That breaks thermodynamics. You need flash lamps or diodes to keep the "atoms excited". The photons are not clones. They're just different photos which are "in phase". Like a troop or regiment marching in sync.

This is pathetic. I used to respect this channel. No more.