Characteristic Properties of Laser - Coherence - Physics

It is known that the word LASER is an acronym for Light Amplification by Stimulated Emission of Radiation. Even though laser is a source of light it has some specific characteristic properties like coherence that distinguish it from an ordinary source of light.

[@davidshipp1258]

Excellent video. Well done... I heard at 2:27 you say negligible "diffraction" but I think you meant to say negligible "divergence". correct?

[@JogilB]

Your absolute correct David. Good observation. =)

[@ARCSTREAMS]

i believe diffraction causes divergence

[@shaygahweh]

Thank you for this video.

[@nsbeatuwm]

At 2:30, you wrote that 10^-13 watts equals 10 terawatts, but it should be 10^13. (no negative sign).

[@jasonbroadway8027]

At 0:52, what is a phase relation among light waves? You did not define your terms. Temporal coherence? Polarized wave?

[@danieliyinomen1950]

Nice work. I enjoyed it.

[@AnhTran-pn3ds]

🍸🍸👍👍💛💛💛

[@jasonbroadway8027]

I am not a harsh critic, but I did not follow many parts of this video.

[@vicmanning8611]

Look, just saying, i do have a PHD in lazer technology, and frankly, everything said here is absolutely false.

[@darshsheth8788]

Correct his mistake then, Mr.Genius.

[@vicmanning8611]

Nah

[@ARCSTREAMS]

can you please give some examples?