- #1

- 1

- 0

## Main Question or Discussion Point

I was just curious, sorry if it is already asked,

I was going through a book on photonics and came across the relation

coherence time, t = λ*λ/Δλ

I did not find any proof of this. Can anyone explain me how this relation is found?

I was going through a book on photonics and came across the relation

coherence time, t = λ*λ/Δλ

I did not find any proof of this. Can anyone explain me how this relation is found?