3 ms·
You can use a laser. https://en.wikipedia.org/wiki/Coherence_(physics)#Temporal_coherence https://en.wikipedia.org/wiki/Coherence_(physics)#Temporal_c...
by jacobolus 9y ago
You can use a laser. https://en.wikipedia.org/wiki/Coherence_(physics)#Temporal_coherence https://en.wikipedia.org/wiki/Coherence_(physics)#Temporal_c...
- thanatropism 9y agoWhat this is saying is that a perfect sinusoid has a single frequency? Of course. Sorry, I'm stupid. Born like that.