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Old 30th September 2014, 09:04 AM   #30
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Originally Posted by wogoga View Post
So in our example, a coherence length of 100 m means that we have groups with on average around 1 billion* coherent photons, separated by "fissures".
No. There are no fissures in your example. There is merely a continual drift in phase/frequency over time.
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