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Must the distance between the reflectors of a coherent laser be a multitude of its intended wavelength?
Must the distance (aka cavity length $L$) between the two reflective mirrors of a spatial and temporal coherent laser be a multitude of the lasers intended wavelength?
If no, why not?
If yes, how does ...
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Will these two coherent electromagnetic waves be in phase?
My question is how will I know if two coherent electromagnetic waves are in phase based on their phase difference.
I just solved a problem which stated...
Two coherent sources A & B send ...
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Laser Coherence Length/Time
Scenario:
Imagine a collimated beam of white light falling on one refracting face of a prism. Let the light emerging from the second face be focused by a lens onto a screen. Suppose there is linear ...