FAQ

What is the Coherence Length?
Coherence Length is the distance over which the waves remain coherent and is related to the range of wavelengths present in the beam. Coherence Length is usually measured using the Meter for Length. Note that the value of Coherence Length is always negative.
Can the Coherence Length be negative?
Yes, the Coherence Length, measured in Length can be negative.
What unit is used to measure Coherence Length?
Coherence Length is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Coherence Length can be measured.
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