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Which mechanism limits destructive interference stability in LIDAR?

A)Atmospheric coherence length fluctuation
B)Laser output power instability
C)Detector spectral bandwidth variation
D)Target surface reflectivity changes

💡 Explanation

Atmospheric turbulence causes variations in refractive index and path length. These fluctuations directly impact coherence causing a change in interference patterns in the received signal, therefore atmospheric coherence length is the limiting factor rather than device instabilities.

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