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← ScienceWhich 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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