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← ScienceWhich risk increases within laser-based LIDAR systems using heterodyne detection under conditions of atmospheric turbulence?
A)Reduced signal coherence✓
B)Increased thermal blooming
C)Elevated photon backscattering
D)Enhanced multi-path interference
💡 Explanation
Reduced signal coherence increases because atmospheric turbulence disrupts the phase fronts of the returning light, therefore decreasing the effectiveness of heterodyne detection which relies on constructive interference, rather than alternatives such as increased backscattering alone.
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