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Which consequence results when amplified spontaneous emission dominates in lidar?

A)Reduced signal-to-noise ratio
B)Increased peak laser power
C)Improved target discrimination
D)Enhanced atmospheric transmission

💡 Explanation

Amplified spontaneous emission (ASE) adds broadband noise to the coherent lidar signal causing a loss in correlation. Because ASE injects uncorrelated photons, therefore signal quality decreases, rather than improved laser output, because lower laser cavity gain increases ASE.

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