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← ScienceWhich consequence results when pulsed lasers lack coherence?
A)Reduced energy target absorption.✓
B)Increased overall energy efficiency.
C)Stable beam divergence control.
D)Narrow frequency bandwidth output.
💡 Explanation
Reduced target absorption occurs because **interference** diminishes when coherence is lost, which reduces energy density at the material; therefore, the laser couples less energy to the target, rather than transferring more efficiently or focusing to a tighter spot.
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