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Which consequence develops due to spatial and temporal incoherence within a pulsed laser?

A)Decreased peak power intensity
B)Narrower spectral bandwidth emitted
C)Increased photon entanglement rate
D)Higher second-harmonic generation efficiency

💡 Explanation

The peak power intensity decreases because spatial/temporal incoherence limits the ability of the laser pulses to constructively interfere during pulse duration, thereby reducing achieved peak intensity rather than increasing spectral purity, photon entanglement, or harmonic generation.

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