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Which outcome occurs when a high-power laser induces resonant excitation?

A)Nonlinear optical harmonic generation
B)Slightly reduced energy conversion efficiency
C)Decreased laser coherence length observed
D)Improved temporal pulse laser compression

💡 Explanation

Nonlinear harmonic generation (NHG) occurs because resonant excitation dramatically enhances the nonlinear susceptibility. Therefore, increased NHG appears rather than pulse compressions, because coherence or efficiencies are less significant changes under this condition.

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