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← ScienceWhich consequence results when exceeding the coherence length within a pulsed laser amplifier?
A)Increased second harmonic generation
B)Spectral broadening becomes prominent✓
C)Reduced optical parametric oscillation
D)Enhanced stimulated Raman scattering
💡 Explanation
Spectral broadening happens because exceeding coherence length introduces phase mismatches, amplifying different frequency components rather than a single wavelength. Therefore, spectral broadening occurs, rather than harmonic generation which requires stable phase matching.
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