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← ScienceWhich consequence results when thermal fluctuations disrupt a laser's properties?
A)Reduced refractive index contrast
B)Increased spontaneous emission✓
C)Decreased population inversion gain
D)Enhanced optical power saturation
💡 Explanation
Increased spontaneous emission arises because thermal fluctuations disturb the laser medium's stability, causing atoms to transition randomly as dictated by thermal distribution. Therefore, fluorescence increases rather than population inversion, because thermal excitation overtakes stimulated coherence.
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