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Which consequence results when stimulated emission fails in laser?

A)Output coherence decreases dramatically
B)Beam undergoes self-focusing
C)Cavity mirrors experience delamination
D)Crystal thermal lensing diminishes gain

💡 Explanation

Decreased output coherence happens because stimulated emission generates coherent photons; therefore, if laser mechanisms do not provide sufficient stimulated emission, the output becomes less coherent, rather than other effects related to thermal or stress issues.

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