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← ScienceWhich consequence results when misalignment hampers a laser beam?
A)Reduced optical pumping efficiency✓
B)Decreased mode-locking bandwidth
C)Increased amplified spontaneous emission
D)Decreased population inversion lifetime
💡 Explanation
Laser misalignment reduces stimulated emission because photons miss active gain medium regions reducing the stimulated emission rate thereby favoring spontaneous emission; therefore, optical pumping efficiency diminishes, rather than options B, C, and D relating directly to different underlying laser properties.
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