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← ScienceWhich consequence results when a pulsed laser's external cavity mirrors become misaligned?
A)Lasing ceases due to suppressed gain✓
B)Increased power output from spontaneous emission
C)Wavelength shifts toward the infrared
D)Pulses broaden into continuous wave output
💡 Explanation
Lasing stops because external cavity misalignment reduces optical feedback below the threshold for sustained Amplified Spontaneous Emission. The laser action ceases, therefore gain suppression occurs, rather than shifting wavelengths or increasing less coherent emissions under poor alignment.
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