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← ScienceWhich consequence results when a pulsed laser in a materials microprocessing system experiences Q-switching failure?
A)Pulse duration unexpectedly increases✓
B)Beam coherence increases dramatically
C)Wavelength shifts to ultraviolet
D)Far-field divergence approaches zero
💡 Explanation
When Q-switching fails, stimulated emission reduction diminishes, because the quality factor isn't properly modulated; therefore the gain remains high, resulting in extended lower intensity pulses, rather than short powerful ones unlike other modulation parameters
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