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Which risk increases when laser gyroscope coherence length diminishes?

A)Measurement accuracy becomes more variable
B)Reflected light dominates interference pattern
C)Resonance frequency collapses from drift
D)Spontaneous emission overwhelms stimulated emission

💡 Explanation

Decreased coherence length limits the path length differences that maintain interference, because interference relies on consistent phase relationships. Therefore, gyroscope measurement accuracy degrades, rather than reflecting the dominance condition or either emission failure, both functions of power.

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