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Which risk increases when optically pumped rubidium vapor lacks polarization control?

A)Signal-to-noise ratio performance degradation
B)Transition rate constant stabilization
C)Ground-state density wave localization
D)Radio-frequency atomic emission enhancement

💡 Explanation

Reduced polarization causes increased noise because quantum projection noise overwhelms scalar signals from target magnetic fields, which are used in atomic magnetometers; therefore, the magnetometer performance suffers, rather than benefiting from increased emissions under polarization-optimized conditions.

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