Abstract
Quantum sensors have revolutionized the field of precision measurement by exploiting quantum coherence, entanglement, and interference. These sensors offer unprecedented sensitivity in measuring time, magnetic and electric fields, acceleration, and gravitational forces. Recent developments in atomic clocks, nitrogen-vacancy (NV) center magnetometers, and optomechanical devices have shown significant enhancements in performance. This paper explores the fundamental principles behind quantum sensors, key technological advancements, and real-world applications ranging from navigation to medical imaging and gravitational wave detection.
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