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Applied Physics Division

Our mission is to advance measurement science & technology in areas of critical importance to national priori

Quantum Measurement Division

The Quantum Measurement Division (QMD) provides the physical foundation for the International System of Units (Systèm

Quantum Physics Division

The Division performs experimental and theoretical research and innovation advancing fundamental measurement science

Radiation Physics Division

The Division develops, maintains and disseminates the national measurement standards for ionizing radiation and radio

Sensor Science Division

The Division advances the measurement science, standards, and applications for dimensional, optical radiation, and th

Time and Frequency Division

The Time and Frequency Division maintains the standard for frequency and time interval for the United States, provide

Weights and Measures

To improve the accuracy of measurements, enhance consumer protection, foster fair competition, and facilitate economi