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Quantum Physics Portal

Programs and Projects
Applications of Quantum Information

Theory is being developed and used to devise methods for preserving and exploiting the quantum behavior of ever-larger systems for metrology, … more

Small Mass and Small Force Metrology at NIST

There are two projects: The electronic milligram; and NIST-on-a-chip optomechanical methods for calibration of mass, force, laser power and other … more

Calibration of Force Transducers

NIST provides calibration services for force-measuring devices by applying known forces, either tension or compression, to the elastic device and … more

NIST Mise en Pratique of the New Kilogram Definition

As part of a New SI system of units to be adopted in 2018, the kilogram will be redefined so that it may be realized in terms of Planck’s … more

Calibration of Mass Standards

NIST maintains the national standard for mass in the form of the prototype kilograms (K4, K20, K79, K92, and K102) and provides services to … more

SI-traceable Dynamic Force

Established calibration methods for force transducers are static, with a known constant force applied to the transducer and compared to the … more

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