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Physical Measurement Laboratory

PML is a world leader in the science of measurement. We determine the definitive methods for nearly every kind of measurement employed in commerce and research, provide NIST-traceable calibrations, and disseminate standards and best practices throughout the nation. At the same time, PML works continuously at the outermost frontiers of metrology, devising tools and techniques to meet the ever-changing demands of American industry and science.

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NIST Team Develops Highest-Resolution Single-Photon Superconducting Camera
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Partially unraveling an entangled mystery

News and Updates

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Partially Unraveling an Entangled Mystery

Entanglement—a uniquely quantum phenomenon that intimately links the fate of subatomic particles even if they reside on opposite sides of the galaxy—is a key

Events

5858 Fundamentals of Metrology

Mon, Jan 29 - Fri, Feb 2 2024
The 5-day Fundamentals of Metrology seminar is an intensive course that introduces participants to the concepts of

5854 Mass Metrology Seminar

Mon, Feb 26 - Fri, Mar 8 2024
The Mass Metrology Seminar is a two-week, "hands-on" seminar. It incorporates approximately 30 percent lectures and 70

Awards

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Press Coverage

Patents

Thin Film Magnetic Field Vector Sensor

NIST Inventors
Emily Bittle , David Gundlach and Sebastian Engmann
A novel magnetic field sensor (MFS) may be created with an organic light emitting diode (OLED) made from an organic semiconductor material and an organic photodetector (OPD) built directly on top (or below) of the OLED, wherein at least one layer is made from an oriented molecular or polymer organic

Thin Film Magnetic Magnitude Sensor

NIST Inventors
David Gundlach , Emily Bittle and Sebastian Engmann
A novel magnetic field sensor (MFS) may be created with an organic light emitting diode (OLED) made from an organic semiconductor material and an organic photodetector (OPD) built directly on top (or below) of the OLED, wherein one layer is made from a magnetically isotropic material, and which

Contacts

PML Director and Deputy Director

Associate Director for Measurement Services and Associate Director

Executive Secretary