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Gaithersburg

Radiation Physics Division

The Division develops, maintains and disseminates the national measurement standards for ionizing radiation and radioactivity, and methods and models to address related applications.

Reference transmittance densitometer

The Reference Transmission Densitometer (RTD) is the national reference instrument for standard diffuse visual transmittance density measurements for x-ray and

Telescope calibration facility (TCF)

The Telescope Calibration Facility (TCF) was designed to support the NIST Stars project by providing a facility to radiometricly calibrate long focal length

NIST Stars

NIST Stars is a project to improve the accuracy of the catalog of standard stars used by astronomers for spectral flux calibration of observatories so that they

Hyperspectral Image Projector (HIP)

Detecting climate data with remote sensing instruments, providing state-of-the-art surveillance imagery for security and defense, or getting the most out of

Patents & Licensing

Technologies Available for Licensing For a searchable list of available NIST patents and published patent applications, please visit our...

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, communication, and

NIST Gonio-spectroradiometer

The NIST gonio-spectroradiometer is used to measure total spectral radiant flux (TSRF) of incandescent lamps. The instrument consists of a 3-axis scanning
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