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Standards

Calibration services

News and Updates

sound setup

Now Hear This!

Researchers at the National Institute of Standards and Technology (NIST) have designed and built an optical device that could set a new standard for measuring

Projects and Programs

pressure measurement items

Pressure

Ongoing
The NIST Thermodynamic Metrology Group (TMG) provides critical research into pressure measurement capabilities improving uncertainties in user facilities and
LED examples

Solid-state lighting metrology

Ongoing
With the rise of new, energy-efficient solid-state lighting (SSL) systems has come the need for new performance metrics and measurement methods to address their
SRMs

Aperture area measurements

Ongoing
Radiometric and photometric measurements require defining apertures. The accuracy to which these measurements can be accomplished requires minimization of the

Fundamental Guided Wave Metrology

Ongoing
Radio-frequency (RF) waves and microwaves are involved with almost every facet of everyday life. Radio stations, television, wireless devices, satellite

Publications

Tools and Instruments

SIRCUS setup

SIRCUS facility and uncertainties

The basic SIRCUS calibration setup is shown at the right. The output from a tunable laser is sent through an intensity stabilizer, then through a 'speckle

Awards