U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Standards

Calibration services

News and Updates

Industry Impacts

A man in a hardhat standing on top of the million-pound weight stack with a person standing at the bottom.

Massive Forces for Heavy Industry

Measuring large forces, such as the thrust of a rocket engine or the deflection of an aircraft wing, requires well-calibrated force sensors. NIST’s unique

Projects and Programs

color and appearance diagram

Color and appearance

We are developing instrumentation, standards artifacts, and measurement protocols to characterize appearance attributes including color, texture, and gloss

Publications

Tools and Instruments

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
Plot of Si photodiode typical responsivity in EUV

Si EUV Photodiode Transfer Standard

Silicon (Si) photodiodes are issued by NIST as transfer standard detectors throughout the extreme ultraviolet spectral region (5 nm to 254 nm). Each device is

Awards