U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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

Prototype NIST developed Next-Gen fiber probe for inspection of small critical features.

Dimensional Measurement Services

Ongoing
The Dimensional Measurement Services (DMS) project delivers unique high-accuracy length based calibrations that are essential to global trade, supports basic

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