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.
News and Updates
NIST Team Develops Technique to Stabilize the Phase of Weak Light Signals in Quantum Network
NIST Offers New Calibration Service for Wavemeters
With Some Bumps, NIST Scientists Devise a Novel Way to Extend the Wavelength Range of Microcombs
Blog Posts
From 1901 to 2021: Measurements Then and Now
