Calibration services

News and Updates

A sunset. Text reads: "Radio Station WWVH. Reception Report, 15.0 MHz. Serial #23818. Date 4/7/2023."

Spotlight: Disseminating Time Signals Far and Wide With NIST’s Radio Stations

January 31, 2024

There are dedicated, enthusiastic people in this world who have made a cause (and hobby) out of saying, “I heard that.” NIST is keenly aware. We’re talking

Ileana Pazos sits and smiles for a photo next to scientific equipment. She's holding tweezers next to the machine.

Spotlight: Research Chemist Ileana Pazos’ Radiant Role in Longer-Lasting, Safer Imported Foods

March 24, 2023

Fruits and vegetables brought in from outside the country first require health and foodborne pathogen inspections. NIST research chemist Ileana Pazos helps the

Now Hear This!

June 30, 2022

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

SI Length and Traceability

Ongoing

To enable our highest accuracy calibrations and NIST advanced research efforts, we maintain and develop methods to provide traceability to the meter via laser

Lunar Spectral Irradiance (LUSI)

Ongoing

LUnar Spectral Irradiance (LUSI) is a program to radiometrically characterize the Moon for use as an on-orbit reference standard suitable for satellite

Radiation Protection: Support of the Navy Dosimetry Program

Ongoing

The U.S. Navy uses thermoluminescent dosimeters (TLDs) to monitor personnel for radiation exposure.

Electromagnetic Field Strength Metrology

Ongoing

The Field Strength Metrology Project develops measurements of free-space electromagnetic (EM) emissions to help evaluate electronic interference of electronic

Publications

NIST's Antenna Gain and Polarization Calibration Service Reinstatement

October 9, 2023

Author(s)

Josh Gordon, Benjamin Moser

After a five-year renovation of the National Institute of Standards and Technology (NIST) Boulder, CO, antenna measurement facility, the Antenna On-Axis Gain

Report from the Extreme Ultraviolet (EUV) Lithography Working Group Meeting: Current State, Needs, and Path Forward

August 22, 2023

Author(s)

Elizabeth Rasmussen, Boris Wilthan, Brian Simonds

This is the report of a hybrid working group meeting held on April 25, 2023, at the National Institute of Standards and Technology (NIST) in Boulder, CO. The

Magnetic Resonance Imaging Biomarker Calibration Service: NMR Measurement of Isotropic Water Diffusion Coefficient

March 30, 2023

Author(s)

Stephen E. Russek, Katy Keenan, Karl Stupic, Nikki Rentz, Michael Boss, Kevin J. Coakley, Amanda Koepke, Cassandra Stoffer

This document describes a calibration service to measure the water diffusion coefficient, or diffusivity, in reference materials and tissue mimics using nuclear

On Predistortion Filtering for Switched Beamforming With Phased-Array Antennas

March 26, 2023

Author(s)

Jack Chuang, Camillo Gentile

In recent work, we proposed sweeping the antennas of phased arrays and beamforming in postprocessing – what we coined switched beamforming – instead of sweeping