Skip to main content
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.

Tools and Instruments

Displaying 1 - 13 of 13

BMDO transfer radiometer (BXR)

NIST developed the BMDO transfer radiometer (BXR) to calibrate small-aperture blackbodies for the test facilities of the Missile Defense Agency (MDA). In

Lunar spectro-radiometer

Design of the lunar irradiance instrument is based on commercially available spectrographs. These spectrographs can be stable and sub-components are readily

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

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