Remote Sensing Portal

Spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength. While … more

Radiometric and photometric measurements require defining apertures. The accuracy to which these measurements can be accomplished requires … more

SIRCUS is a reference facility for the calibration of detectors and radiometers for spectral irradiance responsivity and spectral radiance … more

Spectroradiometers are widely used for acquiring colorimetric, photometric, and radiometric quantities with a single measurement for a variety of … more

The Optical Technology Division of NIST realizes and maintains the unit of optical power (watt) with the NIST reference cryogenic radiometer, … more

STARR II is a planned facility for the spectral and angular characterization of reflection, transmission and scattering of materials across the … more