Optical Metrology Programs & Projects

Aspheric surfaces are indispensable in high-performance optical systems. The ability to accurately manufacture these surfaces to the required … more

LUnar Spectral Irradiance and radiance (LUSI) is a proposed suite of instruments to radiometrically characterize the Moon for use as an on-orbit … more

Since 1970, the National Institute of Standards and Technology (NIST) has awarded Precision Measurement Grants to faculty members of U.S. … more

The optical properties of cryogenic water ices in the vacuum-ultraviolet spectral range are studied.

Bilateral comparison of synchrotron radiation-based deuterium lamp calibrations between the Physikalisch-Technische Bundesanstalt PTB and NIST. more

Calibrations of the The Extreme ultraviolet/X-ray Irradiance Sensor (EXIS), which will be installed on the Geostationary Operations Environment … more

To compare the calibration capabilities for the spectral responsivity in the vacuum-ultraviolet spectral region between 135 nm and 250 nm, PTB and … more

Transfer standard photodiodes may be purchased with a calibration in the range from 5 nm to 254 nm. Other detectors supplied by the customer may … more

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

We study how material properties, surface topography, and contaminants affect the distribution of light scattered from surfaces. Our aim is to … more

This program aims to develop standards, methods, and modeling for assessing the periodic structures using optical reflectance and transmittance … more

Gravimetric and optical methods were developed to assure quantitative deposition of compounds from nano-dispense devices onto the surfaces of … more

Micro- and nano-optomechanical systems are being investigated experimentally to bring these systems toward the quantum limit, study quantum … more

Every four years, the Committee on Data for Science and Technology (CODATA) issues recommended values of the fundamental physical constants. The … more

Most manufacturing has historically been based on top-down fabrication and assembly.  With rapid advances in nanotechnology, there is … more