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Optical Metrology Portal

Programs and Projects
CODATA values of the fundamental constants

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

Fabry-Perot Displacement Interferometry

High-resolution Fabry-Perot interferometry is being developed and employed for demanding applications in mechanical displacement metrology. more

Micro- and nano-optomechanical systems

Light can interact with mechanical systems in interesting and useful ways, not only probing the mechanical motion with spectacular sensitivity, … more

Modeling and Simulation of Nanofabrication (Archived)

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

Nano-Structured Optics and Optical Surface Metrology

The project focuses on significant metrology challenges that impede the advancement of high-performance optical and photonic systems. We develop, … more

Precision Measurement Grants Program

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

Instruments
Synchrotron Ultraviolet Radiation Facility SURF III

The Synchrotron Ultraviolet Radiation Facility SURF III is operated by the National Institute of Standards and Technology NIST as a stable light … more

Beamline 2: Spectrometer Calibrations

Absolute irradiance calibrations based on the calculability of synchrotron radiation are performed on beamline 2. See GOES-R/EXIS and SDO as … more

Primary optical watt radiometer (POWR) facility

POWR is a cryogenic electrical substitution radiometer that serves as the Nation's optical power reference. more

Bidirectional optical scattering facility

Goniometric optical scatter instrument (GOSI) The bidirectional reflectance distribution function (BRDF) quantifies the angular distribution of … more

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Contact

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inquiries@nist.gov

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