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This program is directed towards characterizing the birefringence properties of optical materials for the wavelength range 0.12 μm – 15 μm. The birefringence
ROSI (Robotic Optical Scattering Instrument) is a new facility for measuring reflectance and scattering of materials in the ultraviolet to short-wave infrared
We are developing instrumentation, standards artifacts, and measurement protocols to characterize appearance attributes including color, texture, and gloss
This project provides methods, standards, and services for characterizing surface texture and microform in manufacturing, forensics, and science. We seek to
This program is directed towards characterizing the refractive index and its wavelength dependence at diffraction-limited uncertainty, of optical materials of
The project focuses on significant metrology challenges that impede the advancement of high-performance optical and photonic systems. We develop, fabricate, and
Building on a successful first-year Strategic and Emerging Research Initiatives (SERI) project NIST and Autonomous Vehicles (see 2022 NIST AV workshop and
The NIST Ballistics Toolmark Research Database is an open-access research database of bullet and cartridge case toolmark data. This database will: foster the
This program aims to develop standards, methods, and modeling for assessing the periodic structures using optical reflectance and transmittance measurements.
This program aims to improve the metrology of optical polarization by developing new measurement methods and theoretical understanding of polarization phenomena
We study how material properties, surface topography, and contaminants affect the distribution of light scattered from surfaces. Our aim is to support industry
The purpose of this human subjects study is to collect high-quality measurements of the reflectance spectrum of human skin and assess the variability across the
NIST maintains the national scales for reflectance and transmittance in the ultraviolet, visible, and near-infrared spectral regions (250 nm to 2500 nm). Our
Spectrophotometry is a quantitative measurement technique that allows scientists to investigate the optical properties of materials over a wide wavelength range