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Optical Technology Programs & Projects

(showing 31 - 40 of 40)
Optical scattering from surfaces
Last Updated Date: 10/25/2012

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

Optical grating scatterometry
Last Updated Date: 10/25/2012

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

Color and appearance
Last Updated Date: 10/17/2012

We are developing instrumentation, standards artifacts, and measurement protocols to characterize appearance attributes including color, texture, … more

Applied spectroradiometry and imaging metrology
Last Updated Date: 10/02/2012

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

Vision science
Last Updated Date: 10/02/2012

The Vision Science program was established to develop new photometric and colorimetric standards based on vision science to facilitate development … more

Spectral responsivity measurement
Last Updated Date: 10/02/2012

NIST provides calibration of the spectral responsivity and spatial uniformity of photodetectors for use in industrial and government labs. These … more

Spectroradiometry of sources
Last Updated Date: 12/15/2011

Calibration standards for spectral radiance and spectral irradiance are disseminated in the form of transfer lamps and integrating sphere sources. … more

Aperture area measurements
Last Updated Date: 11/03/2011

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

NIST Calibration of SDO/EVE/ESP Rocket Instrument
Last Updated Date: 10/03/2011

NASA launched the Solar Dynamics Observatory ( SDO ) satellite on 11 Feb 2010 on a mission to study the sun. The EUV Variability Experiment ( EVE … more

Diffraction effects in radiometry
Last Updated Date: 01/12/2011

We want to quantify the breakdown of geometrical optics when computing the throughput of optical systems for the purpose of calculating … more

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