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Optical Technology Instruments

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Advanced infrared radiometry and imaging
Last Modified: 10/13/2011

Radiation thermometers and blackbodies can be calibrated using a set of blackbodies.  These blackbodies can vary in size and can be fixed-points … more

Aperture area measurement facility
Last Modified: 12/15/2011

NIST has established an absolute aperture area measurement facility for circular and near-circular apertures use in radiometric instruments. The … more

Beamline 10: Electron beam imaging
Last Modified: 11/19/2012

Beamline 10 of the Synchrotron Ultraviolet Radiation Facility is a diagnostics end-station used to determine the transverse size of the stored … more

Beamline 2: Spectrometer Calibrations
Last Modified: 10/03/2011

Absolute irradiance calibrations based on the calculability of synchrotron radiation are performed on beamline 2.

Bidirectional optical scattering facility
Last Modified: 11/28/2014

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

Color and appearance metrology facility
Last Modified: 01/08/2015

The NIST Physical Measurement Laboratory has established the color and appearance metrology facility to support calibration services for 0°/45° … more

Complete hemispherical infrared laser-based reflectometer (CHILR)
Last Modified: 10/05/2010

A custom instrument, the Complete Hemispherical infrared Laser-based Reflectometer (CHILR), employs a gold integrating sphere and is used for the … more

Continuous-wave terahertz spectrometer
Last Modified: 07/03/2014

The continuous-wave terahertz spectrometer makes use of two near-infrared lasers. The first laser is a fixed-frequency cw ring Ti:Saph laser … more

EUV Detector Radiometry Beamline
Last Modified: 10/03/2011

The EUV Detector Radiometry Beamline (BL-9) is devoted to detector-based radiometry and other measurements of optical properties in the extreme … more

Facility for irradiance calibration using synchrotrons
Last Modified: 10/13/2011

The spectral irradiances of deuterium lamps from 200 nm to 400 nm are calibrated in the Facility for Irradiance Calibration Using Synchrotrons … more

Facility for spectroradiometric calibrations (FASCAL 2)
Last Modified: 10/13/2011

FASCAL 2 facility is solely dedicated to spectral irradiance scale realizations and calibrations. The spectral irradiance standards are calibrated … more

Facility for spectroradiometric calibrations (FASCAL)
Last Modified: 12/15/2011

The FASCAL has been in continuous operations since 1970s for the calibrations of spectral radiance of sources. The measurements are performed by … more

Fourier transform infrared spectrophotometry (FTIS) facility
Last Modified: 10/05/2010

The Fourier transform infrared spectrophotometry (FTIS) facility serves as the measurement facility for characterizing the optical properties of … more

Goniophotometer for specular gloss calibrations
Last Modified: 01/08/2015

Specular gloss is the perception by an observer of the mirror-like appearance of a surface. The measurement of specular gloss consists of … more

Infrared laser gonioreflectometer instrument (ILGRI)
Last Modified: 10/05/2010

The Infrared Laser Gonioreflectometer Instrument (ILGRI) is used to measure the bidirectional reflectance distribution function (BRDF) or the … more

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Gaithersburg, MD 20899-1070