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Physics Instruments

(showing 16 - 30 of 41)
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

Infrared reference integrating sphere (IRIS)
Last Modified: 02/14/2013

An integrating-sphere system has been designed and constructed for the measurement of multiple optical properties in the infrared spectral range. … more

Low background infrared (LBIR) facility
Last Modified: 10/08/2010

The Low background infrared (LBIR) facility was originally designed to calibrate user supplied blackbody sources and to characterize … more

Lunar spectro-radiometer
Last Modified: 03/30/2015

Design of the lunar irradiance instrument is based on commercially available spectrographs. These spectrographs can be stable and sub-components … more

Medical-Industrial Radiation Facility
Last Modified: 06/05/2015

The Medical-Industrial Radiation Facility (MIRF) located in the  Radiation Physics Division  of the NIST  Physical Measurement Laboratory is a … more

Microcalorimeter Detector
Last Modified: 10/01/2012

The NIST transition edge sensor microcalorimeter is energy dispersive x-ray spectrometer capable of ~5 eV resolution over a range of energies from … more

Missile defense transfer radiometer (MDXR)
Last Modified: 05/12/2015

The Missile Defense transfer Radiometer (MDXR) is a cryogenic transfer radiometer for providing calibrations of collimated infrared beams in … more

NIST Gonio-spectroradiometer
Last Modified: 02/11/2015

The NIST gonio-spectroradiometer is used to measure total spectral radiant flux (TSRF) of incandescent lamps. The instrument consists of a 3-axis … more

Primary optical watt radiometer (POWR) facility
Last Modified: 03/30/2015

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

Radiance temperature calibration laboratory
Last Modified: 10/13/2011

Radiance Temperature Calibration Laboratory is used for the calibration of radiation thermometers, tungsten-strip lamps and heat flux gauges. more

Radiopharmaceutical Standardization Laboratory
Last Modified: 06/03/2015

Radioactivity measurements for diagnostic and therapeutic nuclear medicine in the United States are based on measurements at NIST. Activity … more

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