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Physics Instruments

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Advanced infrared radiometry and imaging
Last Modified: 09/29/2015

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

Aluminum Oxide Photodetector Transfer Standard
Last Modified: 09/03/2015

Aluminum oxide (Al 2 O 3 ) photodiodes are issued by NIST as transfer standard detectors in the extreme ultraviolet spectral region (5 nm to 125 … 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 1: Degradation of EUV filters and mirrors
Last Modified: 10/02/2015

Beamline 1 separates a swath of light from the synchrotron into two parts. The first part is collected in Beamline 1a by a normal-incidence … more

Beamline 10: Electron beam imaging
Last Modified: 03/25/2015

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: 08/25/2015

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

Beamline 3: Center for Advanced Synchrotron Radiation-Based Metrology
Last Modified: 09/22/2015

Streamlining Detector-based Radiometry at SURF III NIST has maintained the Synchrotron Ultraviolet Radiation Facility (SURF) for nearly 6 decades … more

Beamline 4: Ultraviolet Optical Properties and Calibrations
Last Modified: 09/01/2015

Beamline 4 is a general purpose radiometric beamline consists of a 2 m monochromator to disperse radiation from SURF III. An Absolute Cryogenic … more

Beamline 5: Electron beam imaging
Last Modified: 08/20/2015

Beamline 5 of the Synchrotron Ultraviolet Radiation Facility is a diagnostics end-station used to determine the transverse size of the stored … more

Beamline 7:  EUV reflectometry
Last Modified: 09/22/2015

The NIST/DARPA EUV Reflectometry facility began in the late 1980's to make measurements of the reflectivity of EUV multilayer optics for … more

Beamline 8: EUV Surface Chemistry & Lifetime
Last Modified: 09/04/2015

The purpose of the end station on Beamline 8 at the Synchrotron Ultraviolet Radiation Facility (SURF III) is to study the degradation of materials … more

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

BMDO transfer radiometer (BXR)
Last Modified: 09/30/2015

NIST developed the BMDO transfer radiometer (BXR) to calibrate small-aperture blackbodies for the test facilities of the Missile Defense Agency … 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: 07/27/2015

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

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Gaithersburg, MD 20899-1070