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Physics Programs & Projects

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Calibration of the Extreme UV/X-ray Irradiance Sensor (EXIS) for the Geostationary Operations Environment Satellite R-Series Program (GOES-R)
Last Updated Date: 08/25/2015

Calibrations of the The Extreme ultraviolet/X-ray Irradiance Sensor (EXIS), which will be installed on the Geostationary Operations Environment … more

Advanced Neutron Imaging Facility
Last Updated Date: 08/25/2015

The NIST Neutron Imaging Facility (NNIF) at the NIST Center for Neutron Research .

Neutron Imaging of Lithium and Alkaline Batteries
Last Updated Date: 08/25/2015

A common topic in energy systems is the need for in situ measurement of the mass transport of light ion species such as hydrogen or lithium.   … more

Neutron Tomography of Hydrogen Storage Bed
Last Updated Date: 08/25/2015

Future hydrogen fuel cell vehicles will require hydrogen storage vessels that efficiently store and quickly release the hydrogen fuel. The … more

Characterization of Porous Transport Media for Hydrogen Fuel Cells
Last Updated Date: 08/25/2015

Efficiently managing water transport in proton exchange membrane fuel cells (PEMFCs) is critical to the performance, cost, and durability in order … more

Neutron Imaging for Advanced Catalyst Development and Durability Studies
Last Updated Date: 08/25/2015

Neutron imaging continues to play a key role in elucidating the role of water in proton exchange membrane fuel cells (PEMFCs) as highlighted by … more

Towards a Neutron Microscope
Last Updated Date: 08/25/2015

A novel neutron lens based on reflection has recently been developed that could greatly benefit neutron imaging and other neutron scattering … more

Extreme ultraviolet optical constants
Last Updated Date: 08/25/2015

In the vacuum ultraviolet and extreme ultraviolet (EUV), the indices of refraction of all materials become complex: N = n + ik , or N = 1- d + ik … more

ICE 62755 Standard N42 Data Format
Last Updated Date: 08/24/2015

The purpose of the IEC 62755 standard N42 data format is to facilitate manufacturer-independent transfer of information from radiation measurement … more

Photovoltaic Carrier Dynamics Measured by Time-Resolved Terahertz Spectroscopy
Last Updated Date: 08/24/2015

Far-infrared (or THz, 25 to 300 micron wavelength) femtosecond laser methods are employed to measure photovoltaic (PV) materials spectra and … more

Infrared cryogenic blackbody broadband calibration
Last Updated Date: 08/19/2015

The Missile Defense Agency (MDA) requires all test facilities to have their blackbodies calibrated at the NIST Low Background Infrared (LBIR) … more

Neutron Detector Replacement Program
Last Updated Date: 08/19/2015

The Department of Homeland Security/Domestic Nuclear Detection Office (DHS/DNDO) is pursuing a course to transform 3 He alternative technologies … more

Hyperspectral Imaging Standards
Last Updated Date: 08/19/2015

Hyperspectral imaging as a field is in the process of maturing from a specialized tool to a routine method applied to many facets of society.

Cold-Atom Devices
Last Updated Date: 08/18/2015

The cooling of atoms to microkelvin temperatures using lasers is currently enabling a new generation of precision instruments that take advantage … more

Last Updated Date: 08/18/2015

The NIST Thermodynamic Metrology Group (TMG) provides critical research into pressure measurement capabilities improving uncertainties in user … more

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