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Physics Programs & Projects

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Evolution of Image Spatial Resolution
Last Updated Date: 08/25/2015

Measuring the through-plane water content in a hydrogen fuel cell is critical to understanding this complicated heat and mass transport … more

Synchrotron Radiation-based Ultraviolet Source Calibrations
Last Updated Date: 08/25/2015

Bilateral comparison of synchrotron radiation-based deuterium lamp calibrations between the Physikalisch-Technische Bundesanstalt PTB and NIST. more

Use of a laser-driven plasma source in ultraviolet-detector calibrations
Last Updated Date: 08/25/2015

The National Institute of Standards and Technology operates two spectral comparator facilities, both of which are used to provide detector … more

Quantum Dot coated CMOS CID arrays for the UV and VUV
Last Updated Date: 08/25/2015

A technique has been developed for coating commercial off the shelf (COTS) detector arrays with a thin, uniform layer of quantum dots. The quantum … more

Long-Term Monitoring of the Ultraviolet Irradiance Scale
Last Updated Date: 08/25/2015

In 2004, the National Institute of Standards and Technology NIST established the ultraviolet spectral irradiance scale from 200 nm to 400 nm using … more

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

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