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Physics Programs & Projects

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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.

Pressure
Last Updated Date: 08/18/2015

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

Reactivity and chaos in collisions of Atoms and Molecules
Last Updated Date: 08/18/2015

Collisions and reactions between atoms and molecules are fundamental to many parts of physics and chemistry. They control, for example, the rate … more

Quantum Many-Body Physics, Quantum Optics, and Quantum Information
Last Updated Date: 08/18/2015

The main long-term goals of our theoretical research group are to understand and control large interacting quantum systems, as well as to design … more

Vapor Cell Devices
Last Updated Date: 08/18/2015

We are developing microfabricated high-performance atomic magnetometers for magnetic anomaly detection, nuclear magnetic resonance and biomagnetics. more

Active Interrogation Standards
Last Updated Date: 08/18/2015

Active interrogation involves directing nuclear radiation into a closed container and measuring secondary radiations to gain information about the … more

NIST-on-a-Chip in the ADI Group
Last Updated Date: 08/18/2015

We are developing core technology tools to enable chip-scale standards that realize a broad range of base and derived SI units in compact, … more

Air Speed Metrology
Last Updated Date: 08/18/2015

NIST’s versatile wind tunnel is used to calibrate customers’ air speed sensors and to conduct research on the design of novel anemometers, the … more

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