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Physics Programs & Projects

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Synchrotron X-ray Measurement Method Development
Last Updated Date: 05/21/2014

Our goal is to develop state of-the-art synchrotron X-ray measurement technology, including instrumentation, methods, and analytical tools, to … more

Synchrotron Beamline Operations
Last Updated Date: 05/21/2014

Our objective is to ensure that the NIST beamlines U7A, X23A2, and X24A, located at the National Synchrotron Light Source (NSLS) at Brookhaven … more

CODATA values of the fundamental constants
Last Updated Date: 04/29/2014

Every four years, the Committee on Data for Science and Technology (CODATA) issues recommended values of the fundamental physical constants. The … more

Quantum Physics Theory
Last Updated Date: 04/29/2014

Theoretical work relevant to the determination of values of the fundamental constants, tests of bound-state quantum electrodynamics (QED), and … more

International System of Units (SI)
Last Updated Date: 04/29/2014

The International System of Units (SI) provides definitions of units of measurement that are widely accepted in science and technology and which … more

Broadband Coherent anti-Stokes Raman Spectroscopy of Thin Films
Last Updated Date: 04/16/2014

Coherent anti-Stokes Raman Scattering (CARS) is a high sensitivity alternative to conventional Raman spectroscopy. Ultrafast lasers are used to … more

Terahertz Bi-Directional Reflection Function Measurements for Homeland Security
Last Updated Date: 04/09/2014

Far-infrared (Terahertz or THz, 25 to 300 micron wavelength) femtosecond laser methods are employed to generate high power broadband pulses for … more

Test and Evaluation Protocols for ANSI/IEEE N42 Standards
Last Updated Date: 03/25/2014

The purpose of these test and evaluation protocols is to provide additional information to the published ANSI/IEEE N42 series for homeland … more

Terahertz Imaging and Sources
Last Updated Date: 03/24/2014

Imaging in the terahertz frequency range enables the detection of concealed weapons and other contraband (e.g., explosives under clothing) without … more

Single Photonics and Quantum Information
Last Updated Date: 03/24/2014

Quantum-based communication and measurement systems that use novel quantum states of light are being developed around the world. However, the … more

Nanostructure Fabrication and Metrology
Last Updated Date: 03/24/2014

Single photons are the fundamental particles for all optical measurements. Single photon detectors made from avalanche photodiodes or … more

Optoelectrical Characterization of Nanostructured Photovoltaic Materials and Devices
Last Updated Date: 03/24/2014

Photovoltaics technology is usually categorized into three generations: 1) devices based on polysilicon; 2) devices based on thin-film direct … more

Quantum Information and Measurements
Last Updated Date: 03/21/2014

America's future prosperity and security may rely in part on the exotic properties of quantum mechanics. Research on quantum information (QI) … more

Solid-state lighting metrology
Last Updated Date: 01/14/2014

With the rise of new, energy-efficient solid-state lighting (SSL) systems has come the need for new performance metrics and measurement methods to … more

Radioactivity Standard Reference Material Program
Last Updated Date: 12/27/2013

The Standard Reference Materials Program of the National Institute of Standards and Technology (NIST) provides science, industry, and government … more

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