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Physics Programs & Projects

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Quantum
Last Updated Date: 10/14/2014

Quantum science and engineering has the potential to revolutionize 21st century technology in much the same way that lasers, electronics, and … more

Accelerator Facilities
Last Updated Date: 10/09/2014

The Radiation Physics Division's accelerator facilities continue to support a broad range of research efforts in the areas of industrial and … more

Radioactivity Standard Reference Material Program
Last Updated Date: 10/09/2014

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

Newtonian constant of gravitation international consortium
Last Updated Date: 10/07/2014

The Newtonian constant of gravitation G is one of the most fundamental constants of classical physics. Recent measurements of G are in … more

Nano-Structured Optics and Optical Surface Metrology
Last Updated Date: 09/30/2014

Aspheric, free-form, and nano-structured surfaces are indispensable in high-performance optical systems. The ability to accurately manufacture … more

Affect of Partial Charge Calculation Method on Adsorption Thermodynamics
Last Updated Date: 09/30/2014

In classical molecular simulations, electrostatic contributions to the potential energy are typically accounted for by assigning partial charges … more

NIST Standard Reference Simulation Website
Last Updated Date: 09/24/2014

The Standard Reference Simulation Website is an ongoing project whose aim is to provide well-documented simulation results for a variety of … more

Femtosecond Laser Frequency Combs for Optical Clocks
Last Updated Date: 08/14/2014

We develop self-referenced mode-locked femtosecond lasers that function as the "gears" of optical clocks. The femtosecond laser clockwork is … more

Yb Lattice Clock
Last Updated Date: 08/08/2014

Our Group is developing high stability, high accuracy optical atomic clocks based on thousands of Yb atoms confined to an optical lattice. Such … more

Neutron Interferometry with Polarized Neutrons as an Additional Degree of Freedom
Last Updated Date: 07/15/2014

Our goal is to apply Quantum Information Processing techniques to improve neutron interferometry contrast by making our final measurement … more

Photovoltaic Carrier Dynamics Measured by Time-Resolved Terahertz Spectroscopy
Last Updated Date: 07/11/2014

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

State-resolved Biomolecular Spectroscopies
Last Updated Date: 07/03/2014

Sensitive and fully state resolved spectroscopic methods in the terahertz (THz) and ultraviolet (UV) regions are being developed to investigate … more

Molecular Imaging
Last Updated Date: 07/01/2014

Biophotonics is at the intersection of photonics and biology where light is used to image, detect, and manipulate biological materials. This … more

In Situ Measurement Techniques
Last Updated Date: 07/01/2014

Synthetic cell membrane constructs allow the simplification and complete control of a more complicated cellular system, as well as the … 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

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