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Physics Programs & Projects

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Terahertz Imaging and Sources
Last Updated Date: 12/11/2014

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

Nanostructure Fabrication and Metrology
Last Updated Date: 12/11/2014

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

Quantum Sensors
Last Updated Date: 12/11/2014

The Quantum Sensors Project develops sensors based on quantum phenomena for spectroscopy, imaging, and other precision measurements for … more

Optical grating scatterometry
Last Updated Date: 11/28/2014

This program aims to develop standards, methods, and modeling for assessing the periodic structures using optical reflectance and transmittance … more

Optical scattering from surfaces
Last Updated Date: 11/28/2014

We study how material properties, surface topography, and contaminants affect the distribution of light scattered from surfaces. Our aim is to … more

Theory of the optical properties of materials
Last Updated Date: 11/28/2014

The overarching objective of this project is reliably calculating the bulk optical properties of materials, such as complex index of refraction, … more

Diffraction effects in radiometry
Last Updated Date: 11/28/2014

We want to quantify the breakdown of geometrical optics when computing the throughput of optical systems for the purpose of calculating … more

Quantum Computation and Simulation with Neutral Atoms
Last Updated Date: 11/28/2014

Quantum information processing seeks to use the features of quantum physics to accomplish otherwise intractable computational tasks. The two main … more

Hydrogen Generation in Di-Iron Hydrogenase Mimics
Last Updated Date: 11/28/2014

Discovery of novel materials to facilitate hydrogen gas production has prompted new avenues of research towards developing hydrogen as an … more

Far-infrared Spectroscopy of Biomolecules
Last Updated Date: 11/28/2014

Far-infrared (or terahertz/THz, ca. 25 to 300 micron wavelength) femtosecond pulsed laser and Fourier-transform infrared methods are employed to … more

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

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

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