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Physics Programs & Projects

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Last Updated Date: 01/08/2015

Spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength. While … more

Last Updated Date: 01/06/2015

The purpose of photometry is to measure light in a way that takes the sensitivity of human visual system into account. While radiometry measures … more

Vision science
Last Updated Date: 01/06/2015

The Vision Science program was established to develop new photometric and colorimetric standards based on vision science to facilitate development … more

Solid-state lighting metrology
Last Updated Date: 01/06/2015

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

Precision Measurement Grants Program
Last Updated Date: 12/29/2014

Since 1970, the National Institute of Standards and Technology (NIST) has awarded Precision Measurement Grants to faculty members of U.S. … more

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

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