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Physics Programs & Projects

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Spectrophotometry
Last Updated Date: 07/31/2014

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

Quantum Sensors
Last Updated Date: 07/22/2014

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

Photometry
Last Updated Date: 07/15/2014

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

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

Far-infrared Spectroscopy of Biomolecules
Last Updated Date: 07/11/2014

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

Hydrogen Generation in Di-Iron Hydrogenase Mimics
Last Updated Date: 07/11/2014

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

Newtonian constant of gravitation international consortium
Last Updated Date: 06/09/2014

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

Synchrotron X-ray Measurements
Last Updated Date: 05/21/2014

Our objective is to provide comprehensive descriptions of the structure of advanced materials and devices by performing synchrotron-based … more

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

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