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Physics Programs & Projects

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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
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

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

Collagen Films Protocol
Last Updated Date: 05/08/2013

Background: Collagen type 1 is the most prevalent extracellular protein in connective tissue, and is part of the family of collagens that are … more

Theory of Transport in Graphene
Last Updated Date: 03/21/2013

Graphene, a single layer of carbon atoms, is one of the most likely materials to produce the next breakthrough in the electronics industry.  Ideal … more

Surface Plasmon Resonance Imaging of Cells and Extracellular Matrix Proteins
Last Updated Date: 10/10/2012

A critical challenge in cell biology is imaging and quantifying the interactions of cells with their extracellular matrix (ECM) environment, and … more

Chemical/Biochemical Microsensor Science
Last Updated Date: 10/02/2012

The Process Sensing Group at NIST is investigating a range of fundamental and technological issues related to next-generation chemical and … more

Energy Determination of X-Ray Transition Energies Using the NIST TES Microcalorimeter Detector
Last Updated Date: 10/02/2012

Previous efforts to produce a comprehensive tabulation of atomic x-ray transition energies have been hampered by the fact that a) detectors having … more

Molecular Orbital Structure of Energetic Nitrogen Compounds from X-Ray Emission Spectroscopy
Last Updated Date: 10/02/2012

When chemical compounds of low-Z elements are excited by x-rays, the ionized core states are filled from the valence band. The molecular orbital … more

Inkjet Gravimetry
Last Updated Date: 10/02/2012

Gravimetric and optical methods were developed to assure quantitative deposition of compounds from nano-dispense devices onto the surfaces of … more

Spectroscopic Measurements of Atmospheric Gases for Monitoring Greenhouse Gases
Last Updated Date: 10/01/2012

Climate scientists are developing a new generation of spectrometers for the NASA-sponsored inventory of atmospheric greenhouse gases, most notably … more

Spectroradiometry of sources
Last Updated Date: 12/15/2011

Calibration standards for spectral radiance and spectral irradiance are disseminated in the form of transfer lamps and integrating sphere sources. … more

OOF: Finite Element Analysis of Microstructures
Last Updated Date: 02/17/2011

The OOF project seeks to provide flexible software for finite-element modeling the behavior of real microstructures, with meshes derived from … more

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