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Optical Technology Programs & Projects

(showing 16 - 30 of 39)
Synchrotron Radiation-Based Calibrations for Space Weather Prediction
Last Updated Date: 03/24/2015

Orbital ultraviolet and extreme-ultraviolet spectrometers are calibrated on beamline 2, taking advantage of the calculability of synchrotron … more

Photodetector Analysis for Biological Agent Detection
Last Updated Date: 03/24/2015

Photomultiplier tube (PMT) analysis with respect to PMT sensitivity and long-term stability using synchrotron radiation.

Long-Term Monitoring of the Ultraviolet Irradiance Scale
Last Updated Date: 03/24/2015

In 2004, the National Institute of Standards and Technology NIST established the ultraviolet spectral irradiance scale from 200 nm to 400 nm using … more

Applied spectroradiometry and imaging metrology
Last Updated Date: 02/11/2015

Spectroradiometers are widely used for acquiring colorimetric, photometric, and radiometric quantities with a single measurement for a variety of … more

Optical medical imaging
Last Updated Date: 01/13/2015

The Optical Medical Imaging program was established to advance the application of optical imaging in surgical, clinical, and medical practices. … more

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

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

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

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

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