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Physics Programs & Projects

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Quantum Dot coated CMOS CID arrays for the UV and VUV
Last Updated Date: 03/25/2015

A technique has been developed for coating commercial off the shelf (COTS) detector arrays with a thin, uniform layer of quantum dots. The quantum … more

Bilateral Comparison of Spectral Responsivity in the Vacuum-Ultraviolet
Last Updated Date: 03/24/2015

To compare the calibration capabilities for the spectral responsivity in the vacuum-ultraviolet spectral region between 135 nm and 250 nm, PTB and … more

EUV Detector Calibrations
Last Updated Date: 03/24/2015

Transfer standard photodiodes may be purchased with a calibration in the range from 5 nm to 254 nm. Other detectors supplied by the customer may … more

Vacuum-Ultraviolet Optical Properties of Cryogenic Water Ices
Last Updated Date: 03/24/2015

The optical properties of cryogenic water ices in the vacuum-ultraviolet spectral range are studied.

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

NIST Lyman-Alpha Neutron Detector (LAND)
Last Updated Date: 03/24/2015

The well-known interaction of low-energy neutrons and 3 He produces a proton and a triton with 764 keV of kinetic energy shared between the two … 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.

Geostationary Operations Environment Satellite R-Series Program (GOES-R) Extreme UV/X-ray Irradiance Sensor (EXIS) Calibration
Last Updated Date: 03/24/2015

Calibrations of the The Extreme ultraviolet/X-ray Irradiance Sensor (EXIS), which will be installed on the Geostationary Operations Environment … more

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

Synchrotron Radiation-based Ultraviolet Source Calibrations
Last Updated Date: 03/24/2015

Bilateral comparison of synchrotron radiation-based deuterium lamp calibrations between the Physikalisch-Technische Bundesanstalt PTB and NIST. more

Theoretical Mass Spectrometry
Last Updated Date: 03/18/2015

Mass spectrometry is an important technique in analytical chemistry, essential in areas including drug development, criminal and agricultural … more

Nanomagnetic Imaging
Last Updated Date: 02/25/2015

The microscopic arrangement of the magnetic structure within a thin metal film plays a fundamental role in many technological applications ranging … more

Novel Sources for Focused-ion Beams
Last Updated Date: 02/23/2015

Focused beams of ions have a wide range of uses, from nanoscale imaging to the fabrication of nanomaterials. In the CNST, researchers are … 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

Affect of Partial Charge Calculation Method on Adsorption Thermodynamics
Last Updated Date: 02/05/2015

In classical molecular simulations, electrostatic contributions to the potential energy are typically accounted for by assigning partial charges … more

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