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Physics Programs & Projects

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Atomic Spectroscopy Data Center
Last Updated Date: 06/06/2013

Critical compilations of atomic energy levels, transition wavelengths, and transition probabilities. Online databases. more

Spectroscopy of Engineered Atoms
Last Updated Date: 06/06/2013

Experiments with atomic systems designed to have features more favorable for improved measurements of atomic properties and constants of nature.     more

IECn42
Last Updated Date: 06/05/2013

The purpose of the IEC 62755 standard N42 data format is to facilitate manufacturer-independent transfer of information from radiation measurement … more

Plasma Metrology
Last Updated Date: 06/04/2013

Measurement techniques in support of commercial and scientific uses of plasmas.

Technical Highlights Atomic Physics Division
Last Updated Date: 06/04/2013

The strategy of the Atomic Physics Division is to develop and apply atomic physics research methods, and particulary the interaction between atoms … 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

Thermometry
Last Updated Date: 05/08/2013

The NIST Thermodynamic Metrology Group maintains and develops national standards of temperature (in the range 0.65 K to 1235 K), and supports … more

Lunar spectral irradiance and radiance (LUSI)
Last Updated Date: 04/11/2013

LUnar Spectral Irradiance and radiance (LUSI) is a proposed suite of instruments to radiometrically characterize the Moon for use as an on-orbit … more

Measuring Light-Matter Interactions in Chip-Based Optical Cavities
Last Updated Date: 04/11/2013

Measuring interactions between light and matter has both fundamental and practical importance. For example, lasers have had a profound influence … more

Absolute cryogenic infrared radiometry
Last Updated Date: 04/10/2013

In support of defense programs in remote sensing, NIST maintains the scale for infrared radiant flux by using the Absolute Cryogenic radiometer … more

Infrared cryogenic blackbody broadband calibration
Last Updated Date: 04/10/2013

The Missile Defense Agency (MDA) requires all test facilities to have their blackbodies calibrated at the NIST Low background infrared (LBIR) … more

Transfer radiometers and reference detectors
Last Updated Date: 04/10/2013

We have developed several portable radiometers to transfer the primary detector-based scales for optical power, radiance, and irradiance in the … more

High-Dose Dosimetry Uncertainty Tables
Last Updated Date: 04/02/2013

The high-dose dosimetry program supports radiation-processing applications by assuring that the absorbed dose to the product, often prescribed or … 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

Calibration of Beta-Particle Sources and Instruments for Radiation Protection
Last Updated Date: 03/21/2013

A calibration service for protection-level beta-particle sources and instrumentation has been in place at NIST for several years

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