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Physics Programs & Projects

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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

NIST Time Measurement and Analysis Service (TMAS)
Last Updated Date: 03/28/2013

The NIST Time Measurement and Analysis Service (TMAS) was designed to assist laboratories that maintain an accurate local time standard. The … more

Quantum information technology and correlated photon radiometry
Last Updated Date: 03/26/2013

We develop methods and devices to further radiometric techniques and quantum information technology. This includes developing and characterizing … 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

Absorbed-Dose Measurements to Support Biologics Research
Last Updated Date: 03/20/2013

The Dosimetry Group have been working with Maryland-based biotech firm Sanaria Inc. that is planning to manufacture a new vaccine against malaria. more

Radionuclides by Anticoincidence Counting
Last Updated Date: 03/20/2013

The standardization of radionuclides by primary methods is the foundation for all the standards and services provided by the NIST radioactivity … more

Nanotribology for Nanomanufacturing
Last Updated Date: 03/20/2013

Tribology is the science and technology of interacting surfaces in relative motion and includes studies of friction, adhesion, lubrication, and … more

Liquid Scintillation Counting
Last Updated Date: 03/19/2013

The triple-to-double coincidence ratio (TDCR) method of liquid scintillation counting employs three detectors to facilitate the experimental … more

Ge-68, PET Scanner Clinical Trials
Last Updated Date: 03/19/2013

The interpretation of quantitative imaging data obtained from Positron Emission Tomography (PET) studies requires an understanding of the … more

International Comparison of Tc-99
Last Updated Date: 03/19/2013

An international measurement comparison for a 99 Tc solution hosted by National Physical Laboratory (NPL) of the UK, (CCRI(II)K-2. 99 Tc … more

Comparison of Co60 Absorbed Dose for High-Dose Dosimetry
Last Updated Date: 03/13/2013

NIST participated in a recent international comparison of standards for absorbed dose to water for 60 Co gamma radiation at radiation-processing … more

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