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Gaithersburg

As Good as it Gets: NIST Develops Its Fourth Generation Wire Micrometer that Rivals Best in the World

March 11, 2021

Researchers at the National Institute of Standards and Technology (NIST) have developed a dramatically improved laser-based instrument that measures the...

$Minimum Deviation Angle Refractometry System$

Minimum-Deviation-Angle Refractometry System

High-accuracy index of refraction measurements are made at NIST using a custom minimum-deviation-angle refractometry system. It uses all-reflective optics and a

Birefringence Properties of Optical Materials (0.12 μm – 2 μm)

This program is directed towards characterizing the birefringence properties of optical materials for the wavelength range 0.12 μm – 15 μm. The birefringence

$Minimum Deviation Refractometer System$

Index Properties of Optical Materials (0.12 μm – 15 μm)

This program is directed towards characterizing the refractive index and its wavelength dependence at diffraction-limited uncertainty, of optical materials of

Fundamental Physics: Electric Field Imaging with Neutrons

In collaboration with Sandia National Laboratories, electric fields have been imaged using neutrons on the NG6e cold neutron imaging beamline. A proof-of

Trustworthiness and Traceability of Supply Chain Data

The Systems Engineering Group (SID/Engineering Laboratory) is pursuing a vision where a standards-based digital thread of data fuels the...

Comparisons: NIST Participation in International Intercomparisons

To establish equivalency of activity standards with national metrology institutes (NMIs) around the world and support their declarations of calibration and

Save the Date: 2021 Federal Cybersecurity Workforce Summit

Join us on April 27 th from 1-4 pm EDT for the virtual 2021 Federal Cybersecurity Workforce Summit ! The Office of Personnel Management and National Initiative...

Calibrations: Gamma-ray Spectrometry System

The NIST high resolution gamma-ray spectrometry facility is composed of six High Purity Germanium (HPGe) detectors and a silicon-drifted detector. The HPGe

Update on the NIST Center for Neutron Research Alert on Feb. 3, 2021

March 2, 2021

NOTE: The NIST Center for Neutron Research (NCNR) reactor remains shut down, and all measurements confirm that the public and environment have remained safe...

Circuit board with various square chips and gold screws. Small letters in the center say: NIST True Bq.

Basic Metrology: True Becquerel - A New Paradigm for 21st Century Radioactivity Measurements

Expanding applications of radioactivity in medicine, energy, and national security demand quantification of complex radionuclide mixtures at uncertainty levels

ACMD Seminar: Regulation of PD-L1 inside the tumour microenvironment

Adarsh Kumbhari Applied Mathematics, University of Sydney, NSW, Australia Tuesday, April 27, 3:00 EDT (1:00 MDT) A video of this talk is...

ACMD Seminar: Architecture-dependent bifurcations and clustering in brain networks

Anca Radulescu Department of Mathematics, SUNY New Paltz Tuesday, April 13, 2021, 3:00 PM EDT (1:00 MDT) A video of this talk is available...

ACMD Seminar: Resolving the Shock Layer in Fixed-Bed Adsorption with Boundary Layer Theory

Robert DeJaco Applied and Computational Mathematics Division, ITL, NIST Tuesday, March 30, 2021, 3:00 PM EDT (1:00 PM MDT) A video of this...

2021 Federal Cybersecurity Workforce Summit (Virtual)

Tue, Apr 27 2021, 1:00 - 4:00pm EDT

The PowerPoint slides used during this webinar can be downloaded here. The Federal Cybersecurity Workforce Summit

SP 800-90B Entropy Source Validation Workshop

Tue, Apr 27 2021, 10:00am - Thu, Apr 29 2021, 2:30pm EDT

The workshop covers topics on the validation of entropy sources conforming to NIST SP 800-90B, with the goal of helping

Optical Properties of Materials

SUMMARY This program in the Sensor Science Division of NIST is directed towards developing improved optical materials measurement technology...

Basic Metrology: Comparison of NIST-1 and NIST-3 Standard Ampoules

Since the 1950s, the NIST Radioactivity Group has employed standardized 5 mL borosilicate glass ampoules for ionization chamber measurements and high-resolution

Basic Metrology: NIST-3 Standard Ampoules and Automatic Tip Sealing

Standard-sized ampoules for radioactive solution standards have been employed by the National Institute of Standards and Technology (NIST) for the past 70 years

Basic Metrology: Recent Primary SRM Standardizations

Following is a tabulation of the primary standardizations of Radioactivity SRMs performed over the past decade.

A measurement-based approach to 5G supply chain security

Revolutionizing the American economy comes from advancements in communication networks that enable a fully connected world through millions of devices providing

Text Analysis Conference

There has been a growing recognition of the importance of community-wide evaluations for research in information technologies. The Text Analysis Conference is a

ACMD Seminar: Model-free forecasting with applications to multi-sensor arrays

Tyrus Berry Department of Mathematical Sciences, George Mason University Tuesday, March 16, 2021, 3:00 PM EST (1:00 PM MST) A video of this...

Masks Under the Microscope

March 9, 2021

To understand how something works, it helps to see it up close. A team of researchers took this approach when studying

Jim Olthoff’s Remarks for the Feb. 10 Community Meeting

February 10, 2021

Referenced Speaker

James K. Olthoff

Remarks as prepared. Thank you all for joining us this evening. I’m sorry for the short notice of this meeting, but we wanted to schedule it as soon as we could...