Experiment design

News and Updates

The Case of the Cloudy Filters: Solving the Mystery of the Degrading Sunlight Detectors

March 25, 2021

More than 150 years ago, the Sun blasted Earth with a massive cloud of hot charged particles. This plasma blob generated a magnetic storm on Earth that caused

NIST Publishes a Beginner’s Guide to DNA Origami

January 8, 2021

In a technique known as DNA origami, researchers fold long strands of DNA over and over again to construct a variety of tiny 3D structures, including miniature

In Search for Dark Matter, New Fountain Design Could Become Wellspring of Answers

November 27, 2020

You can’t see it. You can’t feel it. But the substance scientists refer to as dark matter could account for five times as much “stuff” in the universe as the

Projects and Programs

Autonomous Materials Science

We use autonomous experimentation (the merger of automated synthesis, characterization, AI-driven decision-making) to elucidate the role of composition

NIST PS1 Primary Standard for quantitative NMR (Benzoic Acid)

The "first-of-its-kind" in an entirely new class of reference material, NIST PS1 Primary Standard for quantitative NMR (Benzoic Acid) is now available! The PS

Additive Manufacturing Part Qualification

Critical parts for defense, aerospace, and medical applications must be formally qualified prior to use. Currently, extensive empirical testing consisting of

AM Machine and Process Control Methods for Additive Manufacturing

Part quality in additive manufacturing (AM) is highly dependent on the process control, but there is a lack of adequate AM control methods and standards. In

Publications

optbayesexpt: Sequential Bayesian Experiment Design for Adaptive Measurements

February 3, 2021

Author(s)

Robert McMichael, Sean M. Blakley, Sergey Dushenko

Optbayesexpt is a free, open-source python package that provides adaptive algorithms for efficient estimation/measurement of parameters in a model function

Sequential Bayesian experiment design for optically detected magnetic resonance of nitrogen-vacancy centers

November 16, 2020

Author(s)

Sergey Dushenko, Kapildeb Ambal, Robert D. McMichael

In wide-range magnetometry using optically detected magnetic resonance of NV- centers, we demonstrate more than order-of-magnitude speed up with sequential

False Alarm Testing for Radiation Detection Systems

October 2, 2020

Author(s)

Dennis D. Leber, Leticia S. Pibida

An operator of a radiation detection system that displays a high rate of false alarms may be- come desensitized to these alarms. This action is known as alarm

Accelerated Weathering Parameters for Some Aromatic Engineering Thermoplastics. Part 2: Polycarbonate copolymers, polyarylate and ABS

August 16, 2020

Author(s)

Li Piin Sung, James E. Pickett, Olga Kuvshinnikova, Brett Ermi

Understanding the responses of materials to environmental variables is essential for performing meaningful accelerated weathering and service life prediction

Tools and Instruments

Large Aperture Scanner

The Large Aperture Scanner (LAS) scans a radar transceiver over a 5 meter by 20 meter aperture. Image reconstruction techniques enable a three-dimensional

Awards

Xiao Tang - 2016 Fellow of the American Physical Society

For outstanding contributions in optical technologies and systems, with application to quantum communications, spectrometry, and digital