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Projects/Programs

Topic Area
Displaying 1376 - 1400 of 1667

AI self-quality assurance using learning curves in feedback loops

Ongoing
One application of artificial intelligence (AI) in materials is the acceleration of materials innovation, which is the mission of the Materials Genome Initiative. However, to decrease the cost and time-to-market, we must continuously assess the quality of models with new facts. AI quality assurance...

Semi-Automatic Curation

Ongoing
Scientific literature is undeniably an important source of scientific data for research but the review and curation of data from literature is both tedious and time consuming. Investigators must sort through many articles to review and extract relevant information. For many areas of research...

Semiconductor Integration of Electronics and Photonics

Ongoing
Using integrated photonics, we generate spectrally flat, dark soliton microresonator frequency combs with accurate alignment to the ITU-T grid. These laser sources support innovation in advanced communication and computation applications. Moreover, technical development in these application areas...

Semiconductor Nanowire Metrology: Electronics, Photonics, and Sensors

Completed
One of the key issues hampering progress in semiconductor nanotechnology is the absence of standardized nanostructures. We address this need through the controlled fabrication and assembly of semiconductor nanowire test structures with well-defined properties. To achieve this, we have manufactured...

Sensing and Imaging of concealed objects

Ongoing
Threats to personal and collective safety abound in our society. The Security Technologies Group (STG) performs research to advance the technology and measurement science of security imaging and sensing. This work includes the establishment of test and evaluation tools, reference test beds, test...

Sensing, Transport, and Simulation

Ongoing
We have recently developed a finite-size scaling approach and special simulation cell aspect ratio—the golden aspect ratio—to enable accurate incorporation of access resistant and bulk diffusion in ionic transport, see the figure. This enables quantitative, and efficient, prediction of ion transport...

Sequential Bayesian Experiment Design

Completed
We develop and publish the optbayesexpt python package. The package implements sequential Bayesian experiment design to control laboratory experiments for efficient measurements. The package is designed for measurements with: an experiment (possibly computational) that yields measurements and...

Serology and Neutralization Assays for COVID-19

Ongoing
Multiplexed bead-based SARS-CoV-2 serological assay We have developed a validated multiplexed bead-based SARS-CoV-2 serological assay that measures different antibodies produced by a patient (IgG, IgM, IgA). In collaboration with the NIST Applied and Computational Mathematics Division, we have...

Service Life Prediction of Filled Polymers Project

Ongoing
Objective: By FY2014, to develop and implement measurement science that will provide the technical foundation for service life prediction of filled polymeric materials exposed to compound environmental stressors, through quantitative tests and models applied to polymeric pipes, sealants, and...

Service Life Prediction of Polymeric Components for Reliable Power Systems

Ongoing
Objective To develop and implement measurement science for accurately testing, characterizing, predicting, and validating lifetime of polymeric components, such as cables, connectors, encapsulants and backsheets, in their service conditions, for reliable and resilient power systems. Technical Idea...

Service-Oriented Architectures for Smart Manufacturing Project

Ongoing
Objective: Improve the performance of smart manufacturing systems by developing standards, reference models, and software tools that enable the application of service-based integration technologies to smart manufacturing systems. Technical Idea: Manufacturers are increasingly using the inherent...

Short Courses

Ongoing
Topics, along with a description, for previously-taught classes are below. New topics are being considered. If you have a suggestion for a course, or would like to request that a course be taught, please contact Julia Sharp (julia.sharp [at] nist.gov (julia[dot]sharp[at]nist[dot]gov)).

Si-Based Single Spin/Single Photon Measurement, Coherence and Manipulation

Ongoing
Devices based on moving and controlling single electrons offer the tantalizing possibility of achieving quantum information processing by virtue of their spin or charge coherent properties. We are pursuing CMOS-compatible Si-based quantum dots for a variety of goals, including:” Narrowband high-MHz...

Silicon-based single electron current standards

Ongoing
Our devices can manipulate and trap a single electron in a quantum dot through the application of voltages to electrostatically controlled tunnel barriers. By cycling these voltages appropriately, we are able to sequentially pump one electron at a time through the device. To produce a current...

Silicon-based Solid-State Analog Quantum Simulators

Ongoing
Why Atom-based Si AQS Analog quantum simulators are designed quantum systems with a tunable Hamiltonian to emulate complex quantum systems intractable using classical computers due to the exponential growth of the calculations with system size. Simulating strongly interacting fermions (electrons) on...

Single photon measurements: Single Photon Tunneling

Completed
We are studying what happens when a single particle (in this case a photon) crosses a tunneling barrier. This is a particularly interesting question because tunneling is a fundamental distinguishing characteristic of quantum mechanics and it implies remarkable properties such as barrier crossing...

Single Photonics and Quantum Information

Ongoing
One of the activities in this group is the development of single photon technologies for quantum information science and technology. We work closely with the Nanostructure Fabrication and Metrology Project on the generation of novel non-classical states of light and the detection of single photons...

Single-Cell Manipulation and Measurement

Ongoing
Mammalian cells are an important source material for applications in regenerative medicine, gene therapy, engineering biology, and genome editing. Traditional tools for manipulating mammalian cells operate at a bulk cell population level without precision manipulation of individual cells...

Single-molecule biosensors

Ongoing
We are developing new tools to investigate the energy landscape of single-molecule sensors. Our goal is to apply a wide-ranging array of technologies to probe the critical physicochemical properties of nanopore biosensors. These properties include the free energy of confinement for polymers as they...

Slap Fingerprint Segmentation Evaluation (Slapseg) Overview

Ongoing
SlapSeg04 was the first and evaluated a slap segmentation algorithm's ability to segment fingerprints that could be matched using high end fingerprint matching technology. SlapsegII started in 2009 and compares the slap segmentation algorithm's output to hand marked ground truth results. This...

Small Mass and Small Force Metrology at NIST

Ongoing
Project 1: The electronic milligram. As a result of kilogram redefinition within the SI, it may be possible to realize mass at the milligram level and below using electrical measurements. To this end, the NIST Electrostatic Force Balance (EFB) has been used to measure the mass of artifacts spanning...
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