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Projects/Programs

Displaying 201 - 225 of 263

Quantum Radiometry

Ongoing
For quantum applications, it is important to generate quantum states of light and detect them with extremely high efficiency. This project explores the metrology challenges associated with precision measurement of single photon sources and detectors. The classical photonic radiometry techniques used

Quantum Transport Measurements

Ongoing
It is necessary to isolate, control, and understand the fundamental physics of exotic states of matter to create nanoengineered systems with the requisite quantum properties for quantum information systems and advanced computing applications. We develop measurement capabilities and design test

Quantum Voltage Project

Ongoing
Researchers in the Quantum Voltage Project develop and disseminate highly accurate instruments that exploit the quantum mechanical properties of superconductive devices known as Josephson junctions (JJs), as well as measurement techniques and best-practices for using these instruments. When a JJ is

Raman Metrology and Instrumentation

Ongoing
Raman spectroscopy/microscopy is a powerful optical technique for rapid, non-destructive, label-free characterization of materials. It works under ambient conditions, often without requirement of any sample preparation. Applications span microelectronics, pharmaceutical, security and fundamental

Reference Fluid Thermodynamic and Transport Properties Database (REFPROP)

Ongoing
REFPROP is a computer program, distributed through the Standard Reference Data program of NIST, that provides thermophysical properties of pure fluids and mixtures over a wide range of fluid conditions including liquid, gas, and supercritical phases. It contains critically evaluated mathematical

Reliable Vaccine Storage

Completed
Our group examines best practices for the storage and monitoring of vaccines in partnership with the Centers for Disease Control and Prevention’s (CDC) Vaccine Supply and Assurance Branch. Vaccines are highly temperature sensitive, and inappropriate storage conditions can render them ineffective

Scanning Probe Microscopy Calibrations and Standards

Ongoing
The Nanomechanical Properties Group has expertise in a wide variety of SPM techniques, especially atomic force microscopy (AFM); however, the main research thrust for the Group’s standards project area deals with accurate cantilever stiffness calibration and the use and development of AFM methods

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

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

Smart Grid Interoperability Testbed Facility

Ongoing
Objective - To develop and progress an advanced multi-mode interacting measurement testbed that leverage cross-OU expertise to facilitate implementation, validation, and full characterization of smart grid interoperability standards and smart grid performance, with a particular emphasis on DER

Smart Grid National Coordination

Completed
Objective: This project leads, coordinates and manages the national public-private stakeholder partnership effort to accelerate development of interoperability standards for the smart grid, fulfilling NIST’s statutory responsibility under the Energy Independence and Security Act of 2007 (EISA), and

Smart Grid System Testbed Facility

Completed
Objective: To develop an advanced multi-mode interacting measurement testbed to facilitate implementation, validation, and full characterization of smart grid interoperability standards and smart grid performance. What is the technical idea? An interacting multi-mode measurement and characterization

Smoke Stack Flow Measurement

Completed
The Fluid Metrology Group is using its smoke stack simulator (See Fig. 1.) and field tests in operating smoke stacks to critically test conventional and improved ways of measuring the flow of stack gases. In the NIST stack simulator, the inlet cone and reference (upstream) section of the simulator

Speaker and Language Recognition

Ongoing
Current Speaker and Language Recognition technology activities: Speaker Recognition Evaluation series: (1996-) A biennial NIST evaluation of fully automated text-independent speaker recognition technology. View the 2012 NIST SRE report. Human Assisted Speaker Recognition Evaluation series: (2010- )

Spectrophotometry

Ongoing
NIST uses spectrophotometric techniques to measure the optical properties of materials for dissemination of national measurement scales to its stakeholders and advancing the development of standards, measurement methods, and modeling capabilities. The beneficiaries of these activities include the

Spectroscopy and Application of Solid-State Quantum Centers

Ongoing
Quantum color centers in wide-bandgap semiconductors have spin and optical degrees of freedom, which can be leveraged for applications such as sensing and single-photon generation. In materials like diamond and silicon carbide, long spin lifetimes and quantum coherence times enable sensitive

Spectrum Coexistence Metrology

Ongoing
The overarching goal of the Coexistence Project is to support the development, evaluation, and optimization of spectrum sharing techniques. These techniques include methods to model, simulate, and physically measure the ability of wireless communications systems to maintain their functional

Spectrum Sensing and Noise

Ongoing
Reports in the NIST Technical Notes series were extensive measurements of radiated noise. Researchers also made key early contributions to standardizing guided-wave noise measurements in microwave systems. These contributions continue to underpin our ongoing work, but basic applications and hardware

Speech Analytics

Ongoing
Current speech analytics work: OpenSAT is a new speech analytic evaluation series designed to include developers from multiple speech analytic technologies where common datasets are used in NIST evaluations. The goal is to bring together developers focused on different speech analytic tasks to

Standard Platinum Resistance Thermometer Calibration Laboratory (SPRTCL)

Ongoing
The SPRTCL provides an extensive list of calibration services that cover the whole temperature range for which long-stem SPRTs, including high-temperature SPRTs, are the ITS-90 interpolation artifacts. This range spans from the triple point of argon (-189.3442 °C) to the freezing point of silver

Standard Reference Materials for Hexavalent Chromium in Contaminated Soil

Completed
During the last century, chromate and dichromate chemical production facilities processed considerable amounts of chromite ore for industrial manufacturing purposes. The waste material from these operations called chromite ore processing residue (COPR) was disposed of in waste sites across the
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