Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 12176 - 12200 of 13225

Spin-Polarized Electron Microscopy

January 1, 1988
Author(s)
Daniel T. Pierce
… scientific challenge with many ramifications for magnetic technology is to image magnetic microstructure with the highest possible spatial resolution in order to observe magnetic domains or even spin … measurement, using a spin-polarized incident beam in an SEM, has many difficulties which are discussed. To …

Development of a miniature radiation pressure-measuring microscale

Author(s)
Ivan Ryger, Alexandra B. Artusio-Glimpse, Paul A. Williams, Nathan A. Tomlin, Michelle S. Stephens, Matthew T. Spidell, John H. Lehman
… obstruction of the laser beam. The technique enables in situ measurements of total optical power with traceability … one hundred miliseconds. Using bulk silicon micromachining technology these sensors are compact, fast, and more … based on commercially available microscales [2]. In this contribution, we present the fabrication and protype …

Microsecond-Resolution Laser Polarimetry for the Measurement of the Normal Spectral Emissivity of Pulse-Heated Materials

Author(s)
Sitaraman Krishnan, K Boboridis
… the normal spectral emissivity of pulse-heated materials in conjunction with radiation thermometry to achieve … emissivity are then derived from the measured change in the polarization state. Preliminary measurements on the … was 2737 K + 25 K. Potential applications of this new technology are described in the context of true temperature …

Thermal, Structural, and Optical Properties of Multispectral Zinc Sulfide

May 4, 2006
Author(s)
L Henneman, L LaCroix, C Wilson, S Kurzius, D C. Harris, M Baronowski, B Burns, K Kitagawa, J Gembarovic, S Goodrich, Leonard Hanssen, Simon G. Kaplan, C Staats, J Mecholsky
… full-scale windows. Coupons from both lots were included in all tests.Thermophysical tests were conducted at the … were measured at the National Institute of Standards and Technology (NIST) at selected wavelengths from 2 to 14 mm. … 100 and 200 C.Fractography to document the failure origin in all flexure bars was conducted at NAVAIR. Selected coupons …

Sensitivity Examination of the airEXODUS Aircraft Evacuation Simulation Model

November 16, 1998
Author(s)
Richard W. Bukowski, Richard D. Peacock, Walter W. Jones
… Laboratory at the National Institute of Standards and Technology (NIST) has been a leader in the development, application and evaluation of models for … The FAA asked the National Institute of Standards and Technology to examine the sensitivity of the airEXODUS model …

NISTIR 7082: Proficiency Testing Policy and Plan for State Weights and Measures Laboratories (2026 Ed.)

February 24, 2026
Author(s)
Micheal Hicks, Elizabeth Koncki, Tobias Herman, Isabel Baucom, Katrice Lippa
… (PT) Program of the National Institute of Standards and Technology (NIST) Office of Weights and Measures (OWM). This … Accreditation Cooperation (ILAC). The PT program has been in place since the early 1980s as a core part of the support … Original activities were conducted as "round robin" tests in support of ongoing measurement assurance activities …

NIST Handbook 44: Specifications, Tolerances and Other Technical Requirements for Weighing and Measuring Devices (2026 Ed.)

January 5, 2026
Author(s)
Loren Minnich, Gloria Lee, Juana Williams, Isabel Baucom, Jan Konijnenburg, John McGuire, Katrice Lippa
… measuring equipment and associated equipment and for use in applications for law enforcement and the collection of … statutory responsibility for "cooperation with the states in securing uniformity of weights and measures laws and … Measures (OWM) of the National Institute of Standards and Technology (NIST) and input from weights and measures …

TRIP$ - Transportation Risk-Recovery Investment Planning Solutions: Optimizing Earthquake Resilience & Functional Recovery of Highways

September 29, 2025
Author(s)
Aspasia Nikolaou, Angelos Tsatsis, Maria Antoniou, Juan Fung, Yalda Saadat, Fani Gelogoti, Rallis Kourkoulis, Steven McCabe
… The United States (US) faces significant challenges in maintaining and modernizing its aging infrastructure, particularly in the transportation sector, which includes roadways, … developed by the National Institute of Standards and Technology (NIST) and the Federal Emergency Management Agency …

Addressing Visibility Challenges with TLS 1.3 within the Enterprise

September 17, 2025
Author(s)
William Newhouse
… method for internal traffic visibility. The NCCoE, in collaboration with technology providers and enterprise customers, initiated a … can use this guidance to implement the builds described in this document. This guide also includes links to mappings …

SLowFlowS: A novel flow standard for semiconductor process gases

March 1, 2025
Author(s)
Jodie Gail Pope, Keith A. Gillis, Aaron Johnson, Joey Boyd, John Wright
… Numerous process gases are used in the production of semiconductor chips. Accurate metering … address this issue the National Institute of Standards and Technology (NIST) developed a novel rate-of-rise flow …

NIST Handbook 44: Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices (2025 Ed.)

January 10, 2025
Author(s)
Juana Williams, Loren Minnich, Gloria Lee, Jan Konijnenburg, Isabel Baucom, Katrice Lippa
… measuring equipment and associated equipment and for use in applications for law enforcement and the collection of … statutory responsibility for "cooperation with the states in securing uniformity of weights and measures laws and … Measures (OWM) of the National Institute of Standards and Technology (NIST) and input from weights and measures …

Kinetic inductance current sensor for visible to near-infrared wavelength transition-edge sensor readout

November 6, 2024
Author(s)
Paul Szypryt, Douglas Bennett, Ian Fogarty Florang, Joseph Fowler, Jiansong Gao, Andrea Giachero, Ruslan Hummatov, Adriana Lita, John Mates, Sae Woo Nam, Daniel Swetz, Joel Ullom, Michael Vissers, Jordan Wheeler
… on the superconducting transition-edge sensor are used in a number of visible to near-infrared applications, … particularly for photon-number-resolving measurements in quantum information science. To be practical for … the kinetic inductance current sensor, a scalable readout technology that exploits the nonlinear kinetic inductance in

Animating Vital-signs for Radar Simulations: Comparing Physical Optics Against 28.5 GHz Channel Measurements

June 13, 2024
Author(s)
Jihoon Bang, Jack Chuang, Jelena Senic, Samuel Berweger, Steve Blandino, Camillo Gentile
… or heart rates as well as other physical movements in complex environments is the basis for many emerging … these movements necessitates measurement campaigns in combination with advanced machine-learning algorithms. … chamber by the National Institute of Standards and Technology, capturing phase and path loss over time from a …

Observation of a promethium complex in solution

May 22, 2024
Author(s)
Bruce D. Ravel, Darren Driscoll, Frankie White, SUBHAMAY PRAMANIK, Jeffrey Einkauf, Dmytro Bykov, Santanu Roy, Richard Mayes, Laetitia Delmau, Samantha Schrell, Thomas Dyke, April Miller, Matt Silveira, Silveira2 van Cleve, Roy Copping, Sandra Davern, Santa Jansone-Popova, Ilja Popovs, Alexander Ivanov
… Lanthanide rare earth metals are ubiquitous in modern technologies, but we know little about chemistry of … a fundamental aspect of the periodic table that is quoted in general chemistry textbooks. Here we demonstrate a stable … of the 147Pm radionuclide (half-life τ ½= 2.62 years) in aqueous solution by the newly synthesized organic …

Entangled photon pair generation in an integrated SiC platform

May 9, 2024
Author(s)
Anouar Rahmouni, Lijun Ma, Ruixuan Wang, Jingwei Li, Xiao Tang, Thomas Gerrits, Qing Li, Oliver T. Slattery
… Entanglement plays a vital role in quantum information processing. Owing to its unique … only entanglement of nuclear spins has been reported in silicon carbide, while an entangled photon source, whether … we report the demonstration of an entangled photon source in an integrated silicon carbide platform for the first time. …

Threshold and Laser Conversion in Nanostructured-Resonator Parametric Oscillators

January 10, 2024
Author(s)
Haixin Liu, Grant Brodnik, Jizhao Zang, David Carlson, Jennifer Black, Scott Papp
… We explore optical parametric oscillation (OPO) in nanophotonic resonators, enabling arbitrary, nonlinear … We utilize a nanostructured inner-wall modulation in the resonator to achieve universal phase matching for … pump laser. This depletes the intraresonator optical power in either direction, increasing the OPO threshold power and …

A tabletop x-ray tomography instrument for nanometer-scale imaging: demonstration of the 1,000-element transition-edge sensor subarray

August 1, 2023
Author(s)
Paul Szypryt, Nathan J. Nakamura, Dan Becker, Douglas Bennett, Amber L. Dagel, W.Bertrand (Randy) Doriese, Joseph Fowler, Johnathon Gard, J. Zachariah Harris, Gene C. Hilton, Jozsef Imrek, Edward S. Jimenez, Kurt W. Larson, Zachary H. Levine, John Mates, Daniel McArthur, Luis Miaja Avila, Kelsey Morgan, Galen O'Neil, Nathan Ortiz, Christine G. Pappas, Dan Schmidt, Kyle R. Thompson, Joel Ullom, Leila R. Vale, Michael Vissers, Christopher Walker, Joel Weber, Abigail Wessels, Jason W. Wheeler, Daniel Swetz
… was recently used to reconstruct ICs at the 130 nm technology node, but to increase imaging speed to more …

Simulation For All: The Atomic, Molecular, and Optical Science Gateway

June 1, 2023
Author(s)
kathryn hamilton, klaus bartschat, nicolas douguet, sudhakar pamidighantam, robert lucchese, Barry I. Schneider
… computational tools and data that have grown organically in the theoretical community. The Atomic, Molecular, and … while impacting many other areas of applied science and technology such as quantum information science and … computers in science and engineering …

Semiconductor thermal and electrical properties decoupled by localized phonon resonances

May 10, 2023
Author(s)
Bryan Spann, Joel Weber, Matthew Brubaker, Todd E. Harvey, LINA YANG, Hossein Honarvar, Chia-Nien Tsai, Andrew Treglia, MINHYEA LEE, MAHMOUD HUSSEIN, Kris A. Bertness
… into electricity through thermally driven charge transport in solids or vice versa for cooling. To compete with … full spectrum, that couple with the heat-carrying phonons in the membrane and cause a reduction in the in-plane thermal conductivity, with no expected change …

NIST Handbook 44: Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices (2023 Ed.)

January 30, 2023
Author(s)
Tina Butcher, Richard A. Harshman, Gloria Lee, Juana Williams, Jan Konijnenburg, Lisa Warfield, Katrice Lippa, Shelby Bowers, Elizabeth Benham
… measuring equipment and associated equipment and for use in applications for law enforcement and the collection of … statutory responsibility for "cooperation with the states in securing uniformity of weights and measures laws and … Measures (OWM) of the National Institute of Standards and Technology (NIST) and input from weights and measures …

Assessment of trace elements directly from archived total suspended particulate filters by laser ablation ICP-MS: A case study of South Carolina

December 9, 2022
Author(s)
Sarah Commodore, Steven J. Christopher, Bethany Wolf, Erik Svendsen
… technique to directly analyze inorganic elemental species in particulate matter from air pollution filters. Methods: … particulates (TSP) filters collected every 6 days in 2011 from three South Carolina locations were used in this proof-of-concept study. The sites represented the …

Efficient chip-based optical parametric oscillators from 590 nm to 1150 nm

December 2, 2022
Author(s)
Jordan Stone, Xiyuan Lu, Gregory Moille, Kartik Srinivasan
… Optical parametric oscillators are a ubiquitous technology used to generate coherent light at frequencies not … gain. However, chip-based parametric oscillators operating in the visible spectrum have suffered from pump-to-signal … signal and idler waves with unprecedented output powers in this wavelength range. We estimate on-chip output powers …

Measuring the Common Vulnerability Scoring System Base Score Equation

November 15, 2022
Author(s)
Peter Mell, Jonathan Spring, Dave Dugal, Srividya Ananthakrishna, Francesco Casotto, Troy Fridley, Christopher Ganas, Arkadeep Kundu, Phillip Nordwall, Vijayamurugan Pushpanathan, Daniel Sommerfeld, Matt Tesauro, Christopher Turner
… Scoring System (CVSS) Version 3 ''base score'' equation in capturing the expert opinion of its maintainers. CVSS is a … industry standard for rating the severity of information technology vulnerabilities; it is based on human expert … ''acceptable deviation'' (with a value of 0.5 points). In this work, the distance between the CVSS base scores and …

Metasurface on integrated photonic platform: from mode converters to machine learning

July 20, 2022
Author(s)
Zi Wang, Yahui Xiao, Kun Liao, Tiantian Li, Hao Song, Haoshuo Chen, S M Zia Uddin, Dun Mao, Feifan Wang, Zhiping Zhou, Bo Yuan, Wei Jiang, Nikolas Fontaine, Amit Agrawal, Alan Willner, Xiaoyong Yu, Tingyi Gu
… components. Silicon nanowire waveguides guide the light in the way that single and few mode fibers define the … for optical computing and advanced signal processing technology. Here we review an alternative way of defining the … wave-front shapers. We discuss the role of metasurface in integrated photonic signal pro-cessing systems, introduce …
Displaying 12176 - 12200 of 13225
Was this page helpful?