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NIST Authors in Bold

Displaying 9876 - 9900 of 13225

Measurement of the 27Al+ and 87Sr absolute optical frequencies

January 21, 2021
Author(s)
Holly Leopardi, Kyle Beloy, Tobias B. Bothwell, Samuel M. Brewer, Sarah L. Bromley, Jwo-Sy Chen, Scott Diddams, Robert J. Fasano, Youssef S. Hassan, David B. Hume, Dhruv Kedar, Colin J. Kennedy, Isaac H. Khader, David R. Leibrandt, Andrew D. Ludlow, William F. McGrew, William R. Milner, Daniele Nicolodi, Eric Oelker, Thomas E. Parker, John M. Robinson, Stefania Romisch, Jeffrey A. Sherman, Lindsay I. Sonderhouse, William C. Swann, Jian Yao, Jun Ye, Xiaogang Zhang, Tara M. Fortier
… frequencies at the National Institute of Standards and Technology and JILA at the University of Colorado against a … uncertainties are dominated by statistical noise and gaps in the observation interval ('dead-time' uncertainty). …

The certification of electrophoretic mobility/zeta potential of silica particles in aqueous solution: ERM-FD305/SRM 1992

October 27, 2020
Author(s)
Y. Ramaye, V. Kestens, J. Charoud-Got, S. Mazoua, G. Auclair, Tae Joon Cho, Blaza Toman, Vincent A. Hackley, T. Linsinger
… of ERM-FD305/SRM 1992, silica nanoparticles suspended in a borate buffer, certified for electrophoretic mobility … was produced following ISO 17034:2016 and is certified in accordance with ISO Guide 35:2017. The certified reference … (Belgium) and the US National Institute of Standards and Technology (NIST), Gaithersburg (USA). The CRM was produced …

Operando Scanning Electron and Microwave Microscopies in Plasmas: A Comparative Analysis

July 30, 2020
Author(s)
Andrei A. Kolmakov, Alexander Tselev
… industries, environmental remediation, and biomedical technology. Recently, we proposed near-field … plasma processing with a sub-100 nm spatial resolution. In this communication, we report on true operando near-field microwave imaging in plasma and its extension to imaging in SEM. …

Sub-Millisecond Time-Resolved Small-Angle Neutron Scattering Measurements at NIST

June 3, 2020
Author(s)
Charles J. Glinka, Markus NMN Bleuel, Peter NMN Tsai, Dominika Zakutna, Dirk Honecker, Dominique Dresen, Flore Mees, Sabrina Disch
… measurements at the National Institute of Standards and Technology (NIST) is described and applied to the … time resolution, based on Gӓhler's TISANE concept, is in operation at NIST's Center for Neutron Research (NCNR). …

DARPA Organic Interconnect Characterization

January 27, 2020
Author(s)
Dylan Williams, Richard Chamberlin, Jerome Cheron, Sam Chitwood, Ken Willis, Brad Butler, Farhang Yazdani
… developed at the National Institute of Standards and Technology (NIST) and then simulated with the Cadence …

TOPOLOGY OF VOIDS AND CHANNELS IN SELECTED PORPHYRINIC COMPOUNDS

December 1, 2019
Author(s)
Lawrence P. Cook, Greg Brewer, Daniel Siderius, Winnie Wong-Ng
… paid to crystallographically controlled voids and channels in these materials. We have conducted an initial survey of the voids and channels in a random subset of 1000 porphyrinic compounds with known … these compounds have line-of-sight channels, which differ in their topology depending on the crystallography. A small …

John Werner Cahn

September 15, 2019
Author(s)
William J. Boettinger, C A. Handwerker, Frank W. Gayle
… Senior Fellow of the National Institute of Standards and Technology (NIST), died in Seattle, WA on March 14, 2016 at age 88. After distinguished careers at General Electric in Schenectady, N.Y. (1954-1964) and at MIT (1964-1978), Cahn …

Transitioning the Use of Cryptographic Algorithms and Key Lengths

March 21, 2019
Author(s)
Elaine B. Barker, Allen L. Roginsky
… The National Institute of Standards and Technology (NIST) provides cryptographic key management … information, and planning ahead for possible changes in the use of cryptography because of algorithm breaks or the …

Gain Calibration of Current-to-Voltage Converters

November 19, 2018
Author(s)
Thomas C. Larason, Carl C. Miller
… Current-to-voltage converters are used in many photometric and radiometric applications. The … they propagate. The National Institute of Standards and Technology has developed a system to calibrate the …

Conference Report: Representing Ethnic Diversity for Precision Medicine

August 23, 2018
Author(s)
Justin M. Zook, Luke Hickey, Benedict Paten, Robert Sebra, Valerie Schneider
… ethnic diversity with genomic resources — and to do so in a way that maximizes utility for people working with the … the authors at the Precision Medicine Leaders Summit, held in San Diego in August 2017. The session, entitled “Minority … addressing population bias in existing databases; evolving technology; data sharing; and achieving precision medicine …

Photonic chip for laser stabilization to an atomic vapor at a precision of $10^{-11}$

April 11, 2018
Author(s)
Matthew T. Hummon, Songbai Kang, Douglas G. Bopp, Qing Li, Daron A. Westly, Sangsik Kim, Connor D. Fredrick, Scott A. Diddams, Kartik A. Srinivasan, John E. Kitching
… We perform precision spectroscopy of rubidium confined in a micro-machined, 27~mm$^3$ volume, vapor cell using a … spectroscopy with this device will be an enabling technology for the next generation of quantum sensors and …

Thermodynamic Analysis of Classical and Quantum Search Algorithms

January 19, 2018
Author(s)
Ray A. Perlner, Yi-Kai Liu
… as these quantum algorithms. Thus, the quantum advantage in query complexity does not imply a reduction in these thermodynamic resource costs. In addition, we present realistic estimates of the resource …

Process Engineering During the Life Cycle of a Product in the Twenty-First Century: Scope and Status of ISO/CD 10303-231

February 19, 2017
Author(s)
Mark E. Palmer, M Gilbert, F E. Hess
… 231 of ISO10303 on some process engineering activities in the twenty-first century. Second, it breaks down … and skills that will be useful to some process engineers in the next millennium with the increased use of AP 231 by … Process Engineering During the Life Cycle of a Product in the Twenty-First Century: Scope and Status of ISO/CD …

Wind and Seismic Effects - Proceedings of the 38th Joint Panel Meeting

February 19, 2017
Author(s)
Stephen A. Cauffman
… was held at the National Institute of Standards and Technology, Gaithersburg, Maryland during 15-17 May 2006. The … and 29 technical papers.The manuscripts were presented in eight sessions: Geotechnical Engineering and Ground …

Gain Comparison of a 3D?Printed Horn and an Electroformed Horn

October 29, 2016
Author(s)
Michael H. Francis, David R. Novotny, Josh Gordon, Alexandra Curtin, Ronald C. Wittmann
… The National Institute of Standards and Technology (NIST) has used the three‐antenna extrapolation … method to determine the on‐axis gain of several antennas in the WR8 frequency band. One antenna is an electroformed …

Hyperfine structure constants for singly-ionized manganese (Mn II) using Fourier Transform Spectroscopy

June 9, 2016
Author(s)
Keeley I. Townley-Smith, Gillian Nave, J C. Pickering, Richard J. Blackwell-Whitehead
… on the comprehensive study of hyperfi ne structure (HFS) in Mn II conducted by Holt et al. (1999) by verifying hyper … unstudied levels. The HFS patterns were measured in archival spectra from Fourier transform (FT) spectrometers … College London and the National Institute of Standards and Technology. Analysis of the FT spectra was carried out in …

Best Practices for Privileged User PIV Authentication

April 21, 2016
Author(s)
Hildegard Ferraiolo, David Cooper, Andrew R. Regenscheid, Karen Scarfone, Murugiah P. Souppaya
… and database administrators, as well as other information technology (IT) personnel with administrative privileges. …

Demonstration of near-IR line-referenced electro-optical laser comb for precision radial velocity measurement in astronomy

January 27, 2016
Author(s)
Scott A. Diddams, K Vahala, J Li, Gabriel G. Ycas, P Plavchan, S Leifer, J Sandhu, G Vasisht, P Chen, P Gao, J Gagne, M Bottom, E.C. Martin, M.P. Fitzgerald, G Doppmann, C Beichman, X Yi
… effort to produce a laser comb around 1.55 micron in the astronomical H band (1.5-1.8 micron) using a method … laser comb for precision radial velocity measurement in astronomy …

Characterization of Ring Resonator Structures for Applications in Photonic Thermometry

July 1, 2015
Author(s)
Nikolai Klimov, Michaela Berger, Zeeshan Ahmed
… In recent years silicon photonics has emerged as a powerful enabling technology that is being harnessed to devleop novel, highly sensitive sensing solutions to address problems in environmental and human health related mointoring. Here we … of Ring Resonator Structures for Applications in Photonic Thermometry …

Configurable Robotic Millimeter-Wave Antenna Facility

April 13, 2015
Author(s)
Jeffrey R. Guerrieri, Joshua A. Gordon, David R. Novotny, Michael H. Francis, Ronald C. Wittmann, Miranda L. Butler
… Metrology Lab at the National Institute of Standards and Technology (NIST). NIST set out to develop an antenna …

Reproducible x-ray reflectometry optimization: statistical analysis of differential evolution fitting of multilayer structural models

October 31, 2014
Author(s)
Donald Windover, David Gil, Yasushi Azuma, Toshiyuki Fujimoto
… Institute of Advanced Industrial Science and Technology (AIST) pre-standard. Based on bootstrap analysis … the recommendations used optimizations methods available in commonly used commercial software, they can quickly be applied both in research and analytical laboratories, as well as …
Displaying 9876 - 9900 of 13225
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