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.

Conferences

Acoustic and Electromagnetic Reverberation Chambers: Similarities and Differences

May 16, 2016

Author(s)

Perry F. Wilson

Acoustic reverberation chambers predate electromagnetic (EM) reverberation chambers. EM reverberation chamber researchers occasionally make reference to...

EXPERIMENTAL STUDY ON THE VULNERABILITIES OF DECKING ASSEMBLIES ATTACKED BY FIREBRAND SHOWERS

May 16, 2016

Author(s)

Samuel L. Manzello, Sayaka Suzuki, Ichiro Hagiwara

In WUI fires, decking assemblies have been observed to be an ignition vulnerability based on post-fire damage surveys conducted by NIST and elsewhere. Recently...

INVESTIGATING TILE ROOFING ASSEMBLY PERFORMANCE EXPOSED TO CONTINUOUS FIREBRAND EXPOSURE

May 16, 2016

Author(s)

Samuel L. Manzello, Sayaka Suzuki

Wildland-Urban Interface (WUI) fires have become a problem of great concern worldwide. Japan does not have a specific problem of fires spreading from the...

Characterization of Monoclonal Antibody Drug Products Using High Resolution NMR

May 15, 2016

Author(s)

Luke Arbogast, Robert Brinson, John Marino

Time-domain analysis of resonant acoustic nonlinearity arising from cracks in multilayer ceramic capacitors

May 13, 2016

Author(s)

Ward L. Johnson, Sudook A. Kim, Grady S. White, Jaemi Herzberger, Kirsten L. Peterson, Paul R. Heyliger

Acoustic nonlinearity of cracked and uncracked multilayer ceramic capacitors (MLCCs) was characterized through time-domain analysis of resonant waveforms...

Electrical Units in the New SI: Saying Goodbye to the 1990 Values

May 12, 2016

Author(s)

Nick Fletcher, Gert Rietveld, James K. Olthoff, Ilya F. Budovsky

The proposed redefinition of several SI base units is a topic that has been on the metrology agenda for the last decade. The general principles and the...

Combinatorial Coverage Analysis of Subsets of the TLS Cipher Suite Registry

May 11, 2016

Author(s)

Dimitris Simos, Kristoffer Kleine, D. Richard Kuhn, Raghu N. Kacker

We present a combinatorial coverage measurement for (subsets) of the TLS cipher suite registries by analyzing the specified ciphers of IANA, ENISA, BSI, Mozilla...

Assessing the use of an infrared spectrum hyperpixel array imager to measure temperature during additive and subtractive manufacturing

May 11, 2016

Author(s)

Eric P. Whitenton, Brandon M. Lane, Jarred C. Heigel, Shawn P. Moylan

Accurate non-contact temperature measurement is important to optimize manufacturing processes. This applies to both additive (3D printing) and subtractive...

Development of in situ Electrochemical Small-Angle Neutron Scattering (eSANS) for Simultaneous Structure and Redox Characterization of Nanoparticles

May 10, 2016

Author(s)

Vivek M. Prabhu, Vytautas Reipa, Adam Rondinone, Peter V. Bonnesen, Eric Formo

An in situ electrochemical small-angle neutron scattering (eSANS) method was developed to measure simultaneously the redox properties and size, shape and...

Probing Charge Transfer and Hot Carrier Dynamics in Organic Solar Cells with Terahertz Spectroscopy

May 10, 2016

Author(s)

Paul D. Cunningham, Paul A. Lane, Joseph S. Melinger, Okan Esenturk, Edwin J. Heilweil

Time-resolved terahertz spectroscopy (TRTS) was used to explore charge generation, transfer, and the role of hot carriers in organic solar cell photovoltaic...

Comparison of T1 measurement using ISMRM/NIST system phantom

May 9, 2016

Author(s)

Kathryn E. Keenan, Karl F. Stupic, Michael A. Boss, Stephen E. Russek, Thomas L. Chenevert, Pottumarthi V. Prasad, Wilburn E. Reddick, Jie Zheng, Peng Hu, Edward F. Jackson

We used the ISMRM/NIST system phantom to assess variations of T1 measurements across MRI systems at 1.5 T and 3 T, to determine the repeatability and...

Measurement of AM-to-PM Conversion in a Quartz-MEMS Resonator

May 9, 2016

Author(s)

Craig W. Nelson, Archita Hati, David A. Howe

This work investigates the new aspects of the non-linear response in a quartz-MEMS resonator at 635 MHz. We characterize its major cause of AM-to-PM conversion...

Long-Term GPS Carrier-Phase Time Transfer Noise: A Study based on Seven GPS Receivers at NIST

May 9, 2016

Author(s)

Jian Yao, Judah Levine

This paper reports a preliminary study of the long-term GPS carrier-phase time transfer noise, based on seven NIST GPS receivers. It shows that the carrier...

DELAY MEASUREMENT OF 1PPS SIGNALS IN TIMING SYSTEMS

May 9, 2016

Author(s)

Stefania Romisch, Daniele Rovera, Marco Siccardi

Abstract The uncertainty of time measurements in timing systems is not only a function of the quality of the instruments and system components (time interval...

Practical Evaluation of a 50 km Fiber Link Utilizing a Commercial Modem

May 9, 2016

Author(s)

Corey A. Barnes, Archita Hati, Craig W. Nelson, David A. Howe

We evaluate the stability of two-way time and frequency transfer over a 50 km fiber optic link established using a commercially available fiber optic modem. For...

Power Splitter Thermal Noise Correlations in Cross-spectrum Noise Measurements

May 9, 2016

Author(s)

Archita Hati, Craig W. Nelson, David A. Howe

We discuss collapse of the cross-spectrum phase noise measurement of thermally-limited oscillator due to anti-correlated thermal noise of the Wilkinson power...

Automating Robot Planning using Product and Manufacturing Information

May 9, 2016

Author(s)

Frederick M. Proctor, Gijs van der Hoorn, Robert R. Lipman

Advances in sensing, modeling, and control have made it possible to increase the accuracy of robots, and enable them to perform in dynamic environments. Often...

Frequency shift mitigation in a cold-atom CPT clock

May 8, 2016

Author(s)

Xiaochi Liu, John Kitching, Elizabeth Donley, Eugene N. Ivanov

An upgrade in the laser interrogation system for our cold-atom clock based on coherent population trapping has resulted in a reduced light shift. The new...

A Simulation Framework for Industrial Wireless Networks and Process Control Systems

May 6, 2016

Author(s)

Yongkang Liu, Richard Candell, Nader Moayeri, Kang B. Lee

Factory and process automation systems are increasingly employing information and communications technologies to facilitate data sharing and analysis in...

Core Design Studies on a Low-Enriched Uranium Reactor for Cold Neutron Sources at NIST

May 1, 2016

Author(s)

Zeyun NMN Wu, Robert E. Williams

A LEU-fueled research reactor for cold neutron sources is currently being studied at NIST. The new design is targeting at least two high quality cold neutron...

Feasibility Investigation of Application of MPACT to Core Design Studies of NBSR-2, a Heavy Water-Reflected, Heterogeneous LEU Fuel Research Reactor

May 1, 2016

Author(s)

Bryan Daniel Eyers, Zeyun NMN Wu, Brendan Kochunas

Engineers at NIST would like to use the VERA software suite developed by CASL to study a new 20 MW research reactor design called NBSR-2, which uses...

A ROUND ROBIN EXPERIMENT TO SUPPORT BOND VOID MEASUREMENT STANDARDS

May 1, 2016

Author(s)

Richard A. Allen, David T. Read, Victor H. Vartanian, Winthrop A. Baylies, William Kerr, Mark Plemmons, Kevin T. Turner

A round robin experiment to compare the sensitivities of various metrology tools to small voids between bonded wafers such as are used in three-dimensional...

Status of the Liquid Deuterium Cold Neutron Source for the NIST Research Reactor

April 28, 2016

Author(s)

Robert E. Williams, Michael Middleton, Paul Kopetka, J. Michael Rowe, Paul C. Brand

The NBSR is a 20 MW research reactor operated by the NIST Center for Neutron Researcher (NCNR) as a neutron source providing beams of thermal and cold neutrons...

Performance Evaluation of Secure Industrial Control System Design: A Railway Control System Case Study

April 28, 2016

Author(s)

Xenofon Koutsoukos, Himanshu Neema, Sajal Bhatia, Janos Sztipanovits, Keith A. Stouffer, CheeYee Tang

Industrial Control Systems (ICS) are composed of sensors, actuators, control processing units, and communication devices all interconnected to provide...

Hardware Security Thorough Supply Chain Assurance

April 28, 2016

Author(s)

Yaw S. Obeng, David A. Brown, Colm Nolan

This paper examines the current issues pertaining to the hardware security and how they could affect the overall security of applications such as the internet...

Burning Velocities of Marginally Flammable Refrigerant-Air Mixtures

April 21, 2016

Author(s)

John Pagliaro, Gregory T. Linteris

Refrigerant working fluids have been predicted to be large contributors to the increase in radiative forcing of the earth. Consequently, existing compounds will...

Mobile Robot and Mobile Manipulator Research Towards ASTM F45 Standards Developments

April 20, 2016

Author(s)

Roger V. Bostelman, Tsai H. Hong

Performance standards for industrial mobile robots and mobile manipulators (robot arms onboard mobile robots) have only recently begun development. Low cost and...

Measuring and Characterizing Tris (2-chloro-1-methylethyl) Phosphate Emission from Open Cell Spray Polyurethane Foam

April 19, 2016

Author(s)

Mengyan Gong, Dustin Poppendieck

Understanding emission of Tris(2-chloro-1-methylethyl) Phosphate (TCPP) from Spray Polyurethane Foam (SPF) will contribute to the assessment of exposure to TCPP...

Measuring Flame Retardant Emissions from Spray Polyurethane Foam in a Home

April 19, 2016

Author(s)

Dustin Poppendieck, Angelica Connor

The use of spray polyurethane foam (SPF) insulation in the United States is increasing. The primary flame retardant used in SPF, Tris (1-chloro-2-propyl)...

Formaldehyde Concentrations in a Net-Zero Energy House: Real-time Monitoring and Simulation

April 19, 2016

Author(s)

Dustin Poppendieck, Shahana S. Khurshid, William Stuart Dols, Lisa Ng, Brian Polidoro, Steven Emmerich

Measured real-time formaldehyde concentrations in a net-zero energy house were compared to simulated concentrations from a recently-developed, coupled building...

Was this page helpful?