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Conferences

Excimer Laser Treatment of Carbon Nanotubes

May 1, 2006

Author(s)

Katie Hurst, Darryl A. Keenan, Anne Dillon, Thomas Gennett, Paul Rice, John H. Lehman

Raman spectroscopy and spectral responsivity measurements are performed to investigate the alteration of sample purity and morphology, caused by varying pulse...

The Spectrum of Th-Ar Hollow-Cathode Lamps in the 900 nm to 4500 nm Region: Establishing Wavelength Standards for the Calibration of VLT Spectrographs

May 1, 2006

Author(s)

F Kerber, Gillian Nave, Craig J. Sansonetti, P Bristow, A Rosa, H-U Kaufl, Michael R. Rosa

The European Southern Observatory (ESO), the Space Telescope European Co-ordinating Facility (ST-ECF), and the National Institute of Standards and Technology...

Performance of the GHRS Pt-Ne Hollow-Cathode Lamps After Their Return From Space and Comparison With Archival Data

May 1, 2006

Author(s)

F Kerber, D Lindler, P Bristow, Gillian Nave, Joseph Reader, Craig J. Sansonetti, D Lembke, S Heap, Michael R. Rosa, H J. Wood

The Space Telescope European Co-ordinating Facility (ST-ECF) and the National Institute of Standards and Technology (NIST) are collaborating to study hollow...

Influence of Avalanch-Photodiode Dead Time on the Security of High-speed Quantum-Key Distribution Systems

May 1, 2006

Author(s)

Hai Xu, Lijun Ma, Joshua Bienfang, Xiao Tang

We study the correlation in the sifted key induced by the dead time of Geirger-mode avalanche-photodiodes (APDs) in quantum key distribution systems. A...

Automatically Testing Interacting Software Components

May 1, 2006

Author(s)

Leonard J. Gallagher, Jeff Offutt

One goal of integration testing for object-oriented software is to ensure high object interoperability. Sent messages should have the intended effects on the...

Probing the Interfacial Adhesion Strength in Compositional Libraries of Epoxy Films

May 1, 2006

Author(s)

Christopher Stafford, J Y. Kim, D Kawaguchi, Gareth Royston, Martin Chiang

We are developing a measurement platform, based on the edge lift-off test geometry, geared towards combinatorial and high-throughput (C&HT) assessment of...

Towards an Information Processing Representation for Dynamic Process Optimization in Smart Machining Systems

May 1, 2006

Author(s)

Laurent Deshayes, Lawrence A. Welsch, Aurelie Vacher, Alkan Donmez

Smart Machining Systems (SMS) are an important part of today''s manufacturing companies. SMS include the use of diverse technologies that once integrated...

Measurements of Coaxial Dielectric Samples Employing Bothe Transmission/Reflection and Resonant Techniques to Enhance Air-Gap Corrections

May 1, 2006

Author(s)

James R. Baker-Jarvis, Michael D. Janezic, Jerzy Krupka

High-permittivity dielectric samples have been measured employing a transmission/reflection method in 7-mm coaxial transmission lines with an air-gap correction...

Pseudo-Exhaustive Testing for Software

April 28, 2006

Author(s)

David R. Kuhn, Vadim Okun

Pseudo-exhaustive testing uses the empirical observation that, for broad classes of software, a fault is likely triggered by only a few variables interacting...

Temperature Dependent Complex Permittivity Measurements of Los-Loss Dielectric Substrates Using a Split-Cylinder Resonator

April 27, 2006

Author(s)

Michael D. Janezic, Timothy Mobley, Daniel Amey

The relative permittivity and loss tangent of cross-linked polystyrene, fused silica glass, and low-temperature co-fired (LTCC) ceramic substrated have been...

Damping of Stay-Cable Vibrations: Modeling Overview and Design Implications

April 25, 2006

Author(s)

Joseph A. Main, Nicholas P. Jones

Dampers have become widely accepted as an effective means of stay-cable vibration suppression and have been implemented on numerous bridges around the world...

k=2 and Other Sometimes Hidden Assumptions in Chemical Measurement Uncertainty Intervals

April 24, 2006

Author(s)

David L. Duewer, S L. Ellison, William F. Guthrie, D B. Hibbert, C Jackson, A Kallner, Stefan D. Leigh, Reenie M. Parris, Kenneth W. Pratt, Michele M. Schantz, Katherine E. Sharpless

A recent interlaboratory study that required individual analysts to estimate uncertainty intervals for their results revealed that some experienced chemical...

Development and Calibration of Pyroelectric Radiometer Standards at NIST

April 21, 2006

Author(s)

George P. Eppeldauer, Jinan Zeng, Leonard M. Hanssen

The reference spectral power responsivity scale of NIST is being extended from the silicon range to the infrared (IR) using pyroelectric radiometers. Two...

MOAST and USARSim A Combined Framework for the Development and Testing of Autonomous Systems

April 21, 2006

Author(s)

Christopher J. Scrapper Jr, Stephen B. Balakirsky, Elena R. Messina

Urban Search and Rescue Simulation (USARSim) is an open source package that provides a high-resolution, physics based simulation of robotic platforms. The...

Calibration and Characterization of a Low-Background Chamber in Support of Hardware-in-the-Loop Testing and Modeling of Infrared Seekers

April 21, 2006

Author(s)

Richard D. Tschiegg, Steven J. Conard, Patrick L. Thompson, Adriaan C. Carter

The authors have worked in the past year on integration, characterization and calibration of the Johns Hopkins University Applied Physics Laboratory s (JHU/APL)...

Cost-Effective Commissioning for Existing and Low Energy Buildings - A New IEA ECBCS Research Project

April 19, 2006

Author(s)

Natascha S. Milesi-Ferretti, Daniel Choiniere

The benefits of commissioning are increasingly being recognized internationally. In 2004 and 2005, over 40 experts from 12 countries participated in two...

Chip scale atomic magnetometers

April 19, 2006

Author(s)

John M. Moreland, John Kitching, Peter D. Schwindt, Svenja A. Knappe, Li-Anne Liew, V Shah, V Gerginov, Ying-Ju Wang, Leo W. Hollberg

We are developing a new class of sensors based on atoms confined in micro-fabricated enclosures. Recent work at the National Institute of Standards and...

Water Heat Pipe Blackbody as a Reference Spectral Radiance Source Between 50 C and 250 C

April 17, 2006

Author(s)

Mart Noorma, Sergey Mekhontsev, V B. Khromchenko, Maritoni A. Litorja, Claus Cagran, Jinan Zeng, Leonard M. Hanssen

Realization of a radiometric temperature scale for near ambient temperatures with high accuracy is crucial for a number of demanding military and commercial...

Size-related plasticity effects in AFM silicon cantilever tips

April 17, 2006

Author(s)

Malgorzata Kopycinska-Mueller, Roy H. Geiss, Donna C. Hurley

We are developing dynamic atomic force microscopy (AFM) techniques to determine nanoscale elastic properties. Atomic force acoustic microscopy (AFAM) makes use...

Source-Assisted Direction Estimation Inside Buildings

April 11, 2006

Author(s)

Kamran Sayrafian, D Kaspar

Source direction estimation inside building is a difficult and challenging task due to severe multipath signal propagation. Numerous algorithms and techniques...

Weights and Measures in the United States

April 11, 2006

Author(s)

Carol T. Hockert

What does the weights and measures system in the United States look like, and what impact does it have on commerce? Every state in the United States has its own...

Targeted Search: Reducing the Time and Cost for Searching for Objects in Multi-Server Networks

April 9, 2006

Author(s)

Allen L. Roginsky

In many applications - including P2P file sharing, content distribution networks, and grid computing - a single object will be searched for in multiple servers...

Understanding Microstructural Effects on Long Term Electrical Fatigue in Multilayer PZT Actuators

April 6, 2006

Author(s)

Jens Mueller

In this study, multilayered PbTi(x)Zr(1-x)O3 (PZT) samples were produced by tape-casting and subsequent sintering at temperatures in the range of 1175 degrees C...

Pub. 16 - Committee Reports for the 91st National Conference on Weights and Measures Agenda

April 3, 2006

Author(s)

Linda D. Crown, Steven E. Cook, K M. Dresser, L T. Sebring, R C. Suiter, Juana S. Williams

This is the annual meeting agenda for the standing committees of the National Conference on Weights and Measures. The meeting is scheduled to take place July 9...

First Responder Thermal Imaging Cameras: Development of Performance Metrics and Test Methods

April 3, 2006

Author(s)

Francine K. Amon, Anthony P. Hamins

Thermal imaging cameras are rapidly becoming integral equipment for first responders for use in structure fires and other emergencies. Currently there are no...

Forensic Software Tools for Cell Phone Subscriber Identity Modules

April 3, 2006

Author(s)

Wayne Jansen, Richard Ayers

Cell phones and other handheld devices incorporating cell phone capabilities (e.g., smart phones) are ubiquitous. Besides placing calls, cell phones allow users...

Elastodynamic characterization of imprinted nanolines

April 3, 2006

Author(s)

Ward L. Johnson, Colm Flannery, Sudook A. Kim, Roy H. Geiss, Christopher Soles, Paul R. Heyliger

Experimental techniques employing Brillouin light scattering (BLS) and analytical techniques employing finite-element (FE) and Farnell-Adler models are being...

Standardized Equation for Hydrogen Gas Densities for Fuel Consumption Applications

April 3, 2006

Author(s)

Eric Lemmon, Marcia L. Huber, Daniel G. Friend, Carl Paulina

One of three currently recognized methods for evaluating the consumption of gaseous hydrogen fuel in vehicle applications involves the determination of the...

A Wireless Environmental Monitoring System Based on the IEEE 1451.1 Standard

April 1, 2006

Author(s)

Kang B. Lee, Yuyin Song

This paper describes a wireless environmental monitoring system developed at the National Institute of Standards and Technology (NIST) based on the Institute of...

Radiation Properties of IR Calibrators With V-Grooved Surfaces

April 1, 2006

Author(s)

Leonard M. Hanssen, A Prokhorov, Sergey Mekhontsev

Use of linear or concentric grooves is a well-known approach for increasing the surface emissivity to enable the construction of compact blackbody radiators...

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