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Journals

Synchronization monitoring of I/Q data and pulse carving misalignment for a serial-type 80-Gb/s RZ-DQPSK transmitter through optical/RF clock tone measurement

August 4, 2008

Author(s)

Jeffrey A. Jargon, Xiaoxia Wu, Louis Christen, Scott Nuccio, Omer F. Yilmaz, Loukas Paraschis, Yannick K. Lize, Alan Willner

We experimentally demonstrate a monitoring technique for determining misalignment between the in-phase/ quadrature (I/Q) data streams and between the data and...

Improved Understanding of Thermal Agent Fire Suppression Mechanisms from Detailed Chemical Kinetic Modeling with Idealized Surrogate Agents

August 4, 2008

Author(s)

William M. Pitts

Fire suppression agents that derive their entire effectiveness from physical processes are known as thermal agents. Thermal agents operate by lowering the flame...

Green's Function for Multilayers with Interfacial Membrane and Flexural Rigidities

August 4, 2008

Author(s)

B. Yang, Vinod Tewary

A three-dimensional Green's function for a material system containing general anisotropic and linearly elastic planar multilayers with interfacial membrane and...

Origin of the 150-K Anomaly in LaFeAsO: Competing Antiferromagnetic Interactions, Frustration, and a Structural Phase Transition

August 1, 2008

Author(s)

Taner N. Yildirim

From all-electron fixed-spin-moment calculations we show that ferromagnetic and checkerboard antiferromagnetic ordering in LaFeAsO are not stable and the stripe...

Quantum Computing With Ions

August 1, 2008

Author(s)

David J. Wineland, C Monroe

This article briefly describes methods to generate entanglement and implement quantum information processing with the use of trapped ions. It is intended to...

STWS: A Unified Web Service for IEEE 1451 Smart Transducers

August 1, 2008

Author(s)

Yuyin Song, Kang B. Lee

This paper describes a unified web service for the Institute of Electrical and Electronics Engineers (IEEE) 1451 smart transducers stabdards - Smart Transducer...

Mean Recurrence Intervals of Failure Wind Loads

August 1, 2008

Author(s)

Dat Duthinh, Joseph A. Main, Amelia P. Wright, Emil Simiu

The Commentary to the ASCE Standard 7-05 states that the nominal mean recurrence interval (MRI) of the wind speed inducing the design strength is about 500...

Development of Aptamer-Based Affinity Assays Using Temperature Gradient Focusing: Minimization of the Limit of Detection

August 1, 2008

Author(s)

Matt S. Munson, John Meacham, David J. Ross, Laurie E. Locascio

A method is described for an aptamer-based affinity assay using a combination of two non-conventional techniques, temperature gradient focusing (TGF) and field...

Use of Standard Reference Material 2242 (Relative Intensity Correction Standard for Raman Spectroscopy) for Microarray Scanner Qualification

August 1, 2008

Author(s)

Mary B. Satterfield, Marc L. Salit, Steven J. Choquette

As a critical component of any microarray experiment, scanner performance has the potential to contribute variability and bias, the magnitude of which is...

Origin of the exceptional negative thermal expansion in metal-organic framework-5 Zn₄O(1,4-benzenedicarboxylate)^d3

August 1, 2008

Author(s)

Wei Zhou, Hui Wu, Taner Yildirim, Jeffrey R. Simpson, Angela R. Hight Walker

Metal-organic framework-5 (MOF-5) was recently suggested to possess an exceptionally large negative thermal expansion coefficient. Our direct experimental...

Flame Size, Heat Release, and Smoke Points in Materials Flammability

August 1, 2008

Author(s)

Gregory T. Linteris, I P. Rafferty

The concept of using the flame size as a surrogate for heat release rate has been explored. A technique for simultaneously obtaining the heat release rate...

Protect Thy Neighbor: Investigating the Spatial Externalities of Wildfire Hazard Mitigation

August 1, 2008

Author(s)

David T. Butry, Geoffrey Donovan

Climate change, increased wildland fuels, and residential development patterns in fire-prone areas have combined to make wildfire-risk mitigation an important...

Fabrication of Polymer Microsphere Particle Standards Containing Trace Explosives Using an Oil/Water Emulsion Solvent Extraction Piezoelectric Printing Process

August 1, 2008

Author(s)

Robert A. Fletcher, J Brazin, Matthew E. Staymates, Bruce A. Benner Jr., John G. Gillen

ON MATERIAL-BASED HYDROGEN STORAGE

August 1, 2008

Author(s)

Jiann C. Yang

In this short communication, an analytical framework is provided to estimate the effect of temperature on equilibrium storage pressure in a would-be situation...

Controlling charge-carrier type in nanoscale junctions with linker chemistry

August 1, 2008

Author(s)

Christopher D. Zangmeister, J M. Beebe, Jawad Naciri, James G. Kushmerick, Roger D. van Zee

High-stability transfer of an optical frequency over long fiber-optic links

August 1, 2008

Author(s)

Paul A. Williams, William C. Swann, Nathan R. Newbury

We present theoretical predictions and experimental measurements for the achievable phase noise, timing jitter, and frequency stability in the coherent...

Market-Based Approaches to Tree Valuation

August 1, 2008

Author(s)

Geoffrey Donovan, David Butry

Microwave Characterization of Semiconductors with a Split-Cylinder Cavity

August 1, 2008

Author(s)

Billy F. Riddle, James R. Baker-Jarvis, Michael D. Janezic

In this paper we demonstrate the use of a split-cylinder cavity for characterizing semiconductors over a temperature range of 173 K (-100oC) to 373 K (+100oC)...

Measurement Time and Statistics for a Noise Thermometer With a Synthetic-Noise Reference

August 1, 2008

Author(s)

David R. White, Samuel Benz, J Labenski, Sae Woo Nam, Jifeng Qu, H Rogalla, Weston L. Tew

This paper describes methods for reducing the statistical uncertainty in measurements made by noise thermometers using digital cross correlators, and in...

Magnetic Resonance Microscopy of Collagen Mineralization

August 1, 2008

Author(s)

Ingrid E. Chesnick, Jeffrey T. Mason, Anthony A. Giuseppetti, Naomi Eidelman, Kimberlee Potter

A model mineralizing system was subjected to magnetic resonance microscopy (MRM), to investigate how water proton transverse (T2) relaxation times and...

Sizing the Bacillus anthracis PA63 Channel with Nonelectrolyte Poly(ethylene glycols)

August 1, 2008

Author(s)

Brian J. Nablo, Kelly Halverson, Joseph W. Robertson, Tam Nguyen, Rekha Panchal, Rick Gussio, Sina Bavari, Oleg V. Krasilnikov, John J. Kasianowicz

Non-electrolyte polymers of poly(ethylene glycol), PEG, were used to estimate the diameter of the ion channel formed by Bacillus anthracis protective antigen 63...

Wireless Sensor Networks as Part of a Web-Based Building Environmental Monitoring System

August 1, 2008

Author(s)

Won Suk Jang, William M. Healy, Miroslaw J. Skibniewski

The presented research shows how advanced wireless sensor technology can be used by engineers to monitor conditions in and around buildings. The objective is...

Glycosidic Linkage Conformation of Methyl-alpha-Mannopyranoside

July 31, 2008

Author(s)

Orkid Coskuner, Denis E. Bergeron, Luis C. Rincon, Jeffrey W. Hudgens, Carlos A. Gonzalez

We study the preferred conformation of the glycosidic linkage of methyl--mannopyranoside in the gas phase and in aqueous solution. Results obtained utilizing...

Isomerization and Decomposition Reactions in the Pyrolysis of Branched Hydrocarbons: 4-Methyl-1-Pentyl Radical

July 31, 2008

Author(s)

William S. McGivern, Iftikhar A. Awan, Wing Tsang, Jeffrey A. Manion

The kinetics of the decomposition of 4-methyl-1-pentyl radicals have been studied from 927 1068 K at pressures of 1.78 2.44 bar using a single pulse shock tube...

Albedo Measurements and Optical Sizing of Single Aerosol Particles

July 31, 2008

Author(s)

Todd J. Sanford, Daniel Murphy, David S. Thomson, Richard W. Fox

Aerosols play an important role in global climate change by their interactions with incoming solar radiation and outgoing longwave radiation from the planetary...

Simulated SEM Images for Resolution Measurement

July 30, 2008

Author(s)

Petr Cizmar, Andras Vladar, Bin Ming, Michael T. Postek

Resolution is a key performance metric, which often defines the quality of a scanning electron microscope (SEM). Traditionally, there is the subjective...

Thermo-viscoelastic Analysis and Creep Testing of Ambient Cure Epoxy Adhesives Used in Construction Applications

July 30, 2008

Author(s)

Joannie W. Chin, Donald L. Hunston, Aaron M. Forster, Justin M. Ocel, Jean M. Hartmann, Paul Fuchs

Epoxies are increasingly used in construction for structural applications and properties such as creep are very important. For this reason, the thermo...

Light-Cured Dimethacrylate-Based Resins and Their Composites: Comparative Study of Mechanical Strength, Water Sorption and Ion Release

July 30, 2008

Author(s)

Justin N. O'Donnell, Sarah Langhorst, Michael D. Fow, Joseph M. Antonucci, Drago Skrtic

This study explores how resin type affects selected physicochemical properties of complex methacrylate copolymers and their amorphous calcium phosphate (ACP)...

Method for characterizing self-assembled monolayers as antirelaxation wall coatings for alkali vapor cells

July 30, 2008

Author(s)

Y Yi, Hugh Robinson, Svenja A. Knappe, J Maclennan, C Jones, Chengjie Zhu, N Clark, John E. Kitching

A method for characterizing self-assembled monolayers (SAMs) in terms of their performance as anti-relaxation wall coatings for alkali atom vapor cells is...

Spectrally Bright and Broad Fiber-Based Heralded Single-Photon Source

July 29, 2008

Author(s)

Elizabeth A. Goldschmidt, M D. Eisaman, Jingyun Fan, Sergey V. Polyakov, Alan L. Migdall

We present the first experimental characterization of a heralded single-photon source based on spontaneous four-wave-mixing in a single-mode microstructure...

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