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Conferences

Sensor Network based on IEEE 1451.0 and IEEE p1451.2-RS232

May 12, 2008

Author(s)

Yuyin Song, Kang B. Lee

The Institute of Electrical and Electronics Engineers (IEEE) 1451 family of standards defines a set of common communication interfaces for connecting smart...

Impact of Signaling Load on the UMTS Call Blocking/Dropping

May 11, 2008

Author(s)

Yi Qian, David Tipper, Saowaphak Sasanus

Radio resources in the third generation (3G) wireless cellular networks (WCNs) such as the universal mobile telecommunications system (UMTS) network is limited...

Design Secure and Application-Oriented VANET

May 11, 2008

Author(s)

Yi Qian, Nader Moayeri

Vehicular ad hoc network (VANET) is recognized as an important component of Intelligent Transportation Systems. The main benefit of VANET communication is seen...

Characterization of Mechanical Properties of Epoxy Nanocomposites Using Functionalized Clays and Layered Double Hydroxides

May 8, 2008

Author(s)

Jae Hyun Kim, Mickey Richardson, Gale A. Holmes

THE ROLE OF CAMERA NETWORKS IN CONSTRUCTION AUTOMATION

May 7, 2008

Author(s)

Itai Katz, Kamel S. Saidi, Alan M. Lytle

Due to the complexity and variability of capital construction sites, real-time monitoring remains an elusive goal. As unit price continues to fall, camera...

Introducing Sustainability Early into Manufacturing Process Planning

May 7, 2008

Author(s)

Mahesh Mani, Kevin W. Lyons, Sudarsan Rachuri, Eswaran Subrahmanian, Ram D. Sriram

In response to the global trend towards implementing sustainable manufacturing practices, we put forth an exploratory approach that uses energy monitoring as a...

The Surprising Affects of Strain on the Long Term Rheology of Filled Viscoelastic Solids (Building Joint Sealant)

May 7, 2008

Author(s)

Donald L. Hunston, Kar T. Tan, Christopher C. White

Filled viscoelastic solids, have been used for the last 40 years as building sealants to separate indoor from outdoor environments. The most important property...

Experimental Implementation of 1310 nm Differential Phase Shift QKD System with Up-conversion Detectors

May 6, 2008

Author(s)

Lijun Ma, Hai Xu, Tiejun Chang, Oliver T. Slattery, Xiao Tang

We have experimentally implemented a differential phase shift quantum-key distribution system with up-conversion detectors operating at 2.5 Gbps clock rate. A...

Detection-time-bin-shift Polarization Encoding Quantum Key Distribution System

May 6, 2008

Author(s)

Lijun Ma, Tiejun Chang, Xiao Tang

A detection-time-bin-shift scheme for polarization encoding QKD is proposed. This scheme can reduce cost and overcome the security loss caused by dead-time and...

EVALUATION OF MULTI-SAMPLE MICRO-CAPILLARY RHEOMETER

May 5, 2008

Author(s)

Doyoung Moon, Anthony J. Bur, Kalman D. Migler

We present a Multi-sample Micro-capillary Rheometer (MMR) which is capable of measurements over a broad range of temperatures, viscosities and shear rates. The...

Broadband, frequency comb spectroscopy

May 4, 2008

Author(s)

Ian R. Coddington, William C. Swann, Nathan R. Newbury

A stabilized frequency comb provides a broadband array of highly resolved comb lines. Using a multiheterodyne technique, we measure the amplitude and phase of...

Improving squeezing purity from a KNbO³ crystal by temperature tuning

May 4, 2008

Author(s)

Thomas Gerrits, Tracy S. Clement, Scott Glancy, Richard P. Mirin, Sae Woo Nam, Emanuel Knill

We show a method to increase the purity of a squeezed state generated by a femtosecond laser and down-conversion crystal. The method relies on temperature...

Practical performance limits on optical frequency transfer over fiber optic links

May 4, 2008

Author(s)

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

We present theory and experiment quantifying the limitations to stable transport of optical frequencies over optical fiber. These are fundamental fiber noise...

Reducing the oscillator strength in semiconductor quantum dots with a lateral electric field

May 4, 2008

Author(s)

Amelia Bloom, Richard Mirin, Kevin L. Silverman

We modulate the oscillator strength of self-assembled quantum dots embedded in a semiconductor ridge waveguide by applying an electric field with two coplanar...

Optical Microchip Detection of Nuclear Magnetic Resonance

May 4, 2008

Author(s)

M Ledbetter, I Savukov, D Budker, Vishal Shah, Svenja A. Knappe, John Kitching, S Xu, D Michalak, A Pines

We demonstrate optical detection of nuclear magnetic resonance on a microchip. A theoretical optimization indicates detection limits that are competitive with...

Humidity Standard of Compressed Hydrogen for Fuel Cell Technology

May 2, 2008

Author(s)

Peter H. Huang

Compressed hydrogen is one of the most important utilities in fuel cell industry. For the specification of hydrogen fuel quality and for the design of...

Assessment of ASCE 7 Standard Wind Load Factors for Tall Building Response Estimates

May 1, 2008

Author(s)

Rene D. Gabbai, William P. Fritz, Amelia P. Wright, Emil Simiu

Wind load factors incorporated in the ASCE 7 Standard are based on rough approximations of wind effects and the uncertainties inherent in them. These factors...

High Temperature, High Power Module Design for Wide Bandgap Semiconductors: Packaging Architecture and Materials Considerations

May 1, 2008

Author(s)

Allen R. Hefner Jr., Z. J. Shen, Ryan McClure, Ali Gordon, Brian Grummel

Wide bandgap power semiconductors such as SiC or GaN can safely operate at a junction temperature of 500°C. Such a high operating temperature range can...

Adjustments to the NIST Realization of the ITS-90 from 5 K to 24.5561 K

May 1, 2008

Author(s)

Weston L. Tew, Christopher W. Meyer

Recent clarifications issued by the Consultative Committee on Thermometry (CCT) for the definitions of the equilibrium hydrogen (e-H2) triple points (TPs) and...

Automated Continuous-Flow Gravimetric Hygrometer as a Primary Humidity Standard

May 1, 2008

Author(s)

Christopher W. Meyer, Joseph T. Hodges, R W. Hyland, Gregory E. Scace, J Valencia-Rodriguez, James R. Whetstone

A new primary gravimetric hygrometer has been completed at the National Institute of Standards and Technology (NIST). This apparatus determines the humidity in...

Understanding the IPC 175X Data Model

May 1, 2008

Author(s)

Eric D. Simmon, John V. Messina

More and more political bodies (countries, states, and unions) are enacting legislation designed to protect the environment from the impact of manufacturing...

Measurements for the Reliability and Electrical Characterization of Semiconductor Nanowires

April 30, 2008

Author(s)

Curt A. Richter, Hao Xiong, Xiaoxiao Zhu, Wenyong Wang, Vincent M. Stanford, Qiliang Li, D. E. Ioannou, Woong-Ki Hong, Takhee Lee

Nanoelectronic devices based upon self-assembled semiconductor nanowires are excellent research tools for investigating the behavior of structures with sub...

STRESS-INDUCED DEFECT GENERATION IN HFO2/SIO2 STACKS OBSERVED BY USING CHARGE PUMPING AND LOW FREQUENCY NOISE MEASUREMENTS

April 30, 2008

Author(s)

Hao Xiong, Dawei Heh, Shuo Yang, Moshe Gurfinkel, Gennadi Bersuker, D. E. Ioannou, Curt A. Richter, Kin P. Cheung, John S. Suehle

A novel approach combining the low frequency drain current noise and the frequency-dependent charge pumping techniques has been employed to extract the trap...

On The TREC Blog Track

April 30, 2008

Author(s)

Iadh Ounis, Craig Macdonald, Ian Soboroff

The rise of blogging as a new grassroots publishing medium and the many interesting peculiarities that characterize blogs compared to other genres of documents...

Measured Performance of Three Residential Fuel Cell Systems

April 29, 2008

Author(s)

Mark W. Davis

Under a program to develop a consumer-oriented rating methodology for residential cogeneration fuel cells, the performance of three systems was characterized in...

THE FAST INITIAL THRESHOLD VOLTAGE SHIFT: NBTI OR HIGH-FIELD STRESS

April 27, 2008

Author(s)

Jason P. Campbell, Kin P. Cheung, John S. Suehle

Recent 'NBTI' studies have come to involve very high electric fields, yet these same studies are used to criticize the lower field 'NBTI' models. This study...

A Comparison of Cs Fountain Primary Frequency Standards

April 23, 2008

Author(s)

Thomas E. Parker

There are currently 9 cesium fountain primary frequency standards reporting calibrations of TAI to the Bureau International des Poids et Measures (BIPM). An...

The SIM Network: Improved Time Coordination for North, Central, and South America

April 23, 2008

Author(s)

Jose M. Lopez, Michael A. Lombardi, Andrew Novick, Jean-Simon Boulanger, R. de Carvalho, R. Solis, Francisco Jimenez

The Sistema Interamericano de Metrologia (SIM) consists of national metrology institutes (NMIs) located in the 34 member nations of the Organization of American...

Split-Post and Split-Cylinder Resonator Techniques: A Comparison of Complex Permittivity Measurement of Dielectric Substrates

April 22, 2008

Author(s)

Michael D. Janezic, Jerzy Krupka

We overview two nondestructive techniques, the split-post and split-cylinder resonator, which are under consideration as standard test methods for measuring the...

Infrastructure System Design Methodology for Smart ID Cards Deployment

April 19, 2008

Author(s)

Ramaswamy Chandramouli

With the increasing use of smart cards for identity verification of individuals, it has become imperative for organizations to properly design and engineer the...

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