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Conferences

GenApp Module Execution and Airavata Integration

November 1, 2014

Author(s)

Emre H. Brookes, Nadeem Anjum, Joseph E. Curtis, Suresh Marru, Raminder Singh, Marlon Pierce

A new framework (GenApp) for rapid generation of scientific applications running on a variety of systems including science gateways has recently been developed...

Impact of BTI on Random Logic Circuit Critical Timing

October 31, 2014

Author(s)

Kin P. Cheung, Jiwu Lu, Guangfan Jiao, Jason P. Campbell, Jason T. Ryan

Bias temperature instability (BTI) is known to be a serious reliability issue for state-of-the-art Silicon MOSFET technology [1-6]. It is well-known that in...

Feasibility Study of Prompt Gamma Neutron Activation for NDT Measurement of Moisture in Stone and Brick

October 29, 2014

Author(s)

Rick Paul

The deterioration of stone and brick architecture or sculpture often involves damage caused by moisture. The feasibility of a non-destructive testing (NDT)...

A Cross-Benchmarking and Validation Initiative for Tokamak 3D Equilibrium Calculations

October 27, 2014

Author(s)

Geoffrey B. McFadden, Allan Reiman, Antoine Cerfon, E. Lazarus, S. Lazerson

We are pursuing a cross-benchmarking and validation initiative for tokamak 3D equilibrium calculations, with 11 codes participating: the linearized tokamak...

Spatial Computations over Terabyte-Sized Images on Hadoop Platforms

October 27, 2014

Author(s)

Peter Bajcsy, Antoine Vandecreme, Mary C. Brady, Phuong Nguyen

Our objective is to lower the barrier of executing spatial image computations in a computer cluster/cloud environment instead of in a desktop/laptop computing...

An Intelligent Machine Monitoring System for Energy Prediction Using a Gaussian Process Regression

October 27, 2014

Author(s)

Sudarsan Rachuri, Moneer M. Helu

Recent advances in machine automation and sensing technology offer new opportunities for continuous condition monitoring of an operating machine. This paper...

High-Fidelity, Weak-Light Polarization Gate Using Room-Temperature Atomic Vapor

October 23, 2014

Author(s)

Lu Deng, Runbing Li, Chengjie Zhu, Edward W. Hagley

Using a polarization-selective-Kerr-phase-shift technique we demonstrate an all-optical polarization gate in an atomic gain medium with the control-field...

On Systemic Risk in the Cloud Computing Model

October 23, 2014

Author(s)

Vladimir V. Marbukh

The major benefits of the emerging cloud computing infrastructure include elimination of the fixed cost and reduction in the marginal cost for the users due to...

3D Monte Carlo modeling of the SEM: Are there applications to photomask metrology?

October 23, 2014

Author(s)

John S. Villarrubia, Andras Vladar, Michael T. Postek

The ability to model the effect of fields due to charges trapped in insulators with floating conductors has been added to JMONSEL (Java Monte Carlo simulator...

Digital Repository of Mathematical Formulae

October 17, 2014

Author(s)

Howard S. Cohl, Marjorie A. McClain, Bonita V. Saunders, Moritz Schubotz, Janelle Williams

The purpose of the NIST Digital Repository of Mathematical Formulae (DRMF) is to create a digital compendium of mathematical formulae for orthogonal polynomials...

Determinacion de Propiedades Termo-Fisicas durante la Hidratacion de Materiales Base Cemento Utilizando CEMHYD3D

October 17, 2014

Author(s)

Emilio Hernandez-Bautista, Dale P. Bentz, Sadoth Sandoval-Torres, Prisciiano Cano Barrita

Steam curing under atmospheric pressure is used routinely in the precast concrete industry because of the increase in compressive strength up to 70 % obtained...

Challenges of Irradiance-mode Spectral Response Measurements

October 16, 2014

Author(s)

Behrang H. Hamadani, John F. Roller, Brian P. Dougherty, Howard W. Yoon

Irradiance-mode spectral response measurements of solar cells are important because they provide a direct, reliable and accurate route for determination of the...

Noise and Dynamics of Stimulated Brillouin Scattering Microresonator Laser Oscillators

October 16, 2014

Author(s)

William Loh, Scott B. Papp, Scott A. Diddams

We use a combination of theoretical analysis and numerical simulation to investigate the fundamental operation of a laser oscillating from gain supplied by the...

TEST AND CALIBRATION OF DISPLACEMENT MEASURING LASER INTERFEROMETERS

October 15, 2014

Author(s)

Jack A. Stone Jr.

At the National Institute of Standards and Technology (NIST), we have a capability to calibrate and test laser interferometer systems used to measure...

Hardening of Structures to Wildland-Urban Interface (WUI) Fire Expsoures

October 14, 2014

Author(s)

Samuel Manzello

Wildfires that spread into communities, referred to as Wildland-Urban Interface (WUI) fires, have destroyed communities throughout the world. In the USA, over...

Antenna Alignment and Positional Validation of a mmWave Antenna System Using 6D Coordinate Metrology

October 13, 2014

Author(s)

David R. Novotny, Jeffrey R. Guerrieri, Joshua A. Gordon

We present the alignment techniques, positional accuracy and uncertainty results for a mmWave antenna scanning system at 183 GHz. We are using six degree-of...

DEVELOPMENT OF A MINIATURE, MULTICHANNEL, EXTENDED-RANGE FABRY-PEROT FIBER-OPTIC LASER INTERFEROMETER SYSTEM FOR LOW FREQUENCY SI-TRACEABLE DISPLACEMENT MEASUREMENT

October 12, 2014

Author(s)

Bartosz K. Nowakowski, Douglas T. Smith, Stuart T. Smith

Laser interferometry has become a staple of SI-traceable displacement measurement techniques. With decreasing cost per channel, miniaturization, and a multitude...

A Non-contact Machine Vision System for the Precision Alignment of mm-Wave Antennas in all Six Degrees of Freedom

October 12, 2014

Author(s)

Joshua A. Gordon, David R. Novotny

Although highly accurate relative position data can be achieved using laser tracking systems which are suitable for millimeter wave antenna characterization, a...

Photonic-assisted Endoscopic Analysis of W-band Waveguide

October 12, 2014

Author(s)

Jeffrey A. Jargon, DongJoon Lee, JaeYong Kwon, YoungPyo Hong

We demonstrate an endoscopic probing system to measure field distribution through a W-band waveguide. The electric fields propagating inside a WR-10 waveguide...

A Non-contact Machine Vision System for the Precision Alignment of mmWaveAntennas in all Six Degrees of Freedom

October 11, 2014

Author(s)

Josh Gordon, David R. Novotny

Although highly accurate relative position data can be achieved using laser tracking systems which are suitable for millimeter wave antenna characterization, a...

A Design-of-Experiments Approach to FEM Uncertainty Analysis for Optimizing Magnetic Resonance Imaging RF Coil Design

October 10, 2014

Author(s)

Jeffrey T. Fong, Nathanael A. Heckert, James J. Filliben, Li Ma, Karl F. Stupic, Kathryn E. Keenan, Stephen E. Russek

Using the RF module of COMSOL, we compute the magnetic flux density norm (BN) profiles for frequencies in the 76 to 100 MHz range, inside of a prototype...

Improvements in SIM Time Network and SIM Time Scale Performance

October 10, 2014

Author(s)

Michael A. Lombardi, J. Mauricio Lopez-Romero, Nelida Diaz-Munoz, E. de Carlos-Lopez, Marina Gertsvolf, Ricardo de Carvalho

We report recent results achieved within the Sistema Interamericano de Metrología (SIM) regarding the multinational cooperation program in the field of time and...

Modeling Heat and Moisture Transport During Hydration of Cement-Based Materials in Semi-Adiabatic Conditions

October 10, 2014

Author(s)

Emilio Hernandez-Bautista, Dale P. Bentz, Sadoth Sandoval-Torres, Prisciiano Cano Barrita

The process of accelerated curing of pre-cast concrete consists in increasing the temperature within a saturated water vapor atmosphere during several hours. In...

A Cybersecurity Testbed for Industrial Control Systems

October 9, 2014

Author(s)

Richard Candell, Keith A. Stouffer, Dhananjay Anand

The National Institute of Standards and Technology (NIST) is developing a cybersecurity testbed for industrial control systems (ICS). The goal of this testbed...

Lightweight Packing of Log Files for Improved Compression in Mobile Tactical Networks

October 8, 2014

Author(s)

Peter M. Mell, Richard Harang

Devices in mobile tactical edge networks are often resource constrained due to their lightweight and mobile nature, and often have limited access to bandwidth...

On Cascading Failures and Countermeasure based on Energy Storage in the Smart Grid

October 8, 2014

Author(s)

Xing Chen, Wei Yu, David W. Griffith, Nada T. Golmie, Guobin Xu, Chao Lu

Recently, there are growing concerns about smart grid security and resilience. The performance of smart grid may suffer from component failures or targeted...

Chemical Depth Profiling of Photovoltaic Backsheets after Accelerated Laboratory Weathering

October 8, 2014

Author(s)

Chiao-Chi Lin, Peter J. Krommenhoek, Stephanie S. Watson, Xiaohong Gu

Polymeric multilayer backsheets provide protection for the backside of photovoltaic (PV) module from the damage of moisture and ultraviolet (UV). Due to the...

Evaluating CT for Metrology: The Influence of Material Thickness on Measurements

October 7, 2014

Author(s)

Joseph Schlecht, Eric Ferley, Shaun COUGHLIN , Steven D. Phillips, Vincent Lee, Craig M. Shakarji

X-ray imaging provides a non-destructive means to measure internal features of a workpiece, and CT offers unique capabilities for internal measurements in 3-D...

Calibration of Accelerometers at Extended Frequencies Utilizing Piezoelectric Shakers

October 6, 2014

Author(s)

Beverly F. Payne

Piezoelectric shakers are well suited to generate motion suitable for use with laser interferometric methods at frequencies of 3 kHz and above. One advantage of...

Progress toward Radiation-Pressure-Based Measurement of High-Power Laser Emission - Under Policy Review

October 6, 2014

Author(s)

Paul A. Williams, Joshua A. Hadler, Daniel King, Robert Lee, Frank C. Maring, Gordon A. Shaw, Nathan A. Tomlin, John H. Lehman, Marla L. Dowell

We present an overview of our efforts toward using optical radiation pressure as a means to measure optical power from high-power lasers. Early results with...

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