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Conferences

TOWARDS A TEST METHOD FOR HYDROGEN SENSOR PERFORMANCE

April 2, 2008

Author(s)

Nathan D. Marsh, Thomas G. Cleary

As part of an effort to develop standard test methods for the performance of commercial hydrogen sensors, we employed the Fire Emulator / Detector Evaluator, an...

Measurement of Effective Temperature Range of Fire Service Thermal Imaging Cameras

April 1, 2008

Author(s)

Francine K. Amon, Nelson P. Bryner

The use of thermal imaging cameras (TIC) by the fire service is increasing as firefighters become more aware of the value of these tools. The National Fire...

HYDROGEN PIPELINE RESEARCH AT NIST

March 31, 2008

Author(s)

Thomas A. Siewert, Joseph D. McColskey, Angelique N. Lasseigne

In 2007, the National Institute of Standards and Technology greatly expanded its efforts in support of the use of hydrogen as a fuel. Various NIST divisions...

Quantize-and-Forward Relaying with M-ary Phase Shift Keying

March 31, 2008

Author(s)

Michael R. Souryal, Huiqing You

Using cooperative transmission, two or more single-antenna users can share their antennas to achieve spatial diversity in a slow fading channel. One relaying...

The CLEAR 2007 Evaluation

March 31, 2008

Author(s)

Rainer Stiefelhagen, Keni Bernardin, R Bowers, Richard T. Rose, Martial Michel, John S. Garofolo

This paper is a summary of the 2007 CLEAR Evaluation on the Classification of Events, Activities, and Relationships which took place in early 2007 and...

Borrowing from Video Games: Impacts on Visual Analytic Tools for Collaboration Among Digital Native Intelligence Analysts

March 28, 2008

Author(s)

Theresa O'Connell, Yee-Yin Choong, John D. Grantham, M Moriarty, W Wong

An investigation of collaboration during a game that drew elements from two types of video games, massively multiplayer online role-playing games and serious...

Comparison of Measurement Techniques for Advanced Photomask Metrology

March 24, 2008

Author(s)

Stewart Smith, Martin McCallum, Andrew Hourd, J. T. Stevenson, Anthony J. Walton, Ronald G. Dixson, Richard A. Allen, James E. Potzick, Michael W. Cresswell, Ndubuisi George Orji

Towards Accurate Feature Shape Metrology

March 22, 2008

Author(s)

Ndubuisi G. Orji, Ronald G. Dixson, B Bunday, J Allgair

Over the last few years, the need for shape metrology for process control has increased. A key component of shape metrology is sidewall angle (SWA). However...

Performance Analysis for Stable Mobile Robot Navigation Solutions

March 20, 2008

Author(s)

Christopher J. Scrapper Jr, Rajmohan Madhavan, Stephen B. Balakirsky

Robot navigation in complex, dynamic and unstructured environments demands robust mapping and localization solutions. One of the most popular methods in recent...

Fused quad audio/visual and tracking data collection to enhance mobile robot and operator performance analyses

March 20, 2008

Author(s)

Brian A. Weiss, Brian Antonishek, Richard J. Norcross

Personnel at the National Institute of Standards and Technology (NIST), tasked with developing performance measures and standards for urban search and rescue...

Performance Evaluation of Cost-Based vs. Fuzzy-Logic-Based Prediction Approaches in PRIDE

March 20, 2008

Author(s)

Zeid Kootbally, Craig I. Schlenoff, Rajmohan Madhavan, Sebti Foufou

PRIDE (PRediction In Dynamic Environments) is a hierarchical multi-resolutional framework for moving object prediction. PRIDE incorporates multiple prediction...

A Computational Model of the Human Visual Cortex

March 20, 2008

Author(s)

James S. Albus

The brain is first and foremost a control system that is capable of building an internal representation of the external world, and using this representation to...

A quantitative study of the practical sensitivity limit of a terahertz absorption spectrometer.

March 18, 2008

Author(s)

Jon E. Bjarnason, Charles Dietlein, Erich N. Grossman

In gas spectroscopy, chemicals can be identified by the set of frequencies at which their absorption lines occur. The concentration can be quantitatively...

Absorption, transmission, and scattering of expanded polystyrene at millimeter-wave and terahertz frequencies

March 17, 2008

Author(s)

Charles Dietlein, Jon E. Bjarnason, Erich N. Grossman, Zoya Popovic

Conventional material measurements of transmission and reflection in the millimeter-wave and terahertz frequency range do not differentiate between scattering...

Imaging with modular linear arrays of cryogenic Nb microbolometers

March 17, 2008

Author(s)

Erich N. Grossman, Charles Dietlein, Jon E. Bjarnason, Mabel Ramirez, M. Leivo, J. A. Penttila, P. Helisto, A. Luukanen

We present ultrawideband imagery obtained with modular, 8-element, superconducting Nb microbolometer arrays. Conically scanned images are presented and compared...

A Characterization of Probe Dynamic Behaviors in Critical Dimension Atomic Force Microscopy

March 17, 2008

Author(s)

Shaw C. Feng, Che B. Joung, Theodore V. Vorburger

Critical Dimension (CD) Atomic Force Microscopy (AFM) is a primary means to measure the geometric shapes of walls and trenches on the nanometer scale in...

ADHESION TEST METHOD FOR SPRAYED APPLIED FIRE RESISTANT MATERIALS

March 12, 2008

Author(s)

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

Fire resistive materials are exceptional at providing an effective thermal barrier to structural steel from the heat flux from a fire, provided it is in close...

Performance Analysis of 10 kV, 100 A SiC Half-Bridge Power Modules

March 3, 2008

Author(s)

Allen R. Hefner Jr.

Abstract: The DARPA Wide Bandgap Semiconductor Technology (WBGS) High Power Electronics (HPE) Phase II program is developing high-voltage, high-frequency SiC...

An Investigation of Extinguishment by Thermal Agents Using Detailed Chemical Modeling of Opposed Jet Diffusion Flames

March 3, 2008

Author(s)

William M. Pitts, Jiann C. Yang, Rodney A. Bryant, Linda G. Blevins

Detailed chemical kinetic modeling of methane planar opposed-jet laminar diffusion flames burning in air mixed with a variety of thermal agents is used to...

Development of Infrared Scene Projectors for Fire Fighter Cameras

March 2, 2008

Author(s)

Joseph P. Rice, Jorge E. Neira, Francine K. Amon

We have developed two types of infrared scene projectors for hardware-in-the-loop testing of thermal imaging cameras such as those used by fire-fighters. In one...

DEVELOPMENT OF ELECTROMAGNETIC TECHNIQUES FOR HYDROGEN CONTENT ASSESSMENT IN COATED LINEPIPE STEEL

February 28, 2008

Author(s)

Angelique N. Lasseigne, Jennifer Anton, Thomas Jackson, David Olson, Brajendra Mishra

With the introduction of new higher strength steels operating at higher pressure, the need for characterization of hydrogen content in high strength steel...

Broadband Permittivity Measurements of Thin-Film Ferroelectrics to 40 GHz

February 25, 2008

Author(s)

Nathan D. Orloff, James C. Booth, Makoto Murakami, Ichiro Takeuchi

We demonstrate a novel experimental technique to measure the complex permittivity function of dielectric thin films over the frequency range from 100 Hz to 40...

Modeling the Effect of Finite Size Gratings on Scatterometry Measurements

February 25, 2008

Author(s)

Elizabeth Kenyon, Michael W. Cresswell, Heather Patrick, Thomas Germer

The interpretation of scatterometry measurements generally assumes that the grating extends over an area large enough to intercept all the illumination provided...

Fiber lasers for frequency standards in optical communications

February 24, 2008

Author(s)

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

Optical light with millihertz relative frequency stabilities and subfemtosecond timing jitter can be produced from stabilized cw or mode-locked fiber lasers. We...

Circuit Simulation Model for a 100 A, 10 kV Half-bridge SiC MOSFET/JBS Power Module

February 24, 2008

Author(s)

Tam H. Duong, Angel Rivera-Lopez, Allen R. Hefner Jr., Jose M. Ortiz

This paper presents the simulation of a 100 A, 10 kV Silicon Carbide (SiC) half-bridge power module operating at 20 kHz in a behavioral boost converter circuit...

Nonlinear Effects in Thin-Film Ferroelectric Transmission Lines at Microwave Frequencies

February 23, 2008

Author(s)

James Booth, Nate Orloff, Jordi Mateu

In order to to investigate the switching dynamics of ferroelectric materials at nanosecond time scales, we have measured the nonlinear response of ferroelectric...

The Effect of EUV Molecular Glass Architecture on the Bulk Dispersion of a Photo-Acid Generator

February 22, 2008

Author(s)

David L. VanderHart, Vivek M. Prabhu, Anuja De Silva, Nelson Felix, Christopher K. Ober

We have examined four molecular glasses (MGs) which are candidates for EUV photoresist formulations. These derivatized glasses and their unprotected precursors...

Characterization of the Latent Image to Developed Image in Model EUV Photoresists

February 22, 2008

Author(s)

John T. Woodward IV, Kwang-Woo Choi, Vivek Prabhu, Shuhui Kang, Kristopher Lavery, Wen-Li Wu, Michael Leeson, Anuja De Silva, Nelson Felix, Christopher K. Ober

Current extreme ultraviolet (EUV) photoresist materials do not yet meet exposure-dose sensitivity, line-width roughness, and resolution requirements. In order...

LAYERED DOUBLE HYDROXIDE-EPOXY NANOCOMPOSITES: THE ROLE OF INTERFACIAL ADHESION AND ANION EXCHANGE CAPACITY ON NANOCOMPOSITE PERFORMANCE

February 20, 2008

Author(s)

Mickey Richardson, Jae Hyun Kim, Eun S. Park, Gale A. Holmes, Nandika A. D'Souza

The impact of interfacial adhesion on the strain-to-failure of montmorillonite/epoxy nanocomposites

February 20, 2008

Author(s)

Jae H. Kim, Mickey Richardson, Nandika A. D'Souza, Gale A. Holmes

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