Conferences

Collision-Induced Absorption in the CO₂ Fermi Triad for Temperatures From 211 K to 296 K

July 1, 2003

Author(s)

Y I. Baranov, Gerald T. Fraser, Walter J. Lafferty, A A. Vigasin

Absorption spectra of pure CO 2 have been recorded in the vicinity of the 2675 cm -1 Fermi triad for temperatures between 211 K and 296 K. The 2υ 1, υ 1 + 2υ 2...

A Framework for Modeling and Simulation for Emergency Response

July 1, 2003

Author(s)

Sanjay Jain, Charles R. McLean

A number of modeling and simulation tools have been developed and more are being developed for emergency response applications. The available simulation tools...

CD-SEM Measurement of Line Edge Roughness Test Patterns for 193 nm Lithography

July 1, 2003

Author(s)

B Bunday, M R. Bishop, John S. Villarrubia, Andras Vladar

The measurement of line-edge roughness (LER) has recently become a major topic of concern in the litho-metrology community and the semiconductor industry as a...

CD-SEM Measurement of Line-Edge Roughness Test Patterns for 193-nm Lithography

July 1, 2003

Author(s)

B Bunday, M R. Bishop, John S. Villarrubia, Andras Vladar

The measurement of line-edge roughness (LER) has recently become a major topic of concern in the litho-metrology community and the semiconductor industry as a...

Toward Traceability for At-line AFM Dimensional Metrology

July 1, 2003

Author(s)

Marylyn H. Bennett, Angela Guerry, Ronald G. Dixson, Michael T. Postek, Theodore V. Vorburger

The in-line and at-line measurement tools for critical dimension (CD) metrology in semiconductor manufacturing are technologically advanced instruments that...

Amplitude Noise on Supercontinuum Generated in Microstructure Fiber: Measurement and Simulations

July 1, 2003

Author(s)

Nathan R. Newbury, Kristan L. Corwin, Scott Diddams, Brian Washburn, J M. Dudley, S. Coen, R Windeler

Supercontinua generated in microstructure fiber can exhibit significant excess amplitude noise. We present experimental and numerical studies of the origins of...

NIST Program for Traceable Power and Energy Measurements Under Non-Sinusoidal Waveform Conditions

July 1, 2003

Author(s)

Gerard N. Stenbakken, Thomas L. Nelson, Bryan C. Waltrip, David I. Bergman

In response to industry requests to have calibration services for distorted power instrumentation, NIST is developing a new sampling system to provide this...

A Study of the Effects of Matrix and Laser Energy on the Molecular Mass Distribution of Syntehtic Polymers

June 30, 2003

Author(s)

S Wetzel, Charles M. Guttman, J. Girard

The characterization of synthetic polymers by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) has yielded...

Long term phase-locking a broadband Ti:sapphire femtosecond laser to an optical oscillator

June 22, 2003

Author(s)

A Bartels, T M. Ramond, Scott A. Diddams, Leo W. Hollberg

Network Communications for Weld Cell Integration - Status of Standards Development

June 18, 2003

Author(s)

William G. Rippey

Network technology is being used more and more to replace direct-wired links to integrate equipment components of automated and semi-automated welding systems...

Multisine Excitation for ACPR Measurements

June 17, 2003

Author(s)

Catherine A. Remley

We use a simlator to compare ACPR measurements of a nonlinear device excited with various multisine signals to ACPR measurements of the same device excited with...

Extraction of Conversion Matrices for P-HEMTs based on Vectorial Large-Signal Measurements

June 17, 2003

Author(s)

Alessandro Cidronali, Kuldip Gupta, Jeffrey Jargon, Kate Remley, Donald C. DeGroot, Gianfranco Manes

This paper introduces a new technique which allows us to measure the admittance conversion matrix of a two-port device, using a large signal vector network...

Sampling Oscilloscope Models and Calibrations

June 17, 2003

Author(s)

Kate Remley, Dylan Williams

We discuss the basic principles of operation of electrical sampling oscilloscopes and describe circuit models developed to design, characterize, and help...

Use of Multisine Signals For Efficient Behavioural Modelling of RF Circuits with Short-Memory Effects

June 17, 2003

Author(s)

Dominique Schreurs, Kate Remley

Behavioural models for RF devices are often base on single-tone data. However, this type of excitation is not representative of the digital modulation to which...

An Optimal Multiline TRL Calibration Algorithm

June 17, 2003

Author(s)

Dylan Williams, Jack Wang, Uwe Arz

We examine the performance of two on-wafer multiline TRL calibration algorithms, the popular multiline TRL algorithm implemented in the MultiCal software...

Development of a Quantum Based Microwave Power Measurement

June 17, 2003

Author(s)

Thomas P. Crowley, E. A. Donley, T P. Heavner, John R. Juroshek, Billy F. Riddle

An initial proof-of-concept experiment to measure microwave power based on quantum-mechanical principles is presented. Rabi oscillations between two hyperfine...

CFD Modeling of Aerosol Entry in Simplified Smoke Detector Geometries.

June 16, 2003

Author(s)

J A. Ierardi, J R. Barnett

The interaction between a ceiling jet and smoke detector is being investigated with computational fluid dynamics (CFD) modeling in order to better under aerosol...

Reduced-Scale Experiments on the Water Suppression of a Rack-Storage Commodity Fire for Calibration of a CFD Fire Model

June 16, 2003

Author(s)

Anthony P. Hamins, Kevin B. McGrattan

The objective of this work was to provide measurements from reduced-scale experiments for use in the NIST Fire Dynamics Simulator, a computational fluid...

Measurement of Soot Extinction Coefficients

June 16, 2003

Author(s)

J F. Widmann, Jiann C. Yang, George W. Mulholland, Anthony P. Hamins

An experimental apparatus used to obtain soot extinction coefficients in the infrared portion of the electromagnetic spectrum will be presented. Numerous...

Fire Suppression and Re-ignition Prevention in a Full-Scale Engine Nacelle Simulator

June 16, 2003

Author(s)

Anthony P. Hamins, Thomas G. Cleary, Jiann C. Yang

An analysis is presented on the full-scale fire suppression experiments conducted on the F-22 engine nacelle simulator at Wright Patterson Air Force Base...

Formation and Growth of Intermetallics at the Interface Between Lead-Free Solders and Copper Substrates

June 16, 2003

Author(s)

Thomas A. Siewert, Juan C. Madeni, S X. Liu

Intermetalhc formation and growth were studied for the alloys Sn-3.2Ag-0.8Cu, Sn-3.5Ag, Sn-0.7Cu, and Sn-9Zn.,Coupons of solder joints (prepared by melting some...

Numerical Modeling of Pool Fires Using LES and Finite Volume Method for Radiation

June 16, 2003

Author(s)

Simo A. Hostikka, Kevin B. McGrattan, Anthony Hamins

The thermal environment in small and moderate-scale pool flames is studied by Large Eddy Simulation and the Finite Volume Method for radiative transport. The...

Phase Detrending for Measured Multisine Signals

June 13, 2003

Author(s)

Kate Remley, Dylan Williams, Dominique Schreurs, Giovanni Loglio, Cidronali Alessandro

We develop a method to detrend the phases of measured multisine signals. We find a time reference that removes the linear component of the measured phases and...

Assessment Activities at the NIST Research Library

June 11, 2003

Author(s)

Barbara P. Silcox

This presentation describes assessment activities at the Research Library of the National Institute of Standards and Technology. It is to be part of a session...

Silicon Carbide Power MOSFET Model and Parameter Extraction Sequence

June 11, 2003

Author(s)

Ty R. McNutt, Allen R. Hefner Jr., Alan Mantooth, David W. Berning, Sei-Hyung Ryu

A compact circuit simulator model is used to describe the performance of a 2000-V, 5-A 4-H Silicon Carbide (SiC) power DiMOSFET and to perform a detailed...

The Role Control Center: Features and Case Studies

June 4, 2003

Author(s)

David F. Ferraiolo, Gail-Joon Ahn, Ramaswamy Chandramouli, Serban I. Gavrila

Role-based Access Control (RBAC) models have been implemented not only in self-contained resource management products such as DBMSs and Operating Systems but...

SCUBA-2: Developing the Detectors

June 2, 2003

Author(s)

William Duncan, Wayne Holland, Damian Audley, M. Cliffe, T. Hodson, B. D. Kelly, X. Gao, D. Gostick, Michael MacIntosh, H. McGregor, T. Peacocke, Kent D. Irwin, Gene C. Hilton, Steven Deiker, Joern Beyer, Carl D. Reintsema, Anthony Walton, William Parkes, T. Stevenson, Alan Gundlach, Camilla Dunare, Peter Ade

SCUBA-2 is a second generation, wide-field submillimeter camera under development for the James Clerk Maxwell Telescope. With over 12,000 pixels, in two arrays...

Observation of Photons Emitted During Inhibited Spontaneous Emission

June 1, 2003

Author(s)

D A. Branning, P G. Kwiat, Alan L. Migdall

We present the results of an experiment to observe inhibited spontaneous emission of a parametric downconverter by an optical cavity whose switching time is...

Bending Performance of Masonry Walls Strengthened With Near-Surface Mounted FRP Bars.

June 1, 2003

Author(s)

K Bajpai, D Kuthinh

Unreinforced masonry (URM) buildings constitute an important part of the building stock, and are vulnerable to earthquakes. Retrofitting of existing masonry...

Micro Channel Heat Transfer, Pressure Drop and Macro Prediction Methods

June 1, 2003

Author(s)

Mark A. Kedzierski

Advances in the basic understanding of fluid physics have opened an era of unprecedented application of heat transfer processes, and fluid dynamics systems...