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Conferences

Atomic Spectroscopy at NIST 2001

June 1, 2001

Author(s)

Joseph Reader

The program in atomic spectroscopy at NIST continues to provide accurate reference data on spectral lines and energy levels for a wide variety of important...

The Ultra-Low Temperature Magnifying Glass: How Bose-Einstein Condensation Makes Quantum Mechanics Visible

June 1, 2001

Author(s)

Eric A. Cornell, P C. Haljan

Experiments in Bose-Einstein condensation provide an unusually direct view of the working of quantum wave mechanics. We make use of two internal states of Rb-87...

History of the Symposium on Thermophysical Properties

June 1, 2001

Author(s)

William M. Haynes, Jan V. Sengers, R. T. Jacobsen, Daniel G. Friend

The Symposium on Thermophysical Properties represents a series of conferences that started in 1959 at Purdue University, which at the that time was the home of...

The History of NIST's Refrigerants Program: II. Thermophysical Properties Research

June 1, 2001

Author(s)

Mark O. McLinden

The history of the research program on thermophysical properties of refrigerants at the National Institute of Standards and Technology (NIST) is described in...

The IMS MISSION Architecture for Distributed Manufacturing Simulation

June 1, 2001

Author(s)

Charles R. McLean, Frank H. Riddick

This paper presents an overview of a neutral reference architecture for integrating distributed manufacturing simulation systems with each other, with other...

Architectures in an XML World

June 1, 2001

Author(s)

Joshua Lubell

XML[Extensible Markup Language] developers today have at their disposal a variety of tools for achieving schema reuse. An often-overlooked reuse method is the...

Archival and Theoretical Considerations for Isotopic Dependence in the e-H₂ Fixed Points

June 1, 2001

Author(s)

F Pavese, Weston L. Tew, A G. Steele

We examine these isotopic dependence for the case of the e-H2 triple point (TP), and the two vapor pressure (VP) points of the ITS-90 defined near 33 kPa and...

The NIST Industrial Thermometer Calibration Laboratory

June 1, 2001

Author(s)

C D. Vaughn, Gregory F. Strouse

The NIST Industrial Thermometer Calibration (ITC) Laboratory provides calibrations of industrial thermometers over the range from 196 C to 550 C. The different...

Special Problems When Realising the Triple Point of Hydrogen as a Defining Fixed Point of the ITS-90

June 1, 2001

Author(s)

B Fellmuth, D I. Head, F Pavese, A Szmyrka-Grzebyk, Weston L. Tew

The two special problems, which appear when realising the triple point of hydrogen as a temperature fixed point due to the influences of the deuterium content...

A Framework for Managing Faults and Attacks in All-Optical Transport Networks

June 1, 2001

Author(s)

J K. Patel, S U. Kim, David H. Su, M Subramaniam, H A. Choi

ult and attack survivability in all-optical transport networks (AOTNs) require new approaches because of unique transmission characteristics. Specifically...

Characterization of Porous Low-k Dielectric Thin Films Using X-ray Reflectivity and Small-angle Neutron Scattering and Ion Scattering

June 1, 2001

Author(s)

H Y. Lee, Eric K. Lin, Haonan Wang, Wen-Li Wu, W Chen, T A. Deis

A novel methodology using a combination of ion scattering, x-ray reflectivity (SXR), and small angle neutron scattering was used to characterize the structure...

NIST Colorimetric Calibration Facility for Displays - Part 2

June 1, 2001

Author(s)

F Manoocheri, Steven W. Brown, Yoshi Ohno

velopment of a calibration facility for spectroradiometric, colorimetric, and goniometric measurements of displays, display colorimeters, and spectroradiometers...

A New Type of Frequency Chain and its Application to Fundamental Frequency Metrology

June 1, 2001

Author(s)

Thomas Udem, J Reichert, R Holzwarth, Scott Diddams, D J. Jones, Jun Ye, S T. Cundiff, T W. Hansch, John L. Hall

A suitable femtosecond (fs) laser system can provide a broad band comb of stable optical frequencies and thus can serve as an rf/opticalcoherent link. In this...

X-Ray Metrology by Diffraction and Reflectivity

June 1, 2001

Author(s)

D K. Bowen, R Deslattes

X-ray methods can provide measurements that, for certain parameters of great technological importance, are the most accurate and sensitive available. Their...

Time-Shifting the Dynamics of Li₂ Multistate Rovibrational Wave Packets by State Selective Coherent Phase Control

June 1, 2001

Author(s)

Z Amitay, R Uberna, S R. Leone

State-selective coherent phase control using single shaped femtosecond laser pulses is implemented to achieve forward and backward shifts in time (up to a...

AlGaN Schottky Diodes for Short-Wavelength UV Applications

June 1, 2001

Author(s)

P P. Chow, J J. Klaassen, Robert E. Vest, J M. VanHove, A Wowchak, C Polley

High performance ultraviolet (UV) detectors have been fabricated using plasma-enhanced molecular beam epitaxy (MBE). The realized AlGaN Schottky detectors...

Quantum Gates Using Motional States in an Optical Lattice

June 1, 2001

Author(s)

E Charron, Eite Tiesinga, F H. Mies, Carl J. Williams

We Study an implementation of a two-qubit universal quantum gate with neutral 87Rb atoms trapped in a far-detuned two-color optical lattice. The qubit states...

A Comparison of Usage Evaluation and Inspection Methods for Assessing Groupware Usability

June 1, 2001

Author(s)

S Greenbaum, C Gutwin, Michelle P. Steves

Evaluating groupware usability can be a difficult problem. Many researchers believe that groupware can only be evaluated by studying real collaborators in their...

High Performance Transition-Edge-Sensor Based Detectors

June 1, 2001

Author(s)

Gene C. Hilton, Steven Deiker, Kent D. Irwin, Sae Woo Nam, John M. Martinis, David A. Wollman

High performance detectors utilizing transition-edge sensors (TES) have been demonstrated for photon energies ranging from the infrared to the x-ray. In the...

Wavelength Control and Calibration for Wavelength Division Multiplexed Optical Communication

June 1, 2001

Author(s)

Sarah L. Gilbert, William C. Swann, Tasshi Dennis

Wavelength calibration of equipment in the 1500 nm region is essential to ensure channel stability and characterize optical components for wavelength division...

Trioxane-Air Counterflow Diffusion Flames in Normal and Microgravity

May 22, 2001

Author(s)

Gregory T. Linteris, M D. Rumminger, D L. Urban

Trioxane, a weakly bound polymer of formaldehyde (C3H6O3, melting point 61 deg C, boiling point 115 deg C), is a uniquely suited compound for studying material...

Physical and Chemical Aspects of Fire Suppression in Extraterrestrial Environments

May 22, 2001

Author(s)

Fumiaki Takahashi, Gregory T. Linteris, Vishwanath R. Katta

A fire, whether in a spacecraft or in occupied spaces on extraterrestrial bases, can lead to mission termination or loss of life. While the fire-safety record...

Broadband Josephson Voltage Standards

May 20, 2001

Author(s)

Clark A. Hamilton, Samuel P. Benz

A Josephson junction is a perfect frequency to voltage converter, that is, V=f/K j where K j = 483597.9 GHz/V. This unique property has been used to convert a...

Challenges of High-[kappa] Gate Dielectrics for Future MOS Devices

May 13, 2001

Author(s)

John S. Suehle, Eric M. Vogel, Monica D. Edelstein, Curt A. Richter, Nhan Van Nguyen, Igor Levin, Debra Kaiser, Hanchang F. Wu, J B. Bernstein

As the feature sizes of complementary metal-oxide-semiconductor (CMOS) devices are scaled downward, the gate dielectric thickness must also decrease to maintain...

Compressive Strengthening of Sapphire by Neutron Irradiation

May 9, 2001

Author(s)

T M. Regan, D C. Harris, R M. Stroud, J R. White, D W. Blodgett, K C. Baldwin, J A. Miragliotta, M E. Thomas, M J. Linevsky, J W. Giles, T A. Kennedy, M Fatemi, David R. Black

Neutron irradiation of sapphire with 1 1022(=1 MeV)/m2 increases the c-axis compressive strength by a factor of 3 at 600 C. The mechanism of strength...

Use of the Oscillation Based Built-in Self-test Method for Smart Sensor Devices

May 7, 2001

Author(s)

Angela Hodge, R. Newcomb, Allen R. Hefner Jr.

An oscillation-based built in self-test (BIST) method is presented for functional testing of mixed signal devices. An integral component of this method of on...

Prediction of Building Integrated Photovoltaic Cell Temperatures

May 1, 2001

Author(s)

Mark W. Davis, Arthur H. Fanney, Brian P. Dougherty

A barrier to the widespread application of building integrated photovoltaics (BIPV) is the lack of validated predictive performance tools. Architects and...

The Impact-Echo Method: An Overview

May 1, 2001

Author(s)

Nicholas J. Carino

The impact-echo method is a technique for flaw detection in concrete. It is based on monitoring the surface motion resulting from a short-duration mechanical...

The Maturity Method: From Theory to Application

May 1, 2001

Author(s)

Nicholas J. Carino, Hai S. Lew

The maturity method is a technique to account for the combined effects of time and temperature on the strength development of concrete. The method provides a...

AISC Design Guide No. 12 Modification of Existing Welded Steel Moment Frame Connections for Seismic Resistance

May 1, 2001

Author(s)

John L. Gross

The Congressional emergency appropriation resulting from the January 17, 1994, Northridge earthquake provided the Building and Fire Research Laboratory (BFRL)...

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