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Conferences

The Ultra-Small-Angle X-Ray Scattering Instrument on UNICAT at the APS

October 1, 2000

Author(s)

Gabrielle G. Long, Andrew J. Allen, J Ilavsky, P R. Jemian, P Zchack

A new ultra-small-angle X-ray scattering (USAXS) instrument has been commissioned as part of the UNICAT facility on the 33-ID line at the Advanced Photon Source...

Comparison and Development of Absorption Peak Determination Algorithms for Wavelength Standards

October 1, 2000

Author(s)

C. J. Zhu, Leonard M. Hanssen

Several peak determination algorithms are described and compared using the spectra of a NIST wavelength / wavenumber standard reference material (SRM). These...

Intercomparison of Regular Spectral Transmittance and Reflectance Measurements with FTIR- and Monochromator-Based Spectrophotometers

October 1, 2000

Author(s)

Simon G. Kaplan, Leonard M. Hanssen, E A. Early, Maria E. Nadal

We have performed regular spectral transmittance and reflectance measurements over the 1 mm to 2.5 mm wavelength region on several different types of materials...

Angle-Dependent Absolute Infrared Reflectance and Transmittance Measurements

October 1, 2000

Author(s)

Simon G. Kaplan, Leonard M. Hanssen

A goniometric system is used in conjuction with an FT-IR (Fourier-Transform Infrared) spectrophotometer to perform reflectance and transmittance measurements as...

New Developments for the Extreme Ultraviolet Detector Radiometry Beamline at SURF III

October 1, 2000

Author(s)

Robert E. Vest, L R. Canfield

The upgrade of the SURF electron storage ring has provided an opportunity to make several improvements to the detector radiometry beamline (BL-9). A new control...

Radiometric Calibration History of MOBY/NIST Single Channel Dual Mode Radiometers

October 1, 2000

Author(s)

Bettye C. Johnson, Steven W. Brown, Howard W. Yoon

In 1996, the National Institute of Standards and Technology (NIST), with the support of the National Atmospheric and Oceanic Administration (NOAA), designed and...

Standardization of Reflectance Colorimetry for Manufactured Products

October 1, 2000

Author(s)

Maria E. Nadal, E A. Early

The National Institute of Standards and Technology is conducting a study to advance the science of characterizing and modeling the appearance characteristics of...

Assessment of the Accuracy of the MOBY Spectral Radiance Calibration Sources Using the SXR and the VXR

October 1, 2000

Author(s)

Bettye C. Johnson, Howard W. Yoon, M Feinholz, D K. Clark

The Marine Optical Buoy (MOBY) and its related optical system the Marine Optical Sensor (MOS) consist of dual CCD-based spectrographs. MOBY, MOS, and other...

Color Issues of White LEDs

October 1, 2000

Author(s)

Yoshihiro Ohno

For white LEDs to be used for general lighting, they should have appropriate white color and good color rendering performance for illuminated objects. Color...

Activities of the International Organization for Standardization Technical Committee 202 Microbeam Analysis

October 1, 2000

Author(s)

John A. Small

In January of 1992 the ISO Council announced the acceptance of resolution 50/1991 establishing TC202 Microbeam Analysis. The China State Bureau of Technology...

Creating an Electronic Database for the Journal of Physical and Chemical Reference Data

October 1, 2000

Author(s)

D M. Blakeslee, Angela Y. Lee, S L. Young

Creating a database version of a journal by extracting data from the articles, storing those data in a database management system, and building a user interface...

Contact-Pad Design for High-Frequency Silicon Measurements

October 1, 2000

Author(s)

Dylan Williams, A. C. Byers, V. C. Tyree, Dave K. Walker, J. J. Ou, X. Jin, M. Piket-Moy, C. Hu

We measure and compare the electrical parasitics of contact pads of different designs fabricated on silicon integrated circuits and develop a strategy for...

Antenna Range Imaging

October 1, 2000

Author(s)

Ronald C. Wittmann, Michael H. Francis

We present a preliminary evaluation of a microwave measurement system that has been designed to determine electromagnetic fields in the quiet-zone of an antenna...

Low-Cost, Broadband Absorber Measurements

October 1, 2000

Author(s)

David R. Novotny, Robert T. Johnk, Arthur Ondrejka

We present a method for evaluating broadband absorber in a non-ideal testing environment. Using broadband, short impulse TEM horns, a frequency-rich spectrum...

Evaluation of an EMC Compliance Chamber Using an Ultrawideband Measurement System

October 1, 2000

Author(s)

Robert T. Johnk, David R. Novotny, Claude Weil, Marlene Taylor, T. J. O'Hara

This paper summarizes a joint NIST-Industry measurement effort. The purpose of this effort was to use a NIST-developed altrawide band measurement system to...

Electrostriction Mechanism in Electron-Irradiated Ferroelectric Copolymer: a Frequency Response Model

October 1, 2000

Author(s)

E Balizer, Fred B. Bateman, A S. DeReggi, Dan A. Neumann

The time-resolved optical measurement of the electrostrictive strain of an electron-irradiated copolymer of vinylidene fluoride with trifluoroethylene produced...

Uncertainties in Dynamic Sphere Radar Cross Section Data

October 1, 2000

Author(s)

Lorant A. Muth, W. Sefcik

This is a report on work in progress to understand the wide variations in sphere calibration data observed on dynamic radar cross section measurement ranges...

Radiometric Characterization and Calibration of the Marine Optical System (MOS) for the Marine Optical Buoy (MOBY) Project

October 1, 2000

Author(s)

C Habauzit, Steven W. Brown, Keith R. Lykke, B. Carol Johnson, M Yarbrough, M Feinholz, D K. Clark

The scientific objective of the Marine Optical Buoy (MOBY) project is to measure the downwelling spectral irradiance, E d, and the upwelling spectral radiance...

Dimensional Metrology of Millimeter- and Sub-millimeter-scale Components

October 1, 2000

Author(s)

Theodore V. Vorburger, Jun-Feng Song, Joseph Fu, M Tundermann, Thomas Brian Renegar, Theodore D. Doiron, N G. Orji

Decreasing sizes and tolerances of engineering components bring a demand for decreasing uncertainty in the dimensional measurements of these parts. Hence there...

Broadband Determination of Microwave Permittivity and Loss in Tunable Dielectric Thin Film Materials

October 1, 2000

Author(s)

James Booth, Leila R. Vale, Ronald H. Ono

We demonstrate a new method for determining the frequency-dependent dielectric properties of thin-film materials at microwave frequencies using coplanar...

Improved Fiber-Optic Magnetometer Based on Iron Garnet Crystals

October 1, 2000

Author(s)

Kent B. Rochford, Robert J. Espejo, Allen Rose, Shellee D. Dyer

Electro-Optic Kerr Effect in Spun High-Birefringent Fiber Current Sensors

October 1, 2000

Author(s)

Allen Rose, P. G. Polynkin, J. Blake

We have measured the influence of the electro-optic (EO) Kerr effect on the response of a spun high-birefringence (hi-bi) fiber current sensor in a simulated...

CIE Fundamentals for Color Measurements

September 30, 2000

Author(s)

Yoshi Ohno

The paper first overviews the CIE system of colorimetry, covering CIE 1931 color matching functions, XYZ tristimulus values, the x, y diagram, the 1976 u', v'...

On-Wafer Measurement of Transmission Lines On Lossy Silicon Substrates

September 25, 2000

Author(s)

Uwe Arz, Dylan Williams, Hartmut Grabinski

This paper examines broadband measurement techniques for electrical properties of planar transmission lines built on lossy silicon substrates. We start by...

Automated Tracking of Structural Steel Members at the Construction Site

September 18, 2000

Author(s)

K M. Furlani, L E. Pfeffer

This paper presents further development and experimental testing of Comp-TRAK, a prototype system for identification and spatial tracking of structural steel...

Mutation Operators for Specifications

September 15, 2000

Author(s)

Paul E. Black, Vadim Okun, Yaacov Yesha

Testing has a vital support role in the software engineering process, but developing tests often takes significant resources. A formal specification is a...

Attractors, Chain Transitive Sets and Invariant Measures

September 15, 2000

Author(s)

Fern Y. Hunt

This paper discusses an easy to implement procedure for approximating the long time behavior of iterates of maps. Applications include to finding the roots of a...

A New Methodology for Determining Interfacial Shear Strength in Single Fiber Composites

September 12, 2000

Author(s)

Gale A. Holmes, Donald L. Hunston, Walter G. McDonough, R C. Peterson

Marginally Flammable Materials: Burning Velocity of Trans-Dichloroethylene

September 10, 2000

Author(s)

Gregory T. Linteris, Valeri I. Babushok

The overpressure dynamics and explosion hazard of commodity materials under full-scale conditions are often assessed through laboratory measurements of their...

Marginally Flammable Materials: Burning Velocity of Trans-Dichloroethylene.

September 10, 2000

Author(s)

Gregory T. Linteris, Valeri I. Babushok

The overpressure dynamics and explosion hazard of commodity materials under full-scale conditions are often assessed through laboratory measurements of their...

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