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Journals

Low-Coherence Interferometric Measurements of Fibre Bragg Grating Dispersion

August 19, 1999

Author(s)

Shellee D. Dyer, Kent B. Rochford

Low-coherence interferometric measurements of dispersion in fibre Bragg gratings are presented.

Structural investigation of (Sr_4-δCa_δ)PtO₆ Using X-Ray Rietveld Refinement

August 16, 1999

Author(s)

Winnie K. Wong-Ng, James A. Kaduk, R A. Young, F Jiang

The structures of the solid solution series (Sr 4-δCa δ)PtO 6, with δ = 0, 0.85(1), 2, and 3, have been investigated using the Rietveld refinement technique...

Separation of Carotenoid Isomers by Capillary Electrochromatography with C₃₀ Stationary Phases

August 15, 1999

Author(s)

Lane C. Sander, M. Pursch, B. Marker, Stephen A. Wise

The IUSR Project: Industry Usability Report

August 10, 1999

Author(s)

Jean C. Scholtz

The Industry Usability Report (IUSR) Project is designed to help potential corporate purchasers of software obtain information about the usability of supplier...

Double Gires Tournois Interferometer Negative Dispersion Mirrors for Use in Tunable Modelocked Laserd

August 10, 1999

Author(s)

B Golubovic, R R. Austin, M K. Steiner-Shepard, M K. Reed, A G. van Engen, Scott Diddams

We report the design and operation of novel super-high reflectivity negative dispersion dielectric mirrors for use in tunable ultrafast laser systems. The...

Surface Sensitivity of Auger-Electron Spectroscopy and X-Ray Photoelectron Spectroscopy

August 9, 1999

Author(s)

Cedric J. Powell, E Jablonski, I Tilinin, David R. Penn

A convenient measure of surface sensitivity in Auger-electron spectroscopy (AES) and X-ray photoelectron spectroscopy (XPS) is the mean escape depth (MED). If...

Comparison of Backbone Dynamics of Oxidized and Reduced Putidaredoxin by ¹⁵N NMR Relaxation Measurements

August 3, 1999

Author(s)

Fahriye N. Sari, Marcia J. Holden, M P. Mayhew, V L. Vilker, B Coxon

The backbone dynamics of uniformly 15N-labeled reduced and oxidized putidaredoxin (Pdx) have been studied by 2D 15N NMR relaxation measurements. 15N T 1 and T 2...

Ultrasonic Continuous-Wave Beam-Power Measurements: 1978-1980 International Comparison

August 2, 1999

Author(s)

Steven E. Fick

Four half-wave resonant, air-backed, x-cut quartz disc transducers designed and fabricated at the National Bureau of Standards (NBS) were circulated among seven...

Ultrasound Power Measurement by Pulsed Radiation Pressure

August 2, 1999

Author(s)

Steven E. Fick

In a specially designed radiation force balance (RFB), low-frequency pulse modulation of the incident ultrasound allows high-accuracy measurement of time...

SRM 2806 (ISO Medium Test Dust in Hydraulic Oil): A Particle-Contamination Standard Reference Material for the Fluid Power Industry

August 1, 1999

Author(s)

Robert A. Fletcher, Jennifer R. Verkouteren, Eric S. Windsor, David S. Bright, Eric B. Steel, John A. Small, Walter S. Liggett Jr

Standard Reference material (SRM) 2806 is composed of ISO medium test dust (ISO 12103-A3), a mineral dust, suspended in MIL-H-5606 hydraulic oil. SRM 2806 is a...

Pay Me Now or Pay Me Later

August 1, 1999

Author(s)

Isabel M. Beichl, F Sullivan

This is a tutorial article on the alias method which we use to sample from the Poisson distribution quickly.

Apparent Correlation of Fracture Toughness and Strength

August 1, 1999

Author(s)

R G. Munro, Stephen W. Freiman

An extensive collection of fracture toughness (KIc) and strength ( f) data for brittle materials has been used to examine the relation between the mean measured...

Accommodation of Excess Ti in a (Ba,Sr)TiO₃ Thin Film with 53.4% Ti Grown on Pt/SiO₂/Si by Metalorganic Chemical-Vapor Deposition

August 1, 1999

Author(s)

Igor Levin, Richard D. Leapman, Debra L. Kaiser, P C. van Buskirk, R Bilodeau, R Carl

The microstructure and chemistry of a Ti-rich (Ba,Sr)TiO 3 film with 53.4 % Ti deposited on Pt/SiO 2/Si substrate by MOCVD was studied using high-resolution...

Structure of Charged Dendrimer Solutions as Seen by Small Angle Neutron Scattering

August 1, 1999

Author(s)

G Nisato, R Ivkov, Eric J. Amis

We present results of small-angle neutron scattering (SANS) investigations into the characteristics of charged poly(amidoamine) (PAMAM) dendrimer solutions in...

Analysis of the 5d⁵ - 5d⁴6p Transition Arrays of Four Times Ionized Iridium (Ir V)

August 1, 1999

Author(s)

R R. Gayasov, Y N. Joshi, A J. Raassen, V Kaufman

The spectrum of iridium was photographed in the 300 2040 region on a 3-m and on a 10.7-m normal incidence spectrograph. The sources used were a triggered spark...

Fourier Transform Microwave Spectroscopy of Jet-Cooled ZrO₂ Produced by Laser Vaporization

August 1, 1999

Author(s)

D J. Brugh, R D. Suenram, W J. Stevens

The pure rotational spectrum of the asymmetric top ZrO 2 has been collected using a Fourier transform microwave spectrometer that employed a laser ablation...

Atomic Spectra Databases on the World Wide Web -- An Update

August 1, 1999

Author(s)

Wolfgang L. Wiese, Daniel E. Kelleher

This article represents an update ato a previous review of databases published here in 1997 [1]. Since that time a number of significant changes have evolved...

The Essence of the Process Specification Language

August 1, 1999

Author(s)

Craig I. Schlenoff

In all types of communication, the ability to share information is often hindered because the meaning of information can be drastically affected by the context...

Measurement as Inference: Fundamental Ideas

August 1, 1999

Author(s)

William T. Estler

We review the logical basis of inference as distinct from deduction, and show that measurements in general, and dimensional metrology in particular, are best...

Micro X-Ray Fluorescence of Particles Using a Laboratory X-Ray Tube and a Polycapillary Optic

August 1, 1999

Author(s)

J R. Swider, Terrence J. Jach, Eric B. Steel

To create a microanalysis instrument that has low detection limits and can spatially resolve elemental distributions, we have utilized the benefits of X-ray...

Chemistry and Structure of Hydration Products

August 1, 1999

Author(s)

Paul E. Stutzman

This chapter covers papers published and abstracted in 1996 relating to cement hydration and the chemistry and structure of hydration products.

Time-Domain Dielectric Spectroscopy Analysis of the Amorphous Phase in Semicrystalline Polycarbonate

August 1, 1999

Author(s)

Chad R. Snyder, F I. Mopsik, H Marand, S M. Sohn

The amorphous state of bisphenol-A polycarbonate was examined by time-domain dielectric spectroscopy as a function of crystallization time over a frequency...

The Life-Cycle Costs of Fiber-Reinforced-Polymer Bridge Decks

August 1, 1999

Author(s)

M A. Ehlen

Fiber-reinforced polymer (FRP) composites are currently being developed and integrated into bridge structures. This report examines the life-cycle cost...

Influence of Secondary Tip Shape on Illumination-Mode Near-Field Scanning Optical Microscopy Images

August 1, 1999

Author(s)

Lee J. Richter, C E. Dentinger, Richard R. Cavanagh, Garnett W. Bryant, A Liu, Stephan J. Stranick, C D. Keating, M J. Natan

We report illumination-mode near-field optical microscopy images of individual 80-115 nm diameter Au particles recorded with metal-coated fiber probes. It is...

What Do We Need to Look Out for When Doing Energy Dispersive X-Ray Analysis in the Environmental Scanning Electron Microscope?

August 1, 1999

Author(s)

Scott A. Wight

Electron scattering in the environmental scanning electron microscope may contribute x-ray contamination to quantitative analysis. A series of experiments...

A Flexible High-Current Lead for Use in High-Magnetic-Field Cryogenic Environments

August 1, 1999

Author(s)

P Kirkpatrick, John (Jack) W. Ekin, S L. Bray

Si Resonant Interband Tunnel Diodes Grown by Low-Temperature Molecular Beam Epitaxy

August 1, 1999

Author(s)

P E. Thompson, K D. Hobart, M E. Twigg, G Jernigan, T E. Dillon, S L. Rommel, P R. Berger, David S. Simons, P Chi, R Lake, A C. Seabaugh

Si resonant interband tunnel diodes that demonstrate negative differential resistance at room temperature are presented. The structures were grown using low...

Exchange Biasing in Ferromagnet/Antiferromagnet Fe/KMnF₃

August 1, 1999

Author(s)

Zbigniew J. Celinski, D Licic, Nicholas Cramer, Robert E. Camley, Ronald B. Goldfarb, Danuta Skrzypek

A New Anechoic Chamber Evaluation Technique Using the Matrix Pencil Method

August 1, 1999

Author(s)

B. Fouresti, Z. Altman, Motohisa Kanda

A new method for evaluation of an anechoic chamber using the matrix pencil method is presented.

Contactless Mode-Selective Resonance Ultrasound Spectroscopy: Electromagnetic Acoustic Resonance

August 1, 1999

Author(s)

H Ogi, H M. Ledbetter, S D. Kim, M Hirao

We describe a noncontacting resonant-ultrasound-spectroscopy (RUS) method for measuring elastic constants and internal friction of conducting materials. This...

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