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Journals

Initial Results of the Bidirectional Reflectance Characterization Round-Robin in Support of EOS

October 1, 1998

Author(s)

Bettye C. Johnson, P Y. Barnes, Thomas R. O'Brian, James J. Butler, C J. Bruegge, S F. Biggar, P R. Spyak, M M. Pavlov

Laboratory measurements of the bidirecitonal reflectance distribution function (BRDF) of diffusely reflecting samples are required to support calibration in the

Short-Term Stability Measurements of a Germanium Plotodiode Radiometer

October 1, 1998

Author(s)

G Andor, Bettye C. Johnson

This paper describes a general stability measurement method for the short term stability, or repeatability, for radiometers using fixed-point blackbodies [BBs]

A 400 nm to 2500 nm Absolute Spectral Radiance Comparison Using Filter Radiometers

October 1, 1998

Author(s)

Howard W. Yoon, Bettye C. Johnson, D Kelch, S F. Biggar, P R. Spyak

An integrating sphere source developed by MTL Systems, Inc. was calibrated for them by a commercial standards laboratory traceable to the National Institute of

Field Calibration Unit for Ultraviolet Spectroradiometers

October 1, 1998

Author(s)

E A. Early, E A. Thompson, P Disterhoft

114 Still with reader.

Analytical Modeling of the Periodic Nonlinearity in Heterodyne Interferometry

October 1, 1998

Author(s)

C M. Wu, R Deslattes

The periodic nonlinearity that arises from nonideal laser sources and imperfections of optical components limits the accuracy of displacement measurements in

Bond-Selective Photofragmentation of Jet-Cooled HOD at 193 nm: Vibriationally Mediated Photochemistry With Zero-Point Excitation

October 1, 1998

Author(s)

David F. Plusquellic, O Votava, David J. Nesbitt

Photofragment yields are reported for supersonically cooled H 2O, D 2O, and HOD via one photon, 193 nm photolysis in a slit jet expansion, with OH and OD

Evaluation of Uncertainties in Fundamental Radiometric Measurements

October 1, 1998

Author(s)

Benjamin K. Tsai, Bettye C. Johnson

The uncertainty of measurements is critical in furthering the development of radiometric science and acquiring an increased understanding of its principles

Revised Formulas for Diffraction Effects With Point and Extended Sources

October 1, 1998

Author(s)

Eric L. Shirley

Revised formulas to estimated diffraction effects in radiometry for point and extended sources are derived. They are found to work as well as or better than

Configurational Temperature: Verification of Monte Carlo Simulations

October 1, 1998

Author(s)

B D. Butler, G Ayton, O G. Jepps, D J. Evans

A diagnostic that is useful for checking the algorithmic correctness of Monte Carlo computer programs is presented. The check is made by comparing the Boltzmann

InSb Working Standard Radiometers

October 1, 1998

Author(s)

George P. Eppeldauer, Alan L. Migdall, Leonard M. Hanssen

Standard quality InSb radiometers have been developed and characterized at the national Institute of Standards and Technology (NIST). The InSb radiometers will

A Simple Technique for Observing Fringe Interpolation Errors in Michelson Interferometers

October 1, 1998

Author(s)

Jack A. Stone Jr., Lowell P. Howard

We describe a simple, convenient method for measuring nonlinearities in displacement-measuring Michelson interferometers. Nonlinearities with a spatial

Ralph Webb: A Pioneering Proselytizer for Enhanced Heat Transfer

October 1, 1998

Author(s)

Mark A. Kedzierski

Ralph Webb, a pioneer in enhanced heat transfer, proselytizes his field for the economic and technical benefit of industry. His mission has been, and always

Mechanism of Ionic Strength Dependence of Crystal Growth Rates in a Subtilsin Variant

October 1, 1998

Author(s)

David T. Gallagher, Q Pan, G L. Gilliland

An orthorhombic crystal form of subtilisin exhibits a systematic variation in growth rates of its three unique faces, resulting in pronounced morphology

Detector-Based Luminous Flux Calibration Using Absolute Integrating Sphere Method

October 1, 1998

Author(s)

Yoshihiro Ohno

The Absolute Integrating-sphere Method was developed and introduced by NIST for the realization of luminous flux unit using an integrating sphere rather than a

New Photometric Calibration Programs at the National Institute of Standards and Technology

October 1, 1998

Author(s)

Yoshihiro Ohno, Magdalena Navarro

The National Institute of Standards and Technology (NIST) candela is maintained via standard photometers which have shown long-term stability better than 0.1%

Platinum Versus Palladium Thermocouples: an EMF-Temperature Reference Function for the Range 0 degrees {Celsius} to 1500 degrees {Celsius}

October 1, 1998

Author(s)

G W. Burns, Dean C. Ripple, M Battuello

We present an emf-temperature reference function for platinum versus palladium (Pt/Pd) thermocouples in air for the range 0 degrees {Celsius} to 1500 degrees

Kamlet-Taft Solvatochromic Parameters for 25 Glycol Ether Solvents and Glycol Ether Aqueous Solutions

October 1, 1998

Author(s)

A F. Lagalante, C Wood, A M. Clarke, Thomas J. Bruno

The Kamlet-Taft parameters for 25 glycol ethers and aqueous solutions of the 25 glycol ethers were measured. Values for the three Kamlet-Taft parameters; the

Silicon Wedge-Trap Detector for Optical Fibre Power Measurements

October 1, 1998

Author(s)

John H. Lehman, J. E. Sauvageau, Igor Vayshenker, Christopher L. Cromer, K. Foley

Tensile Testing Low Density Multilayers: Aluminum/Titanium

October 1, 1998

Author(s)

Daniel Josell, D van Heerden, D Shechtman, David T. Read

Yield stresses, ultimate tensile strengths, and specific strengths of aluminum/Titanium multilayer thin films are determined from the results of uniaxial

A Fast Pulse Oscilloscope Calibration System

October 1, 1998

Author(s)

J. P. Deyst, Nicholas Paulter, T. Daboczi, Gerard N. Stenbakken, T. M. Souders

A system is described for calibrating high-bandwidth oscilloscopes using pulse signals. The fast pulse oscilloscope calibration system (FPOCS) is to be used to

A Pulse Measurement Intercomparison

October 1, 1998

Author(s)

T. M. Souders, J R. Andrews, A. Caravone, J. P. Deyst, C. Duff, S. Naboicheck

Time-Base Nonlinearity Determination Using Iterated Sine-Fit Analysis

October 1, 1998

Author(s)

Gerard N. Stenbakken, J. P. Deyst

A new method is presented to determine the time-base errors of sampling instruments. The method does not require a model for the time-base error and, thus

Gapped Arresters Revisited: A Solution to Cascade Coordination

October 1, 1998

Author(s)

A. Mansoor, Francois D. Martzloff, K. O. Phipps

This paper provides a brief perspective on how the coordination of cascaded surge-protective devices (SPDs) has become an issue. We propose an approach where

A Pulse Measurement Intercomparison

October 1, 1998

Author(s)

T. M. Souders, J R. Andrews, A. Caravone, J. P. Deyst, C. Duff, S. Naboicheck

A pulse measurement intercomparison, organized by (NIST) and conducted by the authors in their respective labs, is described. The purpose was to assess the

The Three Components of Reflection

October 1, 1998

Author(s)

Edward F. Kelley, George R. Jones Jr., Thomas Germer

The FERET Verification Testing Protocol for Face Recognition Algorithms

October 1, 1998

Author(s)

S A. Rizvi, P. Jonathon Phillips, H Moon

Two critical performance characterizations of biometric algorithms, including face recogntion, are identification and verification. In face recognition, FERET

The Surface Area of Cement Paste as Measured by Neutron Scattering -- Evidence for Two C-S-H Morphologies

October 1, 1998

Author(s)

J Thomas, Hamlin M. Jennings, Andrew J. Allen

Small-angle neutron scattering was used to measure the effect of water-to-cement ratio [w/c] and cement batch variation on the surface area of ordinary Portland

Effect of Hydrogen on Pb(Zr,Ti)O₃-Based Ferroelectric Capacitors

October 1, 1998

Author(s)

S R. Perusse, C W. Tipton, H D. Drew, T Venkatesan, R Ramesh, D B. Romero, V B. Podobedov, A Weber

The properties of ferroelectric films are known to degrade when subjected to hydrogen in forming gas anneals. Earlier studies have attributed this degradation

Investigations of Nonlinear Femtosecond Pulse Propagation with the Inclusion of Raman, Shock, and Third-Order Phase Effects

October 1, 1998

Author(s)

A A. Zozulya, Scott Diddams, Tracy S. Clement

The propagation of intense femtosecond pulses in a nonlinear, dispersive bulk medium investigated numerically in the regime where the combined effects of

Crossover Approach to Scaling Behavior in Dilute Polymer Solutions Theory and Simulation

October 1, 1998

Author(s)

L L. Lue, S B. Kiselev

We develop a crossover theory for dilute polymer solutions, analogous to crossover theories for critical phenomena in simple fluids.