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Factory Equipment Network Testing Framework: Universal Client Application, Application Programming Interface

September 17, 2012

Author(s)

James D. Gilsinn, Kang B. Lee, John L. Michaloski, Frederick M. Proctor, Yuyin Song

This document describes the application programming interface (API) used by the Factory Equipment Network Testing (FENT) Framework to communicate between the main Universal Client Application (UCA) and the Personality Module (PM). This API abstracts a

Guide for Conducting Risk Assessments

September 17, 2012

Author(s)

Ronald S. Ross

The purpose of Special Publication 800-30 is to provide guidance for conducting risk assessments of federal information systems and organizations, amplifying the guidance provided in Special Publication 800-39. This document provides guidance for carrying

Impact of Size on Carbon Nanotube Transport in Natural Porous Media

September 17, 2012

Author(s)

Denis O'Carroll, Xeuying Liu, Nikolai Mattison, Elijah Petersen

Carbon nanotubes are the subject of intense research due to their unique properties: light weight, significant strength, excellent conductivity, and outstanding chemical resistance. This has led to their application in a wide variety of industries, (e.g

New Instruments to Calibrate Atmospheric Transmission

September 17, 2012

Author(s)

Claire E. Cramer, Keith R. Lykke, John T. Woodward IV, Peter Zimmer, John T. McGraw, Daniel C. Zirzow

Changing atmospheric transmission accounts for the largest systematic errors limiting photometric measurement precision and accuracy for ground-based telescopes. While considerable resources have been devoted to correcting the effects of the atmosphere on

Summary and Conclusions of a Workshop on Quantifying the Contribution of Flaming Residential Upholstered Furniture to Fire (NIST TN 1757) Losses in the United States

September 17, 2012

Author(s)

William M. Pitts

This report summarizes a workshop entitled "Quantifying the Contribution of Flaming Residential Upholstered Furniture to Fire Losses in the United States" that was held at the National Institute of Standards of Technology on March 22-23, 2012. The workshop

The Need for a Robust Precise Time and Frequency Alternative to Global Navigation Satellite Systems

September 17, 2012

Author(s)

Michael A. Lombardi, Mitch Narins, Per Engen, Ben Peterson, Sherman Lo, Dennis Akos

Positioning, Navigation, and Timing (PNT) services are key enablers of both essential safety and security applications and economically beneficial capacity and efficiency applications worldwide. Whether users are ground-based, sea-based or in the air

Validation of a Two-Antenna Reverberation-Chamber Technique for Estimating the Total and Radiation Efficiency of Antennas

September 17, 2012

Author(s)

Christopher L. Holloway

Reverberation chambers (RC) are becoming a popular alternative testing facility for a wide range of electromagnetic applications. Because of the statistical environment created inside a RC, they offer a unique test facility. In particular, these chambers

Characterization of a High-Speed (10 MHz) Quadrant Avalanche Photodiode for Measuring Cantilever Displacement

September 16, 2012

Author(s)

Brian G. Burke, David A. LaVan

We have measured the characteristics of a high-speed (10 MHz) quadrant avalanche photodiode (APD) in order to detect high frequency resonant oscillations and tip displacements of a cantilever. Currently, no high-speed quadrant detectors with a response

Electro-Thermal Simulation and Design of a 60 A, 4.5 kV Half-Bridge Si IGBT/SiC JBS Hybrid Power Module

September 15, 2012

Author(s)

Tam H. Duong, Allen R. Hefner Jr., Karl Hobart

This paper presents the results from a parametric simulation study that was conducted to optimize the design of a high-current 4.5 kV half-bridge Si-IGBT/SiC-JBS hybrid module for medium voltage hard-switched power conversion as well as to compare the

Ferri- to ferro-magnetic transition in the martensitic phase of a Heusler alloy

September 15, 2012

Author(s)

Robert D. Shull, Lawrence H. Bennett, Virgil Provenzano, Y. N. Jin, Igor Levin, E. Della Torre

During the past decade the magnetic properties of Heusler alloys have been extensively studied, motivated in part by the observation of large magnetocaloric effect (MCE) peaks displayed by these alloys near room temperature. We present new data and

Spin Dynamics in the Time and Frequency Domain

September 15, 2012

Author(s)

Thomas J. Silva

The current status of experimental approaches to analyze the spin wave dynamics in ferromagnetic nanoscale structures is reviewed. Recent developments in frequency- and field swept spectroscopy to determine the resonant response of nanoscale ferromagnets

A Sensitivity Study of the Heating Behavior of Composite Slab during Frame Fire Resistance Test

September 14, 2012

Author(s)

Dilip K. Banerjee

Accurate Gouy phase measurement in an astigmatic optical cavity

September 14, 2012

Author(s)

John R. Lawall, Mathieu Durand, Yicheng Wang

We present measurements of the Gouy phase accumulation for the fundamental mode of an astigmatic Fabry-Perot cavity over 70 % of its stability range. The method is based on simultaneous measurement of the resonant frequencies of the fundamental mode and

BioCTS 2012: Advanced Conformance Test Architectures and Test Suites for Biometric Data Interchange Formats and Biometric Information Records

September 14, 2012

Author(s)

Fernando L. Podio, Dylan J. Yaga, Christofer J. McGinnis

The Computer Security Division of NIST/ITL supports the development of biometric conformance testing methodology standards and other conformity assessment efforts through active technical participation in the development of these standards and the

Colorimetric Detection with Aptamer-Gold Nanoparticle Conjugates: Effect of Aptamer Length on Response

September 14, 2012

Author(s)

Jorge L. Chavez, Robert I. MacCuspie, Nancy Kelley-Loughnane, Morley O. Stone

A riboflavin binding aptamer (RBA) was used in combination with gold nanoparticles (AuNPs) to detect riboflavin in vitro. The RBA-AuNPs responded colorimetrically to the presence of riboflavin and this response could be followed by the naked eye. We used

Guidelines for Access Control System Evaluation Metrics

September 14, 2012

Author(s)

Chung Tong Hu, Karen Scarfone

The purpose of this document is to provide Federal agencies with background information on access control (AC) properties, and to help access control experts improve their evaluation of the highest security AC systems. This document discusses the

In Situ AFM Analysis Investigating Disassembly of DNA Nanoparticles and Nano-films

September 14, 2012

Author(s)

Jenifer L. Blacklock

Synthetic vector based gene delivery continues to gain strength as viable alternatives to viral vectors due to safety and other concerns. DNA release dynamics is key to the understanding and control of gene delivery from nano-systems. Here we describe

Program Plan for the Development of Seismic Design Guidelines for Port Container, Wharf, and Cargo Systems

September 14, 2012

Author(s)

Richard Wittkop, Omar Jarradat, Gayle Johnson, Geoffrey Martin, Glenn Rix, Ian Robertson

Work on this project was intended to be an extension of a National Science Foundation (NSF), George E. Brown, Jr. Network for Earthquake Engineering Simulation (NEES) Grand Challenge project, "Seismic Risk Mitigation for Port Systems," conducted by the

Search for a T-odd, P-even Triple Correlation in Neutron Decay

September 14, 2012

Author(s)

Jeffrey S. Nico, T E. Chupp, K P. Coulter, R L. Cooper, S. J. Freeman, B. K. Fujikawa, A. Garcia, Gordon L. Jones, Hans P. Mumm, Alan K. Thompson, C A. Trull, F. E. Wiefeldt, J. F. Wilkerson

Time-reversal-invariance (T) violation, or equivalently, assuming charge-conjugation-parity-time-reversal (CPT) invariance, CP violation may explain the observed cosmological baryon asymmetry as well as signal physics beyond the Standard Model. In the

UV-induced photochemical transformations of citrate capped silver nanoparticle suspensions

September 14, 2012

Author(s)

Justin M. Gorham, Robert I. MacCuspie, Kate L. Klein, D H. Fairbrother, Richard D. Holbrook

Due to the increasing use of silver nanoparticles (AgNPs) in consumer products, it is essential to understand how variables, such as light exposure, may change the physical and chemical characteristics of AgNP suspensions. To this end, the effect of 300 nm

Absolute interferometric tests of spherical surfaces based on rotational and translational shears

September 13, 2012

Author(s)

Johannes A. Soons, Ulf Griesmann

Traceability of interferometric form measurements requires characterization of the reference wavefront. We investigate absolute tests for spherical surfaces where the form errors of both reference and test surface are estimated by minimizing the difference

Calibrating the sag due to gravity of horizontal interferometer reference flats

September 13, 2012

Author(s)

Ulf Griesmann, Jan Burke

We describe a method for measuring the deflection due to gravity (sag) of horizontally mounted reference flats of phase shifting interferometers. The planarity of a test flat can be measured sag- free while supporting it iso-statically on a suitable visco

Density and Speed of Sound Measurements of Four Bio-derived Fuels

September 13, 2012

Author(s)

Stephanie L. Outcalt, Tara J. Fortin

Compressed-liquid densities and ambient pressure densities and speeds of sound of four biomass-derived fuels have been measured. The compressed-liquid measurements were made from 270 K to 470 K, and 0.5 MPa to 50 MPa. The ambient pressure measurements were

Experimental Study on Tire Fire Penetration into a Motorcoach Passenger Compartment

September 13, 2012

Author(s)

Erik L. Johnsson, Jiann C. Yang

Two full-scale fire experiments were conducted to determine the mode of penetration of a tire fire into the passenger compartment of a motorcoach. A special burner was designed to imitate the frictional heating of hub and wheel metal caused by failed axle

Measurement of Scattering Cross Section with a Spectrophotometer with an Integrating Sphere Detector

September 13, 2012

Author(s)

Lili Wang, Steven J. Choquette, Yu-Zhong Zhang, Victoria Karpiak, Adolfas Gaigalas

A commercial spectrometer with an integrating sphere (IS) detector was used to measure the scattering cross section of microspheres. Analysis of the measurement process showed that two measurements of the extinction, one with the cuvette placed in the

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