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Conferences

Binary pseudorandom array test standard optimized for characterization of large field-of-view optical interferometers

August 24, 2020

Author(s)

Valeriy V. Yashchuk, Sergey Babin, Stefano Cabrini, Weilun Chao, Ulf Griesmann, Ian Lacey, Stefano Marchesini, Keiko Munechika, Carlos Pina-Hernandez, Allen L. Roginsky

Recently, a technique for calibrating the modulation transfer function (MTF) of a broad variety of metrology instrumentation has been demonstrated. This

Josephson Arbitrary Waveform Synthesizer as a Reference Standard for the Calibration of Lock-in Amplifiers

August 24, 2020

Author(s)

Dimitrios Georgakopoulos, Ilya F. Budovsky, Samuel Benz

We have extended the voltage range of the Josephson arbitrary waveform synthesizer from 1 mV down to 1 μV at frequencies from 60 Hz to 1 kHz to calibrate

Zero-Compensation Josephson Arbitrary Waveform Synthesizer at 1.33 V

August 24, 2020

Author(s)

Nathan E. Flowers-Jacobs, Akim Babenko, Anna E. Fox, Justus A. Brevik, Paul D. Dresselhaus, Samuel P. Benz

This paper describes the generation of a quantum-based rms output voltage of 1.332 V using an ac-coupled Josephson Arbitrary Waveform Synthesizer (JAWS) without

Compact DC Josephson Voltage Standard

August 24, 2020

Author(s)

Alain Rufenacht, Anna E. Fox, Grace E. Butler, Charles J. Burroughs, Paul D. Dresselhaus, Robert E. Schwall, Stefan Cular, Samuel P. Benz

This paper presents precision measurements with a prototype cryogen-liquid-free DC Josephson voltage standard that produces a 1 V maximum output. Its cryostat

Calibration of an AC Voltage Source Using a Josephson Arbitrary Waveform Synthesizer at 4 V

August 24, 2020

Author(s)

Nathan E. Flowers-Jacobs, Alain Rufenacht, Anna E. Fox, Paul D. Dresselhaus, Samuel P. Benz

This paper describes a method for calibrating an ac source using a Josephson Arbitrary Waveform Synthesizer (JAWS) by summing the sources in series and tuning

On Data Integrity Attacks against Industrial Internet of Things

August 24, 2020

Author(s)

Hansong Xu, Wei Yu, Xing Liu, David W. Griffith, Nada T. Golmie

Industrial Internet of Things (IIoT) is predicted to drive the fourth industrial revolution through massive interconnection of industrial devices, such as

Ultrafast waveform metrology: A first international comparison

August 24, 2020

Author(s)

Mark Bieler, Paul Struszewski, Ari Feldman, Jeffrey Jargon, Paul D. Hale, Pengwei Gong, Wen Xie, Chuntao Yang, Zhigang Feng, Kejia Zhao, Zhijun Yang

We report on the first international comparison in ultrafast waveform metrology. To this end, the frequency and time responses of a photodiode with a nominal

Photodiode Calibration Comparison between Electro-Optic Sampling and Heterodyne Measurements up to 75 GHz

August 24, 2020

Author(s)

Ari D. Feldman, Jeffrey A. Jargon, Tasshi Dennis, Paul D. Hale

We present the first-ever comparison of a photodiodes measured frequency response calibrated with an electro-optic sampling system and a heterodyne system up

Measurement of the magnet system for the QEMMS

August 22, 2020

Author(s)

Rafael Marangoni, Darine El Haddad, Frank C. Seifert, Leon S. Chao, David B. Newell, Stephan Schlamminger

Design of the Kibble balance for the QEMMS

August 22, 2020

Author(s)

Rafael Marangoni, Darine El Haddad, Frank C. Seifert, Leon S. Chao, Jon R. Pratt, David B. Newell, Stephan Schlamminger

The Design of an Instrument to Realize Small Torque at NIST

August 22, 2020

Author(s)

Leon S. Chao, Rafael Marangoni, Frank C. Seifert, Darine El Haddad, Jon R. Pratt, David B. Newell, Stephan Schlamminger

After the recent redefinition of the International System of Units (SI), torque no longer needs to be traceable to a calibrated mass in a gravitational field

Triplet exciton impact on photocurrent in diF TES ADT single crystal transistors

August 22, 2020

Author(s)

Emily G. Bittle, Sebastian Engmann, Adam J. Biacchi, Emma Holland, John Anthony

Ultra-low landing energy scanning electron microscopy for nanoengineering applications and metrology

August 21, 2020

Author(s)

Michael T. Postek, Andras Vladar, Dianne L. Poster, Atsushi Muto, Takeshi Sunaoshi

A new and exciting imaging technique being applied to thin films, nanocoatings, nanogels, and nanoparticle analysis is ultra-low accelerating voltage or ultra

Direct method of extracting complex refractive index from routine Fourier transform infrared reflectance/transmittance measurements

August 20, 2020

Author(s)

Braden E. Czapla, Leonard M. Hanssen

We describe an algorithm to extract the complex refractive index of a material from reflectance and transmittance measurements commonly taken by

Linking Performance Data and Geospatial Information of Manufacturing Assets through Standard Representations

August 16, 2020

Author(s)

Aaron Hanke, Teodor Vernica, William Z. Bernstein

Interoperability across emerging visualization modalities, including augmented reality (AR) and virtual reality (VR), remains a challenge with respect to

MEASURED DATA ALIGNMENTS FOR MONITORING METAL ADDITIVE MANUFACTURING PROCESSES USING LASER POWDER BED FUSION METHODS

August 16, 2020

Author(s)

Shaw C. Feng, Yan Lu, Albert W. Jones

The number and types of measurement devices used for monitoring and controlling laser powder bed fusion (LPBF) processes and inspecting the resulting AM metal

Hybrid Modeling Approach for Melt Pool Prediction in Laser Powder Bed Fusion Additive Manufacturing

August 16, 2020

Author(s)

Tesfaye M. Moges, Zhuo Yang, Kevontrez K. Jones, Shaw C. Feng, Paul W. Witherell, Yan Lu

Multi-scale multi-physics computational models are a promising tool to provide detailed insights to understand the process-structure-property-performance

3D BUILD MELT POOL PREDICTIVE MODELING FOR POWDER BED FUSION ADDITIVE MANUFACTURING

August 16, 2020

Author(s)

Zhuo Yang, Yan Lu, Ho Yeung, Sundar Krishnamurty

Melt pool size is a critical intermediate measure that reflects the outcome of a laser powder bed fusion process setting. Reliable melt pool predictions prior

Standardizing environmental performance evaluation of manufacturing systems through ISO 20140

August 6, 2020

Author(s)

Hitoshi Komoto, William Z. Bernstein, Soonjo Kwon, Fumihiko Kimura

Standards play a critical role in the realization of more sustainable practices in manufacturing systems. This is especially critical considering the trends in

An automated workflow for integrating sustainability assessment into parametric part design through standard reference models

August 6, 2020

Author(s)

William Z. Bernstein, Melissa Tensa, Maxwell Praniewicz, Soonjo Kwon, Deverajan Ramanujan

Integrating environmental sustainability assessment into parametric design represents an important opportunity for enabling sustainable product design. However

CAgen: A fast combinatorial test generation tool with support for constraints and higher-index arrays

August 4, 2020

Author(s)

Raghu N. Kacker, David R. Kuhn

In recent years, combinatorial testing methods have been successfully applied to test systems with a large number of input parameters. Generating combinatorial

Over-the-Air Testing of Cellular Large-Form-Factor Internet-of-Things Devices in Reverberation Chambers

August 4, 2020

Author(s)

Catherine A. Remley, Clive Bax, Edwin Mendivil, Michael Foegelle, John Kvarnstrand, Derek Skousen, David S?nchez-Hern?ndez, Miguel Garcia-Fernandez, Lorien Chang, Elvis Yen, Johnny Gutierrez, Justin Harbour

We demonstrate the applicability of the reverberation chamber for over-the-air testing of power- based metrics for cellular-enabled wireless internet-of-things

A Document-based View of the Risk Management Framework

August 3, 2020

Author(s)

Joshua Lubell

Cybersecurity professionals know the Risk Management Framework as a rigorous yet flexible process for managing security risk. But the RMF lacks a document focus

Aggregating Atomic Clocks for Time-Stamping

August 3, 2020

Author(s)

Temur Saidkhodjaev, Jeff Voas, D. Richard Kuhn, Joanna DeFranco, Phil Laplante

A timestamp is a critical component in many applications, such as proof of transaction ordering or analyzing algorithm performance. This paper reports on a

FIB-SEM tomography and its application towards understanding aerosol optical properties of atmospheric dust particles

July 30, 2020

Author(s)

Diana Ortiz-Montalvo, Robert D. Willis, Joseph M. Conny

Atmospheric dust particles have complex morphologies as observed in scanning electron microscopy (SEM) images. Yet, despite their non-spherical shape and the

Correcting Systematic Energy Deficits in the Laser-Pulsed Atom Probe Mass Spectrum of SiO2

July 30, 2020

Author(s)

Benjamin W. Caplins, Paul T. Blanchard, Ann C. Chiaramonti Debay, David R. Diercks, Luis Miaja Avila, Norman A. Sanford

Operando Scanning Electron and Microwave Microscopies in Plasmas: A Comparative Analysis

July 30, 2020

Author(s)

Andrei A. Kolmakov, Alexander Tselev

There exists a great need for an operando nanoscale characterization of evolution of surface composition and morphology during plasma-assisted processing. This

Effect of Precrack Configuration and Texture Variation on the Elastic-Plastic Fracture Toughness of Additively Manufactured Ti-6Al-4V parts

July 28, 2020

Author(s)

Enrico Lucon, Jake Benzing, Nik Hrabe

A comparison between fatigue precracked and sharp-notched Charpy-type fracture toughness specimens will be presented for characterizing the elastic-plastic

Systems security assurance as (micro) publishing: Declarative markup for systems description and assessment

July 27, 2020

Author(s)

Wendell A. Piez

Markup technologies are very general purpose, as reflects their generality of conception. They become interesting as well as useful as they are applied to

Working Fluid Screening for Ocean Thermal Energy Conversion (OTEC) Applications

July 27, 2020

Author(s)

Ian H. Bell

Ocean Thermal Energy Conversion (OTEC) is among the small number of renewable energy production systems that can provide base load capacity. Ammonia has long

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