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Conferences

Analysis of the Second Phase of the 2013-2014 i-Vector Machine Learning Challenge

September 10, 2015

Author(s)

Desire Banse, G R. Doddington, Craig Greenberg, John M. Howard, Alvin F. Martin, Daniel Garcia-Romero, John J. Godfrey, Jaime Hernandez-Cordero, Lisa Mason, Alan McCree, Douglas A. Reynolds

In late 2013 and 2014, the National Institute of Standards and Technology (NIST) coordinated an i-vector challenge utilizing data from previous NIST Speaker...

FFT-based Alignment of 2d Closed Curves with Application to Elastic Shape Analysis

September 10, 2015

Author(s)

Gunay Dogan, Javier Bernal, Robert Hagwood

For many shape analysis problems in computer vision and scientific imaging (e.g., computational anatomy, morphological cytometry), the ability to align two...

Quantitative tool characterization of a 193 nm scatterfield microscope

September 9, 2015

Author(s)

Martin Sohn, Bryan Barnes, Hui Zhou, Richard Silver

Optical microscope tool characterization has been investigated for the quantitative measurements of deep sub-wavelength features using a Fourier plane...

Assessment of First Generation Performance-Based Seismic Design Methods for New Buildings

September 9, 2015

Author(s)

John L. Harris, Matthew S. Speicher, Siamak Sattar, Anne M. Hulsey, Steven L. McCabe

Calibration procedure for UV-365 integrated irradiance measurements

September 8, 2015

Author(s)

George P. Eppeldauer, Thomas Larason, Robert Vest, Uwe Arp, Howard Yoon

Since the CIE standardized rectangular-shape spectral response function for the 320 nm to 400 nm wavelength range can be realized only with large spectral...

Preliminary study for improving the VIIRS DNB low light calibration accuracy with ground based active light source, Proc. of SPIE Optics and Photonics,

September 8, 2015

Author(s)

Yuqin Zong, XI Shao, Changyong Cao, Yan Bai

There is a growing interest in the science and user community in the Visible Infrared Imaging Radiometer Suite (VIIRS) Day/Night Band (DNB) low light detection...

Standardization of UV LED measurements

September 8, 2015

Author(s)

George P. Eppeldauer, Thomas Larason, Howard Yoon

Traditionally used source spectral-distribution or detector spectral-response based standards cannot be applied for accurate UV LED measurements. Since the CIE...

A Formal Process for Community-based Reference Model Evolution for Smart Manufacturing Systems

September 6, 2015

Author(s)

Boonserm Kulvatunyou, Nenad Ivezic, Farhad Ameri

Service-oriented manufacturing systems need to be supported by formal reference models for effective service description, discovery, and composition. A...

Custom Modification of AFM Tips for Fast, High Force Resolution Single-Molecule Force Spectroscopy

September 5, 2015

Author(s)

Aric W. Sanders, Jaevyn Faulk, Devin T. Edwards, Thomas T. Perkins

In addition to providing the ability to image on the nanoscale, atomic force microscopy (AFM) has the ability to measure small (pN) forces at a single point...

Advances in Materials Science for Environmental and Energy Technologies IV (Preface)

September 4, 2015

Author(s)

Winnie K. Wong-Ng, Josef Matyas, Tatsuki Ohji, Kanakala Raghunath, Gary Pickrell

The Materials Science and Technology 2014 Conference and Exhibition (MS&T14) was held October 12-16, 2014 at the David L. Lawrence Convention Center...

Elasticity of Mass Artifacts in Sinusoidal Force Calibration

September 4, 2015

Author(s)

Akobuije D. Chijioke, John C. Bankert

Dynamic calibration of force transducers using sinusoidal acceleration of load mass objects requires the accurate determination of the displacement field in...

Primary Sinusoidal Calibration of Force Transducers up to 2 Kilohertz

September 4, 2015

Author(s)

Akobuije D. Chijioke, Nicholas A. Vlajic

We report the implementation of a swept-sine dynamic force calibration system at NIST. This system is designed to perform primary calibration of force...

MEASURING PRESSURE AND VACUUM WITH LIGHT: A NEW PHOTONIC, QUANTUM-BASED, PRESSURE STANDARD

September 3, 2015

Author(s)

Jay H. Hendricks, Jacob E. Ricker, Jack A. Stone Jr., Patrick F. Egan, Gregory E. Scace, Gregory F. Strouse, Douglas A. Olson, Donavon Gerty

The future of pressure and vacuum measurement will rely on lasers and Fabry-Perot optical cavities, and will be based on fundamental physics of light...

Towards Unified Perron-Frobenius Framework for Managing Systemic Risk in Networked Systems

September 3, 2015

Author(s)

Vladimir V. Marbukh

Along with economic and convenience benefits, interconnectivity also brings potential risks and drawbacks. System designers and operators are faced with problem...

PROGRESS ON MAGNETIC SUSPENSION FOR THE NIST VACUUM-TO-AIR MASS DISSEMINATION SYSTEM

September 3, 2015

Author(s)

Corey A. Stambaugh, Edward C. Mulhern, Eric C. Benck, Zeina J. Kubarych, Patrick J. Abbott

The redefined kilogram will be realized in vacuum and a method will be required to disseminate the standard to air. NIST has been developing a magnetic...

iNEMI Project on Automotive Electronic Material Challenges

September 3, 2015

Author(s)

Yaw S. Obeng

Automobiles are incorporating more and more electronics from various industry sectors that have not been optimally designed for use inside the vehicle passenger...

Comparing the Linewidths from Single-Pass SPDC and Singly-Resonant Cavity SPDC

September 3, 2015

Author(s)

Oliver T. Slattery, Lijun Ma, Paulina S. Kuo, Xiao Tang

Spontaneous parametric down-conversion (SPDC) is a common method to generate entangled photon pairs for use in quantum communications. The generated single...

Characterizing intimate mixtures of materials in hyperspectral imagery with albedo-based and kernel-based approaches

September 1, 2015

Author(s)

Robert S. Rand, David Allen, Ronald G. Resmini

Linear mixtures of materials in a scene often occur because the pixel size of a sensor is relatively large and consequently they contain patches of different...

Preparedness for Nuclear and Radiological Threats The Value of Standards for Detection of Radioactive Materials

September 1, 2015

Author(s)

Leticia S. Pibida, Anne L. Sallaska

Document and physical standards play a vital role in security applications. Standards allow setting common measurement units, physical quantities and...

EIT Quantum Memory with Cs Atomic Vapor for Quantum Communication

September 1, 2015

Author(s)

Lijun Ma, Oliver T. Slattery, Paulina S. Kuo, Xiao Tang

Quantum memory is a key device in the implementation of quantum repeaters for quantum communications and quantum networks. We demonstrated a quantum memory...

Voltage Metrology Using a Quantum AC Standard

September 1, 2015

Author(s)

Thomas E. Lipe, Joseph R. Kinard Jr., Yi-hua Tang, Samuel P. Benz, Charles J. Burroughs, Paul D. Dresselhaus

We report on the use of a quantum-based AC voltage standard for ac-dc difference metrology at the National Institute of Standards and Technology (NIST). The...

Measurement of oxidatively modified DNA bases and nucleosides by isotope-dilution mass spectrometry

September 1, 2015

Author(s)

Pawel Jaruga

Among cellular structures, the genome is particularly prone to damage, which can result from spontaneous reactions, replication linked failures, or oxidative...

Modest proposals for improving biometric recognition papers

August 31, 2015

Author(s)

James R. Matey, George W. Quinn, Patrick J. Grother, Elham Tabassi, Craig I. Watson, James L. Wayman

We present practical recommendations for improving the clarity, transparency, and usefulness of many biometric papers. Several of the recommendations can be...

DEVELOPING NIST ROCKWELL HARDNESS DIAMOND INDENTER SRMS BASED ON ISO 6508-3:2015 STANDARD

August 30, 2015

Author(s)

Jun-Feng Song, Samuel R. Low III, Thomas B. Renegar, Li Ma

The ISO 6508-3-2005 standard specified a tight tolerance for the cone flank straightness of Rockwell diamond indenters (0.5 μm for maximum). In the recent...

Thermographic Measurements of the Commercial Laser Powder Bed Fusion Process at NIST

August 27, 2015

Author(s)

Brandon M. Lane, Shawn P. Moylan, Eric P. Whitenton, Li Ma

Measurement of the high-temperature melt pool region in the laser powder bed fusion (L-PBF) process is a primary focus of researchers to further understand the...

Development of powder bed fusion additive manufacturing test bed for enhanced real time process control

August 27, 2015

Author(s)

Mihaela L. Vlasea, Brandon M. Lane, Felipe F. Lopez, Sergey Mekhontsev, M A. Donmez

Laser powder bed fusion (PBF) is emerging as the most popular additive manufacturing (AM) method for producing metallic components based on the flexibility in...

High Throughput Screening of Substrates for Synthesis and Functionalization of 2D Materials

August 26, 2015

Author(s)

Arunima Singh, Albert Davydov, Kiran Mathew, Richard G. Hennig, Francesca M. Tavazza

Several 2D materials have been synthesized experimentally, but many theoretically predicted 2D materials are yet to be synthesized. Here, we will review a...

Forces and dynamics of optically levitated polystyrene particles in air using electrostatic modulation

August 25, 2015

Author(s)

Haesung Park, Thomas W. LeBrun

We demonstrate the simultaneous measurement of optical trap stiffness and quadrant-cell photodetector (QPD) calibration of optically trapped polystyrene...

Standards Landscape and Directions for Smart Manufacturing Systems

August 24, 2015

Author(s)

Yan Lu, Katherine C. Morris, Simon P. Frechette

The future of manufacturing lies in being able to adapt quickly to changing conditions. From smaller lot sizes, to more customization, to sudden changes in...

Hitting the bounds of chemistry: Limits and tradeoffs for low-GWP refrigerants.

August 19, 2015

Author(s)

Mark McLinden, J. Steven Brown, Andrei Kazakov, Piotr Domanski

We explore the possibilities for low-GWP refrigerants through two approaches. First, we explore the performance of hypothetical refrigerants to define the...

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