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Conferences

Thermodynamic Analysis of Cascade Microcryocoolers with Low Pressure Ratios

June 17, 2013

Author(s)

Ray Radebaugh

The vapor-compression cycle for refrigeration near ambient temperature achieves high efficiency because the isenthalpic expansion of the condensed liquid is a...

Full-spectrum optical-beam-induced current for solar cell microscopy and multi-junction characterization

June 16, 2013

Author(s)

Tasshi Dennis

The design and application of a novel solar simulator based on a high-power, super-continuum laser is described in this work. The simulator light was focused to...

Radio-Frequency and DC Electrical Characterization on a Modular MEMS Mechanical Test Platform for Nanomaterials

June 16, 2013

Author(s)

J. J. Brown, Thomas Mitchell (Mitch) Wallis, Pavel Kabos, Kristine A. Bertness, Norman Sanford, Victor Bright

In order to enable radio frequency (RF) data collection from a micromechanical system designed to strain nanomaterials, a coplanar electrical waveguide has been...

Incorporating Adult Learning Methods and Project Based Learning in Laboratory Metrology Courses

June 15, 2013

Author(s)

Georgia L. Harris

Measurement scientists work in calibration laboratories throughout the world. Yet, there are few university level courses available that cover the critical...

CHARACTERIZING ENERGY CONSUMPTION OF THE INJECTION MOLDING PROCESS

June 14, 2013

Author(s)

Jatinder Madan, Mahesh Mani, Kevin W. Lyons

Presently available systems for sustainability assessment do not fully account for aspects related to a products manufacturing. In an effort to make more...

SemEval-2013 Task 7: The Joint Student Response Analysis and 8th Recognizing Textual Entailment Challenge

June 14, 2013

Author(s)

Myroslava Dzikovska, Rodney Nielsen, Chris Brew, Claudia Leacock, Danilo Giampiccolo, Luisa Bentivogli, Peter Clark, Ido Dagan, Hoa T. Dang

We present the results of the Joint Student Response Analysis and 8th Recognizing Textual Entailment Challenge, aiming to bring together researchers in...

MEMS Device for Fatigue Testing of 25 µm Thick Aluminum Specimens

June 13, 2013

Author(s)

Li-Anne Liew, David T. Read, Nicholas Barbosa

We report the development and demonstration of a MEMS test instrument to perform fatigue testing on 25 µm thick aluminum 1145 H19 foil. Both the foil material...

Open-Path Dual-Comb Spectroscopy of Greenhouse Gases

June 9, 2013

Author(s)

Greg B. Rieker, Fabrizio R. Giorgetta, William C. Swann, Ian R. Coddington, Laura C. Sinclair, Christopher L. Cromer, Esther Baumann, Alexander M. Zolot, Nathan R. Newbury

Frequency-comb spectroscopy in the near-infrared is used to measure atmospheric CO2 and H2O concentrations over a 2-km outdoor open-air path. This technique...

Efficient, low-noise, single-photon frequency conversion

June 9, 2013

Author(s)

Paulina S. Kuo, Jason S. Pelc, Oliver T. Slattery, Yong-Su Kim, M. M. Fejer, Xiao Tang

We demonstrate simultaneous low-noise and efficient frequency conversion in a periodically poled LiNbO3 waveguide with spectral filtering. We achieve >50%...

Stabilization of the offset frequency of an all polarization-maintaining fiber erbium frequency comb

June 9, 2013

Author(s)

Laura C. Sinclair, Ian R. Coddington, William C. Swann, Nathan R. Newbury

We demonstrate a completely polarization-maintaining fiber frequency comb operating at a 200 MHz repetition rate and show initial phase-locking of the carrier...

Free-space optical time-frequency transfer over 2 km

June 9, 2013

Author(s)

William C. Swann, Fabrizio R. Giorgetta, Laura C. Sinclair, Esther Baumann, Ian R. Coddington, Nathan R. Newbury

Precision free-space time-frequency transfer could advance fields where present microwave-based transfer is inadequate. We demonstrate an optical free-space...

Automatic Clustering of Multipath Arrivals in Radio-Frequency Channels using Kurtosis

June 9, 2013

Author(s)

Camillo A. Gentile

In wireless propagation, the multipath arrivals of a transmitted signal appear clustered at the receiver. Because the notion of clusters tends to be intuitive...

The Impact of Characteristic Impedance on Waveform Calibrations

June 7, 2013

Author(s)

Dylan F. Williams, Jeffrey A. Jargon, Paul D. Hale

We examine the impact of the characteristic impedance on mismatch corrections for temporal waveform calibrations based on high-speed electro-optic sampling...

Uncertainties in Complex Permittivity Extraction From Coplanar Waveguide Scattering-parameter Data

June 7, 2013

Author(s)

Uwe Arz, Dylan Williams

We analyze the uncertainties of a complex permittivity extraction procedure based on uncorrected scatteringparameter measurements of coplanar waveguides of...

SHREC13 Track: Large Scale Sketch-Based 3D Shape Retrieval

June 6, 2013

Author(s)

Afzal A. Godil, Bo Li , Yijuan Lu, Tobias Schreck

Sketch-based 3D shape retrieval has become an important research topic in content-based 3D object retrieval. The aim of this track is to measure and compare the...

A Precision Millimeter-Wave Modulated-Signal Source

June 6, 2013

Author(s)

Catherine A. Remley, Paul D. Hale, Dylan F. Williams, Chih-Ming Wang

We develop and characterize a modulated-signal source for use at millimeter-wave frequencies. Components within the source are phase locked by a 10 GHz...

Practical Challenges When Implementing a Distributed Population of Cloud-Computing Simulators Controlled by a Genetic Algorithm

June 4, 2013

Author(s)

Kevin L. Mills, Christopher E. Dabrowski, Darrin J. Santay

The recent explosion of affordable multicore, multichip systems, coupled with cluster management software, encourages the development of novel distributed...

A REFERENCE MEASUREMENT SYSTEM FOR ELECTROSHOCK WEAPONS

June 3, 2013

Author(s)

Nicholas G. Paulter Jr., Donald R. Larson

We have developed a measurement system to accurately measure the electrical current and high-voltage output of electroshock weapons (ESW) that are used to...

Dynamic Response of Metals Subject to Rapid DC Current Pulses

June 3, 2013

Author(s)

Steven P. Mates, Graham Cullen, Eran Vax, Eli Marcus, Brad Kinsey

Recent investigations indicate that metals will deform plastically at much lower stress levels when subject to high density DC currents due to an influence of...

Effect of Organic SAMs on the Evolution of Strength of Silicon Nanostructures

June 3, 2013

Author(s)

Scott Grutzik, Brian G. Bush, Frank W. DelRio, Richard S. Gates, Melissa Hines, Alan Zehnder

The ability to accurately predict the strength of nanoscale, single crystal structures is critical in micro- and nano-electromechanical systems (MEMS and NEMS)...

Single fiber tensile properties measured by the Kolsky bar using Direct fiber clamping method

June 1, 2013

Author(s)

Jae Hyun Kim, Nathanael A. Heckert, Walter G. McDonough, Kirk D. Rice, Gale A. Holmes

The Kolsky bar test has been widely used in measuring material behavior under high strain rate conditions. In particular, polymers used in ballistic...

Traceability for Aerosol Electrometer in the fA Range

June 1, 2013

Author(s)

Dean G. Jarrett, Miles Owen

Described here are the configurations and procedures used to provide traceability to electrical standards for an aerosol electrometer calibration in the range ±...

Traceability for Aerosol Electrometer in the fA Range

June 1, 2013

Author(s)

Dean G. Jarrett, Miles Owen

Described here are the configurations and procedures used to provide traceability to electrical standards for an aerosol electrometer calibration in the range ±...

A General Conformance Testing Framework for IEEE 11073 PHD's Communication Model

May 31, 2013

Author(s)

Raghu N. Kacker, Linbin Yu, Yu Lei, David R. Kuhn, Ram D. Sriram, Kevin G. Brady

ISO/IEEE 11073 Personal Health Data (IEEE 11073 PHD) is a set of standards that addresses the interoperability of personal healthcare devices. As an important...

Reliability Monitoring For Highly Leaky Devices

May 31, 2013

Author(s)

Jason Ryan, Jason Campbell, Kin Cheung, John S. Suehle, Richard Southwick, Anthony Oates

We demonstrate a new charge pumping (CP) methodology, frequency modulated CP (FMCP), that robustly treats metrology challenges associated with high gate leakage...

AlGaAs Composition Standards at NIST

May 30, 2013

Author(s)

Kristine A. Bertness

High-accuracy comparison standards for Al mole fraction x in AlxGa1xAs have been available at NIST since 2006 via the Standard Reference Material (SRM) program...

Gigahertz-gated InGaAs SPAD system with avalanche charge sensitivity approaching the fundamental limit

May 29, 2013

Author(s)

Alessandro Restelli, Joshua C. Bienfang, Alan L. Migdall

We present an InGaAs/InP single-photon detection system operating at 1.25 GHz with detection efficiency above 50 % and per-gate afterpulse probability, measured...

Reflectance measurements of human skin from the ultraviolet to the shortwave infrared (250 nm to 2500 nm)

May 29, 2013

Author(s)

Catherine C. Cooksey, David W. Allen

While published literature of the optical properties of human skin is prevalent for the visible region, data are sparse in the ultra violet and shortwave...

Practical Strategies for QKD Key Production

May 28, 2013

Author(s)

Alan Mink, Anastase Nakassis

We present the quantum key distribution (QKD) secure key ratio expression in a form that exposes the parameters that affect the Reconciliation (error correction...

Use of RF-Based Technique as a Metrology Tool for TSV Reliability Analysis

May 28, 2013

Author(s)

Chukwudi A. Okoro, Yaw S. Obeng, Jan Obrzut, Pavel Kabos, Klaus Hummler

In this work, we used radio frequency (RF) based measurement technique is used as a prognostic tool for the assessment of the effect of thermal cycling on the...

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