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Conferences

Statistical and Spatio-temporal Data Features in Melt Pool Monitoring of Additive Manufacturing

May 23, 2022

Author(s)

Brandon Lane, Ho Yeung, Zhuo Yang

Co-axial melt pool monitoring is an in-situ method applied in laser-powder bed fusion (LPBF) processes which uses a high-speed camera optically aligned with the

Validation of a multi-frequency differential absorption LIDAR (DIAL) system from aerosol and cloud retrievals

May 20, 2022

Author(s)

Jasper Stroud, David Plusquellic

A ten wavelength DIAL system based on a 100 Hz optical parametric oscillator (OPO) is used to simultaneously acquire range-resolved and integrated path dry-air

Online Service Caching and Routing at the Edge with Unknown Arrivals

May 20, 2022

Author(s)

Siqi Fan, I-Hong Hou, Van Sy Mai, Lotfi Benmohamed

Range resolved CO2 measurements over 3 km using a 10-point fiber-based differential-absorption LIDAR (DIAL) system

May 20, 2022

Author(s)

Jasper Stroud, David Plusquellic

We present a multi-frequency DIAL system based on a fast-switching wavelength source and fiber optic amplification to acquire range-resolved dry-air CO2

Dual Chirped-Pulse Electro-Optic Comb Generation in the THz Region: Spanning the Spectroscopic and Quantum Dynamics Domains

May 20, 2022

Author(s)

Jasper Stroud, David Plusquellic

A new THz difference-frequency chirped-pulse dual-comb method based on electro-optic phase modulators (EOMs) and two near-visible continuous wave lasers is used

Electro-Optically Derived Arbitrary Millimeter-Wave Sources with 100 GHz of Bandwidth

May 20, 2022

Author(s)

Bryan Bosworth, Nick Jungwirth, Kassiopeia Smith, Jerome Cheron, Franklyn Quinlan, Madison Woodson, Jesse Morgan, Andreas Beling, Ari Feldman, Dylan Williams, Nate Orloff, Chris Long

We demonstrate fine phase and amplitude control of millimeter waves, measured on-wafer using an electro-optic frequency comb, programmable spectral filter, and

Deep Learning for Path Loss Prediction in the 3.5 GHz CBRS Spectrum Band

May 19, 2022

Author(s)

Thao T. Nguyen, Raied Caromi, Kassem Kallas

In the 3.5 GHz citizen broadband radio service (CBRS) band, accurate path loss prediction is very important to protect the incumbent from harmful interference

Development and Analysis of a Database of Tornado Impacts on U.S. Critical Facilities

May 17, 2022

Author(s)

Nicholas de Toledo, Marc Levitan, Jamil Malik, Warren Stewart, Katherine Johnson, Patrick Crawford

Despite the significant hazard that tornadoes pose, much remains to be learned about the impacts of tornadoes on critical facilities in the United States. While

Simultaneous measurement of outdoor O2, CO2, and CH4 with a dual-comb spectrometer.

May 16, 2022

Author(s)

Nathan Malarich, Brian Washburn, Kevin Cossel, Fabrizio Giorgetta, Brett DePaola, Steven Welch, Eduardo Santos, Nathan R. Newbury, Ian Coddington

We configure a fiber dual-comb spectrometer to measure the O2 delta band (1260 nm) in addition to CO2 and CH4 absorption features (1600 nm).

Multi-User MIMO Enabled Virtual Reality in IEEE 802.11ay WLAN

May 16, 2022

Author(s)

Jiayi Zhang, Steve Blandino, Neeraj Varshney, Jian Wang, Camillo Gentile, Nada T. Golmie

Virtual reality (VR) coupled with 360° video has been used in a variety of areas, including gaming, remote learning, and healthcare, among others. The 360°

Absorption-Based Ranging from Ambient Thermal Radiation without Known Emissivities

May 15, 2022

Author(s)

Unay Dorken Gallastegi, Hoover Rueda-Chacon, Marty Stevens, Vivek Goyal

We present passive absorption-based ranging using long-wave infrared hyperspectral measurements of an outdoor scene. Regularization and parametric modeling of

Time Programmable Frequency Comb

May 15, 2022

Author(s)

Emily Caldwell, Laura Sinclair, Nathan R. Newbury, Jean-Daniel Deschenes

We demonstrate a programmable optical frequency comb that emits coherent pulses with user-specified time and phase at sub-10 attosecond accuracy while

Graphene Quantum Electrical Metrology for National Measurement Standards

May 13, 2022

Author(s)

Randolph Elmquist, Swapnil Mhatre, Alireza Panna, Albert Rigosi, Dinesh Patel, Mattias Kruskopf

Challenges for 5G and Beyond

May 11, 2022

Author(s)

Jelena Senic

In this paper, we discuss some challenges for 5G-and-beyond communications systems based on our measurements conducted with millimeter-wave (mmWave) channel

Evaluate Peak Usage Reduction of a Multi-round Real-time Pricing Model Using Co-simulation

May 9, 2022

Author(s)

Chenli Wang, Thomas Roth, Cuong Nguyen

The widespread deployment of distributed energy resources (DERs) makes energy demand and generation more dynamic than before. The most prominent existing

White Rabbit-assisted quantum network node synchronization with quantum channel coexistence

May 7, 2022

Author(s)

Thomas Gerrits, Ivan Burenkov, Ya-Shian Li-Baboud, Anouar Rahmouni, DJ Anand, FNU Hala, Oliver T. Slattery, Abdella Battou, Sergey Polyakov

We show that the Ethernet-based time transfer protocol 'White Rabbit' can synchronize two distant quantum-networked nodes to within 4 ps, enabling HOM

A self-validated detector for characterization of quantum network components

May 7, 2022

Author(s)

Anouar Rahmouni, Thomas Gerrits, Alan Migdall, Oliver T. Slattery, Ping-Shine Shaw, Joseph P. Rice

We are developing a nearly polarization-independent, low-cost optical trap detector between 1000 nm and 1550 nm for optical power measurements. A NIST-traceable

New Reference Equation of State for Carbon Dioxide

May 6, 2022

Author(s)

Allan Harvey, Eric Lemmon

For carbon dioxide, the current reference for thermodynamic properties is the equation of state (EOS) of Span and Wagner published in 1996. While the Span

Investigating Uncertainty in the Relationship between Indoor Steady-State CO2 Concentrations and Ventilation Rates

May 4, 2022

Author(s)

Andrew Persily, Constanza Molina, Jones Benjamin

The steady state concentration of occupant generated carbon dioxide (CO2) is used in some applications as an indicator of compliance with a required ventilation

Incident Streams 2021 off the Deep End: Deeper Annotations and Evaluations in Twitter

May 2, 2022

Author(s)

Cody Buntain, Richard McCreadie, Ian Soboroff

This paper summarizes the final year of the four-year Incident Streams track (TREC-IS), which has produced a large dataset comprising 136,263 annotated tweets

Generating Cyber-Physical System Risk Overlays for Attack and Fault Trees using Systems Theory

April 28, 2022

Author(s)

Matthew Jablonwski, Duminda Wijesekera, Anoop Singhal

We describe a formalized systems theoretic method for creating cyber-physical system (CPS) risk overlays that augment existing tree-based models used in CPS

Initial Study of the distributed cavity phase shift for the new microwave cavities of Cs fountains at NIST

April 24, 2022

Author(s)

Gregory Hoth, Bijunath Patla, Neil Ashby, Vladislav Gerginov

The microwave cavities of NIST-F1, the cesium fountain primary frequency standard at the National Institute of Standards and Technology (NIST), have been

Photon Efficient Optical Time Transfer

April 24, 2022

Author(s)

Emily Caldwell, Laura Sinclair, William C. Swann, Nathan R. Newbury, Benjamin Stuhl, Jean-Daniel Deschenes

We present a novel frequency comb-based system for optical two-way time-frequency transfer to support very long distance free-space links between clocks. Our

What's the Fuss: The Excitement, Prospects and Software/Hardware Challenges of Distributing Entanglement over a Quantum Network

April 13, 2022

Author(s)

Neil M. Zimmerman

In this paper, I review the notion of a quantum network, which I define as one that can distribute entanglement between stationary qubits, and then discuss

Combination Frequency Differencing for Identifying Design Weaknesses in Physical Unclonable Functions

April 4, 2022

Author(s)

charles prado, vinay patil, Raghu N. Kacker, D. Richard Kuhn, M S Raunak

Combinatorial coverage measures have been defined and applied to a wide range of problems. These methods have been developed using measures that depend on the

Circular Economy: A Product Life Cycle Perspective on Engineering and Manufacturing Practices

April 4, 2022

Author(s)

Maya Reslan, Noah Last, Nehika Mathur, KC Morris, Vincenzo Ferrero

Realization of a Circular Economy is paramount to solving global challenges in resource scarcity, sustainable manufacturing, and supply chain uncertainty. A

Comparing Cr-Doped Bismuth Telluride to Graphene for Quantum Hall Standards

April 1, 2022

Author(s)

Albert Rigosi

INTEGRAL APPROACH TO ESTIMATION OF TENSILE STRAIN CAPACITY IN STRAIN BASED DESIGN

March 31, 2022

Author(s)

Dash Weeks, Reza Hirmand, William Tyson, Su Xu

This paper revisits previous numerical predictions and experimental measurements of tensile strain capacity (TSC) in curved wide plate (CWP) specimens. The work

Comparative Verification & Validation of Digital Mathematical Libraries and Computer Algebra Systems

March 30, 2022

Author(s)

Howard Cohl, Abdou Youssef, Andre Greiner Petter, Moritz Schubotz, Bela Gipp, Akiko Aizawa, Avi Trost, Rajen Dey

Digital Mathematical Libraries assemble the knowledge of years of mathematical research. Numerous disciplines (e.g., physics, engineering, pure and applied

Measurements of IP3 and P1dB for Spectrum Monitoring with Software Defined Radios

March 30, 2022

Author(s)

Mike McNulty, Dazhen Gu, Dan Kuester, Payam Nayeri

This paper discusses methodology for characterizing linearity summary parameters of software-defined radio receivers. First, we introduce a highly automated

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