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Displaying 16426 - 16450 of 143740

Structural Insights into DNA-Stabilized Silver Clusters

May 10, 2019
Author(s)
Danielle Schultz, Robert G. Brinson, Fahriye N. Sari, Jeffrey Fagan, Christina Bergonzo, Nancy Lin, Joy Dunkers
The structure and dynamics of Ag complexes derived from single stranded DNA (ssDNA) is less understood than their double stranded (dsDNA) counterparts despite their great promise as fluorescent biological probes and sensors. In this work, we seek new

Towards a source of entangled photon pairs in gallium phosphide

May 9, 2019
Author(s)
Paulina S. Kuo, Peter G. Schunemann, Mackenzie Van Camp, Varun B. Verma, Thomas Gerrits, Sae Woo Nam, Richard P. Mirin
We investigate parametric down-conversion in orientation-patterned GaP. Pumped at 865 nm, the signal and idler are at 1350 nm and 2400 nm, respectively.

Towards Standard Exoskeleton Test Methods for Load Handling

May 9, 2019
Author(s)
Roger V. Bostelman, Ya-Shian Li-Baboud, Ann Virts, Soocheol Yoon, Mili Shah
Exoskeletons are now being marketed by several manufacturers and yet there are currently no standard test methods to compare exoskeletons to task. The National Institute of Standards and Technology (NIST) has been a key contributor to the formation of a

Imaging topology of Hofstadter ribbons

May 8, 2019
Author(s)
Ian B. Spielman, Dina Genkina, Alina M. Pineiro Escalera, Hsin-I Lu, Lauren Aycock
Physical systems with non-trivial topological order find direct applications in metrology[1] and promise future applications in quantum computing[2,3]. The quantum Hall effect derives from transverse conductance, quantized to unprecedented precision in

Resonant acoustic nonlinearity and loss in additively manufactured stainless steel

May 8, 2019
Author(s)
Ward L. Johnson, Justin G. Whiting, Felix H. Kim, Paul R. Heyliger, Nikolas W. Hrabe
Resonant acoustic nonlinearity and loss in additively manufactured stainless steel were measured with the aim of assessing the potential of such measurements for nondestructively sensing defects that degrade mechanical performance. The material was

A NIST Testbed for Examining the Accuracy of Smart Meters under High Harmonic Waveform Loads

May 7, 2019
Author(s)
Richard L. Steiner, Michael P. Farrell, Shannon Edwards, Thomas L. Nelson, Joni Ford, Sumaiyah Sarwat
Household and industrial electrical energy measurements are advancing into a Smart Grid stage, using solid-state watthour meters with communication capability, called Smart meters. As electrical products become heavily based on solid-state designs, such as

A Reference Schema for the Unit Manufacturing Process Information Model

May 7, 2019
Author(s)
William Bernstein, David Lechevalier
This document presents supporting documentation for a reference implementation of the Unit Manufacturing Process (UMP) information model presented in ASTM E3012, Standard Guide for Characterizing Environmental Aspects of Manufacturing Processes. A version

Generating polarization-entangled photon pairs in domain-engineered PPLN

May 7, 2019
Author(s)
Paulina S. Kuo, Varun B. Verma, Thomas Gerrits, Sae Woo Nam, Richard P. Mirin
Using a periodically poled LiNbO3 crystal that is domain-engineered for two simultaneous type-II down-conversion processes, we demonstrated polarization-entangled photon-pair generation.

Integrated transition edge sensors on lithium niobate waveguides

May 7, 2019
Author(s)
Thomas Gerrits, Adriana Lita, Richard Mirin, Sae Woo Nam, Jan P. Hoepker, Stephan Krapick, Harald Herrmann, Raimund Ricken, Victor Quiring, Christine Silberhorn, Tim J. Bartley
We show the proof-of-principle detection of light at 1550 nm coupled evanescently from a lithium niobate waveguide to a superconducting transition edge sensor. The coupling efficiency strongly depends on the polarization, the overlap between the evanescent
Displaying 16426 - 16450 of 143740
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