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NIST Authors in Bold

Displaying 3076 - 3100 of 3645

Multispectral MR imaging and sensing using shaped nanoparticles

November 26, 2016

Author(s)

Gary Zabow

… shape can determine color is well known in optics-based quantum dot and plasmonic nanoparticle fields. But what about …

A Programmable Solar Simulator for Realistic Seasonal, Diurnal, and Air-Mass Testing of Multi-Junction Concentrator Photovoltaics

June 4, 2016

Author(s)

Tasshi Dennis, chanud yasanayake, Tim Gerke, Alex Payne, Lars Eng, brent fisher, Matt Meitl

… both measured and theoretical spectra and representative quantum efficiency curves. …

Improved electronic measurement of the Boltzmann constant by Johnson noise Thermometry

August 19, 2015

Author(s)

Weston L. Tew, Samuel P. Benz, Horst Rogalla, Alessio Pollarolo, David R. White, Jifeng Qu, Kunli Zhou

… in a triple-point-of-water cell to the noise power of a quantum-accurate pseudo-random noise waveform of nominally …

Frequency-tunable Superconducting Resonators via Nonlinear Kinetic Inductance

August 13, 2015

Author(s)

Michael Vissers, Johannes Hubmayr, Jiansong Gao, Martin Sandberg, Saptarshi Chaudhuri, Clint Bockstiegel

… a tunable filter and find applications in superconducting quantum computing and measurement. It also provides a useful …

Advances in the Development of OpenCalphad Software and Databases

June 28, 2015

Author(s)

Bo Sundman, Ursula R. Kattner, Mauro Palumbo, Suzana G. Fries

… platform for linking experiments and theoretical, quantum mechanics based results thereby greatly contributing …

Interface-State Capture Kinetics by Variable Duty Cycle Charge Pumping

April 27, 2015

Author(s)

Asahiko Matsuda, Jason T. Ryan, Jason P. Campbell, Kin P. Cheung

… With proper accounting of the carrier concentration and quantum confinement effect, the extracted interface-state …

Universal and non-universal effective N-body interactions for ultracold harmonically-trapped few-atom systems

October 28, 2014

Author(s)

X. Y. Yin, D Blume, Philip Johnson, Eite Tiesinga

… atoms in an isotropic harmonic trap using effective quantum field theory (EFT). Atoms are assumed to interact …

Spectral Fluorescence Measurements

July 7, 2014

Author(s)

Paul C. DeRose, Joanne C. Zwinkels, James Leland

… such as spectral excitation and emission curves and quantum yields has become increasingly important because of …

Sub-wavelength imaging and field mapping via electromagnetically induced transparency and Autler-Townes splitting in Rydberg atoms

June 16, 2014

Author(s)

Christopher L. Holloway, Joshua A. Gordon

… Using a quantum-optics technique known as Electromagnetically Induced …

An Arbitrarily Programmable Solar Simulator Based on a Liquid Crystal Spatial Light Modulator

June 8, 2014

Author(s)

Tasshi Dennis

… biasing for multijunctions, and a dynamic light source for quantum efficiency measurements. Variable blue-rich and …

Electromagnetically induced transparency and nonlinear pulse propagation in an atomic medium confined in a waveguide

December 19, 2013

Author(s)

Laing Li, Chengjie Zhu, Lu Deng, Guoxiang Huang

… atomic gas confined in a micro-waveguide. We find that quantum interference effect in this system can be largely …

Flat Frequency Response in the Electronic Measurement of the Boltzmann Constant

June 1, 2013

Author(s)

Jifeng Qu, Horst Rogalla, Yang Fu, Jianqiang Zhang, Alessio Pollarolo, Samuel Benz

… A new quantum voltage calibrated Johnson noise thermometer (JNT) …

Extending single-photon optimized superconducting transition edge sensors beyond the single-photon counting regime

September 19, 2011

Author(s)

Thomas Gerrits, Brice R. Calkins, Nathan A. Tomlin, Adriana E. Lita, Alan L. Migdall, Sae Woo Nam, Richard P. Mirin

… (TES) are the cutting-edge enabling technology for high quantum efficiency photon number counting. The TES developed …

Catalyst-free GaN nanowire growth and optoelectronic characterization

August 19, 2011

Author(s)

Kristine A. Bertness, Norman A. Sanford, John B. Schlager

… of optical and electrical data with regard to internal quantum efficiency and mobility are also addressed. …

Atomistic simulations for engineering: Potentials and challenges

July 1, 2011

Author(s)

Chandler A. Becker

… Atomistic simulations, both electronic structure and non-quantum-mechanical methods such as molecular dynamics, are …

Violation of the Condon Approximation in Semiconducting Carbon Nanotubes

June 28, 2011

Author(s)

Ming Zheng

… results from violation of the Condon approximation. Quantum chemical calculations indicate the behavior is …

APPLICATIONS OF THERMAL AND QUANTIZED VOLTAGE NOISE FOR INTRINSIC TEMPERATURE STANDARDS

March 18, 2011

Author(s)

Weston L. Tew, Samuel P. Benz

… in Johnson noise thermometry (JNT). The spectral-ratio quantum-based JNT developed at NIST has achieved measurement …

Low-Frequency Characterization of MEMS-Based Portable Atomic Magnetometer

June 2, 2010

Author(s)

Rahul R. Mhaskar, Svenja A. Knappe, John E. Kitching

… sensitivities rivaling those of superconducting quantum interference devices (SQUIDs). Miniaturization of …

Code-division SQUID multiplexing

April 23, 2010

Author(s)

Michael D. Niemack, Kent D. Irwin, Joern Beyer, Hsiao-Mei Cho, William B. Doriese, Gene C. Hilton, Carl D. Reintsema, Daniel R. Schmidt, Joel N. Ullom, Leila R. Vale

… Multiplexed superconducting quantum interference device (SQUID) readout systems are a …

Nonlinear Behavior of Electronic Components Characterized with Precision Multitones from a Josephson Arbitrary Waveform Synthesizer

June 3, 2009

Author(s)

Samuel P. Benz, Ryan C. Toonen

… We have extended the application of quantum-based electrical standards from single frequency …

Precision Differential Sampling Measurements of Low-Frequency Synthesized Sine Waves with an AC Programmable Josephson Voltage Standard

April 1, 2009

Author(s)

Alain Rufenacht, Charles J. Burroughs, Samuel P. Benz, Paul D. Dresselhaus, Bryan C. Waltrip, Thomas L. Nelson

… technique to measure sine wave sources with the use of a quantum-accurate ac programmable Josephson voltage standard. …

A merged-beams energy-loss technique for electron-ion excitation: Absolute total cross sections for o 5+ (2s> 2p)

October 16, 2008

Author(s)

E W. Bell, X Q. Guo, J L. Forand, K Rinn, D R. Swenson, J S. Thompson, G H. Dunn, M E. Bannister, D C. Gregory, Ray A. Phaneuf, A C. Smith, A Muller, C A. Timmer, E K. Wahlin, B D. DePaola, D S. Belic

… center-of-mass frame. This backscattering is shown in both quantum-mechanical and semi-classical calculations. Evidence …

Application of Molecular Modeling to Vapor-Liquid Equilibrium of Water with Synthesis Gas

September 8, 2008

Author(s)

Allan H. Harvey

… from state-of-the-art pair potentials obtained from quantum chemistry. When combined with Henry s law for the …

Counting near-infrared single-photons with 95% efficiency

February 20, 2008

Author(s)

Adriana E. Lita, Aaron J. Miller, Sae Woo Nam

… efficiency and low noise are a requirement for many quantum-information applications. Superconducting …

Simplified motional heating rate measurements of trapped ions

September 19, 2007

Author(s)

Ryan Epstein, Signe Seidelin, Dietrich G. Leibfried, Janus Wesenberg, John J. Bollinger, Jason Amini, Brad R. Blakestad, Joseph W. Britton, Jonathan Home, Wayne M. Itano, John D. Jost, Emanuel H. Knill, C. Langer, R. Ozeri, Nobuyasu Shiga, David J. Wineland

… of trapped atomic ions, a factor that influences multi-ion quantum logic gate fidelities. Two simplified techniques are …

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