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Randolph Elmquist, Emmanouel S. Hourdakis, Dean G. Jarrett, Neil M. Zimmerman
We describe the operation of a cryogenic current comparator (CCC) bridge that attains high current sensitivity while maintaining stability under a range of
We have studied the voltage noise of electronic voltage standards based on Zener diode references (Zeners). Ten volt Zener outputs were compared to NIST
An investigation of the response of high-value resistance standards and elements to applied potential has showed that the processes used to prepare and
The United States Government as well as the industrial controls sector has come to realize that securing computer systems that control industrial production and
Andras Vladar, Crossley E. Jayewardene, Bradley N. Damazo, William J. Keery, Michael T. Postek
The development of a very fast, very accurate laser stage measurement system facilitates a new method to enhance the image and line scan resolution of scanning
International SEMATECH (ISMT and the National Institute of Standards and Technology (NIST) are working together to improve the traceability of AFM dimensional
M P. Davidson, M R. Bishop, Robert D. Larrabee, Michael T. Stocker, Jay S. Jun, Egon Marx, Richard M. Silver, Ravikiran Attota
Two types of overlay targets have been designed and evaluated for the study of optical overlay metrology. They are in-chip and arrayed overlay targets. In-chip
S Wetzel, Charles M. Guttman, Kathleen M. Flynn, James J. Filliben
One of the most significant issues in any analytical practice is optimization. Optimization and calibration are key factors in quantitation. In matrix-assisted
Tilt is the slope in waveform values that occurs before and/or after a waveform transition. Tilt causes a bias in the computed values of waveform state levels
Donald R. Larson, Nicholas Paulter, David I. Bergman
The pulse parameters of amplitudes and transition duration (10% to 90%) are examined as a function of the epoch and position of the transition edge in the epoch
A Bartels, Scott A. Diddams, Christopher W. Oates, G Wilpers, Windell Oskay, James C. Bergquist, Leo W. Hollberg
A femtosecond laser frequency comb transfers the low phase and frequency noise of a cavity-stabilized CW laser to the microwave domain. Phase noise of -115 dBc
Vladislav Gerginov, C E. Tanner, Scott A. Diddams, A Bartels, Leo W. Hollberg
High-resolution spectroscopy and a femtosecond laser frequency comb are used to determine the optical frequencies between the components of the D 2 line in
We present a method to reduce the residual Doppler effect by almost two orders of magnitude in our optical frequency standard. The approach combines atom
Long-Sheng Ma, Lennart Robertsson, Massimo Zucco, Zhiyi Bi, Robert Windeler, A Bartels, G Wilpers, Christopher W. Oates, Leo W. Hollberg, Scott Diddams
We compare the accuracy of femtosecond laser optical frequency synthesizers that employ microstructured fibers with those that directly generate a broadband
Claude Weil, Dennis G. Camell, David R. Novotny, Robert T. Johnk
We discuss simulator units for calibrating across-the-road Doppler traffic radar transceivers used in enforcement of highway speed limits. Two units of very
We describe temperature-dependent photon antibunching measurements from single InGaAs/GaAs quantum dots. The second order intensity correlation demonstrates
Joseph J. Berry, Todd E. Harvey, Richard Mirin, A Marian, Jun Ye
We employ cavity ringdown to perform absorption experiments of InGaAs/GaAs QDs. Integrating an AlAs/GaAs DBR incorporating InGaAs QD?s into a Fabry-Perot cavity
Kirk Ullmann, Mark Su, Kevin L. Silverman, Joseph J. Berry, Todd E. Harvey, Richard Mirin
We report room temperature photoluminescence from a Nd3+ doped AlGaAs semiconductor. Oxidation of the AlGaAs greatly improves the luminescence efficiency of the
We demonstrate an optically modulated field-effect transistor. Such a device has a possible application as a fast, flexible, and efficient single photon
Kevin L. Silverman, Richard Mirin, Steven T. Cundiff
We employ two-color differential transmission spectroscopy to investigate coupling between InGaAs/GaAs QDs. Resonantly excited carriers escape and are captured
Kristan L. Corwin, I Thomann, Tasshi Dennis, R W. Fox, William C. Swann, E. A. Curtis, C. W. Oates, G Wilpers, A Bartels, Sarah L. Gilbert, Leo W. Hollberg, Scott Diddams, Nathan R. Newbury, Jeffrey W. Nicholson, M. Yan
A Cr:forsterite laser-based frequency comb is stabilized simultaneously to two NIST frequency references. Methane lines from 1315 nm - 1330 nm are measured with
Brian Washburn, Scott Diddams, Nathan R. Newbury, Jeffrey W. Nicholson, M. Yan, C. G. Jorgensen
A phase-locked fiber laser-based supercontinuum source is presented. The linewidth of a single line of the IR frequency comb produced by fiber laser-based
We describe thermal-detector coatings based on carbon nanotubes. Such coatings may form the basis of the next generation of calorimeters, radiometers, and other
This paper reports a modeling study to determine the fire suppression potential for compounds based on their evaporation and transport behavior in a simulated
Keith A. Stouffer, Joseph Falco, Frederick M. Proctor
This paper will provide an overview of the Process Control Security Requirements Forum (PCSRF) and the System Protection Profile for Industrial Control Systems