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Search Publications

NIST Authors in Bold

Displaying 3476 - 3500 of 17263

Improved NIST Airspeed Calibration Facility

March 23, 2010
Author(s)
Iosif I. Shinder, J. M. Hall, Michael R. Moldover
… The National Institute of Standards and Technology (NIST) uses a laser Doppler … frequencies, thereby tracing the LDA to the primary standards of length and time. We also improved the LDA … airspeed calibrations, laser Doppler anemometer, primary standards …

Solid-State Transformation of an Additive Manufactured Inconel 625 Alloy at 700 degC

September 23, 2021
Author(s)
Fan Zhang, Jan Ilavsky, Greta Lindwall, Mark R. Stoudt, Lyle E. Levine, Andrew J. Allen
… stress heat treatment for AM Inconel 625, conducted at 800 °C or 870 °C, introduces substantial precipitation of δ … precipitated at the typical heat treatment temperatures of 800 °C and 870 °C. A comparison with thermodynamic modeling …

Optical Properties of CdSe/ZnS Nanocrystals

December 31, 2014
Author(s)
Paul C. DeRose, Yu-Zhong Zhang, Adolfas Gaigalas
… not be determined for QDs with emission at 700 nm and 800 nm. The fluorescence lifetimes varied from 26 ns for … near 600 nm to 150 ns for nanocrystals emitting near 800 nm. The quantum yield ranged between 0.3 and 0.9 for the …

Simultaneous Phase Control of Li 2 Wave Packets in Two Electronic States

January 1, 2002
Author(s)
H U. Stauffer, J B. Ballard, Z Amitay, S R. Leone
… sub-picosecond wave packet preparation pulse centered near 800 nm simultaneously creates a two- state rotational wave … (Ņ A = 15, J A = 22, 24, and 26). A temporally delayed 800 nm probe pulse subsequently ionizes both electronic …

DAmodel: Hierarchical Bayesian Modelling of DA White Dwarfs for Spectrophotometric Calibration

December 11, 2024
Author(s)
Benjamin M. Boyd, Gautham Narayan, Kaisey Mandel, Matthew Grayling, Aidan Berres, Mai Li, Aaron Do, ABHIJIT SAHA, Tim Axelrod, Thomas Matheson, Edward W Olszewski, ralph bohlin, Annalisa Calamida, Jenna Claver, Susana Deustua, Jay Holberg, Ivan Hubeny, John MacKenty, Konstantin Malanchev, Sean Points, Armin Rest, Elena Sabbi, Christopher Stubbs
… standards (16.5 < V < 19.5) alongside the three CALSPEC standards, from 900 Å to 32 μm. The framework is the first of …

Dynamic Measurement of Gas Flow using Acoustic Resonance Tracking

March 21, 2023
Author(s)
Jodie Gail Pope, Keith A. Gillis, James W. Schmidt
We measured gas flows exiting large, un-thermostated, gas-filled, pressure vessels by tracking the time-dependent pressure P(t) and resonance frequency fN(t) of an acoustic mode N of the gas remaining in each vessel. This is a proof-of-principle

The Forthcoming IEEE Standard 1696 on Test Methods for Characterizing Circuit Probes

May 6, 2013
Author(s)
Nicholas Paulter, John Jendzurski, Mike McTigue, Bill Hagerup, Thomas E. Linnenbrink
… to characterize the performance of circuit probes. This standard contains a set of performance parameters that … two models of oscilloscopes. The probes considered in this standard are all active high-input impedance devices. Both … probe is a quality test fixture, which is described in the standard. …

Calibration and Characterization of UV Sensors for Water Disinfection

January 2, 2006
Author(s)
Thomas C. Larason, Yoshihiro Ohno
… Austria and Germany have developed or are developing standards for the sensor design and performance. These two standards differ in their requirements and do not address … new guidelines for UV monitors. The National Institute of Standards and Technology, USA (NIST) is participating in this …

Advancing Autonomous Robot Development and Adoption Through Standards

May 4, 2022
Author(s)
Craig I. Schlenoff
… the same tasks can prevent non-performance. IEEE Standards Association (IEEE SA) is at the forefront of standards development that can advance the reusable, … Advancing Autonomous Robot Development and Adoption Through Standards …

Control Fusion for Safe Multi-robot Coordination

May 9, 2014
Author(s)
Roger V. Bostelman, Jeremy A. Marvel
… arms mounted on mobile bases). The National Institute of Standards and Technology, Performance of Collaborative Robot … guided vehicle with an onboard manipulator). Safety standards for these independent robots mandate their failsafe control with little overlap between standards when the two systems are combined and their …

Induced Current Effects in Josephson Voltage Standard Circuits

March 8, 2019
Author(s)
Anna E. Fox, Grace E. Butler, Miranda L. Thompson, Paul D. Dresselhaus, Samuel P. Benz
… of magnetic field induced current in Josephson voltage standard circuits. Inductive filtering is an essential component in Josephson voltage standard devices for isolation of the microwave and DC bias … induced currents. Results from actual Josephson voltage standard devices with shielded low pass filters confirm the …

NIST Cloud Computing Forensic Reference Architecture

July 30, 2024
Author(s)
Martin Herman, Michaela Iorga, Ahsen Michael Salim, Robert H. Jackson, Mark R. Hurst, Ross A. Leo, Anand Kumar Mishra, Nancy M. Landreville, Yien Wang
… Special Publication (NIST SP) - 800-201 …
Displaying 3476 - 3500 of 17263
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