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NIST Authors in Bold

Displaying 801 - 825 of 1415

NIST-F3, a cesium fountain frequency reference

January 24, 2023
Author(s)
Gregory Hoth, Alexander Radnaev, Peter Mitchell, Jeffrey Sherman, Vladislav Gerginov
… large tilt sensitivity. We measure shifts of order $10^-14}/\mathrmmrad}$ when tilting the fountain. Despite this …

Phase Control of Wave Packet Dynamics Using Shape Femtosecond Pulses

October 12, 2021
Author(s)
R Uberna, Z Amitay, R A. Loomis, S R. Leone
… is created by excitation of a set of ten rovibronic E 1 ς g + (V E = 12=16, J E = 17, 19) states from an intermediate state, A 1 ς u + (Ņ A = 14, J A = 18), using ultrashort optical pulses with …

Design of 280 GHz feedhorn-coupled TES arrays for the balloon-borne polarimeter SPIDER

July 7, 2016
Author(s)
Johannes Hubmayr, Jason E. Austermann, James A. Beall, Daniel T. Becker, Shannon M. Duff, Arpi L. Grigorian, Gene C. Hilton, Joel N. Ullom, Michael R. Vissers
… receiver, which in total contains 765 spatial pixels and 1,530 polarization sensitive bolometers at 280 GHz. By … and measurement of single feedhorns, we demonstrate 14.7 FHWM Gaussian-shaped beams with …

Gradual Release of Strongly-Bound Nitric Oxide from Fe 2 (NO) 2 (dobdc)

February 24, 2015
Author(s)
Eric D. Bloch, Wendy L. Queen, Sachin Chavan, Paul S. Wheatley, Joseph M. Zadrozny, Russell E. Morris, Craig Brown, Carlo Lamberti, Silvia Bordiga, Jeffrey R. Long
… redox-active metal cation sites, Fe 2 (dobdc) (dobdc 4- = 1,4-dioxido-2,5-benzenedicarboxylate), is shown to strongly … iron centers of the framework with an Fe-NO separation of 1.77 (1) A and an Fe-N-O angle of 150.9 (5)°. The nitric …

Attosecond timing in optical-to-electrical conversion

February 10, 2015
Author(s)
Frederick N. Baynes, Franklyn J. Quinlan, Tara M. Fortier, Qiugui Zhou, Andreas Beling, Joe C. Campbell, Scott A. Diddams
… covered over 7 decades of offset frequencies, from 1 mHz to greater than 10 kHz. The phase noise was found to largely follow a flicker (1/f) dependence over the entire range, reaching -135 dBc/Hz (4 as/√Hz) at 1 Hz, and -170 dBc/Hz (0.07 as/√Hz) at 10 kHz offset. The …

Quantum-noise-limited cavity ring-down spectroscopy

March 29, 2014
Author(s)
David A. Long, Adam J. Fleisher, Szymon S. Wojtewicz, Joseph T. Hodges
… a noise-equivalent absorption coefficient of ~6×10−14 cm−1 Hz−1/2, and demonstrate high frequency agility over a range of …

Characterization of the NIST Shellfish Standard Reference Material 4358

March 1, 2013
Author(s)
Svetlana Nour, Kenneth G. Inn, James J. Filliben, Hank dan der Gaast, Lee Chung Men, M.D. Calmet, P Povinec, Y Takata, M. Wisdom, K. Nakamura, Pia Vesterbacka, Ching-Chung Huang, S M. Vakulovsky
… 12 laboratories-participants from 9 countries (Table 1). This Standard Reference Material (SRM) has been developed … bootstrap method. Certified values were established for 14 radionuclides, 5 activity ratios, and informational values …

Infrared detector calibrations

March 22, 2012
Author(s)
George P. Eppeldauer, Vyacheslav B. Podobedov
… realized NIST spectral power responsivity scale between 1.7 and 14 micrometers with an uncertainty of 1 % (k=2). The InSb working standard was also measured at the …

Selective Binding of O 2 over N 2 in Redox- Active Metal-Organic Framework with Open Iron(II) Coordination Sites

August 10, 2011
Author(s)
Eric D. Bloch, Leslie J. Murray, Wendy Queen, Sachin Chavan, Sergey N. Maximoff, Julian P. Bigi, Rajamani Krishna, Vanessa Peterson, Fernande Grandjean, Berend Smit, Silvia Bordiga, Craig Brown, Jeffrey R. Long
… reaction of FeCl 2 and H 4 dobdc (dobdc 4- = 2,5-dioxido-1,4- benzenedicarboxylate) in a mixture of DMF and methanol … has a BET surface area of 1360 m 2 /g and features 1-D hexagonal pores lined with coordinatively unsaturated Fe …

Al-Mn Transition Edge Sensors for Cosmic Microwave Background Polarimeters

November 22, 2010
Author(s)
Daniel R. Schmidt, Hsiao-Mei Cho, Johannes Hubmayr, Peter J. Lowell, Michael D. Niemack, Galen C. O'Neil, Joel N. Ullom, Ki W. Yoon, Kent D. Irwin, W L. Holzapfel, M Lueker, E M. George, E Shirokoff
… the Al. We can produce films with Tc from below 50 mK to 1.4 K through adjustment of the Mn concentration. Since this …
Displaying 801 - 825 of 1415
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