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Displaying 1 - 25 of 392

Report of the 86th National Conference on Weights and Measures

July 1, 2001
Author(s)
H V. Oppermann, T L. Grimes
The 86th annual meeting of the National Conference on Weights and Measures will be held in Washington, DC, July 22-26, 2001. The theme of the Conference is Success Through Communication and Cooperation.The National Conference on Weights and Measures

International Comparison GT/RF 86-1 Electric Field Strengths: 27 MHz to 10 GHz

May 1, 2000
Author(s)
Motohisa Kanda, Dennis G. Camell, Jan P. deVreede, J. Achkar, M. Alexander, Michele Borsero, H. Yajima, N. S. Chung, H. Trzaska
… at frequencies between 27 MHz and 10GHz (GT/RF 86-1) The participating laboratories were NIST, pilot … International Comparison GT/RF 86-1 Electric Field Strengths: 27 MHz to 10 GHz …

International Comparison GT/RF 86-1 Electrical Field Strengths, 27 MHz to 10 GHz

May 1, 2000
Author(s)
Motohisa Kanda, Dennis G. Camell, J. Achkar, M. Alexander, Jan P. deVreede, Michele Borsero, H. Yajima, N. S. Chung, H. Trzaska
… at frequencies between 27 MHz and 10 GHz (GT/RF 86-1). The participating laboratories were NIST, Pilot … International Comparison GT/RF 86-1 Electrical Field Strengths, 27 MHz to 10 GHz …

Characterization of SiGe Films for use as a National Institute of Standards and Technology (NIST) Microanalysis Reference material (RM 8905)

February 1, 2010
Author(s)
Ryna B. Marinenko, Shirley Turner, David S. Simons, Savelas A. Rabb, Rolf L. Zeisler, Lee L. Yu, Dale E. Newbury, Rick L. Paul, Nicholas W. Ritchie, Stefan D. Leigh, Michael R. Winchester, Lee J. Richter, Douglas C. Meier, Keana C. Scott, D Klinedinst, John A. Small
Bulk SiGe wafers cut from single-crystal boules and two SiGe thick films (4 m and 5 m thick) on Si wafers were evaluated with the electron probe microanalyzer for the extent of heterogeneity and composition for use as reference materials needed by the

Generation and characterization of high-purity, pulsed squeezed light at telecom wavelengths from pp-KTP

November 15, 2011
Author(s)
Thomas Gerrits, Martin J. Stevens, Burm Baek, Brice R. Calkins, Adriana E. Lita, Scott C. Glancy, Emanuel H. Knill, Sae Woo Nam, Richard P. Mirin, Robert Hadfield, Ryan Bennink, Warren Grice, Sander N. Dorenbos, Tony Zijlstra, Teun Klapwijk, Val Zwiller
… show a raw (corrected) Hong-Ou-Mandel interference with 86 % (90 %) visibility and a circular joint spectral …

Photon-Efficient High-Dimensional Quantum Key Distribution

June 12, 2014
Author(s)
Tian Zhong, Hongchao Zhou, Ligong Wang, Gregory Wornell, Zheshen Zhang, Jeffrey Shapiro, Franco N. Wong, Rob Horansky, Varun Verma, Adriana Lita, Richard Mirin, Thomas Gerrits, Sae Woo Nam, Alessandro Restelli, Joshua Bienfang, Francesco Marsili, Matthew Shaw
We demonstrate two high-dimensional QKD protocols - secure against collective Gaussian attacks - yielding up to 8.6 secure bits per photon and 6.7 Mb/s throughput, with 6.9 bits per photon after transmission through 20 km of fiber.

Anomalous Magnetic Aftereffect of a Frozen Magnetic Fluid

January 1, 2004
Author(s)
S Taketomi, R V. Drew, Robert D. Shull
… 5 K followed by the application of a magnetic field of 2.86 MA/m for 300 seconds. After the field was removed (t = 0), … cooling to 5K and again applying and removing the 2.86 MA/m field. We performed the same experiment several …

Magnetic Fluids' Phase Transition Between Micelle and Mono-Dispersed Phases

April 18, 2006
Author(s)
S Taketomi, R V. Drew, Robert D. Shull
… to 5 K followed by application of a magnetic field of 2.86 MA/m for 300 seconds. After the field was removed (t=0), … after cooling to 5 K and again applying and removing the 2.86 MA/m field. We performed the same experiment several …

Rydberg Atom-based RF Power Measurements

November 4, 2018
Author(s)
Matthew T. Simons, Marcus D. Kautz, Abdulaziz H. Haddab, Joshua A. Gordon, Christopher L. Holloway, Thomas P. Crowley
… the power of radio frequency fields at 17.86, 19.63, 26.53, and 33.03 GHz were measured in a WR42 …

Frequency Comparison of Two High-Accuracy Al+ Optical Clocks

February 17, 2010
Author(s)
Chin-Wen Chou, David Hume, J.C. Koelemeij, David J. Wineland, Till P. Rosenband
We have constructed an optical clock with a fractional frequency inaccuracy of 8.6e-18, based on quantum logic spectroscopy of an Al+ ion. A simultaneously trapped Mg+ ion serves to sympathetically laser-cool the Al+ ion and detect its quantum state. The

Hard X-Ray Spectrometers for NIF

January 1, 2001
Author(s)
J Seely, G Holland, Charles Brown, R Deslattes, Lawrence T. Hudson, P Bell, M Miller, C Back
A NIF core diagnostic instrument has been designed and will be fabricated to record x-ray spectra in the 1.1 to 20.1 keV energy range. The High-Energy Electronic X-Ray (HENEX) instrument has four reflection crystals with overlapping coverage of 1.1 to 10.9

Precision Measurement of Fundamental Constants Using GAMS4

April 1, 2000
Author(s)
Maynard S. Dewey, Ernest G. Kessler
We discuss the connection of high-energy gamma-ray measurements with precision atomic mass determinations. These rather different technologies, properly combined, are shown to lead to new values for the neutron mass and the molar Planck constant. We then
Displaying 1 - 25 of 392
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