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Conferences

Antenna Metrology 100-500 GHz: A New Approach

Author(s)
Perry F. Wilson, Joshua A. Gordon, David R. Novotny, Jeffrey R. Guerrieri
A typical near-field scanning range for antenna measurements is based on simple translation stages (planar) or stacked rotators (spherical), or both

DELAY MEASUREMENT OF 1PPS SIGNALS IN TIMING SYSTEMS

Author(s)
Stefania Romisch, Daniele Rovera, Marco Siccardi
Abstract The uncertainty of time measurements in timing systems is not only a function of the quality of the instruments and system components (time interval

Comparison of T1 measurement using ISMRM/NIST system phantom

Author(s)
Kathryn E. Keenan, Karl F. Stupic, Michael A. Boss, Stephen E. Russek, Thomas L. Chenevert, Pottumarthi V. Prasad, Wilburn E. Reddick, Jie Zheng, Peng Hu, Edward F. Jackson
We used the ISMRM/NIST system phantom to assess variations of T1 measurements across MRI systems at 1.5 T and 3 T, to determine the repeatability and

Frequency shift mitigation in a cold-atom CPT clock

Author(s)
Xiaochi Liu, John Kitching, Elizabeth Donley, Eugene N. Ivanov
An upgrade in the laser interrogation system for our cold-atom clock based on coherent population trapping has resulted in a reduced light shift. The new

A ROUND ROBIN EXPERIMENT TO SUPPORT BOND VOID MEASUREMENT STANDARDS

Author(s)
Richard A. Allen, David T. Read, Victor H. Vartanian, Winthrop A. Baylies, William Kerr, Mark Plemmons, Kevin T. Turner
A round robin experiment to compare the sensitivities of various metrology tools to small voids between bonded wafers such as are used in three-dimensional

Hardware Security Thorough Supply Chain Assurance

Author(s)
Yaw S. Obeng, David A. Brown, Colm Nolan
This paper examines the current issues pertaining to the hardware security and how they could affect the overall security of applications such as the internet
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