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NIST Authors in Bold

Displaying 34426 - 34450 of 73697

A Summary of Lightpipe Radiation Thermometry Research at NIST

April 1, 2006
Author(s)
Benjamin K. Tsai
During the last ten years, research in lightpipe radiation thermometry has significantly reduced the uncertainties for temperature measurements in semiconductor processing. The National Institute of Standards and Technology (NIST) has improved the

A Wireless Environmental Monitoring System Based on the IEEE 1451.1 Standard

April 1, 2006
Author(s)
Kang B. Lee, Yuyin Song
This paper describes a wireless environmental monitoring system developed at the National Institute of Standards and Technology (NIST) based on the Institute of Electrical and Electronics Engineers (IEEE) 1451.1 standard using the Unified Modeling Language

Autonomous System (AS) Isolation under Randomized BGP Session Attacks with RFD Exploitation

April 1, 2006
Author(s)
Kotikalapudi Sriram, Douglas Montgomery, Oliver Borchert, Okhee Kim, D. Richard Kuhn
BGP peering session attacks are known to drive routes into route flap damping (RFD) suppression states and thus cause isolations between autonomous systems (ASes) and destinations. We present a detailed study of the impact of BGP peering session attacks

Characterization of an Optical Time Domain Reflectometer Calibrator

April 1, 2006
Author(s)
Donald R. Larson, Nicholas Paulter, Kenneth C. Blaney
We report the results of an investigation into the signal characteristics and behavior of an instrument used by the US Air Force Metrology and Calibration Program to calibrate optical time domain reflectometers. The instrument is calibrated using NIST

Composition Standards for AlGaAs Epitaxial Layers

April 1, 2006
Author(s)
Kristine A. Bertness, Todd E. Harvey, C. M. Wang, Albert J. Paul, Larry Robins
Standard Reference Materials (SRMs) 2840 to 2843 are semiconductor material artifacts that consist of an epitaxial layer of AlxGa (1-x)As on a GaAs substrate. From the energy at the peak intensity in the photoluminescence (PL) spectrum, the composition of

Cryptographic Hash Standards ? Where Do We Go From Here?

April 1, 2006
Author(s)
William E. Burr
The two most commonly used cryptographic hash functions, MD5 and SHA-1, have been successfully attacked?it is no longer advisable to use them in some applications, although other applications are not affected. Furthermore, these attacks have triggered a

Design and Fabrication of a Copper Test Structure as a Electrical Critical Dimension Reference

April 1, 2006
Author(s)
Byron J. Shulver, Andrew S. Bunting, Alan Gundlach, Les I. Haworth, Alan W. Ross, Anthony J. Snell, J. T. Stevenson, Anthony Walton, Richard A. Allen, Michael W. Cresswell
A novel copper damascene process is reported for the implementation of Electrical Critical Dimension (ECD) reference material. The method of fabrication first creates an initial 'silicon preform' whose linewidth is transfered into a trench using a silicon

Fast Algorithms for Structured Least Squares

April 1, 2006
Author(s)
Anoop Kalsi, Dianne M. O'Leary
We consider the problem of solving least squares problems involving a matrix M of small displacement rank with respect to two matrices Z1 and Z2. We develop formulas for the generators of the matrix MHM in terms of the generators of M and show that the

Focus: Augmented Reality for Standards Development

April 1, 2006
Author(s)
Matthew L. Aronoff, John V. Messina
The next generation of Product Data Exchange (PDE) standards will require the active participation of domain experts in the standards development process. Due to geographical separation and a lack of the XML expertise required to develop a high-quality

Free Space Optics Communication System Testing in Smoke and Fire Environments

April 1, 2006
Author(s)
Alexander Maranghides, William E. Mell, William D. Walton, Erik L. Johnsson, Nelson P. Bryner
Free-Space Optics (also known as FSO , or Optical Wireless ) can be used to transmit optical data, voice and video information. These laser-based systems require unobstructed line of sight to properly operate. FSO system performance, signal intensity and

High Speed Quantum Key Distribution System Supports One-Time Pad Encryption of Real-Time Video

April 1, 2006
Author(s)
Alan Mink, Xiao Tang, Lijun Ma, Anastase Nakassis, Barry J. Hershman, Joshua Bienfang, David H. Su, Ronald Boisvert, Charles W. Clark, Carl J. Williams
NIST has developed a high-speed quantum key distribution (QKD) test bed incorporating both free-space and fiber systems. These systems demonstrate a major increase in the attainable rate of QKD systems: over two orders of magnitude faster than other

IEEE TC-10: Update 2006

April 1, 2006
Author(s)
Nicholas Paulter, W. B. Boyer, Thomas E. Linnenbrink, S. J. Tilden

Is Quantum Cryptography Provably Secure?

April 1, 2006
Author(s)
Anastase Nakassis, Joshua Bienfang, P. Johnson, Alan Mink, D. Rogers, Xiao Tang, Carl J. Williams
Quantum cryptography asserts that shared secrets can be established over public channels in such a way that the total information of an eavesdropper can be made arbitrarily small with probability arbitrarily close to 1. As we will show below, the current

Link Assessment in an Indoor 802.11 Network

April 1, 2006
Author(s)
Michael R. Souryal, Luke Klein-Berndt, Leonard E. Miller, Nader Moayeri
This paper presents the empirical results and analysis of a link variability study for an indoor, stationary 802.11 network subject to external interference. The objective is to characterize the relationships between the packet loss rate on a link and the

Long-term frequency instability of atomic frequency references based on coherent population trapping and microfabricated vapor cells

April 1, 2006
Author(s)
Vladislav Gerginov, Svenja A. Knappe, P Schwindt, V Shah, Leo W. Hollberg, John E. Kitching
We present an evaluation of the long-term frequency instability and environmental sensitivity of a chip-scale atomic clock based on coherent population trapping, particularly as affected by the light source subassembly. We find that the clock frequency is
Displaying 34426 - 34450 of 73697
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