U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 54126 - 54150 of 74189

Stability of short, single-mode erbium-doped fiber lasers

July 20, 1997
Author(s)
Mikael Svalgaard, Sarah L. Gilbert
We conducted a detailed study of the stability of short, erbium-doped fiber lasers fabricated with two UV-induced Bragg gratings written into the doped fiber. We find that the relative intensity noise of single-longitudinal-mode fiber grating lasers is

Force Measurement Services at NIST: Equipment, Procedures, and Uncertainty

July 17, 1997
Author(s)
Thomas W. Bartel, Ricky L. Seifarth, Simone L. Yaniv
The facilities, instrumentation, and procedures currently used at the National Institute of Standards and Technology (NIST) for force measurement services are described. The uncertainty in the forces realized by the NIST primary force standard deadweight

Advanced Methods and Models for Describing Coating Appearance

July 7, 1997
Author(s)
M E. McKnight, Jonathan W. Martin
The National Institute of Standards and Technology has recently initiated a study to advance appearance metrology. A systems approach which applies technological advances in oprical metrology, mathematical modeling, and computer rendering to the

Imaging of domain-inverted gratings in LiNbO 3 by electrostatic force microscopy

July 7, 1997
Author(s)
H. Bluhm, A. Wadas, R. Wiesendanger, Alexana Roshko, J. A. Aust, Dong-Ha Nam
Ferroelectric domains in LiNbO 3 have been investigated by means of electrostatic force microscopy. Polarization-inverted gratings with 4 υm periodicity were fabricated by titanium diffusion into both + c and - c faces of single-domain LiNbO 3 crystals

Experimental Study of Caesium 6PJ+ 6PJ --> 7PJ? + 6S energy pooling collisions and modeling of the excited atom density in the presence of optical pumping and radiation trapping

July 5, 1997
Author(s)
F D. Tomasi, J Huennekens, Zeina J. Kubarych, A Allegrini, A Fioretti, P Verker, S Milosevic
An experimental study of caesium energy pooling collisions at thermal energies, has been carried out in a capillary cell using diode laser excitation. Use of the capillary cell minimizes the effects of radiation trapping, but nonetheless, such effects

A Method to Characterize Overlay Tool Misalignments and Distortions

July 1, 1997
Author(s)
Richard M. Silver, James E. Potzick, Fredric Scire, Christopher J. Evans, Michael L. McGlauflin, Edward A. Kornegay, Robert D. Larrabee
A new optical alignment artifact under development at NIST is described. This structure, referred to as a stepped microcone, is designed to assist users and manufacturers of overlay metrology tools in the reduction of tool-induced measurement errors. We

A Tcl Package for CGI and HTML Generation

July 1, 1997
Author(s)
Don E. Libes
CGI scripts enable dynamic generation of HTML pages. This paper describes a package for writing CGI scripts in Tcl. The package is also useful for the generation for static HTML and for the translation of different formats from the same document. A brief

Analysis of Variability in the Design of Wood Products Under Imprecision

July 1, 1997
Author(s)
Ronald Giachetti, R Young
The design and analysis of many products is performed with imprecisely known parameters, relationships, and environmental conditions. This is especially true for wood products which exhibit greater variability than most materials. Fuzzy set theory applied

Atomic Collisions in Ultracold Atomic Gases

July 1, 1997
Author(s)
Paul S. Julienne, Kevin Jones, Paul D. Lett, William D. Phillips, Eite Tiesinga, U Volz, Carl J. Williams
Cold collisions between trapped atoms are very important in the context of Bose-Einstein condensation. The meaning of the scattering length, and its determination through the precision measurements of photoassociation spectroscopy, are described. This is

Biological Macromolecule Crystallization Database

July 1, 1997
Author(s)
G L. Gilliland
The NIST/CARB Biological Macromolecule Crystallization Database (BMCD) includes crystal and crystallization data on all forms of biological macromolecules that have produced crystals suitable forX-ray diffraction studies. The data include information on

Conference Report: Workshop on Advanced Methods and Models for Appearance of Coatings and Coated Objects, Gaithersburg, MD, May 20, 1996

July 1, 1997
Author(s)
M E. McKnight, J Martin, Michael Galler, Fern Y. Hunt, R Lipman, Theodore V. Vorburger, A Thompson
To help NIST researchers better understand industry''s needs, four NIST laboratories held a Workshop on Advanced Methods and Models for Appearance of Coatings and Coated Objects on May 20, 1996. The four NIST laboratories are Building and Fire Research

Dimensional Metrology at the Nanometer Level: Combined SEM and PPM

July 1, 1997
Author(s)
Michael T. Postek, H Ho, L Harrison
The National Institute of Standards and Technology (NIST) is currently exploring the potentials afforded by the incorporation of a commercial proximal probe microscope (PPM) operating in the scanning tunneling or atomic force mode into a high resolution
Displaying 54126 - 54150 of 74189
Was this page helpful?