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299
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784 Matching Results
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Interferometric measurements of multilayer and double shell inertial fusion targets
Optical interference microscopy plays an important role in the measurement of targets for inertial confinement fusion experiments. We describe how these techniques are applied to the measurement of thickness and refractive index of multilayer films on both flat substrates and microsphere targets. We also discuss procedures for manipulating and examining microsphere targets to measure defects and wall thickness variations anywhere on the target. Finally, we describe the use of optical interferometry to measure the individual components and final assembled structure of double-shell targets. The accuracy of these measurements is from 0.03 to 0.5 ..mu..m, depending on the specific application.
Date:
August 26, 1980
Creator:
Weinstein, B.W.; Weir, J.T. & Willenborg, D.L.
Object Type:
Article
System:
The UNT Digital Library
Use of molecular beams to support microspheres during plasma coating
Spherical laser fusion targets can be levitated on beams of Ar or other gas atoms. This is an especially useful and reliable technique for supporting microspheres during plasma coating or plasma etching. The reliability of this technique is principally the result of two things: the success of a special centering device which provides a lateral, stabilizing force on the levitated microspheres; and a gas handling system which is capable of controlling levitation gas flow in the microtorr liter/sec range. We have determined that the operational regime of this device is that of Knudsen's flow. This knowledge of the flow characteristics has been important in developing this device.
Date:
August 26, 1980
Creator:
Crane, J. K.; Smith, R. D.; Johnson, W. L.; Letts, S. A.; Korbel, G. R. & Krenick, R. M.
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0121.0336]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "There's no better way to spend summer - June's sweltering heat doesn't keep these four riders from enjoying the action at Camp Cimarron."
Date:
June 26, 1980
Creator:
Buehner, Jeff
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0089.0855]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Bicyclists Glen Shipley and Debbie Conway were among the business executives who turned out over the weekend to pedal for the American Cancer Society."
Date:
July 26, 1980
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0136.0331]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Classen High School - Reunion - 40th"
Date:
June 26, 1980
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0156.0498]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Relaxing are, from left to right, Mr. and Mrs. Mitch Carey, Brant Conley, Judy Pettyjohn and Mr. and Mrs. Paul Quigley."
Date:
April 26, 1980
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0156.0103]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Larry Dean sings a county song at the benefit for Dale Rogers Training Center."
Date:
January 26, 1980
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0172.0427]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "A new lease for this building north of 33rd Street and Kelly will be considered by the industrial trust."
Date:
March 26, 1980
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0151.0241]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Jim Curtis words on a partially-finished wood Christmas tree."
Date:
November 26, 1980
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0153.0164]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Getting a head start on Oklahoma Theater Center's annual Christmas decorating party set for 11 a.m. Saturday are Steve Daniels, chief decorator, and Mary Patterson."
Date:
November 26, 1980
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0172.0490]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Edmond Nursing center staff clown around before the auction begins."
Date:
March 26, 1980
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0138.0076]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Punctuating his comments with a raised fist and a broad smile, Andy Coats of Oklahoma City, one of the leaders in the Democratic U.S. Senate primary meets supporters at Lincoln Plaza."
Date:
August 26, 1980
Creator:
Grier, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0139.0282]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Page Cole, 17, left and Kelly Nilson, 15, walk to El Reno High School wearing the comfortable attire which has been allowed by administrators while the hot weather endures."
Date:
August 26, 1980
Creator:
Longstreath, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0144.0235]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Oklahoma City Councilman Jack Cornett takes a breather from helping in the cleanup Saturday morning of McKinley Park during the city parks Department and Oklahoma City Beautiful's annual Parks perk-up project."
Date:
April 26, 1980
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0148.0107]
Photograph used for a story in the Oklahoma Times newspaper.
Date:
June 26, 1980
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0136.0354]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Henry and Helen Jackson go through an old scrapbook of their high school activities."
Date:
June 26, 1980
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Rate Dependent Inelastic Behavior of Polycrystalline Solids Using a Dislocation Model
A rate dependent theory of polycrystalline plasticity is presented in which the solid is modeled as an isotropic continuum with internal variables. The rate of plastic deformation is shown to be a function of the deviatoric portion of the Cauchy stress tensor as well as two scalar internal variables. The scalar internal variables, which are the dislocation density and mobile fraction, are governed by rate equations which reflect the evolution of microstructural processes. The model has been incorporated into a two dimensional finite element code and several example multidimensional problems are presented which exhibit the rate dependence of the material model.
Date:
February 26, 1980
Creator:
Werne, R. W. & Kelly, J. M.
Object Type:
Article
System:
The UNT Digital Library
Equations of state for self-excited MHD generator studies
We have constructed a state-of-the-art equation of state (EOS) for argon covering the temperature density range attainable by currently proposed self-excited MHD generators. The EOS for conditions in the flow channel was obtained primarily by a non-ideal plasma code (ACTEX) that is based on a many body activity expansion. For conditions in the driver chamber the EOS was primarily obtained from a fluid code (HDFP) that calculates the fluid properties from perturbation theory based on the insulator interatomic pair potential but including electronic excitations. The results are in agreement with several sets of experimental data in the 0.6 - 91 GPa pressure range.
Date:
February 26, 1980
Creator:
Rogers, F. J.; Ross, M.; Haggin, G. L. & Wong, L. K.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0307B.0163]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Ima Jones helps herself to tasty chow."
Date:
August 26, 1980
Creator:
Grier, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0338.0821]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "James Kerr . . . 14,000 hours logged, Aviator"
Date:
March 26, 1980
Creator:
McDaniel, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0308B.0248]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "A belly dancer names 'Jasmine' gives a few south Oklahoma City resident a preview of entertainment they can expect this weekend at Art Festival II."
Date:
August 26, 1980
Creator:
Miller, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0354.0480]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Frank Le Force is a resident of Putnam Heights in Oklahoma City and he's proud of his neighborhood."
Date:
March 26, 1980
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0348.0626]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Serry Laday and one of her children watch as firefighters attempt to revive her husband, Marshall Laday, who was overcome by smoke when he ran through the couple's burning apartment to rescue their two children."
Date:
August 26, 1980
Creator:
Grier, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0306B.0185]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
July 26, 1980
Creator:
Grier, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History