Degree Department

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Intracavity Frequency Doubling of a Diode-Pumped, External Cavity, Surface Emitting Semiconductor Laser (open access)

Intracavity Frequency Doubling of a Diode-Pumped, External Cavity, Surface Emitting Semiconductor Laser

The authors present a compact, robust, solid-state blue light (490 nm) source capable of greater than 5 mW of output in a TEM{sub 00} mode. This device is an optically pumped, vertical external-cavity surface-emitting laser (VECSEL) with an intracavity frequency doubling crystal.
Date: April 22, 1999
Creator: Alford, W. J.; Allerman, A. A.; Crawford, M. H. & Raymond, T. D.
Object Type: Article
System: The UNT Digital Library
The Oklahoma Daily (Norman, Okla.), Vol. 83, No. 146, Ed. 1 Thursday, April 22, 1999 (open access)

The Oklahoma Daily (Norman, Okla.), Vol. 83, No. 146, Ed. 1 Thursday, April 22, 1999

Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date: April 22, 1999
Creator: Allam, Heather
Object Type: Newspaper
System: The Gateway to Oklahoma History
News Bulletin (Castroville, Tex.), Vol. 41, No. 16, Ed. 1 Thursday, April 22, 1999 (open access)

News Bulletin (Castroville, Tex.), Vol. 41, No. 16, Ed. 1 Thursday, April 22, 1999

Weekly newspaper from Castroville, Texas that includes local, state, and national news along with extensive advertising.
Date: April 22, 1999
Creator: Barnes, Thomas
Object Type: Newspaper
System: The Portal to Texas History
The advantages of evaporation of Hafnium in a reactive environment to manufacture high damage threshold multilayer coatings by electron-beam deposition (open access)

The advantages of evaporation of Hafnium in a reactive environment to manufacture high damage threshold multilayer coatings by electron-beam deposition

None
Date: April 22, 1999
Creator: Bevis, R. P.; Sheehan, L. M.; Smith, D. J.; Stolz, C. J. & Von Gunten, M. K.
Object Type: Article
System: The UNT Digital Library
The Goldthwaite Eagle (Goldthwaite, Tex.), Vol. 105, No. 39, Ed. 1 Thursday, April 22, 1999 (open access)

The Goldthwaite Eagle (Goldthwaite, Tex.), Vol. 105, No. 39, Ed. 1 Thursday, April 22, 1999

Weekly newspaper from Goldthwaite, Texas that includes local, state, and national news along with extensive advertising.
Date: April 22, 1999
Creator: Bridges, G. Frank & Bridges, Georgie
Object Type: Newspaper
System: The Portal to Texas History
Perry Daily Journal (Perry, Okla.), Vol. 106, No. 79, Ed. 1 Thursday, April 22, 1999 (open access)

Perry Daily Journal (Perry, Okla.), Vol. 106, No. 79, Ed. 1 Thursday, April 22, 1999

Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date: April 22, 1999
Creator: Brown, Gloria
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Thursday, April 22, 1999 (open access)

The Express-Star (Chickasha, Okla.), Ed. 1 Thursday, April 22, 1999

Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date: April 22, 1999
Creator: Bush, Kent
Object Type: Newspaper
System: The Gateway to Oklahoma History
De Leon's Monitor (De Leon, Tex.), Vol. 4, No. 42, Ed. 1 Thursday, April 22, 1999 (open access)

De Leon's Monitor (De Leon, Tex.), Vol. 4, No. 42, Ed. 1 Thursday, April 22, 1999

Weekly newspaper from De Leon, Texas that includes local, state, and national news along with advertising.
Date: April 22, 1999
Creator: Chupp Holdman, Tracy
Object Type: Newspaper
System: The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 100, No. 30, Ed. 1 Thursday, April 22, 1999 (open access)

Altus Times (Altus, Okla.), Vol. 100, No. 30, Ed. 1 Thursday, April 22, 1999

Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date: April 22, 1999
Creator: Cole, Carol
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Baytown Sun (Baytown, Tex.), Vol. 77, No. 149, Ed. 1 Thursday, April 22, 1999 (open access)

The Baytown Sun (Baytown, Tex.), Vol. 77, No. 149, Ed. 1 Thursday, April 22, 1999

Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date: April 22, 1999
Creator: Dobbs, Gary
Object Type: Newspaper
System: The Portal to Texas History
The Canadian Record (Canadian, Tex.), Vol. 109, No. 67, Ed. 1 Thursday, April 22, 1999 (open access)

The Canadian Record (Canadian, Tex.), Vol. 109, No. 67, Ed. 1 Thursday, April 22, 1999

Weekly newspaper from Canadian, Texas that includes local, state and national news along with extensive advertising.
Date: April 22, 1999
Creator: Ezzell, Nancy & Brown, Laurie Ezzell
Object Type: Newspaper
System: The Portal to Texas History
Brandon Research, Inc. Orthopedic Implant Cooperative Research and Development Agreement (CRADA) Final Report (open access)

Brandon Research, Inc. Orthopedic Implant Cooperative Research and Development Agreement (CRADA) Final Report

The project was a joint research effort between the U. S. Department of Energy's (DOE) Kansas City Plant (KCP) and Brandon Research, Inc. to develop ways to improve implants used for orthopedic surgery for joint replacement. The primary product produced by this study is design information, which may be used to develop implants that will improve long-term fixation and durability in the host bone environment.
Date: April 22, 1999
Creator: Freeman, W.R.
Object Type: Report
System: The UNT Digital Library
Today Cedar Hill (Duncanville, Tex.), Vol. 34, No. 5, Ed. 1 Thursday, April 22, 1999 (open access)

Today Cedar Hill (Duncanville, Tex.), Vol. 34, No. 5, Ed. 1 Thursday, April 22, 1999

Weekly newspaper published in Duncanville, Texas that includes local Cedar Hill, state, and national news along with advertising.
Date: April 22, 1999
Creator: Gooch, Robin
Object Type: Newspaper
System: The Portal to Texas History
Final technical report for project industrial technology opportunities in the chemicals industry through cleaner raw materials identification (open access)

Final technical report for project industrial technology opportunities in the chemicals industry through cleaner raw materials identification

Report on progress made in both NRDC's work on impurities in raw materials and the pollution prevention work with Dow Chemical during the period of 10/1/98 through 1/31/99.
Date: April 22, 1999
Creator: Greer, L.
Object Type: Report
System: The UNT Digital Library
Sanger Courier (Sanger, Tex.), Vol. 100, No. 26, Ed. 1 Thursday, April 22, 1999 (open access)

Sanger Courier (Sanger, Tex.), Vol. 100, No. 26, Ed. 1 Thursday, April 22, 1999

Weekly newspaper from Sanger, Texas that includes local, state, and national news along with extensive advertising.
Date: April 22, 1999
Creator: Hardy, Lisa
Object Type: Newspaper
System: The Portal to Texas History
A Convergence Analysis of Unconstrained and Bound Constrained Evolutionary Pattern Search (open access)

A Convergence Analysis of Unconstrained and Bound Constrained Evolutionary Pattern Search

The authors present and analyze a class of evolutionary algorithms for unconstrained and bound constrained optimization on R{sup n}: evolutionary pattern search algorithms (EPSAs). EPSAs adaptively modify the step size of the mutation operator in response to the success of previous optimization steps. The design of EPSAs is inspired by recent analyses of pattern search methods. They show that EPSAs can be cast as stochastic pattern search methods, and they use this observation to prove that EpSAs have a probabilistic weak stationary point convergence theory. This work provides the first convergence analysis for a class of evolutionary algorithms that guarantees convergence almost surely to a stationary point of a nonconvex objective function.
Date: April 22, 1999
Creator: Hart, W.E.
Object Type: Article
System: The UNT Digital Library
Heat Treat of 3Z Valve Piston (open access)

Heat Treat of 3Z Valve Piston

To improve the processing of 3Z valve pistons in LF7 assemblies, material qualities are being investigated. After a review of the fracture toughness curve, it was noted that a change of a few degrees variation from the 900 F called for by the drawing would affect the fracture toughness of the product. After this observation it was decided to determine how close to the 900 F the parts were heat-treated. The subsequent study indicated that Federal Manufacturing & Technologies (FM&T) equipment held the product at 900 F {+-} 1.8 F.
Date: April 22, 1999
Creator: Hern, P.J.
Object Type: Report
System: The UNT Digital Library
Garber Billings News (Garber, Okla.), Vol. 99, No. 28, Ed. 1 Thursday, April 22, 1999 (open access)

Garber Billings News (Garber, Okla.), Vol. 99, No. 28, Ed. 1 Thursday, April 22, 1999

Weekly newspaper from Garber, Oklahoma that includes local, state, and national news along with advertising.
Date: April 22, 1999
Creator: Hogan, Vickie Lee
Object Type: Newspaper
System: The Gateway to Oklahoma History
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 84, No. 188, Ed. 1 Thursday, April 22, 1999 (open access)

Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 84, No. 188, Ed. 1 Thursday, April 22, 1999

Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date: April 22, 1999
Creator: Horn, Richard A.
Object Type: Newspaper
System: The Gateway to Oklahoma History
Port Aransas South Jetty (Port Aransas, Tex.), Vol. 29, No. 16, Ed. 1 Thursday, April 22, 1999 (open access)

Port Aransas South Jetty (Port Aransas, Tex.), Vol. 29, No. 16, Ed. 1 Thursday, April 22, 1999

Weekly newspaper from Port Aransas, Texas on Mustang Island that includes local, state and national news along with advertising.
Date: April 22, 1999
Creator: Judson, Mary
Object Type: Newspaper
System: The Portal to Texas History
Cooper Review (Cooper, Tex.), Vol. 119, No. 16, Ed. 1 Thursday, April 22, 1999 (open access)

Cooper Review (Cooper, Tex.), Vol. 119, No. 16, Ed. 1 Thursday, April 22, 1999

Weekly newspaper from Cooper, Texas that includes local, state, and national news along with advertising.
Date: April 22, 1999
Creator: Kisic, Theresa
Object Type: Newspaper
System: The Portal to Texas History
The West News (West, Tex.), Vol. 109, No. 16, Ed. 1 Thursday, April 22, 1999 (open access)

The West News (West, Tex.), Vol. 109, No. 16, Ed. 1 Thursday, April 22, 1999

Weekly newspaper from West, Texas that includes local, state, and national news along with advertising.
Date: April 22, 1999
Creator: Knapek, Larry
Object Type: Newspaper
System: The Portal to Texas History
Oxidation-resistant interfacial coatings for fiber-reinforced ceramic composites (open access)

Oxidation-resistant interfacial coatings for fiber-reinforced ceramic composites

A ceramic-matrix composite having a multilayered interfacial coating adapted to protect the reinforcing fibers from long-term oxidation, while allowing these to bridge the wake of advancing cracks in the matrix, is provided by selectively mismatching materials within adjacent layers of the interfacial coating, the materials having different coefficients of thermal expansion so that a low toughness interface region is created to promote crack deflection either within an interior layer of the mismatched interfacial coating or between adjacent layers of the mismatched interfacial coating.
Date: April 22, 1999
Creator: Lara-Curzio, Edgar; More, Karren L. & Lee, Woo Y.
Object Type: Patent
System: The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 123, No. 47, Ed. 1 Thursday, April 22, 1999 (open access)

The Albany News (Albany, Tex.), Vol. 123, No. 47, Ed. 1 Thursday, April 22, 1999

Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date: April 22, 1999
Creator: Lucas, Donnie A.
Object Type: Newspaper
System: The Portal to Texas History