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Type 1 Frequency Doubling at 1064 nm in LaCa40(B03)3 (LaCOB), GdCa40(B03)3(GdCOB), and YCa40(B03)3(YCOB)
We have grown and characterized LaCOB, a new member to the GdCOB family of nonlinear crystals. LaCOB has a d{sub eff} of 0.52 {plus_minus} 0.05 pm/V and an angular sensitivity of 1224 {plus_minus} 184 (cm-rad){sup -1} for type I frequency doubling at 1064 nm. The d{sub {alpha}{beta}{beta}} and d{sub {gamma}{beta}{beta}} coefficients of the nonlinear optical tensor for LaCOB, GdCOB, and YCOB were determined to have values of {vert_bar}0.26 {plus_minus} 0.04{vert_bar} pm/V and |1.69 {plus_minus} 0.17| pm/V, respectively. Results of phase-matching angle measurements at 1064 nm and 1047 nm predict LaCOB to be non-critically phase-matched (NCPM) at 1042 {plus_minus} 1.5 nm. We also estimate the thermal sensitivity of LaCOB to be less than 0.1 (cm- C){sup -1}.
Date:
March 7, 2001
Creator:
Adams, J. J.; Ebbers, C. A.; Schaffers, K. I. & Payne, S. A.
Object Type:
Article
System:
The UNT Digital Library
Trade Legislation in the 106th Congress: An Overview
The 106th Congress completed action on a number of major trade initiatives. The impact on American firms and workers was a paramount concern in the passage of this legislation. Most notably, bills were passed to establish "normal trade relations" with China, deepen economic ties with the countries of Sub-Saharan Africa, enhance trade benefits for 24 Caribbean Basin countries, and to ease trade sanctions on Cuba and other countries. Congress also voted to maintain U.S. participation in the World Trade Organization (WTO), as well as worked with the Clinton Administration to pass replacement legislation for the Foreign Sales Corporation (FSC) tax benefit for U.S. exports. The latter action averted, at least until mid-2001, the imposition of punitive tariffs by the European Union on an estimated $4 billion in U.S. exports.
Date:
March 7, 2001
Creator:
Ahearn, Raymond J. & Jones, Vivian C.
Object Type:
Report
System:
The UNT Digital Library
Sensor Acquisition for Water Utilities: A Survey and Technology List
The early detection of the deliberate biological and chemical contamination of water distribution systems is a necessary capability for securing the nation's water supply. Current and emerging early-detection technology capabilities and shortcomings need to be identified and assessed to provide government agencies and water utilities with an improved methodology for assessing the value of installing these technologies. The Department of Homeland Security (DHS) has tasked a multi-laboratory team to evaluate current and future needs to protect the nation's water distribution infrastructure by supporting an objective evaluation of current and new technologies. The primary deliverables from this Operational Technology Demonstration (OTD) are the following: (1) establishment of an advisory board for review and approval of testing protocols, technology acquisition processes and recommendations for technology test and evaluation in laboratory and field settings; (2) development of a technology acquisition process; (3) creation of laboratory and field testing and evaluation capability; and (4) testing of candidate technologies for insertion into a water early warning system. The initial phase of this study involves the development of two separate but complementary strategies to be reviewed by the advisory board: (1) a technology acquisition strategy, and (2) a technology evaluation strategy. Lawrence Livermore National Laboratory and …
Date:
March 7, 2005
Creator:
Alai, M; Glascoe, L; Love, A; Johnson, M & Einfeld, W
Object Type:
Report
System:
The UNT Digital Library
Oral History Interview with John Alison, March 7, 2004
The National Museum of the Pacific War presents an oral interview with John Alison. Alsion was born in Florida in 1912 and graduated from the University of Florida. Soon after graduation he was accepted into the Army Flying School at Randolph Field, Texas. After competing primary flight training he moved to Kelly Field, Texas for advanced training and was selected to fly fighters. Upon receiving his wings in 1937 he was ordered to report to Langley Field, Virginia where he was assigned to the 8th Pursuit Group flying the PB2A pursuit plane. In 1940 the group moved to Mitchell, Field, New York and the 57th Pursuit Group was formed. Alison was named squadron commander of the 66th Pursuit Squadron. He was directed to demonstrate the Curtis P-40 fighter to General Claire Chennault and a group of Chinese generals. He describes his flight demonstration and the obvious satisfaction of shown by all concerned. In April 1941, he went to England with the Hubert Zemke to assist the Royal Air Force in the integration of the P-40 into the RAF. While there, he was selected to accompany American Ambassador Harry Hopkins as a military attaché of the US Embassy in Moscow. He …
Date:
March 7, 2004
Creator:
Alison, John R.
Object Type:
Sound
System:
The Portal to Texas History
Oral History Interview with John Alison, March 7, 2004
The National Museum of the Pacific War presents an oral interview with John Alison. Alsion was born in Florida in 1912 and graduated from the University of Florida. Soon after graduation he was accepted into the Army Flying School at Randolph Field, Texas. After competing primary flight training he moved to Kelly Field, Texas for advanced training and was selected to fly fighters. Upon receiving his wings in 1937 he was ordered to report to Langley Field, Virginia where he was assigned to the 8th Pursuit Group flying the PB2A pursuit plane. In 1940 the group moved to Mitchell, Field, New York and the 57th Pursuit Group was formed. Alison was named squadron commander of the 66th Pursuit Squadron. He was directed to demonstrate the Curtis P-40 fighter to General Claire Chennault and a group of Chinese generals. He describes his flight demonstration and the obvious satisfaction of shown by all concerned. In April 1941, he went to England with the Hubert Zemke to assist the Royal Air Force in the integration of the P-40 into the RAF. While there, he was selected to accompany American Ambassador Harry Hopkins as a military attaché of the US Embassy in Moscow. He …
Date:
March 7, 2004
Creator:
Alison, John R.
Object Type:
Text
System:
The Portal to Texas History
Dedicated OO expertise applied to Run II software projects
The change in software language and methodology by CDF and D0 to object-oriented from procedural Fortran is significant. Both experiments requested dedicated expertise that could be applied to software design, coding, advice and review. The Fermilab Run II offline computing outside review panel agreed strongly with the request and recommended that the Fermilab Computing Division hire dedicated OO expertise for the CDF/D0/Computing Division joint project effort. This was done and the two experts have been an invaluable addition to the CDF and D0 upgrade software projects and to the Computing Division in general. These experts have encouraged common approaches and increased the overall quality of the upgrade software. Advice on OO techniques and specific advice on C++ coding has been used. Recently a set of software reviews has been accomplished. This has been a very successful instance of a targeted application of computing expertise, and constitutes a very interesting study of how to move toward modern computing methodologies in HEP.
Date:
March 7, 2000
Creator:
Amidei, D.
Object Type:
Article
System:
The UNT Digital Library
Altus Times (Altus, Okla.), Vol. 105, No. 304, Ed. 1 Sunday, March 7, 2004
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 7, 2004
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 106, No. 284, Ed. 1 Monday, March 7, 2005
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 7, 2005
Creator:
Andrews, Mike
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Guest Recital: 2000-03-07 - Yuri Anshelevich, Cello
Access:
Use of this item is restricted to the UNT Community
Guest artist recital performed at the UNT College of Music.
Date:
March 7, 2000
Creator:
Anshelevich, Yuri
Object Type:
Sound
System:
The UNT Digital Library
European Union Enlargement
On May 1, 2004, 10 states joined the European Union (EU), enlarging the Union to 25 members. The EU views the enlargement process as an historic opportunity to promote stability in Europe and further the integration of the continent by peaceful means. In addition to the 10 new members (Cyprus, the Czech Republic, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia, and Slovenia), three other states — Bulgaria, Romania, and Croatia — hope to accede to the EU by 2007. Turkey is also a candidate and is expected to begin accession negotiations in 2005. Macedonia has also applied for EU membership.
Date:
March 7, 2005
Creator:
Archick, Kristin
Object Type:
Report
System:
The UNT Digital Library
The European Union in 2005 and Beyond
The European Union (EU) experienced significant changes in 2004 as it enlarged from 15 to 25 members and continued work on a new constitutional treaty to institute internal reforms and further EU political integration. In 2005, the EU is expected to build on these efforts and seek to implement several recent foreign policy and defense initiatives. This report describes the current status of the EU’s “constitution,” EU enlargement, the EU’s evolving foreign and defense policies, and possible implications for U.S.-EU relations.
Date:
March 7, 2005
Creator:
Archick, Kristin
Object Type:
Report
System:
The UNT Digital Library
The European Union: Questions and Answers
This report provides answers to key questions related to the European Union (EU). It describes the EU’s evolution, its governing institutions, trade policy, and efforts to forge common foreign and defense policies. The report also addresses the EU-U.S. and EU-NATO relationships.
Date:
March 7, 2005
Creator:
Archick, Kristin
Object Type:
Report
System:
The UNT Digital Library
The European Union's "Constitution"
In June 2004, the European Union (EU) concluded work on a constitutional treaty that contains changes to the EU’s governing institutions and decision-making processes. This new “constitution” grew out of the 2002-2003 Convention on the Future of Europe and previous EU efforts to institute internal reforms ahead of the Union’s expansion from 15 members to 25 in May 2004. The “constitution” aims to enable a larger EU to operate effectively and prevent gridlock, but it must still be ratified by all member states before it enters into force. This report provides background information on the Convention and describes the EU “constitution,” its key provisions, next steps, and possible implications for the U.S.-EU relationship.
Date:
March 7, 2005
Creator:
Archick, Kristin
Object Type:
Report
System:
The UNT Digital Library
B, D and K Decays
The present report documents the results of Working Group 2: B, D and K decays, of the workshop on Flavor in the Era of the LHC, held at CERN from November 2005 through March 2007. With the advent of the LHC, we will be able to probe New Physics (NP) up to energy scales almost one order of magnitude larger than it has been possible with present accelerator facilities. While direct detection of new particles will be the main avenue to establish the presence of NP at the LHC, indirect searches will provide precious complementary information, since most probably it will not be possible to measure the full spectrum of new particles and their couplings through direct production. In particular, precision measurements and computations in the realm of flavor physics are expected to play a key role in constraining the unknown parameters of the Lagrangian of any NP model emerging from direct searches at the LHC. The aim of Working Group 2 was twofold: on one hand, to provide a coherent, up-to-date picture of the status of flavor physics before the start of the LHC; on the other hand, to initiate activities on the path towards integrating information on NP …
Date:
March 7, 2008
Creator:
Artuso, M.; Asner, D. M.; Ball, P.; Baracchini, E.; Bell, G.; Beneke, M. et al.
Object Type:
Article
System:
The UNT Digital Library
Subsurface Transport Over Reactive Multiphases (STORM): A general, coupled, nonisothermal multiphase flow, reactive transport, and porous medium alteration simulator, Version 2 user's guide
The Hanford Site, in southeastern Washington State, has been used extensively to produce nuclear materials for the US strategic defense arsenal by the Department of Energy (DOE) and its predecessors, the US Atomic Energy Commission and the US Energy Research and Development Administration. A large inventory of radioactive and mixed waste has accumulated in 177 buried single- and double shell tanks. Liquid waste recovered from the tanks will be pretreated to separate the low-activity fraction from the high-level and transuranic wastes. Vitrification is the leading option for immobilization of these wastes, expected to produce approximately 550,000 metric tons of Low Activity Waste (LAW) glass. This total tonnage, based on nominal Na{sub 2}O oxide loading of 20% by weight, is destined for disposal in a near-surface facility. Before disposal of the immobilized waste can proceed, the DOE must approve a performance assessment, a document that described the impacts, if any, of the disposal facility on public health and environmental resources. Studies have shown that release rates of radionuclides from the glass waste form by reaction with water determine the impacts of the disposal action more than any other independent parameter. This report describes the latest accomplishments in the development of a …
Date:
March 7, 2000
Creator:
Bacon, D. H.; White, M. D. & McGrail, B. P.
Object Type:
Report
System:
The UNT Digital Library
Subsurface Transport Over Reactive Multiphases (STORM): A General, Coupled, Nonisothermal Multiphase Flow, Reactive Transport, and Porous Medium Alteration Simulator, Version 2, User's Guide
N/A
Date:
March 7, 2000
Creator:
Bacon, Diana H.; White, Mark D. & McGrail, B. Peter
Object Type:
Report
System:
The UNT Digital Library
Computer-aided analysis of eddy current rotating probe data.
Eddy current (EC) estimate of flaw size obtained from inservice inspection is often the primary means of assessing the structural integrity of steam generator tubes. Reliable prediction of failure pressure and leak rate in tubes with complex cracking requires more detailed information about the geometry and extent of degradation than is generally available from conventional bobbin coil examinations. High-resolution inspections with EC rotating probes are thus carried out on selected regions of tubing to provide the more extensive nondestructive evaluation (NDE) information that is needed to better assess flaw size and distribution. Interpretation of signals from complex cracking that are often distorted by coherent and incoherent noise can be a challenging NDE task. Studies at Argonne National Laboratory have demonstrated that computer-aided data analysis can be used for more accurate and efficient processing of the large amounts of data collected by such probes. The basic structure of a rule-based multiparameter data analysis algorithm is described in this paper. Multiple-frequency inspection data from a standard rotating pancake coil were used for the analyses. The codes were implemented as MATLAB scripts and provide, as the final outcome, profiles of flaw depth in a section of tube. Graphical user interface tools were devised …
Date:
March 7, 2002
Creator:
Bakhtiari, S.; Park, J. Y.; Kupperman, D. S. & Shack, W. J.
Object Type:
Article
System:
The UNT Digital Library
"Computational Modeling of Actinide Complexes"
We will present our recent studies on computational actinide chemistry of complexes which are not only interesting from the standpoint of actinide coordination chemistry but also of relevance to environmental management of high-level nuclear wastes. We will be discussing our recent collaborative efforts with Professor Heino Nitsche of LBNL whose research group has been actively carrying out experimental studies on these species. Computations of actinide complexes are also quintessential to our understanding of the complexes found in geochemical, biochemical environments and actinide chemistry relevant to advanced nuclear systems. In particular we have been studying uranyl, plutonyl, and Cm(III) complexes are in aqueous solution. These studies are made with a variety of relativistic methods such as coupled cluster methods, DFT, and complete active space multi-configuration self-consistent-field (CASSCF) followed by large-scale CI computations and relativistic CI (RCI) computations up to 60 million configurations. Our computational studies on actinide complexes were motivated by ongoing EXAFS studies of speciated complexes in geo and biochemical environments carried out by Prof Heino Nitsche's group at Berkeley, Dr. David Clark at Los Alamos and Dr. Gibson's work on small actinide molecules at ORNL. The hydrolysis reactions of urnayl, neputyl and plutonyl complexes have received considerable attention due …
Date:
March 7, 2007
Creator:
Balasubramanian, K
Object Type:
Article
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 32, No. 20, Ed. 1 Friday, March 7, 2003
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 7, 2003
Creator:
Baldwin, Alisha
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Energy Policy: Conceptual Framework and Continuing Issues
None
Date:
March 7, 2007
Creator:
Bamberger, Robert
Object Type:
Report
System:
The UNT Digital Library
Groundwater Monitoring Plan for the Hanford Site 216-B-3 Pond RCRA Facility, Interim Change Notice 1
This form updates the groundwater monitoring plan for the B Pond system and documents revision agreed upon with the Washington State Department of Ecology concerning well network, constitutuent list, statistical analysis, and report procedures.
Date:
March 7, 2002
Creator:
Barnett, D. Brent
Object Type:
Report
System:
The UNT Digital Library
Activation of the Mercury Laser: A Diode-Pumped Solid-State Laser Driver for Inertial Fusion
Initial measurements are reported for the Mercury laser system, a scalable driver for rep-rated high energy density physics research. The performance goals include 10% electrical efficiency at 10 Hz and 100 J with a 2-10 ns pulse length. This laser is an angularly multiplexed 4-pass gas-cooled amplifier system based on image relaying to minimize wavefront distortion and optical damage risk at the 10 Hz operating point. The efficiency requirements are fulfilled using diode laser pumping of ytterbium doped strontium fluorapatite crystals.
Date:
March 7, 2001
Creator:
Bayramian, A. J.; Bibeau, C.; Beach, R. J.; Chanteloup, J. C.; Ebbers, C. A.; Kanz, K. et al.
Object Type:
Article
System:
The UNT Digital Library
Agricultural Biotechnology: Background and Recent Issues
Since the first genetically engineered (GE) crops (also called GM [genetically modified] crops, or GMOs, genetically modified organisms) became commercially available in the mid-1990s, U.S. soybean, cotton, and corn farmers have rapidly adopted them. As adoption has spread, there have been policy debates over the costs and benefits of GE products. Issues include the impacts of GE crops on the environment and food safety, and whether GE foods should be specially labeled. Congress generally has been supportive of GE agricultural products, although some Members have expressed wariness about their adoption and regulation. The 109th Congress will likely continue to follow trade developments, particularly the U.S.-EU dispute, as well as U.S. regulatory mechanisms for approving biotech foods.
Date:
March 7, 2005
Creator:
Becker, Geoffrey S.
Object Type:
Report
System:
The UNT Digital Library
Animal Identification and Meat Traceability
U.S. animal agriculture is seeking to improve its ability to trace the movement of livestock from their birthplace to slaughter. The livestock and meat industries are working with the U.S. government to develop a national animal identification (ID) plan for livestock disease tracking purposes. This report focuses on animal ID and, to a lesser extent, on meat traceability.
Date:
March 7, 2006
Creator:
Becker, Geoffrey S.
Object Type:
Report
System:
The UNT Digital Library