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462 Matching Results
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Generalized Alvarez lens for correction of laser aberrations
The Alvarez lens (US Patent No. 3,305,294 [1]) is a compact aberration corrector. The original design emphasized in the patent consists of a pair of adjacent optical elements that provide a variable focus. A lens system with a variable effective focal length is nothing new. Such systems are widely used in cameras, for example. It is the compactness and simplicity of operation that is the key advantage of the Alvarez lens. All of the complexity is folded into the design and fabrication of the optical elements. As mentioned in the Alvarez patent [1] and elaborated upon in Palusinski et al. [2], if one is willing to fold even more complexity into the optical elements, it is possible to correct higher-order aberrations as well. There is no theoretical limit to the number or degree of wavefront distortions that can be corrected. The only limitation is that there must be a fixed relative magnitude of the aberrations. Independent correction of each component of the higher-order aberrations can not be performed without additional elements and degrees of freedom [3]. Under some circumstances, coupling may be observed between different aberrations. This can be mitigated with the appropriate choice of design parameters. New methods are …
Date:
December 2, 2004
Creator:
LaFortune, K N
Object Type:
Report
System:
The UNT Digital Library
Hondo Anvil Herald (Hondo, Tex.), Vol. 118, No. 49, Ed. 1 Thursday, December 2, 2004
Weekly newspaper from Hondo, Texas that includes local, state, and national news along with extensive advertising.
Date:
December 2, 2004
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Immigration Consequences of Criminal Activity
Congress has broad plenary authority to determine classes of aliens who maybe admitted into the United States and the grounds for which they may be removed. Pursuant to the Immigration and Nationality Act (INA), as amended, certain conduct may either disqualify an alien from entering the United States (“inadmissibility”) or provide grounds for his or her removal/deportation. Prominently included among this conduct is criminal activity. “Criminal activity” comprises acts violative of federal, state, or, in many cases, foreign criminal law. It does not cover violations of the INA that are not crimes, most notably, being in the U.S. without legal permission. Thus, the term “illegal alien” – an alien without legal status – is not synonymous with “criminal alien.”
Date:
December 2, 2004
Creator:
Garcia, Michael John & Eig, Larry M.
Object Type:
Report
System:
The UNT Digital Library
Industrial Competitiveness and Technological Advancement: Debate Over Government Policy
This report discusses the debate over government policy regarding industrial competitiveness and technological advancement. Background, legislative initiatives, and different approaches are among topics discussed in this report.
Date:
December 2, 2004
Creator:
Schacht, Wendy H.
Object Type:
Report
System:
The UNT Digital Library
Intelligence Community Reorganization: Potential Effects on DOD Intelligence Agencies
None
Date:
December 2, 2004
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The Leonard Graphic (Leonard, Tex.), Vol. 114, No. 49, Ed. 1 Thursday, December 2, 2004
Weekly newspaper from Leonard, Texas that includes local, state, and national news along with advertising.
Date:
December 2, 2004
Creator:
Russell, Bethany
Object Type:
Newspaper
System:
The Portal to Texas History
Major Tax Issues in the 108th Congress
This report provides an overview of major tax issues. It begins by describing three aspects of the economic context in which the tax policy debate during 2004 is likely to occur: the general state of the U.S. economy; the position of the federal budget; and the level of taxes in the United States.
Date:
December 2, 2004
Creator:
Brumbaugh, David L.
Object Type:
Report
System:
The UNT Digital Library
The Megaphone (Georgetown, Tex.), Vol. 99, No. 11, Ed. 1 Thursday, December 2, 2004
Weekly student newspaper from Southwestern University in Georgetown, Texas that includes campus news along with advertising.
Date:
December 2, 2004
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Oak Ridge Reservation Annual Site Environmental Report Summary, 2003
A mission of foremost importance to the Department of Energy and our contractors is to provide our stakeholders with a complete understanding of the consequences of our operations, both past and present. To do this, an extensive annual multimillion-dollar monitoring and surveillance program collects and analyzes tens of thousands of samples from air, surface and groundwater, soil, mud, plants, and animals. The results are published in a detailed Annual Site Environmental Report available to all. We also publish a separate Data Volume for those who wish to see the raw data. Though these documents present all the facts and figures, they are long, technical, and not always easy to read. Thus, I team with a local high school each year and ask students to write an Annual Site Environmental Report Summary specifically for the public. These documents are perhaps the most important reports the Department of Energy produces. Why? First, they lay out the environmental monitoring programs and the consequences of Department of Energy operations in great detail to our legislatures, stakeholders, and the public; second, they represent the efforts of many dedicated environmental scientists who carry out these extensive programs and work hard to protect and enhance the environment; …
Date:
December 2, 2004
Creator:
Hughes, JF
Object Type:
Report
System:
The UNT Digital Library
The Odem-Edroy Times (Odem, Tex.), Vol. 58, No. 48, Ed. 1 Thursday, December 2, 2004
Weekly newspaper from Odem, Texas that includes local, state, and national news along with advertising.
Date:
December 2, 2004
Creator:
Tracy, Jimmy
Object Type:
Newspaper
System:
The Portal to Texas History
The Oklahoma Daily (Norman, Okla.), Vol. 88, No. 72, Ed. 1 Thursday, December 2, 2004
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
December 2, 2004
Creator:
Warren, Lee B.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Oklahoma Eagle (Tulsa, Okla.), Vol. 83, No. 49, Ed. 1 Thursday, December 2, 2004
Weekly newspaper from Tulsa, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 2, 2004
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Oral History Interview with Fred Wersebe, Jr., December 2, 2004
The National Museum of the Pacific War presents an oral interview with Fred Wersebe, Jr. Wersebe joined the Navy in the late 1930s. He was sent to China to serve on the USS Black Hawk (AD-9) and became a machinist mate. Wersebe describes pre-war Shanghai and some his experiences on liberty and shore patrol. He was sent back to the US and assigned to a destroyer and served in several battles. Wersebe mentions one incident where he saw the face of a Japanese pilot who had tried to torpedo his ship off of Okinawa. He was sent to China near the end of the war to work with SACO and was captured by the Japanese for a short time. Wersebe describes his liberation and return to the US. He reenlisted as a chief and served aboard destroyers for several years.
Date:
December 2, 2004
Creator:
Wersebe, Fred Jr.
Object Type:
Sound
System:
The Portal to Texas History
Oral History Interview with Fred Wersebe, Jr., December 2, 2004
The National Museum of the Pacific War presents an oral interview with Fred Wersebe, Jr. Wersebe joined the Navy in the late 1930s. He was sent to China to serve on the USS Black Hawk (AD-9) and became a machinist mate. Wersebe describes pre-war Shanghai and some his experiences on liberty and shore patrol. He was sent back to the US and assigned to a destroyer and served in several battles. Wersebe mentions one incident where he saw the face of a Japanese pilot who had tried to torpedo his ship off of Okinawa. He was sent to China near the end of the war to work with SACO and was captured by the Japanese for a short time. Wersebe describes his liberation and return to the US. He reenlisted as a chief and served aboard destroyers for several years.
Date:
December 2, 2004
Creator:
Wersebe, Fred Jr.
Object Type:
Text
System:
The Portal to Texas History
Oral History Interview with Robert Stahl, December 2, 2004
The National Museum of the Pacific War presents an oral interview with Robert Stahl. Stahl qualified for aviation cadet training in the Army Air Forces in June 1943. In May 1944, he reported for bombardier training in New Mexico. When he got to England in early 1945, he was assigned to the 93rd Bomb Group. Stahl flew 21 combat missions as a bombardier in a B-24. Stahl shares several anecdotes about flying mission, living on base and exploring England. He returned to the US and was training as a bombardier in B-29s when the war ended.
Date:
December 2, 2004
Creator:
Stahl, Robert
Object Type:
Sound
System:
The Portal to Texas History
Oral History Interview with Robert Stahl, December 2, 2004
The National Museum of the Pacific War presents an oral interview with Robert Stahl. Stahl qualified for aviation cadet training in the Army Air Forces in June 1943. In May 1944, he reported for bombardier training in New Mexico. When he got to England in early 1945, he was assigned to the 93rd Bomb Group. Stahl flew 21 combat missions as a bombardier in a B-24. Stahl shares several anecdotes about flying mission, living on base and exploring England. He returned to the US and was training as a bombardier in B-29s when the war ended.
Date:
December 2, 2004
Creator:
Stahl, Robert
Object Type:
Text
System:
The Portal to Texas History
Perry Daily Journal (Perry, Okla.), Vol. 111, No. 230, Ed. 1 Thursday, December 2, 2004
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 2, 2004
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Pesticide Law: A Summary of the Statutes
None
Date:
December 2, 2004
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Polk County Enterprise (Livingston, Tex.), Vol. 122, No. 97, Ed. 1 Thursday, December 2, 2004
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
December 2, 2004
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
Port Aransas South Jetty (Port Aransas, Tex.), Vol. 34, No. 49, Ed. 1 Thursday, December 2, 2004
Weekly newspaper from Port Aransas, Texas on Mustang Island that includes local, state and national news along with extensive advertising.
Date:
December 2, 2004
Creator:
Judson, Mary Henkel
Object Type:
Newspaper
System:
The Portal to Texas History
A Presidential Item Veto
During a news conference on November 4, 2004, President George W. Bush stated that he “would like to see the President have a line-item veto again, one that passed constitutional muster. I think it would help the executive branch work with the legislative branch to make sure that we’re able to maintain budget discipline.” The Supreme Court struck down an earlier version of item-veto authority (the Line Item Veto Act of 1996) in Clinton v. City of New York, 524 U.S. 417 (1998), but several statutory alternatives are available. Options to the Line Item Veto Act have been proposed over the years, including an amendment to the Constitution to grant the President item-veto authority. The line-item veto is listed among several budget reform proposals included in the FY2005 budget, but a more specific recommendation is expected to be developed by the Administration and submitted to Congress at the start of the 109th Congress. This report analyzes the statutory and constitutional alternatives that are likely to be considered and will be updated as necessary.
Date:
December 2, 2004
Creator:
Fisher, Louis
Object Type:
Report
System:
The UNT Digital Library
Production of Depleted UO<sub>2</sub>Kernels for the Advanced Gas-Cooled Reactor Program for Use in TRISO Coating Development
The main objective of the Depleted UO{sub 2} Kernels Production Task at Oak Ridge National Laboratory (ORNL) was to conduct two small-scale production campaigns to produce 2 kg of UO{sub 2} kernels with diameters of 500 {+-} 20 {micro}m and 3.5 kg of UO{sub 2} kernels with diameters of 350 {+-} 10 {micro}m for the U.S. Department of Energy Advanced Fuel Cycle Initiative Program. The final acceptance requirements for the UO{sub 2} kernels are provided in the first section of this report. The kernels were prepared for use by the ORNL Metals and Ceramics Division in a development study to perfect the triisotropic (TRISO) coating process. It was important that the kernels be strong and near theoretical density, with excellent sphericity, minimal surface roughness, and no cracking. This report gives a detailed description of the production efforts and results as well as an in-depth description of the internal gelation process and its chemistry. It describes the laboratory-scale gel-forming apparatus, optimum broth formulation and operating conditions, preparation of the acid-deficient uranyl nitrate stock solution, the system used to provide uniform broth droplet formation and control, and the process of calcining and sintering UO{sub 3} {center_dot} 2H{sub 2}O microspheres to form dense …
Date:
December 2, 2004
Creator:
Collins, J. L.
Object Type:
Report
System:
The UNT Digital Library
Report on Cost-Effectiveness and Energy Svaings from Application of Low-Cost Wireless Sensing
This report characterizes commercially available wireless technologies that are already being used in building applications or that are suitable for use in commercial buildings. The discussion provides an overview of fundamental concepts of radial broadcasting systems, as well as mesh networks, and will highlight the opportunities and challenges in their integration into existing wired control networks. This report describes two demonstration projects of wireless sensors and their integration into existing control networks and discusses their cost per sensor, their ease of installation, and their reliability. It also describes the load control strategies implemented as a consequence of having the additional data provided by the wireless sensors and provides estimates of the resulting energy and cost savings. The report concludes with presentation of some general future prospects for wireless technologies in buildings applications.
Date:
December 2, 2004
Creator:
Kintner-Meyer, Michael CW; Skorpik, James R. & Reid, Larry D.
Object Type:
Report
System:
The UNT Digital Library
Rio Grande Herald (Rio Grande City, Tex.), Vol. 91, No. 49, Ed. 1 Thursday, December 2, 2004
Weekly newspaper from Rio Grande City, Texas that includes local, state and national news along with extensive advertising.
Date:
December 2, 2004
Creator:
Roberts, Kenneth
Object Type:
Newspaper
System:
The Portal to Texas History