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4-wave mixing for phase-matching free nonlinear optics in quantum cascade structures : LDRD 08-0346 final report.
Optical nonlinearities and quantum coherences have the potential to enable efficient, high-temperature generation of coherent THz radiation. This LDRD proposal involves the exploration of the underlying physics using intersubband transitions in a quantum cascade structure. Success in the device physics aspect will give Sandia the state-of-the-art technology for high-temperature THz quantum cascade lasers. These lasers are useful for imaging and spectroscopy in medicine and national defense. Success may have other far-reaching consequences. Results from the in-depth study of coherences, dephasing and dynamics will eventually impact the fields of quantum computing, optical communication and cryptology, especially if we are successful in demonstrating entangled photons or slow light. An even farther reaching development is if we can show that the QC nanostructure, with its discrete atom-like intersubband resonances, can replace the atom in quantum optics experiments. Having such an 'artificial atom' will greatly improve flexibility and preciseness in experiments, thereby enhancing the discovery of new physics. This is because we will no longer be constrained by what natural can provide. Rather, one will be able to tailor transition energies and optical matrix elements to enhance the physics of interest. This report summarizes a 3-year LDRD program at Sandia National Laboratories exploring optical …
Date:
October 1, 2010
Creator:
Chow, Weng Wah; Wanke, Michael Clement; Allen, Dan G.; Yang, Zhenshan & Waldmueller, Ines
System:
The UNT Digital Library
The "8(a) Program" for Small Businesses Owned and Controlled by the Socially and Economically Disadvantaged: Legal Requirements and Issues
This report provides a brief history of the 8(a) Program, summarizes key requirements, and discusses legal challenges alleging that the program's presumption that members of certain racial and ethnic groups are socially disadvantaged violates the constitutional guarantee of equal protection.
Date:
October 12, 2012
Creator:
Manuel, Kate M. & Luckey, John R.
System:
The UNT Digital Library
I-35 Statewide Corridor Plan: A Path to 2040
None
Date:
October 2016
Creator:
Texas. Transportation Planning and Programming Division.
System:
The Portal to Texas History
100 Area D4 Project Building Completion Report: December 2008 to December 2009
This report documents the final status of buildings after the completion of D4 activities at the 100 Area of the U.S. Department of Energy Hanford Site from December 1, 2008, to December 31, 2009.
Date:
October 26, 2010
Creator:
K.G. Finucane, J.P. Harrie
System:
The UNT Digital Library
100 LPW 800 Lm Warm White LED
An illumination grade warm white (WW) LED, having correlated color temperature (CCT) between 2800 K and 3500K and capable of producing 800 lm output at 100 lm/W, has been developed in this program. The high power WW LED is an ideal source for use as replacement for incandescent, and Halogen reflector and general purpose lamps of similar lumen value. Over the two year period, we have made following accomplishments: developed a high power warm white LED product and made over 50% improvements in light output and efficacy. The new high power WW LED product is a die on ceramic surface mountable LED package. It has four 1x1 mm{sup 2} InGaN pump dice flip chip attached to a ceramic submount in 2x2 array, covered by warm white phosphor ceramic platelets called Lumiramic™ and an overmolded silicone lens encapsulating the LED array. The performance goal was achieved through breakthroughs in following key areas: (1) High efficiency pump LED development through pump LED active region design and epi growth quality improvement (funded by internal programs). (2) Increase in injection efficiency (IE) represented by reduction in forward voltage (V{sub f}) through the improvement of the silver-based p-contact and a reduction in spreading resistance. The …
Date:
October 31, 2010
Creator:
Sun, Decai
System:
The UNT Digital Library
200-DV-1OU Sediment and Pore Water Analysis and Report for Samples at Borehole C8096
This is an analytical data report for sediment samples received at 200-DV-1 OU. On August 30, 2011 sediment samples were received from 200-DV-1 OU Borehole C8096 for geochemical studies. The analyses for this project were performed at the 331 building located in the 300 Area of the Hanford Site. The analyses were performed according to Pacific Northwest National Laboratory (PNNL) approved procedures and/or nationally recognized test procedures. The data sets include the sample identification numbers, analytical results, estimated quantification limits (EQL), and quality control data. The preparatory and analytical quality control requirements, calibration requirements, acceptance criteria, and failure actions are defined in the on-line QA plan 'Conducting Analytical Work in Support of Regulatory Programs' (CAW). This QA plan implements the Hanford Analytical Services Quality Assurance Requirements Documents (HASQARD) for PNNL.
Date:
October 1, 2011
Creator:
Lindberg, Michael J.
System:
The UNT Digital Library
340 Waste handling Facility Hazard Categorization and Safety Analysis
The analysis presented in this document provides the basis for categorizing the facility as less than Hazard Category 3.
Date:
October 25, 2010
Creator:
Rodovsky, T. J.
System:
The UNT Digital Library
501(c)(4) Organizations and Campaign Activity: Analysis Under Tax and Campaign Finance Laws
This report discusses requirements to maintain 501(c)(4) status, potential tax consequences, and reporting requirements to file with the Internal Revenue Service.
Date:
October 21, 2010
Creator:
Lunder, Erika K. & Whitaker, L. Paige
System:
The UNT Digital Library
1st Advanced Marine Renewable Energy Instrumentation Experts Workshop: April 5-7, 2011
The U.S. marine energy industry is actively pursuing development of offshore wind and marine hydrokinetic (MHK) energy systems. Experience in the wind energy sector demonstrates that new technology development requires thorough measurement and characterization of the environmental conditions prevalent at installation sites and of technology operating in the field. Presently, there are no turn-key instrumentation system solutions that meet the measurement needs of the marine energy industry. The 1st Advanced Marine Renewable Energy Instrumentation Experts Workshop brought together technical experts from government laboratories, academia, and industry representatives from marine energy, wind, offshore oil and gas, and instrumentation developers to present and discuss the instrumentation needs of the marine energy industry. The goals of the meeting were to: (1) Share the latest relevant knowledge among technical experts; (2) Review relevant state-of-the-art field measurement technologies and methods; (3) Review lessons learned from recent field deployments; (4) Identify synergies across different industries; (5) Identify gaps between existing and needed instrumentation capabilities; (6) Understand who are the leading experts; (7) Provide a forum where stakeholders from the marine energy industry could provide substantive input in the development of new marine energy field deployable instrumentation packages.
Date:
October 1, 2011
Creator:
unknown
System:
The UNT Digital Library
2006 National Ambient Air Quality Standards (NAAQS) for Fine Particulate Matter (PM2.5): Designating Nonattainment Areas
This report focuses primarily on the NAAQS implementation process for designating geographical nonattainment areas with respect to the tightening of the PM2.5 standards under the 2006 particulates NAAQS, including comparisons with the final designations under the 1997 PM2.5 NAAQS. Also included is a brief overview of states' subsequent obligations for developing and submitting implementation plans (SIPs) for attaining or maintaining compliance with the NAAQS.
Date:
October 25, 2012
Creator:
Esworthy, Robert
System:
The UNT Digital Library
The 2007-2009 Recession: Similarities to and Differences from the Past
According to the National Bureau of Economic Research (NBER), the U.S. economy was in a recession for 18 months from December 2007 to June 2009. It was the longest and deepest recession of the post-World War II era. This report provides information on the patterns found across past recessions since World War II to gauge whether and how this recession might be different.
Date:
October 6, 2010
Creator:
Labonte, Marc
System:
The UNT Digital Library
2008 East Tennessee Technology Park Annual Illness and Injury Surveillance Report
The U.S. Department of Energy’s (DOE) commitment to assuring the health and safety of its workers includes the conduct of epidemiologic surveillance activities that provide an early warning system for health problems among workers. The Illness and Injury Surveillance Program monitors illnesses and health conditions that result in an absence of workdays, occupational injuries and illnesses, and disabilities and deaths among current workers.
Date:
October 26, 2010
Creator:
United States. Department of Energy. Office of Illness and Injury Prevention Programs.
System:
The UNT Digital Library
The 2010 Decennial Census: Background and Issues
This report summarizes the information and background of the 2010 census. The report outlines what the census is and why it is necessary. Moreover, it describes the new methods used and the issues encountered by using those methods.
Date:
October 18, 2012
Creator:
Williams, Jennifer D.
System:
The UNT Digital Library
2010 Renewable Energy Data Book (Book)
This Renewable Energy Data Book for 2010 provides facts and figures on energy in general, renewable electricity in the United States, global renewable energy development, wind power, solar energy, geothermal power, biopower, hydropower, advanced water power, hydrogen, renewable fuels, and clean energy investments.
Date:
October 1, 2011
Creator:
Gelman, R.
System:
The UNT Digital Library
2010 Site Environmental Report
Brookhaven National Laboratory (BNL) prepares an annual Site Environmental Report (SER) in accordance with DOE Order 231.1A, Environment, Safety and Health Reporting of the U.S. Department of Energy. The report is written to inform the public, regulators, employees, and other stakeholders of the Laboratory's environmental performance during the calendar year in review. Volume I of the SER summarizes environmental data; environmental management performance; compliance with applicable DOE, federal, state, and local regulations; and performance in restoration and surveillance monitoring programs. BNL has prepared annual SERs since 1971 and has documented nearly all of its environmental history since the Laboratory's inception in 1947. Volume II of the SER, the Groundwater Status Report, also is prepared annually to report on the status of and evaluate the performance of groundwater treatment systems at the Laboratory. Volume II includes detailed technical summaries of groundwater data and its interpretation, and is intended for internal BNL users, regulators, and other technically oriented stakeholders. A brief summary of the information contained in Volume II is included in Chapter 7, Groundwater Protection, of this volume. Both reports are available in print and as downloadable files on the BNL web page at http://www.bnl.gov/ewms/ser/. An electronic version on compact disc …
Date:
October 1, 2011
Creator:
Ratel, K.; Lee, R; Remien, J; Hooda, B; Green, T; Williams, J et al.
System:
The UNT Digital Library
2011 ANNUAL SITE ENVIRONMENTAL REPORT
The Savannah River Site Environmental Report for 2011 (SRNS-STI-2012-00200) is prepared for the U.S. Department of Energy (DOE) according to requirements of DOE Order 231.1 B, “Environment, Safety and Health Reporting." The annual SRS Environmental Report has been produced for more than 50 years. Several hundred copies are and interested individuals. The report’s purpose is to: present summary environmental data that characterize site environmental management performance; describe compliance status with respect to environmental standards and requirements; highlight significant programs and efforts.
Date:
October 1, 2012
Creator:
Meyer, A.; Eddy, T.; Jannik, T.; Terry, B.; Cauthen, K.; Coward, L. et al.
System:
The UNT Digital Library
2011 EnergyValue Housing Award Report
This report details the simulation tool(s) and energy modeling methodology followed in making the energy efficiency estimates and documents the estimated performance of the EVHA award winning houses in comparison with the Building America Benchmark and the associated House Simulation Protocols. A summary of each building and its features is included with a brief description of the project and the judges' comments. The purpose of this report is to assess the energy performance of the 2011 EVHA winners as well as align the EVHA Program with the Building America Program.
Date:
October 1, 2012
Creator:
Sagan, D.; Del Bianco, M. & Wood, A.
System:
The UNT Digital Library
2011 Marine Hydrokinetic Device Modeling Workshop: Final Report; March 1, 2011
This report summarizes the NREL Marine and Hydrokinetic Device Modeling Workshop. The objectives for the modeling workshop were to: (1) Review the designs of existing MHK device prototypes and discuss design and optimization procedures; (2) Assess the utility and limitations of modeling techniques and methods presently used for modeling MHK devices; (3) Assess the utility and limitations of modeling methods used in other areas, such as naval architecture and ocean engineering (e.g., oil & gas industry); and (4) Identify the necessary steps to link modeling with other important components that analyze MHK devices (e.g., tank testing, PTO design, mechanical design).
Date:
October 1, 2011
Creator:
Li, Y.; Reed, M. & Smith, B.
System:
The UNT Digital Library
2011 Renewable Energy Data Book (Book)
This Renewable Energy Data Book for 2011 provides facts and figures on energy in general, renewable electricity in the United States, global renewable energy development, wind power, solar energy, geothermal power, biopower, hydropower, advanced water power, hydrogen, renewable fuels, and clean energy investments.
Date:
October 1, 2012
Creator:
Gelman, R.
System:
The UNT Digital Library
2012-2013 Presidential Election Period: National Security Considerations and Options
This report discusses historical national security-related presidential transition activities, provides a representative sampling of national security issues a new Administration may encounter, and offers considerations and options relevant to each of the five phases of the presidential election period. Each phase has distinct challenges and opportunities for the incoming Administration, the outgoing Administration, and Congress. This report is intended to provide a framework for national security considerations during the current election period and will be updated to reflect the election outcome.
Date:
October 5, 2012
Creator:
Rollins, John
System:
The UNT Digital Library
2012 Economic Cost Earnings of Pelagic Longline Fishing in Hawaii
From abstract: This report presents findings from the Pacific Islands Fisheries Science Center (PIFSC) cost-earnings study of the Hawaii-based longline fishery fleet which primarily targets bigeye tuna and swordfish...This report also compares 2012 results with the previous cost-earnings studies of the Hawaii longline fleet that examines the economic profiles of the fleet for 2000 and 2005 operations.
Date:
October 2016
Creator:
Kalberg, Kolter & Pan, Minling
System:
The UNT Digital Library
2012 Renewable Energy Data Book (Book)
This Renewable Energy Data Book for 2012 provides facts and figures in a graphical format on energy in general, renewable electricity in the United States, global renewable energy development, wind power, solar power, geothermal power, biopower, hydropower, advanced water power, hydrogen, renewable fuels, and clean energy investment.
Date:
October 1, 2013
Creator:
Gelman, R.
System:
The UNT Digital Library
2012 Texas Outdoor Recreation Plan
Plan outlining conservation concerns as well as outdoor needs as noted by citizens and outdoor professionals when surveyed.
Date:
October 2012
Creator:
Texas. Parks and Wildlife Department. State Parks Division. Recreation Grants Branch.
System:
The Portal to Texas History
The 2013 Farm Bill: A Comparison of the Senate-Passed (S. 954) and House-Passed (H.R. 2642, H.R. 3102) Bills with Current Law
From Introduction: "This report begins with a brief overview of the estimated budgetary impact of the House and Senate farm bills, followed by a summary comparison of the major provisions of each title. A side-by-side section comprehensively compares all of the provisions in S. 954 as passed by the Senate (now also referred to as the Senate amendment of H.R. 2642) and the latest House-passed version of H.R. 2642 (which includes the provisions of H.R. 3102 as a new Title IV to H.R. 2642) with each other, and with current law or policy."
Date:
October 18, 2013
Creator:
Chite, Ralph M.
System:
The UNT Digital Library