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FY 2008 Miniature Spherical Retroreflectors – Final Report
Through the duration of the NNSA Office of Nuclear Nonproliferation Research and Development (NA-22) Miniature Spherical Retroreflectors lifecycle project, our research team focused on developing solutions to the fabrication bottleneck that has inhibited development and deployment of wide-angle optically interrogated chemical and radiological remote sensing technology. Our team advanced the concept of step-index clad retroreflectors to approximate an optimized, but yet unrealized spherical gradient index design. An intensive numerical simulation effort was undertaken that resulted in optimized step-index optical designs for mid-infrared applications. Geometric optics ray trace modeling was performed to better understand the geometrical dependencies of the miniature spherical retroreflector application. We adopted and advanced the concept of optical cross section, a metric that provides relative performance comparisons between different retroreflector designs and our cross-section analysis demonstrated that our step-index design provided 90% of the range capacity of the ideal spherical index design.
Intelligence Authorization Legislation: Status and Challenges
This report assesses the effects of the absence of intelligence authorization legislation since FY2005. Since FY2005, no annual intelligence authorization bill has been enacted. Although the National Security Act requires intelligence activities to be specifically authorized, this requirement has been satisfied in recent years by one-sentence catch-all provisions in defense appropriations acts authorizing intelligence activities.
The Federal Budget Deficit and the Business Cycle
This report discusses the annual federal budget deficit, which has fallen significantly over the course of the current economic expansion, from a high of 9.8% of gross domestic product (GDP) in FY2009 to 3.2% of GDP in FY2016.
FY08 Annual Report: Amorphous Semiconductors for Gamma Radiation Detection (ASGRAD)
This is the annual report for an old project funded by NA22. The purpose of the project was to develop amorphous semiconductors for use as radiation detectors. The annual report contains information about the progress made in synthesizing, characterizing, and radiation response testing of these new materials.
Direct Overt U.S. Aid Appropriations for and Military Reimbursements to Pakistan, FY2002-FY2017
This report provides data regarding the direct overt U.S. aid appropriations and military reimbursements to Pakistan.
FY08 LDRD Final Report LOCAL: Locality-Optimizing Caching Algorithms and Layouts
This project investigated layout and compression techniques for large, unstructured simulation data to reduce bandwidth requirements and latency in simulation I/O and subsequent post-processing, e.g. data analysis and visualization. The main goal was to eliminate the data-transfer bottleneck - for example, from disk to memory and from central processing unit to graphics processing unit - through coherent data access and by trading underutilized compute power for effective bandwidth and storage. This was accomplished by (1) designing algorithms that both enforce and exploit compactness and locality in unstructured data, and (2) adapting offline computations to a novel stream processing framework that supports pipelining and low-latency sequential access to compressed data. This report summarizes the techniques developed and results achieved, and includes references to publications that elaborate on the technical details of these methods.
Multilateral Development Banks: U.S. Contributions FY2000-FY2013
This report shows in tabular form how much the Administration requested and how much Congress appropriated for U.S. payments to the multilateral development banks (MDBs) since 2000. It also provides a brief description of the MDBs and the ways they fund their operations. It will be updated periodically as annual appropriation figures are known.
Multilateral Development Banks: U.S. Contributions FY1998-FY2009
This report shows in tabular form how much the Administration requested and how much Congress appropriated during the past 11 years for U.S. payments to the multilateral development banks (MDBs). It also provides a brief description of the MDBs and the ways they fund their operations.
Federal Research and Development Funding: FY2008
This report discusses the U.S. research and development (R&D) enterprise, and its support for federal R&D activities.