Award Data

The proposed Phase II program will optimize the design and manufacturing process of a compliant brush shroud casing. Recent tests at Wright Laboratories with staged brush seals have demonstrated significantly increased blade to shroud rub tolerance of acompliant casing. Phase I of the program is expected to demonstrate the feasibility of two innovative brush shroud designs with lower cost and we ...

The purpose of this Phase II effort is to build a rugged, compact optical phased array for coherent addition of laser beams, a crucial building block for multi-kilowatt continuous wave laser devices. This effort builds on the success of the Phase I effortwhere it was shown that an array of electro-optic waveguides in Potassium Titanyl Phosphate (KTP) could be used for phase control. The low-voltag ...

THIS PROJECT OUTLINES A RELIABILITY AND MAINTAINABILITY KNOWLEDGE BASE AND THE HYPERTEXT INTERFACE REQUIRED TO TRANSPORT THIS DATA INTO COMPUTER-AIDED DESIGN (CAD) ENVIRONMENTS. THE PRIMARY FOCUS OF THE PROPOSAL IS THE DEVELOPMENT OF THE FOUNDATION FOR AN ENGINEERING RELIABILITY AND MAINTAINABILITY INFORMATION PRESENTATION SYSTEM TO SUPPORT ELECTRONIC CIRCUIT AND SYSTEMS DESIGN ENGINEERS IN A CAD ...

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The global political structure has changed dramatically since the breakup of the former Soviet Union. World changes have caused the U.S. to reprioritize its National hypersonic needs. The United States government has looked to the needs of the future, and the hypersonic aeorospace plane is one of the systems included in alternative force structures. One of the hypersonic aerospace plane concepts w ...

3-D BRAIDED PREFORMS SHOULD INCREASE MECHANICAL PROPERTIES OF CERAMIC COMPOSITES IN ALL DIRECTIONS; ITS INTERLOCKING FIBER ARCHITECTURE SHOULD BE EFFECTIVE IN ARRESTING CRACKS, AND REMOVING CATASTROPIC FAILURE. THIS PROJECT ADDRESSES THE ISUES OF MERGING AN EFFECTIVE REINFORCEMENT SYSTEM WITH AN INEXPENSIVE CERAMIC MATRIX PROCESSING TECHNOLOGY TO DISCOVER A LOW COST MANUFACTURING ROUTE TO HIGH PER ...

S&K Electronics is proposing a visual programming environment for developing expert systems in CLIPS. This project will be known as the Visual Expert System Programming Resource, or VESPR. The visual environment will provide a graphical interface for easily capturing knowledge and converting it into the appropriate language constructs; it will also provide visualization of the system being develop ...

Space based lidar systems for the remote sensing of Ozone require high-power, high-efficiency lasers operating in the ultraviolet. Diode-pumped solid-state lasers are the primary candidates for this application. Operation in the ultraviolet is typically achieved through two or three frequency conversion steps using nonlinear optical materials. This reduces the efficiency of the laser systems placi ...

Nonlinear optical (NLO) materials play a critical role in current solid-state laser systems enabling broad tunability and operation at wavelengths not accessible by available laser gain media. At the same time, NLO materials limit the longevity and efficiency of these laser systems due to low damage thresholds, poor optical quality and small nonlinearities. As a result, new NLO materials are requi ...

LIGHT SCATTERED FROM CLEAN SEMICONDUCTOR WAFERS IS DUE TO BOTH SURFACE AND SUBSURFACE DEFECTS. SCATTER FROM SURFACE DEFECTS GENERALLY DOMINATES BY AN ORDER OF MAGNITUDE OR TWO. A METHOD TO SEPARATE SUBSURFACE SCATTER FROM SURFACE SCATTER HAS BEEN FOUND, AND IT IS PROPOSED HERE TO UTILIZE THAT TECHNIQUE TO INDICATE THE LOCATION AND AMPLITUDE OF SUBSURFACE DEFECTS BY COLOR MAPPING THE LOCATION AND I ...