| Continued Development of the AF/SGR Tricorder Program for Homeland Security, Military, Public Health, and Medical Operations |
15 May 2012 |
64 pages |
| Authors:
Annette L Valenta; Greer W Stevenson; Andrew D Boyd; RICHARD PRESTON; ILLINOIS UNIV AT CHICAGO
|
 | The overall purpose of the Continued development of the AF/SGR Tricorder Program for Homeland Security, Military, Public health, and Medical Operation is to develop a remote sensing device capable of detecting directed energy (DE) threats to medical personnel, combat support personnel, and civilians. Capabilities will include wireless transmission of medically relevant threat information to military agencies and will be stored in databases for analysis and mitigation. |
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| Improved Round Trip Efficiency for Regenerative Fuel Cell Systems |
11 May 2012 |
23 pages |
| Authors:
Katherine E Ayers; PROTON ENERGY SYSTEMS INC WALLINGFORD CT
|
| In developing technology for air independent undersea vehicle missions, a ground-test breadboard system was adapted and utilized to prove advanced components that enable closed-loop, zero emission, low signature energy storage. The system utilizes proton exchange membrane (PEM) fuel cell and electrolysis technology with proven commercial reliability, and a balance-of-plant primarily consisting of commercial-off-the-shelf (COTS) components. Initial durability testing measured the magnitude of reactant loss to the ambient atmosphere, before replacing ... |
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| Micro-Stirling Active Cooling Module (MS/ACM) for DoD Electronics Systems |
Mar 2012 |
4 pages |
| Authors:
Douglas S Beck; BECK ENGINEERING INC PORT ORCHARD WA
|
| The Department of Defense has many systems that can benefit from the features of a cm-scale microrefrigerator. We are developing for DARPA a cm-scale Micro-Stirling Active Cooling Module (MS/ACM) microrefrigerator to benefit the DoD systems. Under a DARPA contract, we are designing, building, and demonstrating a breadboard MS/ACM. |
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| Improved Round Trip Efficiency for Regenerative Fuel Cell Systems |
15 Jan 2012 |
7 pages |
| Authors:
Katherine E Ayers; PROTON ENERGY SYSTEMS INC WALLINGFORD CT
|
| Extensive testing of the breadboard system was completed including baseline leak rate measurements. Several improvements were made to the system to permit stable, automated operation at 4 kilowatts, twice the previous power output, and the system was demonstrated at this power output. The first round of bench-top hydrogen recovery reactor media testing was completed. The supplier s procurement efforts for the final deliverable of the hermetically-sealed scroll compressors were underway. ... |
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| Development of a Space Flight Prototype Doppler Asymmetric Spatial Heterodyne (DASH) Spectrometer for the Measurement of Upper Atmospheric Winds |
31 Oct 2011 |
60 pages |
| Authors:
David D Babcock; ARTEP INC ELLICOTT CITY MD
|
| This report provides a summary of the progress in developing and testing a space flight prototype Doppler Asymmetric Spatial Heterodyne (DASH) interferometer, for the purposes of measuring winds in the Mesosphere and Lower Thermosphere/Ionosphere (MLTI). The motivation behind developing a prototype instrument during this SBIR Phase II is to raise the technical readiness level (TRL). |
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| Demonstration of a Cylinder-Fill System Based on Solid Electrolyte Oxygen Separator (SEOS) Technology: One Year Early Field Assessment at a USAF Maintenance Facility |
Feb 2011 |
93 pages |
| Authors:
David Studer; AIR PRODUCTS AND CHEMICALS INC ALLENTOWN PA
|
| The goal of the effort was to conduct an early field assessment of SEOS oxygen-generation technology and obtain user feedback and lessons learned. A SEOS breadboard for charging high pressure oxygen cylinders was installed at a maintenance facility at Oklahoma City-Air Logistics Center (OC-ALC), Tinker AFB OK. The SEOS breadboard was capable of producing 99.9+% oxygen at pressures up to 2,200 psig. The breadboard used SEOS electrochemical stacks and an ... |
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| Wide-field Imaging System and Rapid Direction of Optical Zoom (WOZ) |
24 DEC 2010 |
11 pages |
| Authors:
Greg A. Finney; KRATOS DEFENSE AND SECURITY SOLUTIONS INC HUNTSVILLE AL
|
| This report covers technical progress on the Wide-field Imaging System and Rapid Direction of Optical Zoom (WOZ) contract for the period 16 Sep 2010 - 15 Dec 2010. A report covering financial status for this period is provided separately. During this period, subcontracts were awarded by the prime to both team mates, Advanced Optical Systems, Inc. and NeXolve Inc. The multiphysics design tool is under development and successfully demonstrated communications ... |
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| Development of a Distributed Digital Array Radar (DDAR) |
01-Sep-2008 |
180 pages |
| Authors:
Pontus Djerf; Ioannis Tornazakis; NAVAL POSTGRADUATE SCHOOL MONTEREY CA GRADUATE SCHOOL OF BUSINESS AND PUBLIC POLICY
|
| Distributed digital arrays have many potential applications in radar and communication systems. The objective of this thesis is to re-examine previous research on distributed digital array radar (DDAR) and evaluate several critical aspects of a proposed wireless architecture. Self-standing transmit/receive (T/R) modules are synchronized wirelessly. An important issue addressed in this thesis is whether a simple low-cost synchronization circuit would perform adequately. To this end two breadboard T/R modules were ... |
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| Doppler Asymmetric Spatial Heterodyne Spectroscopy (DASH): Concept and Experimental Demonstration |
10 OCT 2007 |
12 pages |
| Authors:
Christoph R. Englert; David D. Babcock; John M. Harlander; NAVAL RESEARCH LAB WASHINGTON DC SPACE SCIENCE DIV
|
| We describe the concept of Doppler asymmetric spatial heterodyne spectroscopy (DASH) and present a laboratory Doppler-shift measurement using an infrared laser line. DASH is a modification of spatial heterodyne spectroscopy optimized for high precision, high accuracy Doppler-shift measurements of atmospheric emission lines either from the ground or a satellite. We discuss DASH design considerations, field widening, thermal stability and tracking, noise propagation, advantages, and trade-offs. DASH interferometers do not require ... |
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| Numerical 3D Model for Thermal Integration of 20W Methanol Reformer |
01 NOV 2006 |
5 pages |
| Authors:
N. E. Blackwell; D. R. Palo; ARMY COMMUNICATIONS-ELECTRONICS RESEARCH DEVELOPMENT AND ENGINEERING CENTER FORT BELVOIR VA
|
| Collaborative U. S - Army and U. S. Department of Energy efforts have developed advanced methanol reforming capabilities to enhance production of hydrogen for soldier portable fuel cell systems. Application of advanced numerical techniques combined with empirical data from iterative breadboard measurements has provided the US Army with an 8.5x2xO.8 cm 20W methanol reformer for Future Force Warrior and Future Combat Systems. Fuel cell technology development is being pursued around ... |
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| Demonstration of a Robot-Based Raman Spectroscopic Detector for the Identification of CBE Threat Agents |
01 NOV 2006 |
36 pages |
| Authors:
C. W. Gardner; P. J. Treado; T. M. Jochem; G. R. Gilbert; CHEMIMAGE CORP PITTSBURGH PA
|
| This paper describes the feasibility demonstration of a chemical, biological and explosive (CBE) detection system based on Raman spectroscopic measurements integrated to a commercially available unmanned ground vehicle (UGV) platform. Raman detection of CBE agents is reagentless and offers the ability to detect a broad range of threats in a single measurement and is well suited to remote operation. The performance of this sensor system for the detection of chemical ... |
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| SHIMCAD Breadboard: Design and Characterization |
16 OCT 2006 |
35 pages |
| Authors:
Christoph R. Englert; David D. Babcock; John M. Harlander; NAVAL RESEARCH LAB WASHINGTON DC
|
| This report covers the first phase of the Spatial Heterodyne Imager for Chemicals and Atmospheric Detection (SHIMCAD) project. The two goals of this phase were (1) to design and build a non-field-widened LWIR SHS breadboard interferometer with primarily off-the-shelf parts and using fixed angles and distances within the interferometer so that no post integration alignment is required and (2) to characterize the interferometer's wavelength calibration, phase distortion, and zero path ... |
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| Photonic Analog-to-Digital Converters |
MAR 2006 |
110 pages |
| Authors:
Rebecca Bussjager; Michael Hayduk; Steven Johns; Michael Fanto; Reinhard Erdmann; Joseph Osman; John Malowicki; David Winter; AIR FORCE RESEARCH LAB ROME NY SENSORS DIRECTORATE
|
| This report addresses the development of photonic analog-to-digital converters (ADCs) based on InP technology, a path that could lead to a fully integrated photonic ADC. The historical background of electronic ADC's is followed by a detailed description of photonic ADC architectures pursued by the SNDP in-house Photonic ADC team. The development and the importance of the key components are also presented, namely lasers, modulators, and quantizers. It was initially anticipated ... |
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| Deployable Hexapod Using Tape-Springs |
13 JUL 2005 |
8 pages |
| Authors:
Laurent Blanchard; Frederic Falzon; Jean Dupuis; Jean-Pierre Merlet; ALCATEL SPACE INDUSTRIES CANNES LA BOCCA (FRANCE)
|
| In the near future of space observation systems several technical challenges come into light like multi-pupil systems conceived as free flyers or extremely high resolution (EHR) systems with large dimensions and high agility requirements. To be able to face these challenges the Alcatel Space Research Department is studying innovative structural concepts for future observation instruments. One of these concepts is based on an hexapod whose legs are deployable coiled tape-springs. ... |
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| Prostate Cancer Detection Using Near Infrared Spectral Polarization Imaging |
JUL 2005 |
72 pages |
| Authors:
Robert Alfano; W. B. Wang; CITY COLL NEW YORK
|
| Specific aims: The objective of this grant is to develop a near infrared (NIR) spectral polarization imaging technique for prostate cancer detection. The technique is based on the spectral and polarization properties of light scattered, absorbed and emitted from prostate cancerous and normal tissues, and contrast agents targeted to the prostate cancers. Results of finding% and their significance%: All of the six specific tasks listed in the revised work statement ... |
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| Polarimetric Imaging Laser Radar (PILAR) Program |
01 MAY 2005 |
35 pages |
| Authors:
RICHARD D. RICHMOND; Bruno J. Evans; AIR FORCE RESEARCH LAB WRIGHT-PATTERSON AFB OH SENSORS DIRECTORATE
|
| The US Air Force Research Laboratory has been developing the Polarimetric Imaging Laser Radar (PILAR) system. The purpose of the PILAR program is to demonstrate a 3-dimensional imaging laser radar sensor suitable for installation on an unmanned air vehicle (UAV). The program will demonstrate that such a sensor can be produced in a size and weight that is compatible with a UAV while maintaining sensor performance that meets mission requirements. ... |
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| Development of the AIRIS-WAD Multispectral Sensor for Airborne Standoff Chemical Agent and Toxic Industrial Chemical Detection |
FEB 2005 |
|
| Authors:
William J. Marinelli; Christopher M. Gittins; Bogdan C. Cosofret; Teoman E. Ustun; James O. Jensen; PHYSICAL SCIENCES INC ANDOVER MA
|
 | The AIRIS Wide Area Detection System breadboard was employed in an airborne configuration to detect chemical agent simulant releases during the Technology Readiness Evaluations conducted at Dugway Proving Grounds in July 2002 (TRE-02) and at the Joint Urban 2003 tests at Oklahoma City, OK in July 2003. The observations were conducted from a gyro-stabilized pointing system mounted on a UH-1 helicopter and conducted at ranges up to ~7 km and ... |
|
| One-Liter Ion Clock: New Capability For Spaceflight Applications |
SEP 2004 |
9 pages |
| Authors:
John D. Prestage; Sang Chung; Thanh Le; Maggie Beach; Lute Maleki; MASSACHUSETTS UNIV AMHERST COLL OF ENGINEERING
|
| We describe the development of a small Hg+ ion clock suitable for space use. The breadboard physics package is 1-2 liters in volume, produces frequency stability of 10-13/ , and should significantly advance the state of space-qualified atomic clocks. |
|
| VSIPL++/FPGA Design Methodology |
20 AUG 2004 |
38 pages |
| Authors:
Jules Bergmann; Susan Emeny; Peter Bronowicz; AIR FORCE RESEARCH LAB ROME NY INFORMATION DIRECTORATE
|
| This paper describes a hardware/software codesign methodology for hybrid hardware and software systems. The methodology integrates VSIPL++ for software design and a portable, composable hardware design method based on streams. The hardware design is portable and scalable from design/test systems to the target system and to future technologies. The methodology increases productivity by providing a concise function description in both hardware and software and by providing a streamlined interface between ... |
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| Design Develop Test and Deliver a Protoflight Medium-to-High-Energy Electron Detector for Integration into a Small On-Board Diagnostic Sensors Package |
11 MAR 2004 |
24 pages |
| Authors:
Jeffrey E. Belue; Frederick A. Hanser; Paul R. Morel; PANAMETRICS INC WALTHAM MA
|
| An electron spectrometer has been designed to measure electron flux in the range of 3 to 30 MeV. A breadboard unit was designed and tested, using a solid state detector telescope for geometric factor definition and a Cerenkov radiator/PMT for energy measurement. The measured response to electrons was very broad, so the Cerenkov radiator was redesigned as a larger volume with larger PMTs to improve the energy resolution. The modified ... |
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| Experimental and Theoretical Studies of Hypersonic Laminar Flow Control Using Ultrasonically Absorptive Coatings (UAC) |
MAY 2003 |
105 pages |
| Authors:
Anatoly A. Maslov; RUSSIAN ACADEMY OF SCIENCES NOVOSIBIRSK INST OF THEORETICAL AND APPLIED MECHANICS
|
| This report results from a contract tasking Institute of Theoretical and Applied Mechanics as follows: The project is focused on detail experimental and theoretical studies of hypersonic laminar flow control using ultrasonically absorptive coatings (UAC) of regular porosity. Parametrical calculations of boundary layer stability on porous and solid walls will be conducted and compared with the experimental data to be obtained using the artificial wave- packet method and hot-wire measurements. ... |
|
| Design, Develop, Fabricate, Test and Deliver a Protoflight Medium-To- High-Energy Electron Detector for Integration into a Small On-Board Diagnostic Sensors Package |
18 APR 2003 |
25 pages |
| Authors:
Jeffrey E. Belue; Frederick A. Hanser; Paul R. Morel; PANAMETRICS INC WALTHAM MA
|
| An electron spectrometer has been designed to measure electron flux in the range of 3 to 30 MeV. A breadboard unit was designed and tested, using a solid state detector telescope for geometric factor definition and a Cerenkov radiator/PMT for energy measurement. The measured response to electrons was very broad, so the Cerenkov radiator was redesigned as a larger volume with larger PMTs to improve the energy resolution. The modified ... |
|
| All-Solid-State Drivers for High Power Excimer Lasers Used in Projection Gas Immersion Laser Doping |
25 SEP 2001 |
53 pages |
| Authors:
Jonah Jacob; SCIENCE RESEARCH LAB INC SOMERVILLE MA
|
| The objective of this SBIR program is to develop all-solid-state pulsed modulators to drive the high power excimer lasers required to commercialize the Projection Gas Immersion Laser Doping (P-GILD) process. P-GILD uses a pulsed, 200-watt-class excimer laser as an illumination source to produce ultra-shallow, low-sheet resistance, box-like and retrograde impurity profiles in silicon without the use of high temperature anneals or conventional ion implantation. P-GILD thus meets all of the ... |
|
| Adaptation of Panoramic Annular Lens (PAL) to Some Military Video Systems |
02 AUG 2000 |
16 pages |
| Authors:
Pal Greguss; OPTOPAL PANORAMIC METROLOGY CONSULTINGBUDAPEST (HUNGARY)
|
| This report results from a contract tasking OPTOPAL Panoramic Metrology Consulting as follows: This investigation will consist of adaptation of a Hungarian-developed single-piece imaging block, the Panoramic Annular Lens (PAL) to a few military applications. A multipurpose breadboard platform will be constructed to test the optimized and realized optical sensor/vision modules, and check if they can cope with proposed tasks. Software will be developed to straighten out the annular image, ... |
|
| Assessment of CEX Ion Backflow of SPT-100 Thruster |
09 JUL 2000 |
9 pages |
| Authors:
E. A. Bondar; V. A. Schweigert; G. N. Markelov; M. S. Ivanov; COMPUTATIONAL AERODYNAMICS SYSTEMS CO MOSCOW (RUSSIA)
|
| The SPT-100 thruster plume was simulated using two different methods: the combined particle-in-cell technique with direct simulation Monte Carlo method and the particle-in-cell with the addition of Monte Carlo collisions method. The former method offers a more detailed description of the plume, taking into account the effect of ion-neutral collisions on neutral flow. This effect is ignored in the second method, but this method has much lower computational cost. To ... |
|
| NAVSEA 00C5 Designed Ground Fault Interrupter Breadboard and Prototype Test and Evaluation |
29 JUN 2000 |
102 pages |
| Authors:
Jerry D. Pelton; NAVY EXPERIMENTAL DIVING UNIT PANAMA CITY FL
|
| This test and evaluation covered the development of a Navy designed portable ground fault interrupter from breadboard to finished prototype. Testing included design review, bench testing, and environmental testing. Changes were made to the design along the way to improve or correct areas were problems were found. The final prototype version was tested in accordance with sections of MIL-STD-810E determined to represent conditions this equipment would ... |
|
| NRL 12-Bit, 213 Msps ADC HSAD9 MCM Evaluation Board |
08 DEC 1999 |
70 pages |
| Authors:
Khanh Thai; NAVAL RESEARCH LAB WASHINGTON DC
|
| The MCM Evaluation Board is a 6" by 6" test fixture designed for evaluating the HSAD9 MCM, a completely self contained ADC multichip module that digitizes incoming differential analog signals to 12 bit resolution at a 213 Msps maximum sample rate. Data is output through a 50 pin D connector with LYDS logic levels. The MCM Evaluation Board functions very similarly to the AMAD19 12 bit ... |
|
| 12-Bit High Dynamic Range ADC |
03 NOV 1999 |
7 pages |
| Authors:
Bert K. Oyama; TRW SPACE AND ELECTRONICS GROUP REDONDOBEACH CA
|
|
| Very High-Performance Advanced Filter Bank Analog-to-Digital Converter (AFB ADC) Project |
31 OCT 1999 |
35 pages |
| Authors:
Scott R. Velazquez; V COMPANY REVERE BEACH MA
|
| This Phase 1 project demonstrated a breakthrough approach to very high speed, high resolution analog to digital conversion which improves the speed of conversion by four to six times the state of the art by using a parallel array of individual commercial off the shelf converters. The significant performance improvements afforded by the Advanced Filter Bank Analog to Digital Converter (AFB ADC) architecture were verified in Phase 1 by successfully ... |
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| Portable Total Integrated Scatter and Retro-Reflectance Instrument |
05 JAN 1998 |
17 pages |
| Authors:
John S. Harchanko; AZ TECHNOLOGY INC HUNTSVILLE AL
|
| A summary of the work performed to determine the feasibility of manufacturing a portable instrument to measure the Total Integrated Scatter and Retro-Reflectance with respect to wavelength is given. The results of a fully functioning breadboard which measures the TIS and Retro-Reflectance of a surface at a laser wavelength are presented. The breadboard demonstrates the enabling technology of a novel, patented ellipsoidal cavity (patent #5,659,397) that is significantly smaller than ... |
|
| Naval Special Warfare Concept Assessment |
Jan 1998 |
7 pages |
| Authors:
Jody Wood; COASTAL SYSTEMS STATION PANAMA CITY FL
|
| The goal of this effort was to conduct concept assessments of technologies having the potential to enhance Naval Special Warfare (NSW) mission capabilities. Numerous advanced imaging devices such as multispectral, passive millimeter wave, and laser imagers are currently under development. Each imaging device will require image processing and a display so the operator can view the processed image. Since the military is projecting that wearable computers outfitted with a head-mounted ... |
|
| The SHM Hydrogen Atomic Clock for Space Applications. Development and Test of the PEM Physics Package |
Dec-1997 |
8 pages |
| Authors:
G Busca; L G Bernier; A Jornod; H Schweda; R Gentsch; OBSERVATOIRE CANTONAL DE NEUCHATEL (SWITZERLAND)
|
| A compact Space-borne active Hydrogen Maser (SHM) frequency standard is being developed by the Observatory of Neuchhtel under the Swiss PRODEX program of ESA. The SHM instrument will be flown on the Radioastron (RA) mission in 2000 to be used as the reference clock for orbital Very Long Baseline Interferometry (VLBI) and for the red-shift experiment CRONOS. The SHM design is based on a miniature sapphire loaded microwave cavity which ... |
|
| Design, Develop, Fabricate, Test and Deliver a Protoflight Medium-to- High-Energy Electron Detector for Integration into a Small On-Board Diagnostic Sensors Package |
10 NOV 97 |
22 pages |
| Authors:
Jefferey E. Belue; Frederick A. Hanser; Paul R. Morel; PANAMETRICS INC WALTHAM MA
|
| An electron spectrometer is being designed to measure electron flux in the range of 3 to 30 MeV. A breadboard unit has been designed and tested, using a solid state detector telescope for geometric factor and a Cerenkov radiator/PMT for energy measurement. The measured response to electrons is very broad, so the Cerenkov radiator is being redesigned as a larger volume with larger PMTs to improve the energy resolution. Following ... |
|
| Giant Magnetoresistive Sensors. Phase II |
15 JUL 1997 |
14 pages |
| Authors:
James M. Daughton; Mark Tondra; NONVOLATILE ELECTRONICS INC EDEN PRAIRIE MN
|
| This report covers primarily the period from May 15,1997 to July 25, 1997 - from month 10 through month 11 and into month 12 of the program. This period has concentrated on fabricating tunneling bridge sensors with on-chip bias coils, developing the test equipment needed to test sensors at 10(exp-8) Gauss, and developing a drive/sense scheme which can be used to overcome the effects of 1/f noise. As we near ... |
|
| Design, Develop, Fabricate, Test and Deliver a Protoflight Medium-to- High Energy Electron Detector for Integration into a Small On-board Diagnostic Sensors Package |
16 JUN 1997 |
26 pages |
| Authors:
Jeffrey E. Belue; Frederick A. Hanser; Paul R. Morel; PANAMETRICS INC WALTHAM MA
|
| An electron spectrometer is being designed to measure electron flux in the range of 3 to 30 MeV. A breadboard unit has been designed and tested, using a solid state detector telescope for geometric factor definition and a Cerenkov radiator/PMT for energy measurement. The measured response to electrons is very broad, so the Cerenkov radiator is being redesigned as a larger volume with larger PMTs to improve the energy resolution. ... |
|
| Development of a Lightweight, Portable, Minimally-Invasive Sensor for the Multi-Site Determination and Quantitation of Physiologic Lactate. Phase 1 |
OCT 1996 |
37 pages |
| Authors:
Herbert P. Silverman; HELLER (E) AND CO ALAMEDA CA
|
| The feasibility of developing a portable device for immediate monitoring of physiologic lactate using Wired EnzyneTM technology was demonstrated. Ultimately, this device will provide critical data for monitoring and dictating the triage and therapy of wounded soldiers in the battlefield or injured civilian trauna patients. Recent publications have established the importance of monitoring lactate in assessing a trauma patient's condition. Lactate monitoring in local veins is critical in treatment of ... |
|
| Low-Cost Space Structure (LCSS) Experiment. Volume I of II |
JUN 1996 |
57 pages |
| Authors:
David DeYoung; Lawrence Robertson III; SVS INC ALBUQUERQUE NM
|
| The Low-Cost Space Structure (LCSS) experiment was a two-year Phase II Small Business Innovative Research (SBIR) technology program to develop the concept for a small, lightweight, space-borne optical imaging system. The goals of the program were to formulate the concept design of a sparse array optical imaging system and the supporting satellite and to validate the concept in a laboratory demonstration. The results are described in this final report. They ... |
|
| Development of Non-Invasive Deep Tissue pH Sensor |
OCT 1995 |
47 pages |
| Authors:
Ronald Micheels; POLE STAR TECHNOLOGIES INC SUDBURY MA
|
| A Phase I SBIR effort has demonstrated the feasibility of measuring deep tissue pH using near infrared reflection spectroscopy coupled with partial least squares multivariate calibration techniques. Measurement of pH with a breadboard system has been successfully demonstrated in skin covered rabbit muscle and in a canine heart on cardiopulmonary bypass. In six separate determinations of deep tissue pH in the rabbit teres major muscle, the derived model was capable ... |
|
| Fluorescence Optic Fiber Stereotactic Needle Ratiometer for Breast Tumor Diagnosis. |
OCT 1995 |
19 pages |
| Authors:
Guichen C. Tang; MEDISCIENCE TECHNOLOGY CORP CHERRY HILL NJ
|
| Activities during the first year focused on engineering the optic fiber probe and needle, on the breadboard design of the fluorescence instrument and on establishing the clinical protocol and patient consent form that must be followed in the clinical feasibility study part of the project. Fabrication of the device and trials on patients could not be undertaken in the absence of approval by the cooperating clinic's (Mass. Gen. Hospital) Institutional ... |
|
| SECURES (Trade name) Feasibility Study |
18 NOV 94 |
36 pages |
| Authors:
ALLIANT TECHSYSTEMS INC ARLINGTON VA ADVANCED TECHNOLOGY CENTER
|
| The purpose of this effort was to determine the feasibility of the SECURES (System for the Effective Control of URban Environment Security) system concept as a reliable and practical means to instantly notify police of gunshot locations in urban environments. This feasibility study involved the acquisition of gunshot and background noise acoustic data, analysis of this data to establish methods of identifying gunshots from the background noises, and an investigation ... |
|
| 1-3 Composite Accelerometer Array |
30 SEP 94 |
18 pages |
| Authors:
MATERIALS SYSTEMS INC LITTLETON MA
|
| The objective of this program was to fabricate prototype accelerometer devices from 1-3 PZT ceramic preforms and 1-3 piezoelectric composite material. (MM) |
|
| Acousto-Optic Beam Steering Study |
AUG 1994 |
141 pages |
| Authors:
H. W. Presley; L. M. Burberry; A. F. Abbenante; HARRIS CORP MELBOURNE FL GOVERNMENT AEROSPACE SYSTEMS DIV
|
| This is the final report for a 21 month study investigating the use of acoustic-optic beam steering for inter-satellite laser communications (lasercom). The basic technique is demonstrated in a breadboard that uses a customized 2-dimensional acoustic-optic Bragg cell deflector and a magnifying optical system comprised entirely of off-the-shelf components. The breadboard was designed to steer a laser over a range of 360 x 36 degrees. Important characteristics of the acoustic-optic ... |
|
| Characterization of Corrosion and Development of a Breadboard of a D sight Aircraft Inspection System. Phase I |
AUG 94 |
369 pages |
| Authors:
F. Karpala; O. L. Hageniers; DIFFRACTO LTD WINDSOR (ONTARIO)
|
| This report presents Phase I results of a joint Project Arrangement between the FAA and Transport Canada Aviation for the development and testing of a nondestructive inspection (NDI) system for aircraft corrosion detection in fuselage lap joints. The process is based on D Sight, an optical technique developed by Diffracto Limited. This research project had the following major components: identification of corrosion areas of concern, collection of corrosion samples, acceleration ... |
|
| Optical Image Correlator Using Orthogonal Data Storage |
AUG 94 |
35 pages |
| Authors:
Koichi Sayano; George A. Rakuljic; ACCUWAVE CORP SANTA MONICA CA
|
| A compact optical image correlator using orthogonal, wavelength multiplexed Fourier transform holograms recorded in a photorefractive crystal has been demonstrated. Cross-correlation and auto-correlation measurements were obtained using randomly selected test images against the set of reference images stored in the orthogonal data storage volume hologram. Over 40 holograms were written in the 645 to 651 nm wavelength range with >2% diffraction efficiency and 1.5 A wavelength separation. A low power ... |
|
| Ultrawideband Shipboard Electrooptic Electromagnetic Environment Monitoring |
MAY 1994 |
28 pages |
| Authors:
S. Pappert; M. Berry; S. Hart; R. Orazi; L. Koyama; NAVAL COMMAND CONTROL AND OCEAN SURVEILLANCE CENTER RDT AND E DIV SAN DIEGO CA
|
| The objectives are: (1) Design, construct, package, test, and evaluate the best available wideband photonic electromagnetic field probe for shipboard electromagnetic environment (EME) monitoring; (2) Develop engineering solutions to problems encountered in Phase I testing of a first-generation breadboarded sensor. Investigate and develop alternative sensor configurations that can lead to improved system performance; and (3) Develop requirements and a test plan for the shipboard testing of a 2-MHz to 18-GHz ... |
|
| Development of a Portable Ice-Thickness Measuring Instrument |
14 MAR 94 |
19 pages |
| Authors:
John C. Joseph; Dennis P. Glenn; Philip J. Joseph; DEDICATED ELECTRONICS INC CHESTER NH
|
| A portable instrument that can be manually placed in contact with the surface of an ice-covered body of water to non-obtrusively measure the ice thickness was developed. The instrument design is based on determining ice thickness from microwave frequency signals which are transmitted through the ice and reflect from the ice/water interface. Prior methods include drilling through the ice to manually measure its thickness and using radar equipment which is ... |
|
| Eddy Current for Detecting Second-Layer Cracks Under Installed Fasteners |
FEB 94 |
110 pages |
| Authors:
Gary L. Buckhardt; Robert E. Beissner; Edith A. Creek; Jay L. Fisher; SOUTHWEST RESEARCH INST SAN ANTONIO TX
|
| Southwest Research Institute developed an eddy current (EC) laboratory breadboard inspection system to detect second-layer cracks around installed fasteners in two-layer airframe structures with the probe positioned on the first layer (outside surface). Probe design considered both cup- and segment-core configurations as exciter coils and various orientations and positions of sensor coils. Highest sensitivity was obtained with a segment-core exciter covering an 85-degree segment with the sensor oriented normal to ... |
|
| Characteristics of the Biochemical Detector Sensor |
MAR 93 |
|
| Authors:
William E. Lee; Thor V. Jacobson; H. G. Thompson; DEFENCE RESEARCH ESTABLISHMENT SUFFIELD RALSTON (ALBERTA)
|
| The biosensor module of the Biochemical Detector (BCD) concept model is compose of two major subsystems, a light-addressable potentiometric (LAP) sensor and a fluidic processor. The biosensor module is automated to allow for uptake, mixing, and incubation of reagents and sample, filtration of the incubated mixture of reagents and sample through a nitrocellulose membrane, and detection of the membrane-immobilized analyte complexes by means of the LAP sensor. This report describes ... |
|
| Enhanced Noncontacting Laser Extensometer for Biaxial Strain Measurements |
SEP 92 |
42 pages |
| Authors:
James J. Connolly; James R. Engel; Andrew T. Lintz; OPTRA INC BEVERLY MA
|
| In the proposed program, OPTRA will develop and commercialize a non- contact biaxial extensometer for the material testing market. The optical technology, based on an existing OPTRA single axis product, allows the accurate measurement of surface strains on any test specimen without contact and without material preparation. The non-contact measurement in ideal for high temperature testing, single fiber testing, high humidity/liquid immersed testing, high strain elastomer testing and many other ... |
|
| Slot-Coupled Patch Arrays, |
FEB 1992 |
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| Authors:
C. H. Chen; Paul G. Ingerson; William C. Wong; TRW SPACE AND DEFENSE SECTOR REDONDO BEACH CA
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| This paper addresses two slot-coupled patch arrays: a dual-polarized and a circularly polarized. Breadboard models were built and tested. Excellent performance was obtained. |
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BREADBOARD MODELS
