1–50 von 348 Ergebnissen
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    Design strength of optical glass

    Doyle, K.B. / Kahan, M.A. | Tema Archiv | 2003
    extremely conservative design approaches are typically used for optical elements made of glass. Determining a design allowable for glass elements is ...

    Polymer waveguides for 100 cm (40") optical backplanes

    Moisel, J. / Guttmann, J. / Huber, H.P. et al. | Tema Archiv | 2002
    Optical backplanes are attractive components for systems with high data rates between subsystems and a large number of interconnects. An ...

    Radiation qualification and testing of a large number of optical glasses used in the ESA fluid science laboratory onboard the columbus orbital Facility of the international space station

    Doyle, D.B. / Dewandre, T.M. / Claessens, D. et al. | Tema Archiv | 2002
    International Space Station (ISS) is a multi-user facility for the performance of microgravity research. It comprises a very complex optical bench ...

    Concepts using optical MEMS array for ladar scene projection

    Smith, J.L. | Tema Archiv | 2003
    fiber optic cables. The concept calls for an optical MEMS (micro-electromechanical system) steerable micro-mirror array. IFOV's are a cluster of ...

    Optical fiber sensors for vehicle detection

    Meller, S. / Vries, M.J. de / Arya, V. et al. | Tema Archiv | 1995
    applications in industry for process control, and more recently for monitoring the health of advanced civil structures. Optical fiber sensors are ...

    Optical-fiber-based adhesive bondline monitoring system for composite patch systems

    Elster, J. / Trego, A. / Dante, J. et al. | Tema Archiv | 2001
    levels in the technology. The presented sensing system is comprised of optical fiber long period gratings (LPGs) for chemical measurement and ...

    Recent advances in the quality of CVD diamond optical components

    Wort, C.J.H. / Pickles, C.S.J. / Beale, A.C. et al. | Tema Archiv | 1999
    Reports on the properties and applications of polished polycrystalline diamond optical components produced by chemical vapor deposition and ...

    Combined radiation damage, annealing, and ageing studies of InGaAsP/InP 1310 nm lasers for the CMS tracker optical links

    Gill, K.A. / Grabit, R. / Troska, J. et al. | Tema Archiv | 2002
    multi-quantum-well lasers, the type chosen for use in the CMS Tracker optical links. The radiation damage effects are compared for a variety of ...

    The universal multizone crystallizator (UMC) furnance: an international cooperative agreement

    Watring, D.A. / Su, C.H. / Gillies, D. et al. | Tema Archiv | 1996
    The universal multizone crystallizator (UMC) has been developed and patented by a team at the University of Miskolc for crystal growth of ...

    Optical figure testing of prototype mirrors for JPL's precision segmented reflector (PSR) program

    Hochberg, E.B. | Tema Archiv | 1991
    shifting interferometer operating at 10.59 microns and laser metrology for measurement of piston and absolute radius of curvature. The optical ...

    The application and development tendency of optical measurement in automobile industry

    Gang Wan | Tema Archiv | 2002
    the development process. With any changes in design, the impact for a possible collision needs to be examined. An optical measurement system ...

    Strain measurement using a Brillouin optical time domain reflectometer for development of aircraft structure health monitoring system

    Shimizu, T. / Yari, T. / Nagai, K. et al. | Tema Archiv | 2001
    We conducted theoretical and experimental approaches for applying Brillouin optical time domain reflectometer (BOTDR) to aircraft and ...

    Damage detection of satellite structures by optical fiber with small diameter

    Kabashima, S. / Ozaki, T. / Takeda, N. | Tema Archiv | 2000
    monitoring system usually utilizes optical fiber sensor of which the diameter is 125 micrometer. However, such fiber sensors tend to be perceived as ...

    Direct optical sensing of underwater sound fields: naval applications

    Podlesak, M. | Tema Archiv | 1999
    Control of underwater noise radiated by naval vessels relies on two factors. First, ship design for quiet operation, and second, provision ...

    Interaction of micro-organisms (fungi and bacteria) with optical and electronic materials

    Kukhtarev, N.V. / Kukhtareva, T.V. / Jones, J. et al. | Tema Archiv | 2002
    for unattended and space-based optical and electronic systems. We have investigated the process of growth and distribution of fungal elements ...

    Recent developments in the use of plastic optical fiber for an embedded wear sensor (for marine propulsion shafting)

    Cohen, E.I. / Mastro, S.A. / Nemarich, C.P. et al. | Tema Archiv | 1999
    This paper describes recent developments of a practical, low cost embedded plastic optical fiber (POF) wear sensor system for the condition ...

    Using 0.8 mu m DMILL technology to realize an encoder/decoder for optical transmission at 550 Mbps

    Claus, H. / Cabuy, F. / Roef, P. | Tema Archiv | 1999
    data is digitized at the antennae. An optical harness distributes clocking data to the antennae to synchronize the digitizing of the data, and ...

    New technique using CO2 laser for high heating and simultaneous optical characterization of IR windows

    Simoneau, J. / Feller, R. / Peatfield, C. et al. | Tema Archiv | 1997
    magnitude and distribution of the heat on the window. Therefore, for each missile application, it is critical to be able to determine the optical ...

    Measuring space radiation impact on the characteristics of optical glasses; measurement results and recommendations from testing a selected set of materials

    Fruit, M. / Gusarov, A.I. / Doyle, D.B. | Tema Archiv | 2002
    Radiation sensitivity of glass is a general concern for the designer of Space optical instruments. ASTRIUM, in cooperation with SCK-CEN ...

    Connection of optical fibers embedded in aircraft composite components

    Sjogren, A. / Lindstrom, B. | Tema Archiv | 2000
    This paper describes a manufacturing technique for embedding standard fiber-optic connection hardware in aircraft composite components ...

    On-line characterization of impacts on electrical train current collectors using integrated optical fiber grating sensor network

    Ecke, W. / Schroeder, K. / Kautz, M. et al. | Tema Archiv | 2005
    A sensor network consisting of unified fiber grating based temperature and strain sensor pads has been developed for integration in carbon ...

    Impact damage detection of stiffened composite panels by using embedded small-diameter optical fibers

    Tsutsui, H. / Kawamata, A. / Sanda, T. et al. | Tema Archiv | 2001
    by the sensors. In this study, both multi-mode optical fibers and fiber bragg grating (FBG) sensors are used for detecting impact load and ...

    Optical stability testing of the fiber support technology (FiST) focal plane assembly of the SABER instrument

    Jensen, S.M. / Batty, J.C. / Esplin, R.W. et al. | Tema Archiv | 1998
    a warm environment. The SABER team deemed it necessary to perform optical stability testing on this never-before-flown technology for ...

    Transparent ceramics for armor and EM window applications

    Patel, P.J. / Gilde, G.A. / Dehmer, P.G. et al. | Tema Archiv | 2000
    for a variety of applications. Future combat and non-combat environments will require lightweight, threat adjustable, multifunctional, and ...

    IR-camera methods for automotive brake system studies

    Dinwiddie, R.B. / Lee, Kwangjin | Tema Archiv | 1998
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Applications for thermal NDT on advanced composites in aerospace structures

    Baughman, S.T. | Tema Archiv | 1998
    Time Dependent Thermography (TDT) is a key approach for unlocking the potential of infrared thermography NDE for aerospace applications ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    Antimony-based superlattices for high-performance infrared imagers

    Walther, M. / Rehm, R. / Schmitz, J. et al. | Tema Archiv | 2008
    InAs/GaSb short-period superlattices (SL) for the fabrication of mono- and bispectral thermal imaging systems in the mid-wavelength ...

    Inspection of metallic thermal protection systems for the X-33 launch vehicle using pulsed infrared thermography

    Taylor, J.O. / Dupont, H.M. | Tema Archiv | 1998
    High resolution pulsed infrared thermography (PIRT) has been assessed, selected and developed for the inspection of brazed metallic ...
    Verlag: SPIE International Society for Optical Engineering , Bellingham

    A MEMS-based infrared emitter array for combat identification

    San, Haisheng / Chen, Xuyuan / Xu, Peng et al. | Tema Archiv | 2008
    decreased. In experiment, the surface temperature distribution of IR emitter arrays were measured by thermal imaging system, and the optical ...

    Thermoelectric infrared imaging sensors for automotive applications

    Hirota, M. / Nakajima, Y. / Saito, M. et al. | Tema Archiv | 2004
    summarized. This performance is suitable for consumer electronics as well as automotive applications. ...

    Micromachined SiC fiber optic pressure sensors for high-temperature aerospace applications

    Pulliam, W. / Russler, P. / Mlcak, R. et al. | Tema Archiv | 2000
    silica optical fiber. In contrast, silicon carbide has excellent mechanical, thermal and chemical properties for use in such environments, while ...

    Prospects for practical and economic FOS solutions for automotive measurement applications

    McGeehin, P. | Tema Archiv | 2000
    . Whilst transduction principles have been fully explored, and some key applications (for example fibre optic gyroscopes) have moved forward, even ...

    Science telescope for Gravity Probe B

    Wang, Suwen / Farley, R.P. / Goebel, J.H. et al. | Tema Archiv | 2003
    The gravity probe B relativity mission uses a fused-quartz optical star tracking telescope as the sensor for the control system which ...

    Development of low-OPD windows for airborne laser

    Billman, K.W. / Tran, D.C. / Johnson, L.F. et al. | Tema Archiv | 2001
    We begin with a brief review of prior work relating to optical windows for use with high power laser beams. A typical window must provide ...

    Classifier designs for binary classifications of ground vehicles

    Wu, Hongwei / Mendel, J.M. | Tema Archiv | 2003
    Our goal for this study is to construct classifiers with minimum classification error rates for three binary classification problems based ...

    High durability antireflection coatings for silicon and multispectral ZnS

    Joseph, S. / Marcovitch, O. / Yadin, Y. et al. | Tema Archiv | 2007
    both day and night. In order to achieve such capabilities, advanced electro-optical systems are being constantly developed and improved. These ...

    MOEMS pressure sensors for propulsion applications

    Boyd, J.T. / DasGupta, S. / Jackson, H.E. | Tema Archiv | 2000
    for harsh environments than electrically interrogated MEMS devices, so with sturdy packaging these optical devices may be useful to many ...

    Hybrid, contact, and no contact measurement system for industry

    Sitnik, R. / Sladek, J. / Kupiec, M. et al. | Tema Archiv | 2008
    the paper we present a concept that combines the accuracy of coordinate measurement machines (CMM) and the speed of full-field optical methods ...

    A bioinspired vision chip architecture for collision detection in automotive applications

    Laviana, R. / Carranza, L. / Vargas, S. et al. | Tema Archiv | 2005
    This paper describes the architecture and retino-topic unit of a bio-inspired vision chip intended for automotive applications. The chip ...

    Distributed fiber optic pressure/seismic sensor for low-cost monitoring of long perimeters

    Choi, Kyoo-Nam / Juarez, J.C. / Taylor, H.F. | Tema Archiv | 2003
    The use of an optical fiber as a distributed sensor for detecting, locating, and (with suitable signal processing) classifying intruders is ...

    Actuator development for a flapping microrobotic microaerial vehicle

    Cox, A. / Garcia, E. / Goldfarb, M. | Tema Archiv | 1998
    areas result in low Reynolds numbers. For Re's below 103 conventional fixed wing flight is no longer possible because drag becomes ...

    Cryogenic/thermal system for the SIRTF Cryogenic Telescope Assembly

    Hopkins, R.A. / Finley, P.T. / Schweickart, R.B. et al. | Tema Archiv | 2003
    provides the telescope, which is maintained at 5.5 K temperature in order to achieve the low photon background required for the 160 micron detector ...

    Nonlinear optic polymer electro-optic modulators for space applications

    Grote, J.G. / Zetts, J.S. / Nelson, R.L. et al. | Tema Archiv | 2002
    passive polymers with various conductivities, both ionic and electronic, suitable for use as optical cladding layers in NLO polymer based opto ...

    Characteristics of volume expansion of laser plasma for efficient propulsion

    Uchida, S. / Hashimoto, K. / Fujita, K. et al. | Tema Archiv | 2002
    Laser propulsion has many advantages over other conventional methods of producing thrust in space applications. For example, laser energy ...

    Temperature-compensated miniature cylinder pressure sensor for automotive applications

    Wlodarczyk, M.T. | Tema Archiv | 2003
    The 1.7 mm diameter pressure sensor utilizes the principle of light intensity changes, transmitted by two optical fibers, upon reflection ...

    Laser impulse generation required for space debris deorbiting

    Watanabe, K. / Sasoh, A. | Tema Archiv | 2004
    Impulse generation using laser energy has advantages for aerospace propulsion; energy can be supplied from a remote device, thereby ...

    Robotic vehicle uses acoustic array for detection and localization in urban environments

    Young, S.H. / Scanlon, M.V. | Tema Archiv | 2001
    is being developed. The robots have been tested in both urban and open terrain. Detection algorithms for speech and vehicle detection ...

    Vehicle counting and classification algorithms for unattended acoustic sensors

    Hohil, M.E. / Heberley, J. / Chang, Jay et al. | Tema Archiv | 2003
    Unattended ground sensor technology used for battlefield awareness and other wide area surveillance applications requires state-of-the-art ...

    Nonintrusive fiber optic diagnostic for monitoring spacecraft contamination

    Fitzpatrick, C.M. / Abid, M. / Netherwood, G. et al. | Tema Archiv | 2003
    Contamination of spacecraft surfaces by deposition and ablation can potentially limit the performance and lifetime of solar panels, optical ...

    QWIP chip dual-color and multicolor FPAs for military applications

    McQuiston, B.K. / Cho, E. / Lim, W. et al. | Tema Archiv | 2004
    countries struggling for socio-economic stability long after the cessation of hostilities. This paper will describe the efforts to develop a near ...