CONFERENCE PROCEEDINGS - GBV · Fiber Optics Sensors between Market and Research H.Arditty...

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9th OPTICA UNIVERSlTATSBiBLIOTHEK HANNOVER TECHNISCHE tNFORMATIONSBIBUOTHEK FIBER SENSORS CONFERENCE Palazzo dei Congressi, Firenze, Italia CONFERENCE PROCEEDINGS Organized by: (AEI) Associazione Elettrotecnica ed Elettronica Italiana (AEI) Istituto di Ricerca sulle Onde Elettromagnetiche n del Consiglio Nazionale delle Ricerche (IROE - CNR) Areadella Ricerca di Firenze del CNR Sponsored by: Consiglio Nazionale delle Ricerche (CNR) * Comitato Nazionale Scienze Fisiche * Comitato Nazionale Ricerche Tecnologiche e Innovazione * Progetto Finalizzato Tecnologie Elettroottiche CISE Tecnologie Innovative in Cooperation with: European Optical Society (EOS) IEEE Laser and Electrooptics Society (IEEE - LEOS) IEE The Institution of Electrical Engineers Optical Society of America (OSA) The International Society for Optical Engineering (SPIE) UB/TIB Hannover 89 112 481 40X

Transcript of CONFERENCE PROCEEDINGS - GBV · Fiber Optics Sensors between Market and Research H.Arditty...

Page 1: CONFERENCE PROCEEDINGS - GBV · Fiber Optics Sensors between Market and Research H.Arditty Photonetics, Marly-le-roi, France Session Tul NONLINEAR PHENOMENA IN FIBER OPTIC SENSORS

9th OPTICA

UNIVERSlTATSBiBLIOTHEKHANNOVER

TECHNISCHEtNFORMATIONSBIBUOTHEK

FIBER SENSORS CONFERENCEPalazzo dei Congressi, Firenze, Italia

CONFERENCEPROCEEDINGS

Organized by:

(AEI) Associazione Elettrotecnica ed Elettronica Italiana (AEI)

Istituto di Ricerca sulle Onde Elettromagnetiche

n del Consiglio Nazionale delle Ricerche (IROE - CNR)

Areadella Ricerca di Firenze del CNR

Sponsored by:

Consiglio Nazionale delle Ricerche (CNR)

* Comitato Nazionale Scienze Fisiche

* Comitato Nazionale Ricerche Tecnologiche e Innovazione

* Progetto Finalizzato Tecnologie Elettroottiche

CISE Tecnologie Innovative

in Cooperation with:

European Optical Society (EOS)

IEEE Laser and Electrooptics Society (IEEE - LEOS)

IEE The Institution of Electrical Engineers

Optical Society of America (OSA)

The International Society for Optical Engineering (SPIE)

UB/TIB Hannover 89112 481 40X

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TABLE OF CONTENTS

TECHNICAL PROGRAM

Tuesday, May 4

Tul.l Invited paperFiber Optics Sensors between Market and ResearchH.ArdittyPhotonetics, Marly-le-roi, France

Session TulNONLINEAR PHENOMENA IN FIBER OPTIC SENSORS ANDRELATED COMPONENTSChair: Shaoul Ezekiel, MIT, Cambridge, MA, USA

Tul.2 Optical Signal Processing and Sensing Techniques ExploitingStimulated Brillouin Scattering In High Birefringence Optical FibreC.J.DuffyOptics & Laser Tech. Dept., Sowerby Res. Centre, British Aerospace pic,FPC267, Filton, Bristol, UKO.S.Khan, R.P.TatamOptical Sensors Group, Centre for Photonics & Optical Eng., School ofMechanical Eng., Cranfield Inst. of Technology, Bedford, Milton Keynes, UK

Tul.3 Generation of Multiple Stokes Waves in a Brillouin Fiber Ring LaserK.Toyama, S.Huang, P.A.Nicati, B.Y.Kim, HJ.ShawEdward L. Ginzton Laboratory, Stanford University, USA

Tul.4 Experimental Investigation and Theoretical Modelling of a BrillouinRing Laser GyroscopeD.Garus, R.Hereth, F.Schliep, H.NolteLehrstuhl A.E.E.O, Ruhr-Universita't Bochum, Germany

Tul.5 Analyses on State of Polarization of Stimulated Brillouin Scatteringin an Optical Fiber Ring-Resonator. Basic Studies of Fiber-Optic LaserGyroK.Hotate, Y.TanakaRCAST, The University of Tokyo, Japan

Session Tu2GRATINGS FOR SENSORSChair: Herve Arditty, Photonetics, Marly-le-roi, France

Tu2.1 Invited paperOptical Fiber Grating Sensors: Function, Instrumentation andArchitectureJ.R.Dunphy, G.Meltz, W.S.MoreyUTRC, East Hartford, CT, USA

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Tu2.2 Optical Fibre Sensor for High Pressure Measurement Using an 27in-Fibre GratingM.G.Xu, L.Reekie, Y.T.Chow, J.P.DakinOptoelectronics Res. Centre, Univ. of Southampton, UK

Tu2.3 Compact Mach-Zehnder Fibre Interferometer Incorporating 31Photo-Induced Gratings in Elliptical Core FibresS.E.Kanellopoulos, V.A.Handerek, A.J.RogersDept. of Electronic & Electrical Eng., King's College London, UK

Tu2.4 Mode Coupling Fiber Gratings for Fiber Optic Devices 35Y.W.Koh, S.H.Yun, B.Y.KimDept. of Physics, KAIST, Taejon, Korea

Tu2.5 Fiber Fabry-Perot Demodulator for Bragg Grating Strain-Sensors 39A.D.Kersey, T.A.BerkoffOptical Sciences Div.,NRL, Washington, DC, USAW.W.MoreyUTRC, East Hartford, CT, USA

Tu2.6 Simultaneous Interrogation of Fibre Optic Grating Sensors 43D.A.JacksonPhysics Lab., University of Kent, Canterbury, UKA.B.Lobo RibeiroINESC, Optoelectronics Group, Porto, PortugalL.Reekie, J.L.Archambault, P.StRussellORC, University of Southampton, UK

Session Tu3MULTIPLEXED AND DISTRIBUTED SENSORS 47Chair: Alan J. Rogers, King's College, London, UK

Tu3.1 Invited paperFiber Lasers and Amplifiers in Distributed Sensors 49W.A.GamblingUniversity of Southampton, UK

Tu3.2 Down-lead Sensitivity in Coherence Multiplexed Sensing Systems 55RFarahiPhys. Dept, Univ. of North Carolina, Charlotte, NC, USA

Tu3.3 Multiplexing of Polarimetric Sensors Addressed in Coherence 59J.L.Santos, A.P.LeiteINESC Porto, Laboratdrio de Fisica, U. Porto, Portugal

Tu3.4 Simple Multiplexing Schemes for Sensor Networks Exploiting Low 63Coherence InterferometryA.B.Lobo RibeiroINESC, Optoelectronics Group, Porto, PortugalT.Y.LiuUniversity College of Swansea, UKY.J.Rao, D.AJacksonPhysics Lab., University of Kent, Canterbury, UK

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Tu3.5 Polarization-Induced Fading in Fiber-Optic Sensor Arrays Made of 67Polarization-Maintaining FibersM.Tur, Y.S.BogerFaculty of Engineering, Tel-Aviv University, IsraelHJ.ShawGinzton Laboratory, Stanford University, CA, USA

Tu3.6 Non-Incremental and Quasi-Distributed Fiber-Optic Thermometer 71V.Gusmeroli, M.Martinelli, A.Barberis, C.MariottiniCISE Tecnologie Innovative SpA, Milano, Italia

Tu3.7 Optical Fibre Based Distributed Temperature Sensor with a 22Km 75Sensing LengthX.Bao, D.J.Webb, D.AJacksonPhysics Lab., University of Kent, Canterbury, UK

Tu3.8 A Practical Kerr-Effect Distributed Optical-Fibre Sensor with 79Polarization-Diversity DetectionI.Cokgor, V.A.Handerek, A.J.RogersDept. of Electronic & Electrical Eng., King's College London, UK

Tu3.9 Distributed Interferometry Using Rayleigh Backscattering in Optical 83FibresRJuskaitisDept. of Eng. Science, Oxford University, UKA.M.Mamedov, V.T.Potapov, S.V.ShatalinInst. of Radio Eng. & Electronics, Fryazino, Russia

Session Tu4GYROS 87Chair: Byoung Yoon Kim, KAIST, Taejon, Korea

Tu4.1 Invited paperFiber Optic Gyro: Technologies and Applications in Japan 89K.HotateThe University of Tokyo, Japan

Tu4.2 Mode Locked Fiber Laser Gyroscope 97M.Y.Jeon, H.J.Jeong, B.Y.KimDept. of Physics, KAIST, Taejon, Korea

Tu4.3 Suppression of Lock-In Closed-Loop Fibre Optic Gyro 101M.Kemmler, P.Grollmann, P.KrasseltLITEF GmbH, Freiburg, Germany

Tu4.4 Intensity-Dependent Beat Frequency in a Fiberoptic Ring Laser Gyro 105S.Huang, K.Toyama, H.J.ShawEdward L. Ginzton Lab., Stanford University, CA, USAL.ThevenazSwiss Federal Inst. of Tech., Lab. de Metrologie, Lausanne, SwitzerlandB.Y.KimKAIST, Taejon, Korea

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Tu4.5 Single Mode Fiber Based Fiber Optic Gyroscope for Automobile 109Navigation SystemY.Nishi, T.Iwashita, K.Okamoto, A.OokaAutomotive Electric & Electronics Div., Sumitomo Electric Industries Ltd.,Osaka, JapanY.Nishiura, K.WashimiInformation & Electronics Laboratory, Sumitomo Electric Industries Ltd.,Osaka, Japan

Poster Session 1 113

P1.1 Novel All-Fibre Interferometric Architectures 115H.HuangShanghai University of Science & Technology, China

P1.2 Signal Recovering in Fiber Optic Sensors based on Nonlinear FMCW 119TechniqueS.A.Egorov, I.G.Likhachiev, A.N.Mamaev, A.S.PolyantsevSVET Corp., Moscow, Russia

P1.3 A Fiber-Coil Deformation Sensor Operating in Low and High 123SensitivitiesS.Tanaka, S.Sawae, Y.OhtsukaDept. of Eng. Science, Hokkaido Univ., Sapporo, Japan

P1.4 Fiber Optic Polarization and Phase Modulator Utilizing a Transparent 127Piezofilm with Indium Tin Oxide ElectrodesV.S.Sudarshanam, R.O.ClausFiber & Electro Optics Research Centre, Bradley Dept. of Electrical Eng.,Virginia Polytechnic Inst. & State University, Blacksburg, VA, USA

P1.5 Noise in Amplified Fiber Optic Recirculating-Ring Delay Lines 131J.T.KringlebotnOptoelectronics Res. Centre, Univ. of Southampton, UKK.BlotekjaerDept. of Physical Electronics, The Norwegian Institute of Technology,Trondheim, Norway

Pl.6 Electronically Scanned White-Light Interferometric Sensor for High 135Hydrostatic Pressure MeasurementsW.J.BockLab. d'Optoilectroniaue, Dtp. d'Informatique, Universite du Quebec a Hull,CanadaW.UrbanczykInst. of Physics, Technical University of Wroclaw, Poland

P1.7 Effect of SBS on the Noise Performance of a Remotely Interrogated 139Interferometric SensorM.A.Davis, A.D.Kersey, A.DandridgeOptical Science Division, NRL, Washington, DC, USA

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PI.8 A Phenomenological Model of Coherent Rayleigh Backscattering in 143Transceiver Fibre LinksC.Mc Garrity, R.D.Pechstedt, R.Pitcher, D.A.JacksonPhysics Lab., University of Kent, Canterbury, UK

P1.9 Interferometric Fiber-Optic Radiation Sensor 147P.R.FormanLos Alamos National Laboratory, NM, USA

Pl.10 Scale Factor Accuracy Improvement of Automotive Fiber Optic Gyros 151S.Oho, KSonobeHitachi Res. Lab., Hitachi Ltd., JapanT.Kumagai, H.KajiokaHitachi Cable Ltd., Japan

Pl.ll Fiber-Optic Microphone Using a Fabry-Perot Interferometer 155H.Naono, M.Matsumoto, KFujimura, K.HattoriAcoustic Research Lab., Matsushita Electric Ind. Co. Ltd., Osaka, Japan

P1.12 Unsteady Gas Temperature Measurement in Wind Tunnels Using 159Fibre Fabry-Perot InterferometersS.R.Kidd, J.S.Barton, M.N.Inci, J.D.C.JonesDept. of Physics, Heriot-Watt University, Edinburgh, UK

P1.13 The Opto-Mechanical Hybrid FOG, a Potential North Finder 163A.Asseh, G.Edwall, T.Johansson, A.KotsinasPhysics Dept. II, Royal Inst. of Tech., Stockholm, SwedenB.Sahlgren, R.StubbeInstitute of Optical Research, Stockholm, Sweden

Pi.14 A Current Sensor Using Spun Birefringent Fibre in a Sagnac 167ConfigurationLG.Clarke, LM.BassettOFTC, School of Physics, University of Sydney, AustraliaD.Geake, A.D.StokesOFTC, School of Electrical Eng., University of Sydney, AustraliaS.B.PooleOFTC, University of Sydney, Australia

P1.15 A New Optical Demodulation Board for White Light Interferometric 171Fiber Sensors

• C.Blanchet, J.M.Maillard, M.LequimeBERTIN & Cie, Optics & Optoelectronics Division, Aix-en-Provence, France

Pl.16 High Temperature Sapphire Extrinsic Fizeau Interferometer for Strain 175Measurements on Silicon Carbide MaterialsK.A.Murphy, R.May, A.Wang, G.Wang, R.O.ClausFiber & Electro-Optics Res. Center, Virginia Polytechnic Inst. & StateUniversity, Blacksburg, VA, USAT.ATranFiber & Sensors Technologies Inc., Blacksburg, VA, USA

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Wednesday, May 5

Tu4.6 Invited paperLow Cost Fiber Optic GyroscopesH.PoiselFachhochschule NUrnberg, GermanyG.F.TrommerDeutsche Aerospace AG, Dynamics Systems, Munich, Germany

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Session WlCHEMICAL AND ENVIRONMENTAL SENSORSChair: John Dakin, University of Southampton, UK

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Wl.l Invited paperThe European Production of Optical Fiber Sensors for Medical andEnvironmental MeasurementsA.G.MignaniIROE - CNR, Firenze, Italia

W1.2 Electrochemically Controlled Optical Waveguide SensorsC.R.Lavers, C.Piraud, J.S.WilkinsonOptoelectronics Res. Centre, Univ. of Southampton, UKM.Brust, KO'Dwyer, D.J.SchiffrinChemistry Dept., University of Liverpool, UK

W1.3 A Portable Optical Fiber Sensor for Oxygen DetectionA.Del Bianco, F.BaldiniIROE - CNR, Firenze, Italia

W1.4 MIR-fiber sensors for remote spectroscopy and pyrometry in 4-16 umregionV.Artjushenko, W.NeubergerCeramOptec GmbH, Bonn, GermanyA.Kryukov, A.Lerman, V.Plotnichenko, F.StepanovCeramOptec Systems, Moscow, Russia

W1.5 Characterization of Monodispersive Particulates by Optical FibersM.Brenci, D.Guzzi, A.Mencaglia, A.G.MignaniIROE - CNR, Firenze, Italia

W1.6 Broadband Sources for Gas Detection Using FluorescentRare-Earth-Doped Fibres Pumped by Low-Cost Semiconductor LaserSourceX.P.DongUniv. of Science & Tech., ChinaH.O.Edwards, J.P.DakinOptoelectronics Res. Centre, Univ. of Southampton, UKE.ShafirSoreq NRC, Yavne, Israel

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Session W2FIBER OPTICS PROCESSING SCHEMES 215Chair: Gordon W. Day, NIST, Boulder, CO, USA

W2.1 Invited paperNew Applications of Fiber Lasers to Fiber Optic Sensors 217B.Y.KimKAIST, Taejon, Korea

W2.2 Adaptive Optical Multimode-Guide Sensors Employing Neural 221Processing TechniqueS.Aisawa, K.Noguchi, T.MatsumotoNTT Transmission Systems Labs., Kanagawa, Japan

W2.3 Polarimetric Laser Sensors 225H.K.Kim, S.K.Kim, B.Y.KimDept. of Physics, KAIST, Taejon, Korea

W2.4 Acousto-OpticallyQ-Switched Fibre Laser Source of High Peak Power 229and Short Duration Pulses for Fibre Sensor ApplicationsI.Abdulhalim, C.N.Pannell, L.Reekie, KP.Jedrzejewski, E.RTaylor,D.N.PayneOptoelectronics Research Centre, Optical Fibre Group, SouthamptonUniversity, UK

W2.5 Polarization-Independent Reflectometric Fiber Ring-Resonator 233ConfigurationM.A.Davis, A.D.KerseyOptical Technology Branch, NRL, Washington, DC, USAK.H.WanserPhysics Dept, California State Univ., Fullerton, CA, USA

W2.6 Gain-Switched Fabry-Perot Laser Diodes as Sources for Low 237Coherence InterferometryR.A.Griffin, D.D.Sampson, D.A.JacksonPhysics Lab., University of Kent, Canterbury, UK

Session W3LOW AND HIGH COHERENCE INTERFEROMETRIC SENSORS 241Ghair: Brian Culshaw, University of Strathclyde, Glasgow, UK

W3.1 Invited paperLow-coherence Reflectometry for High Accuracy Sensing 243W.V.SorinHewlett Packard Laboratories, Palo Alto, CA, USA

W3.2 Bistable Fiber-Optic Michelson Interferometer with Sawtooth Fringes 247for Unambiguous Fringe CountingN.Furstenau, W.SchmidtGerman Aerospace Research Establishment (DLR), Institute for FlightGuidance, Braunschweigh, Germany

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W3.3 Analysis of the Dynamic Response of a Ring Resonator to a Time 251Varying Input SignalK.Kalli, D.AJacksonApplied Optics Group, University of Kent, Canterbury, UK

W3.4 Measurement of Fundamental Thermal Phase Fluctuations in Optical 255FiberK.H.WanserPhysics Dept., California State Univ., Fullerion, CA, USAA.D.Kersey, A.DandridgeOptical Sciences Division, NRL, Washington, DC, USA

W3.5 Ultrasonic Hydrophone Using a Push-Pull Transducer in a Sagnac 259InterferometerS.Knudsen, KBlotekjaerNorwegian Institute of Technology, Faculty of Electrical Engineering &Computer Science, Trondheim, Norway

W3.6 High Performance Integrated Acousto-Optical Heterodyne 263Interferometer in LiNbO3F.Tian, R.Ricken, W.SohlerUniversMt-GH Paderborn, Angewandte Physik, Germany

W3.7 Thermally-Scanned, In-Line, Fibre Polarimetric Interrogator For 267"White-Light" InterferometryM.G.Xu, M.Johnson, J.P.DakinOptoelectronics Res. Centre, Univ. of Southampton, UKM.FarhadiroushanSensor Dynamics Ltd., Winchester, UK

W3.8 White Light Fiber Optic Sensor Network for the Thermal Monitoring 271of the Stator in a Nuclear Power Plant AlternatorC.Lecot, J.J.Guerin, M.LequimeBERTIN & Cie, Aix-en-Provence, FranceM.RioualEDF/DER, Clamart, France

W3.9 Compounded Source for White-Light Interferometric Systems 275Y.J.Rao, Y.N.Ning, D.AJacksonPhysics Lab., University of Kent, Canterbury, UK

Poster Session 2 279

P2.1 Fiber Optic Electric Field Microsensor 281A.Mendez, T.F.MorseLaboratory for Lightwave Technology, Brown University, Providence, RI, USAD.CiarloLawrence Livermore National Lab., CA, USA

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P2.2 30 Km Long Remote Sensing of Methane Gas Using a 1.65 um DFB 285LD and Single Mode FiberM.Aizawa, T.Okamoto, J.Ono, Y.Araki, H.NagaiResearch Laboratory, Anritsu Co., Kanagawa, Japan

P2.3 A Theoretical and Experimental Investigation of a Practicable Fibre 289Optic Current Sensor Using Sagnac InterferometerA.Yu, A.S.SiddiquiDept. of Electronic Systems Eng., University of Essex, Colchester, UK

P2.4 Vectorial Magnetic-Field Fiberoptic Sensor based on Accurate 293Birefringence ControlV.Annovazzi-Lodi, S.Donati, S.Merlo, L.ZucchelliDipariimento di Elettronica, Universita di Pavia, Italia

P2.5 Comparison of 4 Different Optical Fibre Coil Concepts for High 297Voltage Magnetooptic Current TransformersT.BosselmannSIEMENS AG, Corporate R&D, Erlangen, Germany

P2.6 Practical Compact High Performance Fiber-Optic Frequency Shifter 301J.Blake, P.SiemsenDept of Electrical Engineering, Texas A&M University, College Station, TX,USA

P2.7 A Miniature Optical Current Clamp 305Y.N.Ning, D.AJacksonPhysics Lab., University of Kent, Canterbury, UK

P2.8 Detection of Gases and Chemical Vapors with a Specifically Coated 309Optical Fibre SensorC.Ronot, H.Gagnaire, J.P.GoureLaboratoire du Traitement du Signal et Instrumentation, University JeanMonnet, Saint Etienne, FranceNJaffrezic-RenaultLab. de Physico-Chimie des Interfaces, Ecole Centrale de Lyon, Ecully, FranceT.PicheryGaz de France, La Plaine Saint Denis, France

P2.9 Superluminescent Diodes for Visible (670 run) Spectral Range Based 313on AlGalnP/GalnP Heterostructures with Tapered GroundedAbsorberAXSemenov, V.R.Shidlovski, S.A.SafinSuperlum Ltd., Moscow, RussiaV.P.Konyaev, MV.ZverkovRTC "Microlaser", Moscow, Russia

P2.10 A Multi-Function Gyro Chip Based on Ti-Indiffusion and 317Proton-ExchangeA.Watanabe, T.Kawazoe, H.MoriElectronics Materiab Lab., Sumitomo Metal Mining Co. Ltd., Tokyo, Japan

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P2.ll An Optical Fibre Sensor for Eye-Length Measurement 321S.ChenSchool of Electronic, Electrical & Information Eng., South Bank University,London, UKD.Wang, KT.V.Grattan, A.W.PalmerDept. of Electronic, Electrical & Information Eng., City University, London,UKG.L.DickSchool ofOptometry, University of New South Wales, Kensington, Australia

P2.12 A Photon Scanning Tunneling Microscope at I.N.O. 325A.Mannoni, F.QuercioliIstituto Nazionale di Ottica, Firenze, Italia

P2.13 Generation of l l lkW (0.5mJ) Pulses at 1.5um Using a Gated Cascade 329of Three Fibre AmplifiersB.DesthieuxFujitsu Laboratories Ltd., Kawasaki, JapanR.I.Laming, D.N.PayneOptoelectronics Res. Centre, Univ. of Southampton, UK

P2.14 Simultaneous Measurement of Temperature and Strain By Dispersive 333Fourier Transform SpectroscopyD.A.FlavinDept. of Physical Sciences, Waterford Regional Technical College, Waterford,Rep. of IrelandR.Mc Bride, J.D.CJonesDept. of Physics, Heriot-Watt University, Edinburgh, UK

P2.15 Optoelectronic ESPI: Applications to Surface Contouring and 337Vibration MeasurementsH.Atcha, R.P.TatamOptical Sensor Group, School of Mechanical Engineering, Cranfield Instituteof Technology, UK

P2.16 "Continuous Fibre" Wavelength Selective Elements for Fibre Optic 341Sensing SystemsWJonnstone, D.Moodie, K.Mc Callion, G.Fawcett, G.ThursbyUniversity of Strathclyde, Dept. of Electronic & Electrical Eng., Glasgow, UK

P2.17 Narrow Band WDMs and Broad Band Filters Using Birefringent 345Optical FibreH.D.Ford, R.P.TatamOptical Sensors Group, School of Mechanical Engineering, Cranfield Instituteof Technology, UK

P2.18 Embedded, Tapered, Elliptical-Core, Dual-Mode, Spatially Weighted 349Optical Fiber Sensors for Structural Vibration-Mode Analysis andFilterT.A.TranFiber & Sensors Technologies Inc., Blacksburg, VA, USAK.A.Murphy, A.Wang, S.Rudraraju, R.O.ClausFiber & Electro-Optics Research Center, Virginia Polytechnic Inst. & StateUniversity, Blacksburg, VA, USA

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P2.19 Elimination of Instability in Fiber-Optic Magnetometer 353Z.Wei, Z.ZhipengDept. of Electrical Power Engineering Huazhong, University of Science &Technology, Wuhan, China

P2.20 A Novel Lightning Location Sensing System Making Use of 357Relativistic Faraday EffectO.Aso, A.FujisakiOpto-Tech. Lab. Furukawa Electric Co. Ltd., Chiba, JapanH.YasudaCommunication Group, Electric R&D Center, Chubu Electric Power Co. Inc.,Nagoya, Japan

Thursday, May 6

Session ThlMECHANICAL AND RELATED SENSORS 363Chair: Reinhardt Willsch, Institiit fiir Phys. Hochtechnologie, Jena, Germany

Thl.l Flight Tests of a Fiber-Optic Interferometric Strain Gauge 365N.Furstenau, D.DJanzen, W.SchmidtGerman Aerospace Research Establishment (DLR), Institute for FlightGuidance, Braunschweig, Germany

Thl.2 Polarimetric In-Fibre based Linear Position Sensor 369B.Meggitt, S.Chen, A.W.Palmer, K.T.V.GrattanDept. of Electronic, Electrical & Information Eng., City University, London,UKR.A.PinnockLucas Advanced Engineering Centre, Solihull, UK

Thl.3 A Planar Fibre Optic Strain Sensor Using Micromechanical 373Resonators Fabricated from (110) Silicon WafersD.Uttamchandani, J.D.ChalmersDept. of Electronics & Electrical Eng., University of Strathdyde, Glasgow, UKA.M.MazzoliniDept. of Physics, Swinburne University of Technology, Hawthorn, Victoria,Australia

Thl .4 A Micromachined Fiber-Optic Silicon Impact Sensor 377D.LiangCentro de Fisica Molecular, Univ. de Lisboa, PortugalB.CulshawOptoelectronics Division, Dept. Electronics & Electrical Eng., University ofStrathdyde, Glasgow, UK

Thl.5 Vibration Phase Measurement By Fibre Optic Electronic Speckle 381Pattern Interferometry (ESPI) with Stroboscopic IlluminationJ.D.Valera, A.F.Doval, J.D.CJonesDept. of Physics, Heriot-Watt University, Edinburgh, UK

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Thl.6 Interferometric Displacement Sensor Integrated On Glass 385O.G.Helleso, P.Benech, RRimetLEMO (ENSERGINPG), Grenoble, France

Thl.7 Application of Embedded Optical Fiber Sensors to Monitoring of 389Fatigue Loading of Reinforced Concrete Cross-BeamsM.de Vries, R.O.ClausFiber & Electro-Optics Res. Center, Bradley Dept. of Electrical Eng., VirginiaTech, Blacksburg, VA, USAS.Masri, MMustafaDept. of Civil Eng., University of Southern California, Los Angeles, CA, USA

Thl.8 Impact Detection in Composite Structures: Experimental Results and 393SimulationM.Turpin, M.Brevignon, H.StoppigliaTHOMSON-CSF Laboratoire Central de Recherches, Orsay, FranceJ.Chazelas, P.BonniauTHOMSON-CSF Division RCM, Malakoff, France

Thl.9 A Fresnel Drag Flow Meter 397R.T.de Carvalho, J.BlakeDept of Electrical Eng., Texas A&M University, College Station, TX, USAW.V.SorinHewlett-Packard Laboratories, Palo Alto, CA, USA

Session Th2ELECTRICAL AND MAGNETIC SENSORS 401Chair: Silvano Donati, Universita di Pavia, Italia

Th2.1 Invited paperApplications of Optical Fiber Sensors in Electrical Power Plants: 403Opportunity and Challenge for the Coherent SensorsM.MartinelliCISE Tecnologie Innovative SpA, Milano, Italia

Th2.2 Invited paperHigh Speed, High Sensitivity Magnetic Field Sensors Based on the 409Faraday Effect in Iron GarnetsM.DeeterNIST, Boulder, CO, USA

Th2.3 Faraday Effect Current Sensor Using Flint Glass Fiber For The 415Sensing ElementK.KurosawaEng. Res. Center, Tokyo Electric Power Co. Inc., JapanLMasuda, T.YamashitaMaterial Research Lab., Hoya Corporation, Tokyo, Japan

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Th2.4 Polarization Independent Current Sensor Using an OrthoconjugatingFiber Loop MirrorMJ.Marrone, A.D.Kersey, LN.Duling, HI, R.D.EsmanOptical Sciences Division, NRL, Washington, DC, USA

Th2.5 Electric Current Measurement with a Vibration Insensitive OpticalFiber Current SensorN.C.Pistoni, M.MartinelliCISE Tecnologie Innovative SpA, Milano, Italia

Th2.6 Integrated Optic High Voltage Sensor Using a Z-Cut LiNbO3Channel-Waveguide Cutoff ModulatorS.Lee, M.Oh, S.ShinDept. of Electrical Engineering, KAIST, Taejon, KoreaK.KekGoldstar Cable Co. Ltd., Anyang, Korea

Th2.7 Fiber-Optic Voltage Sensor with Optical FeedbackP.Boffi, N.C.Pistoni, MMartinelliCISE Tecnologie Innovative SpA, Milano, Italia

Th2.8 The Response of Faraday-Effect Fiber-Optic Current Sensors toNoncentered CurrentsE.Shafir, N.ShakedSoreq Nuclear Research Center, Yavne, IsraelA.Ben-kish, M.TurFaculty of Engineering, Tel-Aviv University, Israel

Th2.9 A Method with Two Light Sources for Accurate D.C. CurrentMeasurement Using Faraday EffectK.KurosawaEng. Res. Center, Tokyo Electric Power Co. Inc., Japan

Th2.10 Interferometric Dual-Mode Fiber Voltage Sensor with RemoteCoherence-Tuned InterrogationK.Bohnert, G.C.de Wit, J.NehringAsea Brown Boveri, Corporate Research Center, Baden, Switzerland

Th2.11 Undersea Test of a Fiber Optic Magnetometer SystemF.Bucholtz, C.A.Villarruel, A.DandridgeNRL, Optical Sciences Division, Washington, DC, USA

• C.K.Kirkendall, A.R.DavisUniversity Research Foundation, Greenbelt, MD, USAJ.A.Mc Vicker, D.M.Dagenais, K.P.K00SFA, Landover, MD, USAS.S.PatrickVirginia Polytechnic & State Univ., Blacksburg, VA, USAK.G.WathenDynamic System Inc., Alexandria, VA, USAG.Wang, T.Lund, H.ValoNorwegian Defence Res. Establishment, Kjeller, Norway

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Th2.12 Invited paperIn-Line Fiber Components: A New Way to Integrate Functional 451DevicesS.KawakamiTohoku University, Sendai, Japan

Session Th3MEDICAL SENSORS 455Chair: Annamaria Scheggi, IROE - CNR, Firenze, Italia

Th3.1 Invited paperFifty Thousand Pressure Sensors per Yean A Successful Fiber Sensor 457for Medical ApplicationsB.TrimbleCamino Laboratories, San Diego, CA, USA

Th3.2 Catheter-Type Disposable Fiber Optic Pressure Transducer 463G.He, M.T.WlodarczykFiberOptic Sensor Technologies Inc., Ann Arbor, MI, USA

Th3.3 Integrated Optical E-Field Probe Using Segmented Modulator 467Electrode for Hyperthermia On-Line MeasurementsT.Meier, B.Schiippert, K.Petermann, C.KostrzewaTechnische Universita't Berlin, Germany

Th3.4 The Optical Waveguide Sensor for High-Resolution 471ElectrocardiographsH.Ohno, Y.AsahinaFukuda Denshi Co. Ltd., Tokyo, JapanY.OhnoCollege of Science & Tech., Nihon Univ., Chiba, Japan