Inventor · disambiguated record
Herve Lefevre
Also filed as: LEFEVRE HERVE · LEFEVRE HERVE C · LEFEVRE HERVE CLAUDE · LEFEVRE HERVÈ
57 granted patents·3 pending applications·1,694 citations·filing 1980–2020
99Inventor score
Top patents by PatentIndex Score
60 records- 0196US4389090AFiber optic polarization controllerUNIV LELAND STANFORD JUNIOR·Filed 1980·Granted Jun 21, 1983·107 cites·10 claims
- 0295US4928005AMultiple-point temperature sensor using optic fibersTHOMSON CSF·Filed 1989·Granted May 22, 1990·214 cites·6 claims
- 0394US6252718B1Optical reflector and laser with external cavity incorporating such a reflectorPHOTONETICS·Filed 2000·Granted Jun 26, 2001·40 cites·7 claims
- 0494US5594744ASinglemode laser source tunable in wavelength with a self-aligned external cavityPHOTONETICS·Filed 1995·Granted Jan 14, 1997·128 cites·10 claims
- 0592US4410275AFiber optic rotation sensorUNIV LELAND STANFORD JUNIOR·Filed 1981·Granted Oct 18, 1983·60 cites·6 claims
- 0687US4743115AMethod of coiling an optical fiber gyroscope and an optical fiber coil thus obtainedTHOMSON CSF·Filed 1986·Granted May 10, 1988·36 cites·10 claims
- 0786US5802085ASinglemode laser source tunable in wavelength with a self-aligned external cavityPHOTONETICS·Filed 1996·Granted Sep 1, 1998·63 cites·1 claims
- 0886US5712704AAppliance for measuring polarization mode dispersion and corresponding measuring processPHOTONETICS·Filed 1996·Granted Jan 27, 1998·64 cites·10 claims
- 0985US4615582AMagneto-optic rotator for providing additive Faraday rotations in a loop of optical fiberUNIV LELAND STANFORD JUNIOR·Filed 1981·Granted Oct 7, 1986·56 cites·67 claims
- 1084US6339609B2Tunable laser source with a self-aligned external cavity and a retro-reflecting-dispersing devicePHOTONETICS·Filed 2001·Granted Jan 15, 2002·21 cites·20 claims
- 1184US4705399ADevice for measuring a nonreciprocal phase shift produced in a closed-loop interferometerTHOMSON CSF·Filed 1987·Granted Nov 10, 1987·52 cites·5 claims
- 1284US4671658AFiber optic rotation sensor utilizing a magnetic shield and an optical isolatorUNIV LELAND STANFORD JUNIOR·Filed 1981·Granted Jun 9, 1987·37 cites·3 claims
- 1383US4733938AMagneto-optic rotatorUNIV LELAND STANFORD JUNIOR·Filed 1986·Granted Mar 29, 1988·42 cites·2 claims
- 1482US5886785AOptical spectrum analyzer and process for analyzing the corresponding spectrumPHOTONETICS·Filed 1997·Granted Mar 23, 1999·80 cites·12 claims
- 1582US4687330AFiber optic rotation sensor with extended dynamic rangeUNIV LELAND STANFORD JUNIOR·Filed 1983·Granted Aug 18, 1987·32 cites·27 claims
- 1680US5181078AFiber optic measuring device, rate gyro, navigation and stabilization system, and current sensorPHOTONETICS·Filed 1991·Granted Jan 19, 1993·54 cites·10 claims
- 1780US5141316AOptical-fiber measuring device, gyrometer, central navigation and stabilizing systemPHOTONETICS·Filed 1990·Granted Aug 25, 1992·51 cites·12 claims
- 1880US4842409AMonomode optical fiber ring interferometric device with semiconductor diode as light energy emission reception/amplification meansTHOMSON CSF·Filed 1986·Granted Jun 27, 1989·39 cites·7 claims
- 1980US4773759AInterferometer with Kerr effect compensationUNIV LELAND STANFORD JUNIOR·Filed 1987·Granted Sep 27, 1988·49 cites·48 claims
- 2079US8953913B2Integrated optical circuit with an off-center grooveIXBLUE·Filed 2013·Granted Feb 10, 2015·5 cites·20 claims
- 2177US6249364B1Optical wave-guide wavelength multiplexer and demultiplexerPHOTONETICS·Filed 1999·Granted Jun 19, 2001·49 cites·13 claims
- 2276US9081136B2Attenuated primary reflection integrated optical circuitIXBLUE·Filed 2013·Granted Jul 14, 2015·4 cites·16 claims
- 2376US5270791AFibre optic measuring device, rate gyro, stabilization system and magnetic field or current sensorPHOTONETICS·Filed 1991·Granted Dec 14, 1993·46 cites·13 claims
- 2473US9945670B2Interferometric measurement deviceIXBLUE·Filed 2015·Granted Apr 17, 2018·3 cites·20 claims
- 2572US11885622B2Interferometer with a looped or straight optical fiberEXAIL·Filed 2020·Granted Jan 30, 2024·1 cites·19 claims
- 2670US6337940B1Wavelength filtering self-aligned retroreflecting optical system, a monochromator and a laser incorporating such a systemPHOTONETICS·Filed 2000·Granted Jan 8, 2002·12 cites·11 claims
- 2768US9702700B2Fibre-optic interferometric measurement device comprising a ring resonator, gyrometer and inertial attitude or navigation unit comprising such a deviceIXBLUE·Filed 2014·Granted Jul 11, 2017·4 cites·17 claims
- 2866US4882716AOptic fiber hydrophone and antenna associating a series of hydrophonesTHOMSON CSF·Filed 1989·Granted Nov 21, 1989·29 cites·5 claims
- 2965US6560249B1Laser source with integral filtering of the amplified spontaneous emissionPHOTONETICS·Filed 2000·Granted May 6, 2003·7 cites·21 claims
- 3064US6519269B1Wavelength tuneable laser sourcePHOTONETICS·Filed 2000·Granted Feb 11, 2003·5 cites·17 claims
- 3164US4836645ADevice for the connection of optic fibers to an integrated optic circuit and method for making the said deviceTHOMSON CSF·Filed 1987·Granted Jun 6, 1989·28 cites·9 claims
- 3264US4815853AThree-axis fiber-optic ring interferometerTHOMSON CSF·Filed 1987·Granted Mar 28, 1989·22 cites·10 claims
- 3363US5719674AProcess for measuring rotation speeds about several axes, and a multiplexed multi-axial gyrofiber allowing this measurementPHOTONETICS·Filed 1996·Granted Feb 17, 1998·46 cites·17 claims
- 3462US9239430B2Integrated optical circuit with traversing attentuation zoneLEFEVRE HERVE CLAUDE·Filed 2013·Granted Jan 19, 2016·2 cites·22 claims
- 3562US4329056AOptical fiber interferometric rate gyro particularly adapted to the measurement of low rotational speedsTHOMSON CSF·Filed 1980·Granted May 11, 1982·14 cites·9 claims
- 3661US5071082ASpool for optic fiber and method for winding without stress on optic fiberTHOMSON CSF·Filed 1990·Granted Dec 10, 1991·14 cites·5 claims
- 3760US9739614B2Fibre-optic measurement device, rate gyro, and inertial stabilisation and navigation unitIXBLUE·Filed 2013·Granted Aug 22, 2017·2 cites·12 claims
- 3858US9766070B2Interferometric measurement device comprising a filtering interferometerIXBLUE·Filed 2013·Granted Sep 19, 2017·2 cites·16 claims
- 3958US4893931AMethod for the detection of polarization couplings in a birefringent optical system and application of this method to the assembling of the components of an optical systemTHOMSON CSF·Filed 1988·Granted Jan 16, 1990·18 cites·8 claims
- 4057US6507597B1Multiwavelength sourcePHOTONETICS·Filed 1999·Granted Jan 14, 2003·20 cites·26 claims
- 4155US6324193B1Continuously wavelength-tunable monomode laser sourcePHOTONETICS·Filed 1999·Granted Nov 27, 2001·22 cites·12 claims
- 4254US4969017AMeasuring device for the measurement, in a wide range, of a non-reciprocal phase shift generated in a ring interferometer, and measuring methodTHOMSON CSF·Filed 1989·Granted Nov 6, 1990·13 cites·6 claims
- 4351US6832022B1Rectangular response optical filter for partitioning a limited spectral intervalPHOTONETICS·Filed 2000·Granted Dec 14, 2004·3 cites·19 claims
- 4451US6600767B1Free space laser with self-aligned fiber outputPHOTONETICS·Filed 1999·Granted Jul 29, 2003·14 cites·11 claims
- 4548US8953169B2Apolarized interferometric system, and apolarized interferometric measurement methodLEFEVRE HERVE·Filed 2011·Granted Feb 10, 2015·1 cites·14 claims
- 4645US4871254AMethod and device for detecting propagation time variations in a ring interferometer and application thereof to wave length controlTHOMSON CSF·Filed 1988·Granted Oct 3, 1989·10 cites·7 claims
- 4745US4762416AMonomode optical fiber reciprocal ring interferometer deviceTHOMSON CSF·Filed 1986·Granted Aug 9, 1988·12 cites·7 claims
- 4842US4373814ACompact optical coupling device and optical-fiber interferometer gyrometer comprising such a deviceTHOMSON CSF·Filed 1980·Granted Feb 15, 1983·8 cites·5 claims
- 4941US9291458B2Fiber-optic measurement device, gyrometer, and navigation and inertial-stabilization systemLEFEVRE HERVE·Filed 2013·Granted Mar 22, 2016·1 cites·14 claims
- 5041US5894488ALight source with stabilized broadband and associated optical fiber gyroscopePHOTONETIC S A·Filed 1996·Granted Apr 13, 1999·14 cites·11 claims
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