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OPTOPLAN AS
NO48 patents
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US5844927ADec 1, 1998
Optical fiber distributed feedback laser
OPTOPLAN AS155 citations99
US7366055B2Apr 29, 2008
Ocean bottom seismic sensing system
OPTOPLAN AS31 citations96
US6276215B1Aug 21, 2001
Sensor for measuring strain
OPTOPLAN AS64 citations96
US6097487AAug 1, 2000
Device for measurement of optical wavelengths
OPTOPLAN AS92 citations96
US6384404B1May 7, 2002
Device for measuring a bending load
OPTOPLAN AS34 citations93
US7688673B2Mar 30, 2010
Connector nodes for interrogating optical fiber sensor arrays
OPTOPLAN AS12 citations92
US7551517B2Jun 23, 2009
Seabed seismic station packaging
OPTOPLAN AS25 citations92
US7245382B2Jul 17, 2007
Downhole optical sensor system with reference
OPTOPLAN AS28 citations92
US7088878B2Aug 8, 2006
Method and apparatus for producing depolarized light
OPTOPLAN AS23 citations92
US7081959B2Jul 25, 2006
Method and apparatus for providing polarization insensitive signal processing for interferometric sensors
OPTOPLAN AS22 citations92
US6856401B1Feb 15, 2005
Elimination of polarization fading in unbalanced optical measuring interferometers
OPTOPLAN AS21 citations92
US6788418B1Sep 7, 2004
Method and apparatus for interrogation of birefringent FBG sensors
OPTOPLAN AS28 citations92
US6680472B1Jan 20, 2004
Device for measuring of optical wavelengths
OPTOPLAN AS60 citations92
US7268884B2Sep 11, 2007
Wavelength reference system for optical measurements
OPTOPLAN AS24 citations91
US7243543B2Jul 17, 2007
Highly sensitive accelerometer
OPTOPLAN AS16 citations91
US7157693B2Jan 2, 2007
Optical wavelength interrogator
OPTOPLAN AS21 citations91
US7060967B2Jun 13, 2006
Optical wavelength interrogator
OPTOPLAN AS25 citations91
US6888125B2May 3, 2005
Fiber optic sensing systems and method of use thereof
OPTOPLAN AS22 citations91
US6915686B2Jul 12, 2005
Downhole sub for instrumentation
OPTOPLAN AS52 citations90
US7660206B2Feb 9, 2010
Ocean bottom seismic station
OPTOPLAN AS22 citations87
US10247581B2Apr 2, 2019
Interferometric optical fibre sensor system and method of interrogation
OPTOPLAN AS13 citations84
US7510349B2Mar 31, 2009
Ocean bottom seismic station installation
OPTOPLAN AS15 citations84
US7480056B2Jan 20, 2009
Multi-pulse heterodyne sub-carrier interrogation of interferometric sensors
OPTOPLAN AS10 citations84
US6343173B2Jan 29, 2002
Gold coated signal cable
OPTOPLAN AS28 citations84
US7336365B2Feb 26, 2008
Method and apparatus for suppression of crosstalk and noise in time-division multiplexed interferometric sensor systems
OPTOPLAN AS12 citations83
US7171093B2Jan 30, 2007
Method for preparing an optical fibre, optical fibre and use of such
OPTOPLAN AS11 citations82
US7433045B2Oct 7, 2008
Active coherence reduction for interferometer interrogation
OPTOPLAN AS16 citations78
US6321603B1Nov 27, 2001
Pressure sensor
OPTOPLAN AS10 citations74
US10001362B2Jun 19, 2018
Processing data from a distributed fibre-optic interferometric sensor system
OPTOPLAN AS4 citations73
US9703007B2Jul 11, 2017
Method of producing a seismic streamer cable
OPTOPLAN AS3 citations73
US7679994B2Mar 16, 2010
Bi-directional interrogation of optical sensors
OPTOPLAN AS4 citations73
US7558155B2Jul 7, 2009
Optical sensor interrogation with wavelength grouping in time slots
OPTOPLAN AS5 citations73
US7466422B2Dec 16, 2008
Method and apparatus for suppression of crosstalk and noise in time-division multiplexed interferometric sensor systems
OPTOPLAN AS7 citations73
US6693923B2Feb 17, 2004
Waveguide laser source
OPTOPLAN AS7 citations69
US7206075B2Apr 17, 2007
Method and apparatus for reducing crosstalk interference in an inline Fabry-Perot sensor array
OPTOPLAN AS2 citations63
US7113287B2Sep 26, 2006
Method and apparatus for reducing crosstalk interference in an inline Fabry-Perot sensor array
OPTOPLAN AS2 citations63
US7916303B2Mar 29, 2011
Non-uniform sampling to extend dynamic range of interferometric sensors
OPTOPLAN AS6 citations62
US7715015B2May 11, 2010
Adaptive mixing for high slew rates
OPTOPLAN AS2 citations62
US7539080B2May 26, 2009
Grating design for use in a seismic sensing system
OPTOPLAN AS1 citations62
US7359061B2Apr 15, 2008
Method and apparatus for providing polarization insensitive signal processing for interferometric sensors
OPTOPLAN AS4 citations62
US6816649B2Nov 9, 2004
FBG production system
OPTOPLAN AS5 citations62
US7969817B2Jun 28, 2011
Ocean bottom seismic station
OPTOPLAN AS2 citations60
US7679989B2Mar 16, 2010
Ocean bottom seismic station
OPTOPLAN AS1 citations60
US6655188B2Dec 2, 2003
Method and system for calibrating a conversion unit of a fiber optic sensor head
OPTOPLAN AS3 citations60
US7449636B2Nov 11, 2008
Cable bend stiffener
OPTOPLAN AS1 citations52
US6466726B1Oct 15, 2002
Device for fastening optical fibres
OPTOPLAN AS0 citations52
US9482767B2Nov 1, 2016
Ocean bottom seismic station
OPTOPLAN AS0 citations45
US10677945B2Jun 9, 2020
Hydrophone housing
OPTOPLAN AS0 citations41