Inventor
WAAGAARD OLE HENRIK
NO24 patents
⚠️ This page may combine multiple inventors who share the name “WAAGAARD OLE HENRIK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OPTOPLAN AS
19 patentsUS7366055B2Apr 29, 2008
Ocean bottom seismic sensing system
OPTOPLAN AS31 citations96
US7688673B2Mar 30, 2010
Connector nodes for interrogating optical fiber sensor arrays
OPTOPLAN AS12 citations92
US7551517B2Jun 23, 2009
Seabed seismic station packaging
OPTOPLAN AS25 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
US10247581B2Apr 2, 2019
Interferometric optical fibre sensor system and method of interrogation
OPTOPLAN AS13 citations84
US7480056B2Jan 20, 2009
Multi-pulse heterodyne sub-carrier interrogation of interferometric sensors
OPTOPLAN AS10 citations84
US7336365B2Feb 26, 2008
Method and apparatus for suppression of crosstalk and noise in time-division multiplexed interferometric sensor systems
OPTOPLAN AS12 citations83
US7433045B2Oct 7, 2008
Active coherence reduction for interferometer interrogation
OPTOPLAN AS16 citations78
US10001362B2Jun 19, 2018
Processing data from a distributed fibre-optic interferometric sensor system
OPTOPLAN AS4 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
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
ALCATEL SUBMARCOM
3 patentsUS11499849B2Nov 15, 2022
Method and apparatus for suppression of noise due to transmitted signal instability in a coherent fiber optical sensor system
ALCATEL SUBMARCOM2 citations73
US12510380B2Dec 30, 2025
Method and apparatus for suppression of noise due to local oscillator instability in a coherent fiber optical sensor
ALCATEL SUBMARCOM0 citations62
US11828631B2Nov 28, 2023
Method and apparatus for suppression of noise due to local oscillator instability in a coherent fiber optical sensor
ALCATEL SUBMARCOM1 citations62