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Class Information
Number: 356/478
Name: Optics: measuring and testing > By light interference (e.g., interferometer) > Using fiber or waveguide interferometer > Multiplexed sensor array
Description: Fiber or waveguide interferometer wherein a plurality of sensors are connected in an array.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623245 |
Differential pressure measuring system and differential pressure measuring method |
Nov. 24, 2009 |
| 7616321 |
Optical coupler for rotating catheter |
Nov. 10, 2009 |
| 7589312 |
Physical quantity measuring system with fiber Bragg grating sensor and arrayed waveguide grating |
Sep. 15, 2009 |
| 7576864 |
Interferometric measuring device for recording geometric data for surfaces |
Aug. 18, 2009 |
| 7548319 |
Interferometric method and apparatus for measuring physical parameters |
Jun. 16, 2009 |
| 7538860 |
System and method for determination of the reflection wavelength of multiple low-reflectivity bragg gratings in a sensing optical fiber |
May. 26, 2009 |
| 7505642 |
FBG sensor interrogation method using semiconductor optical amplifier in ring cavity configuration |
Mar. 17, 2009 |
| 7502120 |
Fiber optic interferometric sensor array |
Mar. 10, 2009 |
| 7499738 |
Subcutaneous analyte sensor |
Mar. 3, 2009 |
| 7480056 |
Multi-pulse heterodyne sub-carrier interrogation of interferometric sensors |
Jan. 20, 2009 |
| 7466422 |
Method and apparatus for suppression of crosstalk and noise in time-division multiplexed interferometric sensor systems |
Dec. 16, 2008 |
| 7456974 |
Optical measuring system for detecting geometric data of surfaces |
Nov. 25, 2008 |
| 7433045 |
Active coherence reduction for interferometer interrogation |
Oct. 7, 2008 |
| 7417740 |
Single trace multi-channel low coherence interferometric sensor |
Aug. 26, 2008 |
| 7359061 |
Method and apparatus for providing polarization insensitive signal processing for interferometric sensors |
Apr. 15, 2008 |
| 7355715 |
Temperature measuring apparatus, temperature measurement method, temperature measurement system, control system and control method |
Apr. 8, 2008 |
| 7339678 |
Method and system of using odd harmonics for phase generated carrier homodyne |
Mar. 4, 2008 |
| 7336365 |
Method and apparatus for suppression of crosstalk and noise in time-division multiplexed interferometric sensor systems |
Feb. 26, 2008 |
| 7327462 |
Method and apparatus for direct detection of signals from a differential delay heterodyne interferometric system |
Feb. 5, 2008 |
| 7324207 |
Optical pulse correlator having an interferometer array |
Jan. 29, 2008 |
| 7319525 |
Fiber-optic assay apparatus based on phase-shift interferometry |
Jan. 15, 2008 |
| 7305153 |
Multi wavelength sensor array |
Dec. 4, 2007 |
| 7295321 |
VISAR interferometer with field elements |
Nov. 13, 2007 |
| 7283692 |
Simultaneous interrogation of multi wavelength-modulated fiber optical sensors by modulating an arrayed waveguide grating based demultiplexer |
Oct. 16, 2007 |
| 7277179 |
Magneto-optical sensors |
Oct. 2, 2007 |
| 7262834 |
Sensor for measuring velocity of vibration using light waveguide |
Aug. 28, 2007 |
| 7230963 |
Monolithic wavelength stabilized asymmetric laser |
Jun. 12, 2007 |
| 7206075 |
Method and apparatus for reducing crosstalk interference in an inline Fabry-Perot sensor array |
Apr. 17, 2007 |
| 7157693 |
Optical wavelength interrogator |
Jan. 2, 2007 |
| 7113287 |
Method and apparatus for reducing crosstalk interference in an inline Fabry-Perot sensor array |
Sep. 26, 2006 |
| 7081959 |
Method and apparatus for providing polarization insensitive signal processing for interferometric sensors |
Jul. 25, 2006 |
| 7060967 |
Optical wavelength interrogator |
Jun. 13, 2006 |
| 7038784 |
Calculation of sensor array induced phase angle independent from demodulation phase offset of phase generated carrier |
May. 2, 2006 |
| 7038785 |
Filtered calculation of sensor array induced phase angle independent from demodulation phase offset of phase generated carrier |
May. 2, 2006 |
| 7030971 |
Natural fiber span reflectometer providing a virtual signal sensing array capability |
Apr. 18, 2006 |
| 7019837 |
Method and apparatus for reducing crosstalk interference in an inline Fabry-Perot sensor array |
Mar. 28, 2006 |
| 7012245 |
Calculation of sensor array induced phase angle |
Mar. 14, 2006 |
| 7009707 |
Apparatus and method of sensing fluid flow using sensing means coupled to an axial coil spring |
Mar. 7, 2006 |
| 6952603 |
Subcutaneous analyte sensor |
Oct. 4, 2005 |
| 6934034 |
Sensor array induced phase angle calculation based on mixed signals |
Aug. 23, 2005 |
| 6891621 |
Highly sensitive cross axis accelerometer |
May. 10, 2005 |
| 6879742 |
Using intensity and wavelength division multiplexing for fiber Bragg grating sensor system |
Apr. 12, 2005 |
| 6872786 |
Molecularly imprinted polymeric sensor for the detection of explosives |
Mar. 29, 2005 |
| 6856401 |
Elimination of polarization fading in unbalanced optical measuring interferometers |
Feb. 15, 2005 |
| 6850857 |
Data fusion of stationary array sensor and scanning sensor measurements |
Feb. 1, 2005 |
| 6839182 |
Optical assembly having an optical device aligned to an optical collimator, and its fabrication |
Jan. 4, 2005 |
| 6823110 |
Method to stabilize and adjust the optical path length of waveguide devices |
Nov. 23, 2004 |
| 6785004 |
Method and apparatus for interrogating fiber optic sensors |
Aug. 31, 2004 |
| 6782158 |
Apparatus and method for wavelength division multiplexing |
Aug. 24, 2004 |
| 6684006 |
Apparatus and method for wavelength division multiplexing |
Jan. 27, 2004 |
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