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Browse by Category: Main > Optical & Optics
Class Information
Number: 356/35.5
Name: Optics: measuring and testing > Material strain analysis > By light interference detector (e.g., interferometer)
Description: Subject matter including means responsive to an interference pattern produced by the interaction of coherent light waves with the stressed article or material.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8659762 Optical measuring element having a single-piece structure Feb. 25, 2014
8610896 Apparatus and method for detecting pressure signals Dec. 17, 2013
8610899 Rotational and linear system and methods for scanning of objects Dec. 17, 2013
8596128 Directed acoustic shearography Dec. 3, 2013
8576386 Detecting particulate contaminants in a fluid Nov. 5, 2013
8558994 EFPI sensor Oct. 15, 2013
8548619 System and method for after-market support using as-built data Oct. 1, 2013
8537368 Method of detecting an acceleration Sep. 17, 2013
8463085 Systems and methods for monitoring a condition of a rotor blade for a wind turbine Jun. 11, 2013
8432552 High intensity Fabry-Perot sensor Apr. 30, 2013
8411068 Method for detecting users' pressing action and optical operating unit Apr. 2, 2013
8405823 Optical to optical infrared imaging detection system Mar. 26, 2013
8400620 Registration of an extended reference for parameter measurement in an optical sensing system Mar. 19, 2013
8214162 Estimation of non-equibiaxial stress using instrumented indentation technique Jul. 3, 2012
8205504 Micron-scale pressure sensors and use thereof Jun. 26, 2012
8195015 Method and device for dynamic measurement of the radial deformation of a rolling bearing ring Jun. 5, 2012
8182099 Noise immune optical encoder for high ambient light projection imaging systems May. 22, 2012
8058869 Fiber laser magnetic field sensor Nov. 15, 2011
8031988 Apparatus for pressure sensing Oct. 4, 2011
8028343 Scanning probe microscope with independent force control and displacement measurements Sep. 27, 2011
7973914 Physical quantity measuring apparatus utilizing optical frequency domain reflectometry and method for temperature and strain measurement using the apparatus Jul. 5, 2011
7966135 Characterizing curvatures and stresses in thin-film structures on substrates having spatially non-uniform variations Jun. 21, 2011
7961331 Sensing a disturbance along an optical path Jun. 14, 2011
7929120 Apparatus for controlling optical fringe generation member based on detected optical fringe and method therefor Apr. 19, 2011
7894077 Multi-directional projection type moire interferometer and inspection method of using the same Feb. 22, 2011
7889332 Physical quantity measuring apparatus utilizing optical frequency domain reflectometry, and method for simultaneous measurement of temperature and strain using the apparatus Feb. 15, 2011
7884924 Residual stress measuring method and system Feb. 8, 2011
7860297 Method and apparatus for detecting the deformation of objects Dec. 28, 2010
7782465 High intensity fabry-perot sensor Aug. 24, 2010
7781725 Optical fiber based sensor system suitable for monitoring remote aqueous infiltration Aug. 24, 2010
7755746 Device for testing a test object, in particular a tire, by means of a non-destructive measuring method Jul. 13, 2010
7728958 Condition assessment method for a structure including a semiconductor material Jun. 1, 2010
7701586 Micro-optical wall shear stress sensor Apr. 20, 2010
7697121 Sensing system having wavelength reflectors that receive modulated light signals Apr. 13, 2010
7636151 System and method for providing residual stress test structures Dec. 22, 2009
7599047 Method and system for simultaneous measurement of strain and temperature Oct. 6, 2009
7583390 Accelerometer comprising an optically resonant cavity Sep. 1, 2009
7583368 Method of enhancing measurement of stress in glass Sep. 1, 2009
7576347 Method and apparatus for optically inspecting an object using a light source Aug. 18, 2009
7576840 Brillouin spectral measuring method and Brillouin spectral measuring apparatus Aug. 18, 2009
7564540 Fibre optic sensor method and apparatus Jul. 21, 2009
7564559 MEMS-based, phase-shifting interferometer Jul. 21, 2009
7554674 Optical displacement sensor Jun. 30, 2009
7548319 Interferometric method and apparatus for measuring physical parameters Jun. 16, 2009
7542146 High intensity fabry-perot sensor Jun. 2, 2009
7538859 Methods and systems for monitoring and obtaining information of at least one portion of a sample using conformal laser therapy procedures, and providing electromagnetic radiation thereto May. 26, 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
7538883 Distributed strain and temperature discrimination in polarization maintaining fiber May. 26, 2009
7538891 Surface characterization based on lateral shearing of diffracted wave fronts to measure in-plane and out-of-plane displacement gradient fields May. 26, 2009
7499151 Distributed Brillouin sensor system based on DFB lasers using offset locking Mar. 3, 2009

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