Matches 1 - 41 out of 41


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US20150135832 INTEGRATED FIBER BRAGG GRATING ACCELEROMETER IN A SURGICAL INSTRUMENT  
An accelerometer is included within the confined space and limited volume of a distal portion of a surgical instrument. The surgical instrument includes an end component, a joint coupled to the...
US20120069703 SEISMIC STREAMER  
There is provided a solid seismic streamer cable for use in seismic surveying in marine environments. The streamer is characterised by a buffer layer 2 which is provided with a cut-out 50 and a...
US20100313659 SEISMIC STREAMER  
There is provided a solid seismic streamer cable for use in seismic surveying in marine environments. The streamer is characterised by a buffer layer 2 which is provided with a cut-out 50 and a...
US20140283601 OPTOMECHANICAL SENSORS BASED ON COUPLING BETWEEN TWO OPTICAL CAVITIES  
Methods, structures, devices and systems are disclosed for implementing optomechanical sensors in various configurations by using two optically coupled optical resonators or cavities that can be...
US20140260614 GYROSCOPES BASED ON OPTOMECHANICAL SENSING  
Gyroscopes based on optomechanical designs to provide sensitive sensing while providing relatively large bandwidth and dynamic range with enhanced noise performance.
US20150020604 APPARATUS AND METHOD FOR MEASURING THE SLOSHING IN THE CARGO TANK OF A LIQUEFIED NATURAL GAS CARRIER  
An apparatus and method for measuring the sloshing in the cargo tank of a liquefied natural gas carrier is provided. The apparatus includes: a plate-shaped floating mat coupler which floats on the...
US20120325001 OPTICAL SENSOR SYSTEMS AND METHODS  
Optical sensors and sensing methods are provided. A particular method includes applying light to a first end of an optical fiber. Light reflected by at least one of a first photonic crystal sensor...
US20090308158 Optical Accelerometer  
An optical accelerometer including a light source, a light detector and a flexible medium positioned between the light source and the light detector. The flexible medium has an opening through...
US20110088470 METHOD USING ASYMMETRIC OPTICAL RESONANCES  
A method utilizes an optical resonator that includes a reflective element and a spatial mode filter positioned relative to the reflective element such that light emitted from the spatial mode...
US20150020590 OPTOMECHANICAL ACCELEROMETER  
Technologies are generally described for operating and manufacturing optomechanical accelerometers. In some examples, an optomechanical accelerometer device is described that uses a cavity...
US20100313658 FIBER OPTIC PARTICLE MOTION SENSOR SYSTEM  
A sensor apparatus combines an optical sensor in which acceleration, acoustic velocity, or displacement (vibration) causes a corresponding shift in the center wavelength of the sensor output,...
US20090044625 Method for controlling light  
Provided is a method for controlling light, including retrieving accelerations along an X-axis, a Y-axis, and a Z-axis with a 3-axis accelerometer sensor; matching the retrieved accelerations with...
US20130255380 OPTICAL ACCELEROMETERS  
Optical accelerometers may be provided that detect acceleration in up to six axes. An optical accelerometer may include an image sensor and optical elements such as light pipes that extend over...
US20080229825 Accelerometers  
A fibre optic accelerometer particularly intended for use with an interferometer using the compliant cylinder approach but further providing a seismic mass at the core of the cylinder resulting in...
US20140076050 OPTICAL ACCELEROMETER  
There is provided an optical accelerometer including a first substrate, a second substrate, a spacer and a processing unit. The first substrate includes a frame, a movable member and at least one...
US20120024062 Low Cost Optical Accelerometer  
An accelerometer assembly and its method of operation. The accelerometer assembly is designed to be very low cost and robust. This enables the accelerometer assembly to be used in traditionally...
US20150204899 ATOMIC REFERENCED OPTICAL ACCELEROMETER  
In some examples, a micro-electro-mechanical system (MEMS) optical accelerometer includes a housing comprising an internal chamber that includes a Fabry-Perot cavity and a proof mass affixed to...
US20110126623 OPTICAL DETECTION METHOD AND OPTICAL MEMS DETECTOR, AND METHOD FOR MAKING MEMS DETECTOR  
The present invention discloses an optical MEMS detector, comprising: a substrate; at least one photo diode in a region within the substrate; an isolation wall above the substrate and surrounding...
US20100024551 FIBER OPTIC LASER ACCELEROMETER  
An accelerometer is provided for a fiber optic laser. Strain applied to the fiber optic laser results in an emission wavelength shift. The fiber optic laser is joined to a transducer and extends...
US20110303008 CANTILEVER BEAM STRUCTURAL RESONANT-TYPE INTEGRATED OPTICAL WAVEGUIDE ACCELEROMETER  
A cantilever beam structural resonant-type integrated optical waveguide accelerometer, includes an input waveguide (1), a dissymmetrical structural Mach-Zehnder interferometer (2), a...
US20120116709 DISPLAY-INTEGRATED OPTICAL ACCELEROMETER  
An optical accelerometer and method of determining an acceleration are disclosed. In one aspect, an accelerometer includes a light source, a substrate, a light guide attached to a first side of...
US20150033848 OPTICAL SENSOR  
An optical sensor having one or more sensing interference elements is disclosed. A first detector function generates a coarse optical path difference signal for example using a discrete Fourier...
US20130104655 FIBER OPTICAL ACCELEROMETER  
A fibre optical accelerometer comprising a base structure, a first seismic mass movably coupled to the base structure through a first hinge element, a second seismic mass movably coupled to the...
US20110283795 System, Device And Method For Detecting Seismic Acceleration  
A device for detecting seismic acceleration including a proof mass; a base for providing a sensor acceleration, relative to the proof mass, based on the seismic acceleration; an optical fibre...
US20100046002 SINGLE WAFER FABRICATION PROCESS FOR WAVELENGTH DEPENDENT REFLECTANCE FOR LINEAR OPTICAL SERIALIZATION OF ACCELEROMETERS  
A plurality of Fabry-Perot interferometric sensors are optically coupled in series with each other to form an ordered optical series. Each Fabry-Perot interferometric sensor has a unique...
US20120198935 TWIN SUB-WAVELENGTH GRATING OPTICAL SIGNAL PROCESSOR  
The present disclosure relates generally to an optical signal processor. In one embodiment, the optical signal processor includes a first sub-wavelength grating having a first grating period and a...
US20110219874 FIBRE OPTIC ACCELEROMETER AND A METHOD OF MANUFACTURING A FIBRE OPTIC ACCELEROMETER  
A tri-axis accelerometer for use in seismic surveying is provided. The accelerometer comprises at least three fibre optic accelerometer elements which have respective fibre sensor coils, and which...
US20080034866 Device and method using asymmetric optical resonances  
An optical resonator includes a reflective element and an optical fiber. The optical fiber is positioned relative to the reflective element such that light emitted from the optical fiber is...
US20140026663 METHOD AND SYSTEM FOR MEASURING THE VARIATION IN SPEED OF A MOVING BODY  
A device and method measure an acceleration of a moving body. The device contains a solid body having a moving part and an internal cavity capable of allowing for a free movement of the moving...
US20170184625 APPARATUS, METHOD, AND SYSTEM FOR DETECTING ACCELERATION AND MOTOR MONITORING  
Described is a system which includes: a cable including: a first fiber optic interconnect to provide an input light; and a second fiber optic interconnect to provide an output light; and a first...
US20170059606 OPTICAL ACCELEROMETER  
The invention relates to an optical accelerometer, comprising a seismic mass, equipped with a mobile reflective surface, according to a rotating axis, an emitting optical fiber, coupled with a...
US20170016931 DISPLACEMENT SENSOR DEVICE AND SYSTEM  
The present invention relates to a displacement sensor device and the system including the device, wherein the device comprises a first at least partially transparent plane surface with a first...
US20160349284 AN OPTICAL SENSOR SYSTEM AND METHODS OF USE THEREOF  
The present invention relates to a system comprising a light source configured to produce an emitted light beam. An etalon is positioned to receive the light beam and is configured to generate a...
US20160202284 ALL-OPTICAL SYSTEM RESPONSIVE TO MOTION AND OPTICAL MODULE FOR USE IN THE SAME  
optical module for use in a motion responsive system includes a support and a proof mass mechanically coupled and displaceable relative to the support along at least one sensing axis in response...
US20160195397 OPTO-MECHANICAL INERTIAL SENSOR  
Embodiments of the present disclosure are directed towards a micro-electromechanical system (MEMS) sensing apparatus, including a laser arrangement configured to generate a light beam, a first...
US20160124013 ACCELEROMETER  
An accelerometer device (100) comprises a former (118) and an optical fiber (120) wound around the former. The winding of optical fiber (120) has a sensing portion (126) that is free to move in...
US20160097790 Apparatuses, Systems, and Methods for Accelerometers  
According to one example, a system includes a flexural beam having a first face and a second face opposite the first face and a first coil of optical fiber coupled to the first face, where the...
US20150369837 DAMPED FIBER OPTIC ACCELEROMETERS, SENSORS, AND SENSOR ASSEMBLIES, AND METHODS OF ASSEMBLING THE SAME  
A fiber optic sensor is provided. The fiber optic sensor includes: a fixed portion configured to be secured to a body of interest; a moveable portion; a spring member positioned at least partially...
US20150300804 FIBER OPTIC TRANSDUCERS, FIBER OPTIC ACCELEROMETERS AND FIBER OPTIC SENSING SYSTEMS  
A fiber optic transducer is provided. The fiber optic transducer includes a fixed portion configured to be secured to a body of interest, a moveable portion having a range of motion with respect...
US20150160257 OPTICAL ACCELEROMETER SYSTEMS AND METHOD  
An example optical accelerometer system is provided. An optical beam is provided having a predefined center frequency and is frequency-modulated about the predefined center frequency. An optical...
US20110001985 MEASUREMENT APPARATUS AND OPTICAL APPARATUS WITH THE SAME  
The measurement apparatus is capable of performing measurement of a relative displacement amount or a relative displacement speed between the apparatus and a measuring object (20). The apparatus...

Matches 1 - 41 out of 41