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9028770 Cell made of polymers for spectra measurement and method for producing the same  
This invention provides a cell made of polymers for spectra measurement while inhibiting a decrease in a molecular weight of resin caused by discharge treatment and having a stable hydrophilic...
9019599 Localized surface plasmon resonance based super resolved total internal reflection fluorescence imaging apparatus, and detection module therefor  
A total internal reflection fluorescence imaging apparatus according to an embodiment of the invention includes: a metal nanostructure layer, which includes a metal thin film and a nanostructure...
9014517 Fiber unit  
A fiber unit has an illumination fiber and detection fibers. The illumination fiber and the detection fiber comprise a soft portion that is bendable, a distal end hard portion provided at an end...
9007227 Multimode fiber interrogator  
An optical interrogator system including a broad spectrum light source capable of emitting light having a spectral width spanning at least approximately 20 nm, and at least one optical sensor...
9002615 Methods and systems for managing power of an engine  
A method and system for online power management of a turbine engine is provided. The method includes operating an engine control system on a first bandwidth, filtering at least one data input from...
9002151 System and method for nonlinear optical devices  
Systems for enhancing the sensitivity of detecting an optical signal using nonlinear optics and method of performing the same. In one embodiment, a single-photon detection system includes an...
9002150 Optical sensing system and method  
An optical sensing system includes a transmitter assembly for generating a generated signal having a frequency in an optical wavelength. An optical sensing fiber is coupled to the transmitter...
9002152 Mitigation of radiation induced attenuation  
A DTS system resistant to radiation induced attenuation losses during the service life of an installation at both low and high temperatures using matched multi-wavelength distributed temperature...
9002149 Distributed fibre optic sensing for event detection  
A fiber optic sensing method and apparatus for determining location and direction information of disturbances occurring in the environment of a sensor optical fiber are provided. The method...
8993953 Apparatus and system for measuring flicker of display panel  
An apparatus and a system for measuring flicker of a display panel are disclosed. The apparatus comprises a light guide tube, a measuring probe for flicker measurement, and an optical device for...
8997258 Microscope probe and method for use of same  
A microscope probe includes a substrate; an optical resonator disposed on the substrate and including an optical resonance property; a displacement member disposed on the substrate and separated...
8992836 Cavity-enhanced on-chip absorption spectroscopy  
Embodiments of optofluidic devices or methods according to the application can provide on-chip, label-free, massively parallel analysis of analytes. An embodiment of the optofluidic device can...
8995798 Reflective element for fiber optic sensor  
A reflective element for directing an optical signal into a fiber optic sensor having an optical fiber includes a plane containing a sharply defined straight line that separates between a first...
8989526 Raman amplification in distributed optical fiber sensing systems  
A method of providing Raman amplification in an optical fiber sensing system, comprises generating a probe pulse of light and launching the pulse into a sensing optical fiber, generating pump...
8989527 Method and system for determining the location of a fiber optic channel along the length of a fiber optic cable  
The location of one or more fiber optic channels (16) along the length of a fiber optic cable (12) is determined by: a) arranging an electrical conductor and a magnetic source at a known location...
8989538 Sensor element and method for the production thereof and use thereof  
A sensor element for detecting mechanical state variables contains at least one optical waveguide having at least one fiber Bragg grating, and at least one planar optical filter element to which...
8988968 Seismic cable structure  
There is described an optical seismic cable (2) comprising a number of sensor units (5) spaced along the length of the cable and a number of connection units (4) spaced along the length of the...
8983243 Wind turbine blade with optical sensor system  
Wind turbine blade comprising a sensor system with an optical path comprising a first optical sensor fiber, a second optical sensor fiber and a patch optical fiber, the first optical sensor fiber...
8971673 Sensor tape for security detection and method of fabrication  
A sensor in the form of an elongated flexible tape has a plurality of signal paths made from electrical wire or optical fiber which extend between one end and another end of the tape. The...
8971672 Integrated optical waveguide evanescent field sensor and longitudinal section of a substrate for use in such a sensor  
The invention relates to an integrated optical waveguide evanescent field sensor (1) for sensing of chemical and/or physical quantities, comprising a substrate (2) carrying a waveguide layer...
8960279 Erosional protection of fiber optic cable  
A method and apparatus for preventing erosion of a cable for use in a wellbore is described herein. The cable has one or more optical fibers adapted to monitor and/or control a condition in the...
8965147 Bend insensitive optical fiber with improved hydrogen resistance  
An optical fiber includes: a core including a photosensitive material disposed therein, the core having a first index of refraction; a depressed cladding surrounding the core and having a second...
8953912 Small diameter radiation sensor cable  
A simple method of making robust radiation sensor cables using a special fiber cap that holds a scintillating fiber therein directly abutting an end of a fiber optic cable, thus providing a clean...
8953911 Spectroscopic imaging probes, devices, and methods  
In part, the invention relates to a single clad fiber to multi-clad optical fiber connector for use in applying excitation light to a sample and obtaining reflected light from the sample. The...
8947232 Fault-tolerant distributed fiber optic intrusion detection  
An intrusion detection system for monitoring a premises includes at least one optical cable that houses at least one optical fiber and extends about the premises. Optical time domain reflectometry...
8948562 Replication of patterned thin-film structures for use in plasmonics and metamaterials  
The present invention provides templating methods for replicating patterned metal films from a template substrate such as for use in plasmonic devices and metamaterials. Advantageously, the...
8948550 Sensing systems and few-mode optical fiber for use in such systems  
A sensing optical fiber comprising: a few-moded multi-segment core, said core comprising one core segment surrounded by another core segment, and at least one cladding surrounding said core; said...
8946842 Method for manufacturing optical waveguide receiver and optical waveguide receiver  
A method for manufacturing an optical waveguide receiver includes the steps of growing first and second stacked semiconductor layer sections, the second stacked semiconductor layer section...
8940238 Optical sensor of bio-molecules using thin-film interferometer  
The present invention is directed to an assembly for use in detecting an analyte in a sample based on thin-film spectral interference. The assembly comprises a waveguide, a monolithic substrate...
8941828 Multiple wavelength cavity ring-down spectroscopy  
Described are methods for multi-wavelength cavity ring-down spectroscopy; comprising simultaneously and continuously irradiating an optical cavity with light at two or more different wavelengths,...
8937713 Long distance optical fiber sensing system and method  
A long-distance fiber optic monitoring system having a sensing unit and an analyzer that is remotely located from the sensing unit is provided. The sensing unit comprises a source of optical...
8934739 Sensor head and optical sensor  
A sensor head for an optical pressure sensor according to the present invention includes: a light-emitting optical fiber for transmitting light emitted from a light source; a reflecting plate...
8934740 Fiber optic sensor using transmissive grating panel and mirror  
Disclosed herein is a fiber optic sensor using a transmissive grating panel and a mirror, in which displacement resulting from a temperature change in the external environment or a behavioral...
8928883 Optical device for detection of an agent  
In certain embodiments, a system for detecting an agent includes a resonator device configured to receive an agent. The resonator device is also configured to transmit light received from a light...
8929690 Multiple discharge device panel fiber optic fuse state indicator  
A fuse state indicator for a cascading fuse multiple discharge device including a fiber optic cable having a first end, a second end, and an intermediate segment. The intermediate segment is...
8926173 Distributed optical fiber sensor system  
A distributed optical fiber sensor system is provided. In this system, backward-scattered light generated in a test optical fiber is filtered to separate the backward-scattered light into Raman...
8923663 Distributed fibre optic sensing  
The invention relates to a distributed fiber optic sensor (104, 106) having a first spatial resolution (301, 303) and a second, different, spatial resolution (302, 304). The sensor, which may be a...
8923662 Optical environmental sensor and method for the manufacturing of the sensor  
A sensor which reacts on influences from an environment. The sensor includes a zero-order diffractive color filter. The zero-order diffractive color filter includes a high-index waveguide layer, a...
8923664 Method and system for multi-mode integrated receivers  
A method and system for multi-mode integrated receivers are disclosed and may include receiving an optical signal from an optical fiber coupled to a chip comprising a photonic circuit. The...
8920729 Porous membrane waveguide sensors and sensing systems therefrom for detecting biological or chemical targets  
A sensor for sensing at least one biological target or chemical target is provided. The sensor includes a membrane includes a membrane material that supports generation and propagation of at least...
8917959 Analyzing element and analyzing apparatus using same  
An analyzing element (10) is provided with a sample chamber (11) into which a gas or liquid sample is introduced; detection light waveguides (12a, 12b) arranged adjacent to the sample chamber (11)...
8913859 Segmented planar imaging detector for electro-optic reconnaissance  
A device for interferometric imaging may comprise multiple optical elements arranged in a linear configuration. The device may also comprise multiple waveguide arrays (WGAs) each WGA of the...
8909003 Low-noise and high bandwidth electric field sensing with silicon-polymer integrated photonics and low drive voltage modulator fiber-based antenna link  
An optical low drive voltage modulator electric field sensor device includes an electric field antenna. A low drive voltage modulator has an electrical voltage input electrically coupled to the...
8909004 Side illuminated multi point multi parameter  
A side illuminated multi point multi parameter optical fiber sensor that requires no sensitive coating is provided. This sensor comprises an optical fiber having at least one removed cladding...
8901694 Optical input/output device and method of fabricating the same  
An optical input/output (I/O) device is provided. The device includes a substrate including an upper trench; a waveguide disposed within the upper trench of the substrate; a photodetector disposed...
8897610 Method of fabricating an optical-fiber-compatible sensor  
A method for fabricating a sensor is provided, with the sensor including a reflective element and an optical fiber positioned relative to the reflective element such that light emitted from the...
8897608 High sampling resolution DTS system and method  
A method of improving sampling resolution in a distributed temperature measurement system using a fiber optic distributed sensor by means of programmed delayed trigger signals to a laser light...
8894934 Sensing devices and techniques using 3-D arrays based on surface plasmon excitations  
Techniques, apparatus, material and systems are described for implementing a three-dimensional composite mushroom-like metallodielectric nanostructure. In one aspect, a surface plasmon based...
8897609 Frequency selective infrared sensors  
A frequency selective infrared (IR) photodetector having a predetermined frequency band. The exemplary frequency selective photodetector includes: a dielectric IR absorber having a first surface...
8890508 Adaptive filters for fiber optic sensors  
Systems and methods related to optical current and voltage sensors and, more particularly, to filters for use in such sensors. A fiber optic current sensor comprising: a light source; a...