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8184980 |
Method and system for fiber-optic monitoring of spatially distributed components
A system for monitoring ancillary elements of an electric power distribution network, includes an optical fiber path associated with the ancillary elements to be monitored, respective optical...
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8174693 |
Calibration optic for a solar/earth spectrometer
A system for calibrating a spectrometer includes wide field-of-view (WFOV) optics providing a first light path to a WFOV spectrometer, and narrow field-of-view (NFOV) optics providing a second...
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8174705 |
Tilting mirror controlled using null-based interferometric sensing
A mirror drive mechanism for a tilting mirror is controlled using feedback from one or more interferometric angular sensors. The wavelength of an optical beam is varied as it is fed into an...
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8174685 |
Measurement of nonlinear effects of an optical path
A network device may include a receiver to receive optical pulses from an optical path, wherein the optical pulses include a plurality of intensities and represent data. The network device may also...
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8175869 |
Method, apparatus, and medium for classifying speech signal and method, apparatus, and medium for encoding speech signal using the same
A method, apparatus, and medium for classifying a speech signal and a method, apparatus, and medium for encoding the speech signal using the same are provided. The method for classifying a speech...
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8175690 |
Optical device for assessing optical depth in a sample
An optical device for assessing optical depth in a sample illuminated by polarized radiation from a source include two radiation guides having their end portions arranged for capturing reflected...
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8169612 |
System and method for performing ellipsometric measurements on an arbitrarily large or continuously moving sample
A method for calibrating an apparatus for ellipsometric measurements performed on an arbitrarily large or continuously moving sample, using a visible sample reference frame, and one or more laser...
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8164744 |
Inspection tip for a fiber optic inspection probe
An inspection probe is disclosed for use with a fiber optic adapter. The inspection probe can inspect a terminated end of an optical fiber within the fiber optic adapter. The fiber optic adapter...
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8165477 |
Light receiving apparatus using DQPSK demodulation method, and DQPSK demodulation method
The present invention provides a light receiving apparatus using the DQPSK demodulation method. The light receiving apparatus comprises: one Mach-Zehnder interferometer for branching a received...
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8164743 |
Miniaturized system and method for measuring optical characteristics
A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer...
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8159663 |
Laser microscope apparatus having a frequency dispersion adjuster
To enable both observations of coherent anti-Stokes Raman scattering light and multiphoton fluorescence in a same apparatus so as to observe a specimen by various observation methods. There is...
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8159658 |
System and method for the automated analysis of samples
The present invention pertains to a system for the automated analysis of samples, comprising: a first optical device including at least one receptacle for receiving at least one of said samples and...
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8153418 |
Apparatus and method for analyzing bacteria
An apparatus for analyzing bacteria is described that includes an analytic sample preparation section for preparing an analytic sample by treating a specimen so as to generate a morphological...
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8155487 |
Sensor element
In an embodiment, a sensor element is provided. The sensor element may include a light input configured to receive input light, a sample chamber configured to accommodate a sample, and at least one...
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8154715 |
Method for monitoring and measuring optical properties of device in polarization maintaining fibers by using reference fiber bragg grating and fiber components manufactured thereby
A method for measuring and monitoring the state of polarization (SOP) of a polarization maintaining (PM) fiber using a narrowband fiber Bragg grating (FBG) written on the same is provided. The PM...
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8149408 |
Device for measuring elevations and/or depressions in a surface
In a device for measuring elevations and/or depressions of a flexible surface which is at least partially transmissive to light, for measurement purposes, the surface is illuminated by a...
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8144314 |
Spectral measurement apparatus and measurement method utilizing Brillouin scattering
The present invention relates to a spectral measurement apparatus and measurement method utilizing Brillouin scattering, which judge the state of the temperature or strain of an optical fiber more...
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8144315 |
Method and apparatus for characterizing a multilayered structure
An apparatus and method for characterizing the complex coupling coefficient of a multilayered periodic structure either during or after inscription is described. This apparatus is capable of...
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8139209 |
System and method for measuring a laser-induced damage threshold in an optical fiber
A system for measuring a laser-induced damage threshold in an optical fiber may include a lens to direct a first laser beam through a core of the optical fiber. The system may also include an...
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8139208 |
Ultrasonic detection system and method for the detection of transparent window security features in bank notes
A system and method for automatically detecting the presence of a perforation, tear, or a transparent window security feature in a bank note. The system includes an optical detection device, and an...
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8139210 |
Real-time monitoring apparatus for biochemical reaction
The present invention relates to an apparatus for real-time monitoring chemical reaction between various biomaterials. More particularly, the present invention directed to a real-time monitoring...
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8134696 |
Measuring Brillouin backscatter from an optical fibre using a tracking signal
A method for measuring Brillouin backscattering from an optical fiber, includes frequency mixing a first signal with a frequency representative of the Brillouin frequency shift in backscattered...
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8130370 |
Selection of a signal input from an optical fiber member
Methods and systems for analyzing optical parameters of a selected optical fiber member are disclosed. A signal input from an optical fiber member may be selected by instructing a corresponding...
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8130381 |
Optical fiber probe
An optical fiber probe for an optical measuring device having a mechanical receptacle into which an optical fiber is inserted, having a fiber end piece which projects over the mechanical receptacle...
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8131121 |
Optical fiber pipeline monitoring system and method
In accordance with one aspect of the present invention, a fiber surveillance system for monitoring a pipeline is provided. The surveillance system includes an optical fiber acoustically coupled to...
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8125634 |
Optical additive solc filter for deep ultraviolet applications
An additive {hacek over (S)}olc filter (ASF) includes i) a first polarizer for receiving an input light, such as from a monochromatic light source, and transmitting a first polarized output, ii) at...
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8125627 |
Laser spectroscopy system
A spectroscopy system including first and second lasers. The first laser is triggered to induce a plasma, such as on a surface of a target at a stand-off distance from the target. The second laser...
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8120762 |
Light guide and optical sensing module input device and method for making same
A light guide has a first surface and a second surface with diffractive structures. A slanted facet is provided at one corner of the light guide. The diffractive structures have concentric fringes...
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8120761 |
Method and apparatus for position judgment
The disclosed subject matter relates to a method and apparatus for position judgment, which can include a plurality of light sources and a photo-detector. The plurality of light sources can be...
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8115924 |
Optical characteristic measuring apparatus
An optical characteristic measuring apparatus of the invention includes a sequentially-readable charge storage sensor array having a plurality of light receiving elements. Irradiation of first...
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8115913 |
Light pulse generator and optical time domain reflectometer using the same
There is provided a light pulse generator. The light pulse generator includes: a laser diode; a voltage source that provides a bias voltage to the laser diode; a switching element that causes the...
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8111957 |
+cylindrical polarization beams
Generation of a cylindrically polarized light beam, and in particular, a hybrid-azimuthal-radial polarization beams, called HARP modes, generated from an input linearly polarized Gaussian beam...
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8111385 |
Quantum dot-mediated optical fiber information retrieval systems and methods of use
The present disclosure relates to a non-invasive and real-time diagnostic analysis concept for an operational single mode optical fiber communication system and methods of using said system. The...
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8111386 |
Measuring modal content of multi-moded fibers
The output modal content of optical fibers that contain more than one spatial mode may be analyzed and quantified by measuring interference between co-propagating modes in the optical fiber. By...
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8107158 |
Fluorescent imaging device and fluorescent image acquiring method
A fluorescent imaging device includes an irradiation section that irradiates an object to be examined with excitation light and reference light, an image pickup section that picks up a fluorescence...
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8102519 |
System and method for measuring dispersion
A method for measuring dispersion in an optical fiber is provided and includes the following steps. A periodic wavelength variation pulse light signal is generated by a periodic frequency-swept...
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8102518 |
Zero angle photon spectrophotometer for monitoring of water systems
A method and apparatus for monitoring water and other fluid systems is described. The fluid is continually monitored spectrophotometrically by measuring many optical parameters in an in-line,...
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8098371 |
Apparatus for measuring residual stress of optical fiber
The present invention relates to an apparatus for measuring a residual stress of an optical fiber. More particularly, the present invention relates to an apparatus for measuring residual stress of...
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8094294 |
Multipoint method for identifying hazardous agents
The invention relates to apparatus and methods for assessing occurrence of a hazardous agent in a sample by performing multipoint spectral analysis of the sample. Methods of employing Raman...
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8089619 |
Process for manufacturing a microstructured optical fibre and method and system for on-line control of a microstructured optical fibre
A manufacturing process of a microstructured optical fiber including a void-containing region, includes the steps of: drawing a microstructured optical fiber along a longitudinal direction from a...
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8090174 |
Virtual penetrating mirror device for visualizing virtual objects in angiographic applications
A virtual mirror device for visualizing virtual objects in angiographic applications, having an interactive virtual mirror, a 3D or 4D medical image of a patient's anatomy co-registered with a...
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8081305 |
Preparing samples for optical measurement
We disclose an apparatus comprising: a hand-portable optical analysis unit including an optical interface; and a device configured to receive and releasably engage the hand-portable optical...
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8081306 |
Method and system for localizing an attenuation change location in an optical waveguide
The invention provides a method and a system for localizing an attenuation change location in an optical waveguide, wherein the attenuation change location can be determined depending on a time...
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8077299 |
Method for measuring polarization characteristics of optical fiber, drawing method, method for identifying abnormal point, and method for configuring optical fiber transmission line
The present invention relates to a measuring method, etc., comprising a structure for accurately measuring optical characteristics such as PMD of an optical fiber. The measuring method is a...
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8077314 |
Measuring a characteristic of a multimode optical fiber
To measure a characteristic of a multimode optical fiber, a light pulse source produces a light pulse for transmission into the multimode optical fiber. A spatial filter passes a portion of...
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8077298 |
Apparatus for monitoring optical obstructions in an optical split network and method thereof
An apparatus and method for monitoring optical fiber obstructions in an optical split network is described. The monitoring apparatus comprises a broadband-monitoring light source module, an optical...
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8072586 |
Arrangement and method for focusing a multiplane image acquisition on a prober
A focused multi-planar image acquisition in real time even while a test object is moving, is achieved with a system and a method for a focused multi-planar image acquisition in a prober. When a...
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8073294 |
Remote optical fiber surveillance system and method
In accordance with one aspect of the disclosed technology, wireless communications are used in a fiber surveillance system to enable monitoring of remote locations for vibrations, acoustic signals,...
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8072585 |
System with extended range of molecular sensing through integrated multi-modal data acquisition
A multi-modal data acquisition system for detecting target material on a biological reaction surface, the system comprising a radiation source for generating an incoming beam that impinges on the...
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8058869 |
Fiber laser magnetic field sensor
The device includes two supports and a primary conductive strip. The primary conductive strip includes a neutral surface, a first side, and a second side. The primary conductive strip is connected...
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