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WO/2014/072845A1 |
An optical frequency domain reflectometry (OFDR) system is provided with an optical radiation source (LS) connected to a plurality of measurement paths (MP1, MP2, MP3) and a reference path (RFP) via a first coupling point (CP1). The meas...
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WO/2014/067184A1 |
An apparatus based on a four-quadrant detector and for measuring the flow field in a cavity of a pulsed gas laser comprises a detection light source (1), a detection light receiving system, and a signal processing system. The light beam ...
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WO/2014/069224A1 |
In this two-dimensional image processing device, in order to facilitate positioning an image capture mechanism to directly face a measured object, and to improve the accuracy and reproducibility of measurement, the image capture mechanis...
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WO/2014/067548A1 |
A Brillouin optoelectronic measurement method comprising the steps of, providing a pump signal in a first end of an optical fiber, and providing a probe signal in the opposite end of said optical fiber, so that both the pump and probe si...
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WO/2014/064189A1 |
The invention generally relates to manufacturing or providing of glass or glass ceramic products. The invention is based on the object to allow for providing glass or glass ceramic products having very accurately characterized thermo-mec...
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WO/2014/065121A1 |
In a two-dimensional image processing device, image data for expressing a two-dimensional image is acquired and two or more areas to be processed are set in the two-dimensional image in order to facilitate the separate evaluation of each...
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WO/2014/066384A1 |
Probe beams are scanned with respect to waveguide substrates to generate optical harmonics. Detection of the optical harmonic radiation is used to image waveguide cores, claddings, or other structures such as electrodes. The detected opt...
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WO/2014/066579A1 |
Systems and methods for measuring a profile of a glass sample (300) are disclosed. The method includes scanning a polarization-switched light beam (112PS) through the glass sample and a reference block (320) for different depths into the...
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WO/2014/062299A1 |
A device for measuring depth of field of an eye optical system that includes a lens Badal having positive optical power, a positioning apparatus adapted to maintain the eye optical system on the image side of the lens at a first focal pl...
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WO/2014/060158A1 |
There is presented an optical frequency domain reflectometry (OFDR) system (100) comprising a first coupling point (15) arranged for splitting radiation into two parts, so that radiation may be emitted into a reference path (16) and a me...
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WO/2014/063034A1 |
To allow for the characterization of a passive optical network, reflectometry data is closely analyzed to determine reflection events within the data, and to subsequently characterize the reflection events so the status, operating parame...
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WO/2014/049666A1 |
Provided is a measuring device comprising: an optical pulse output unit that alternately outputs a first optical pulse having a first wavelength and a second optical pulse having a second wavelength, and that projects the pulses into the...
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WO/2014/052557A1 |
A method of measuring the bandwidth of a multi-mode optical fiber using single-ended, on-line and off-line approaches and test configurations. The method includes: transmitting a light signal through the first end of a multi-mode fiber t...
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WO/2014/048873A1 |
The invention consists of a device (100) for demonstrating the visual impression for a wearer (170) of a pair of spectacles (400) with polarizing spectacle lenses (410a, 410b), comprising a memory (152) for providing a first image (114) ...
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WO/2014/052516A1 |
A photosensor testing apparatus can be used to test photosensors. A light module can produce simulating light that corresponds to scintillating light of a scintillator or a derivative of the scintillating light. A photosensor under test ...
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WO/2014/048574A2 |
A diffractive optical element (50) with a substrate (52) and a diffractive structure pattern (54) arranged thereon is provided. The diffractive structure pattern is configured to convert a plane or spherical input wave (42) radiated ther...
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WO/2014/049050A1 |
A method for automated in-line determination of the center thickness of an ophthalmic lens comprises the steps of providing an inspection cuvette (2) comprising an optically transparent bottom (21) having a concave inner surface (210) an...
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WO/2014/049053A1 |
A method for an automated inline determination of the refractive power of an ophthalmic lens (5) comprises the steps of providing an inspection cuvette comprising an optically transparent bottom (21 ) having a concave inner surface (210)...
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WO/2014/043984A1 |
A high speed high resolution heterodyne interferometric method and system are provided. Two spatially separated beams with slightly different frequencies are utilized and two measurement signals with opposite Doppler shift are generated....
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WO/2014/042590A1 |
The present disclosure describes techniques for testing optical devices in a manner that, in some implementations, simulates the environment in which the devices will be used when they are integrated into the end-product or system. For e...
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WO/2014/040619A1 |
A method (10) of detecting optical fibre stress in an optical communications network comprising a plurality of optical fibre spans and a plurality of nodes. The method comprises: a. at at least one node at which a respective lightpath ac...
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WO/2014/042179A1 |
Provided are: an optical molded article which makes it possible to appropriately position an optical function unit in relation to a measurement device, and is capable of ensuring moldability and removal of a position-determining member, ...
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WO/2014/041009A1 |
The invention relates to a method for creating a fiber-optic connection between a first optical waveguide (21) and a second optical waveguide (22) assigned to the first optical waveguide, wherein the first and second optical waveguides (...
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WO/2014/040472A1 |
Disclosed is a device for rapidly and comprehensively detecting a lens actuator, the device comprising a bracket (4) for fixing the lens actuator, a cone-shaped body (2) and a camera head (1), wherein the outer surface of the cone-shaped...
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WO/2014/034238A1 |
The present invention simply and reliably inspects characteristics of a plurality of optical devices in a wafer state. This optical integrated circuit is provided with: an optical coupler having light inputted thereto from the surface of...
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WO/2014/034655A1 |
Provided is an optical probe that includes an optical waveguide having a core layer and a cladding layer formed so as to cover the core layer, and a support member that supports an end portion of the optical waveguide. In the core layer,...
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WO/2014/034638A1 |
Provided are an optical fiber property measuring device and an optical fiber property measuring method wherein spatial resolution is enhanced more than the prior art. In the present invention, in synchronization with frequency modulation...
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WO/2014/028188A1 |
A fiber Bragg grating (FBG) based sensor is used as a strain sensing element to determine frame foot loading of a generator. Three FBGs may be used in tandem to form a basic Frame Foot Loading Module (FFL Module). Two modules are fixed o...
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WO/2014/020713A1 |
Provided is a light quantity measuring device for light-emitting diodes (LEDs), said device being capable of achieving high-precision measurements with a simple configuration. The light quantity measuring device (3) is provided with: a l...
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WO/2014/020978A1 |
Provided is a light quantity measuring device for light-emitting diodes (LEDs), said device being capable of achieving high-precision measurements with a simple configuration. The light quantity measuring device (3) is provided with: a l...
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WO/2014/020768A1 |
Provided is a photometric device with which rapid and highly precise measurements can be realized with a simple configuration. A photometric device (3) is provided with: a table (103) on which is placed a light-emitting diode (101) for e...
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WO/2014/015774A1 |
A method for detection control of a large-diameter dish-type parabolic curved reflective mirror, comprising the following steps: 1) determining a mathematical model of the parabolic curved reflective mirror (S11); 2) presetting a measure...
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WO/2014/017066A1 |
In order to suitably perform inspection of a liquid crystal display panel, first image data is obtained by picking up an image of a liquid crystal display panel to be inspected that is arranged between the camera and a backlight. Defects...
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WO/2014/010519A1 |
This method for calculating chromaticity measurement conditions has a measurement distance determination procedure for determining a measurement distance, which is the distance between a color display device and a chromaticity measuremen...
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WO/2014/002681A1 |
Provided are an adhesion method and adhesion equipment, and a method of manufacturing a structure, whereby an optical fibre can be adhesively fixed to the structure rapidly and reliably by a straightforward step. In an optical fibre (1) ...
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WO/2013/191795A1 |
A system and method for wavefront measurement of an EO sensor is performed in-situ using the sensor's EO detector in a manner that disambiguates the local wavefront measurements for different sub-pupils in time and maximizes the dynamic ...
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WO/2013/191268A1 |
In an optical connector (10), a front end part of a short optical fiber (12) is inserted and fixed in a ferrule (11), and an end face of an end part of a connecting optical fiber (13) is connected by a mechanical splicer (16) so as to ab...
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WO/2013/187430A1 |
A linking unit (17) of a defect-causing-step analysis device (16) reads lighting defect information and TFT correction information relating to a single liquid crystal display panel from an information management database (9) and correlat...
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WO/2013/186354A1 |
The invention relates to a machine arrangement, comprising or being at least one carrier, wherein a glass fiber is connected with the machine arrangement. To allow a proper measurement of stresses even at curved surfaces of the machine a...
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WO/2013/186913A1 |
[Problem] To provide a photometric device, wherein highly accurate calibration can be performed in a stable manner prior to taking measurements, and highly accurate measurements of the characteristics of a light source body to be measure...
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WO/2013/185264A1 |
A device for measuring phase delay distribution and fast axis azimuth distribution of a double refraction device in real time is formed of a collimated light source (1), a circular polarizer (2), a diffraction splitting component (4), a ...
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WO/2013/186258A1 |
The invention relates to a machine arrangement (1), comprising or being at least one bearing ring, wherein a glass fiber (2) is connected with the machine arrangement (1). To allow a proper measurement of stresses even at curved surfaces...
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WO/2013/185938A1 |
According to the present invention there is provided methods of performing a distributing sensing measurement, comprising the steps of, modulating the frequency of one or more light signals output from one or more light sources, using on...
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WO/2013/186256A1 |
The invention relates to a machine arrangement (1), comprising or being at least one bearing ring, wherein a glass fiber (2) is connected with the machine arrangement (1). To allow a proper measurement of stresses even at curved surfaces...
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WO/2013/186532A1 |
The present invention concerns a method and apparatus for inspecting rails. More particularly, but not exclusively, this invention concerns a method and apparatus for investigating the propagation of cracks in a railway rail. The inventi...
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WO/2013/185975A1 |
Proposed is a method of estimating a reflection profile of an optical channel. The method comprises different steps. A measured reflection profile of the optical channel, such as an OTDR trace, is provided. One or more reflection peaks a...
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WO/2013/185810A1 |
According to the present invention there is provided a method of performing a distributing sensing measurement, comprising the steps of, modulating the frequency of a light signal output from a light source using a multi-level sequence o...
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WO/2013/183341A1 |
Positional shifts between phase distribution on a wave-front sensor and a phase pattern for compensating on a waved-front modulation element are compensated for quickly and with high precision by a method that includes: a first step that...
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WO/2013/183195A1 |
An illumination evaluation device which evaluates an illumination environment from an arbitrary light source comprises: a visual sign presentation means for presenting, in arbitrary examination locations upon an illumination face (12) wh...
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WO/2013/183146A1 |
In order to determine the connection state of an optical fiber that connects a transmitting terminal and a plurality of receiving terminals, a test signal having a wave length corresponding to the wave length of an optical signal capable...
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