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WO/2015/006788A1 |
The invention refers to optics, in particular to the development of a new method for optical measurements. Possible fields of the invention application are: polarimetry, spectropolarimetry and ellipsometry. The invention proposes a metho...
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WO/2015/004358A1 |
The invention relates to a device for analyzing and/or generating a polarization state of a measurement point of a target object; the device includes: a polarizer suitable for selecting, in an incident light wave, a light beam which is l...
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WO/2014/200329A1 |
The present invention provides an apparatus for measuring six polarization state of an input optical pulse. The disclosed apparatus is easy to implement with relatively lesser components to form the apparatus. The apparatus uses two pola...
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WO/2014/181319A1 |
It is disclosed a device for measuring a concentration of glucose, for example, in a translucent piece of a body, like an earlobe, a tissue connecting two fingers, a nasal ala, or a cheek. The piece is illuminated by a linearly polarized...
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WO/2014/111487A1 |
A polarimetry apparatus comprising a plurality of flexible light conduits each having first and second ends, and a respective polarization modulator associated with each light conduit, wherein each light conduit is configured to receive ...
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WO/2014/110299A1 |
This patent document relates to optical devices and optical sensing techniques including optical gyroscopes and optically sensing rotation. Sensing of rotation can be used in a wide range of applications, including, e.g., navigation, mot...
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WO/2014/102792A1 |
Method and system for measuring one or more parameters of a patterned structure, using light source producing an input beam of at least partially coherent light in spatial and temporal domains, a detection system comprising a position se...
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WO/2014/104194A1 |
In order to inspect each processing condition among a plurality of processing conditions with high accuracy using a substrate having a pattern processed under the plurality of processing conditions, an inspection apparatus (1) is provide...
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WO/2014/060118A1 |
The invention provides a spectrometer setup comprising a light receiving section, a light dispersive element, and a 2D array light detector, wherein the spectrometer setup further comprises a polarization analyzer configured downstream o...
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WO/2014/060466A1 |
The invention provides a spectrometer setup comprising a light receiving section, a light dispersive element, and a 2D array light detector, wherein the spectrometer setup further comprises a spectral modulator configured downstream of t...
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WO/2014/057136A2 |
The invention relates to a device (1) for detecting laser radiation (45), comprising at least one light inlet (51) and at least one photoelectric transducer (5), which is designed to convert electromagnetic radiation (46) entering throug...
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WO/2014/052434A1 |
Systems and methods of for measuring birefringence and stress in a sample made of ion-exchanged glass or a ceramic are disclosed, wherein the method includes digitally capturing TE and TM angular spectra of intensity versus pixel number ...
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WO/2014/035535A1 |
An optical imaging system and method including a movable pixelated filter array, a shutter mechanism to which the pixelated filter array is attached, and a controller configured to implement a data reduction algorithm. The shutter mechan...
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WO/2014/031216A1 |
Describes methods and systems for vicarious polarimetric calibration and performance validation of a remote sensor. The system includes a plurality of reflective mirrors configured and arranged to reflect radiation from a source of radia...
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WO/2014/018213A1 |
The subject technology relates to methods and systems for removing haze from an input image. The system includes a polanmeter configured to receive an input image comprising haze corresponding to light scatter. The polanmeter is further ...
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WO/2014/018461A2 |
A method for determining absolute orientation of a platform is disclosed. In one embodiment, a first sky polarization data set for a first time Ti is measured using a sky polarization sensor disposed on a platform. A second sky polarizat...
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WO/2014/016528A1 |
The invention relates to an accurate and robust wavefront-division polarimetric analysis device, allowing the quasi-instantaneous measurement of the polarisation states of a luminous object. The wavefront-division polarimetric analysis d...
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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/2013/121423A1 |
A measurement system and method are presented for use in measuring in patterned structures having annularly-shaped vias. The system comprises illumination and detection channels, a polarization orientation system, a navigation system, an...
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WO/2013/101252A1 |
A terahertz ellipsometer, the basic preferred embodiment being a sequential system having a backward wave oscillator (BWO); a first rotatable polarizer that includes a wire grid (WGP1); a rotating polarizer that includes a wire grid (RWG...
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WO/2013/087456A1 |
The invention relates to a device (1) for measuring the state of polarization of an incident wave of frequency 10 GHz to 30 THz, comprising a field effect transistor (2), a reception antenna (3). According to the invention, the antenna p...
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WO/2013/090115A1 |
A system that incorporates teachings of the present disclosure may include, for example, a method for generating from a light source a light signal operating in a region of the light spectrum, modifying the light signal with a first pola...
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WO/2013/020121A1 |
An in-line polarization extinction ratio (PER) monitor that generates a value of an optical signal's PER from a single measurement, without requiring the optical transmission signal path of the system to be directly coupled into a separa...
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WO/2013/013563A1 |
A road surface ponding and icing detection method and device. The method includes: acquiring a first road surface image picture of the road surface which is located within the video camera range taken by a first video camera by means of ...
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WO/2013/008784A1 |
[Problem] To provide an optical coherence tomograph capable of achieving size reduction and cost reduction attendant thereon, and a detection unit used therein. [Solution] An optical coherence tomograph (100) is provided with a detection...
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WO/2013/006637A1 |
Ellipsometry systems and ellipsometry data collection methods with improved stabilities are disclosed. In accordance with the present disclosure, multiple predetermined, discrete analyzer angles are utilized to collect ellipsometry data ...
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WO/2012/118079A1 |
Linearly-polarized light reaching a sample (S) via a polarizer is provided with retardation by the sample (S), and then reaches a movable mirror portion (131) and a fixed mirror portion (132) of a phase shifter (13) via a first polarizin...
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WO/2012/096772A1 |
An optical metrology device (100) produces a broadband beam of light (104) that is incident on and reflected by a sample (108) and introduces multiple variations in the polarization state of the beam of light induced by an optical chiral...
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WO/2012/082366A1 |
A method for imaging a sample, the method includes, during a single acquisition event, receiving a first polarization-encoded EM field for a first point and a second polarization-encoded EM field for a second point. The method further in...
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WO/2012/066959A1 |
The present invention rapidly and accurately measures the optical characteristic of an optical film having a large area. An optical film (12) to be measured is mounted on a surface illumination unit (14). Circularly polarized light is ca...
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WO/2012/044619A1 |
Embodiments may take the form of three-dimensional image sensing devices configured to capture an image including one or more objects. In one embodiments, the three-dimensional image sensing device includes a first image device configure...
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WO/2012/028726A1 |
The invention relates to a device (1) and a method for measuring a magnetization generated within an active medium (10) or characterizing a linearly polarized electromagnetic wave when said active medium exhibits an inverse Cotton-Mouton...
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WO/2012/017158A1 |
The present invention relates to a polarimetric measurement device with microscopic resolution, in particular comprising polarization conversion means able to modify the polarization of a beam so as to switch from a spatially uniform dis...
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WO/2012/002720A2 |
The present invention relates to an optical interferometer and a microscope using the same, and the optical interferometer comprises: a light source; a beamsplitter which splits light generated from said light source; a polarization spli...
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WO/2012/002207A1 |
Disclosed is a polarization imaging apparatus (1) which is capable of acquiring the detailed three-dimensional information and the polarization distribution of a subject by one image pickup, the polarization imaging apparatus being provi...
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WO/2011/155903A1 |
An apparatus and method of testing a magnetic medium at temperatures of interest is disclosed. Properties of the magnetic medium are determined by focusing light from a source of polarized light on a magnetic surface of the magnetic medi...
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WO/2011/150680A1 |
A broadband polarization spectrometer with normal incidence of easy focus-adjusting, chromatism-free, polarization characteristic maintaining, and a simple structure. In the broadband polarization spectrometer with normal incidence, at l...
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WO/2011/150673A1 |
Disclosed is a broadband spectrometer with inclined incidence of easy focus-adjusting, chromatism-free, polarization characteristic maintenance, and a simple structure, which comprises at least one polarizer (P, A), at least one curved r...
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WO/2011/123848A1 |
A method for imaging skin includes illuminating a subject with at least one light source of one or more light sources. The method includes acquiring a first image of the subject in a first polarization with a respective photodetector of ...
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WO/2011/117873A1 |
A system and method are presented for use in measuring polarization of an optical beam. The system is configured and operable for determining polarization profile along a cross section of the input optical beam, and comprises an optical ...
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WO/2011/098113A2 |
The invention relates to novel polymers containg repeating units based on benzodithiophene or derivatives thereof, monomers and methods for their preparation, their use as semiconductors in organic electronic (OE) devices, especially in ...
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WO/2011/075645A1 |
A polarimeter and polarimetry method are disclosed of the type in which light polarization rotating properties of a sample are measured by interposing the sample in the path of a light beam having base plane polarization in a plane of kn...
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WO/2011/058987A1 |
Disclosed is a polarimeter that employs a light source (31) other than LEDs or other sodium vapor lamps, which measures optical rotation of a specimen in solution and converts the optical rotation thus measured to an optical rotation wit...
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WO/2011/043930A1 |
Asymmetry metrology is performed using at least a portion of Mueller matrix elements, including, e.g., the off-diagonal elements of the Mueller matrix. The Mueller matrix may be generated using, e.g., a spectroscopic or angle resolved el...
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WO/2011/036662A1 |
An apparatus comprising an array of polarized light filter cells, each cell has a first polarized filter having a first polarization direction and a second polarized filter having a second polarization direction, the second polarization ...
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WO/2011/023765A1 |
A laser system (100) includes a laser (110), a housing (101) including the laser and a first chamber (120) arranged to receive laser radiation from the laser during operation of the laser system. The system also includes a first optical ...
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WO/2011/011511A1 |
A method for determining an overlay offset may include, but is not limited to: obtaining a first anti-symmetric differential signal (ΔS1) associated with a first scatterometry cell; obtaining a second anti-symmetric differential signal ...
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WO/2011/006250A1 |
The present invention is a waveguide structure that facilitates guiding of IPPs and a method of IPP mode-matching. The structure of the waveguide of the present invention, and its channels in particular, may be lithographically defined t...
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WO/2011/007374A1 |
A method for identifying the orientation of wood fibres (2) comprises the operating steps of generating at least one beam of light (4) polarised in a predetermined first polarisation plane, projecting the beam of light (4) onto a surface...
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WO/2011/003041A1 |
An apparatus, for measuring an applied electrical field (130) and for reducing perturbation to the electrical field being measured, includes a laser (116) integrated into an electro optic crystal sensor head (101) prior to the output fib...
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