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7619725 |
Optically amplified critical wavelength refractometer
A critical wavelength refractometer is provided. A broadband light source ( 413 ) is optically coupled to a sensor ( 401 ), the sensor having at least one sensing surface ( 407 ). As the light from...
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7619724 |
Device and method for detecting changes in the refractive index of a dielectric medium
The device for detecting changes in the refractive index of a dielectric medium comprises: at least one metallic layer ( 300 ) ready to be placed in contact with the dielectric medium ( 200 ); at...
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7619723 |
Refractometer
A refractometer is disclosed having a light source and an optical window to be positioned in a process liquid. A beam of rays is directed from the light source to an interface (RP) between the...
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7616290 |
Exposure apparatus and method
An exposure apparatus including a projection optical system for projecting a pattern of a reticle onto a plate to be exposed, via a liquid that is filled in a space between the projection optical...
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7593107 |
Method and system for diffusion attenuated total reflection based concentration sensing
A system for measuring light absorption levels includes a light source providing a light beam and a container for a liquid. The container includes an opening to provide access to the liquid. A...
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7570362 |
Optical measurement apparatus utilizing total reflection
In optical measurement utilizing total reflection, various types of measurement are selectively performed. The invention provides an optical measurement apparatus using total reflection, including...
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7541573 |
Optical sensors for sensing the refractive index of fluid samples
An optical sensor comprises a sensing element comprising a waveguide grating with a response that varies with an effective modal index experienced by light propagating in the grating and a sample...
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7537871 |
Method of manufacturing semiconductor device
A method of manufacturing a semiconductor device using immersion exposure in which exposure is carried out with an immersion exposure liquid interposed between a projection lens and a substrate,...
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7537734 |
Integrated optic waveguide immunosensor
A composite waveguide for evanescent sensing in fluorescent binding assays comprising a substrate layer having one or more thin-film waveguide channels deposited thereon. Binding molecules having...
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7492447 |
Refractometer
A refractometer for measuring refractive index of a sample comprising a prism having an interface contacting the sample, a light source that radiates light towards the interface from an entrance...
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7486388 |
Method and apparatus for standardization of a measuring instrument
A method, a portable device and a measuring instrument for standardization of a satellite measuring instrument to a corresponding master measuring instrument are disclosed. The portable device...
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7483126 |
Performance analyses of micromirror devices
The invention provides a method and apparatus for evaluating the product quality and performances of micromirror array devices through measurements of the electromechanical responses of the...
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7482612 |
Optical moisture sensor and method of making the same
A soil moisture sensor uses a non-collimated light source and a photosensor, respectively, mounted at the foci of a transparent ellipsoidal plastic body. The dimensions of the body are such that...
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7462326 |
Device for the detection of at least one ligand contained in a sample that is to be analyzed
Disclosed is a device for detecting at least one ligand contained in a sample that is to be analyzed. Said device comprises an optical waveguide, on the surface of which at least one...
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7460217 |
Device for determining a refractive index in a large number of points of a physical environment
A device for determining a refractive index (Rl) in a large number of points of a physical medium, comprising: a light laser for performing a series of p pulsed laser rays (PLRs) each proceeding...
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7456942 |
Dynamic refractometer
A refractometer computer controls the rotation of a rotary plate upon which are mounted a prism optically coupled via an optical window to a spectroscopic cell holding a resin exhibiting a dynamic...
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7454094 |
Optical reader system and method that uses non-coherent illumination and angular filtering to interrogate a label independent biosensor
An optical reader system and method are described herein that directs a non-coherent light towards a biosensor, collects the non-coherent light which is reflected (or transmitted) from (or through)...
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7445934 |
System and method for estimating filtrate contamination in formation fluid samples using refractive index
A method and apparatus is described for estimating terminal purity or terminal contamination for a fluid during the withdrawal of the fluid from a subsurface formation. The apparatus and method...
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7430048 |
Axial illumination for capillary electrophoresis
System and method for fluorescent light excitation and detection from samples to enhance the numerical aperture and/or reduce the cross-talk of the fluorescent light.
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7375831 |
Line width measuring method, substrate processing method, substrate processing apparatus and substrate cooling processing unit
In optical line width measurement performed using the scatterometry technique, the present invention measures the line width formed on a substrate more accurately than in the prior art. After a...
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7355707 |
Systems and methods for analyzing dew in a system of interest
A system and method and for analyzing dew in a system of interest are provided. A representative method comprises receiving infrared information corresponding to a degree of polarization of dew in...
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7355686 |
Optical system including molded optical element and method of manufacturing the optical system
An optical system that includes a molded optical element having a non-uniform refractive index distribution due to molding and a method of manufacturing the optical system is disclosed. Data of the...
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7352452 |
Method and apparatus for setting optical imaging properties by means of radiation treatment
Method and apparatus for setting optical imaging properties using radiation treatment, specifically a method and an apparatus for setting the imaging properties of an optical system with radiation...
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7349080 |
Label-independent detection of unpurified analytes
The present invention features use of evanescent field sensing to detect or evaluate unpurified, unlabeled analytes in raw samples. Capture molecules capable of binding to an analyte of interest...
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7349079 |
Methods for measurement or analysis of a nitrogen concentration of a specimen
A method for measurement of a specimen is provided. The method includes measuring spectroscopic ellipsometric data of the specimen. The method also includes determining a nitrogen concentration of...
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7327445 |
Enhanced surface plasmon resonance sensor using Goos-Hänchen effect
An improved surface plasmon resonance (SPR) sensor is provided based on direct measurement of the Goos-Hänchen effect. Sensor sensitivity is enhanced by selecting the thickness of the metallic...
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7319523 |
Apparatus for a liquid chemical concentration analysis system
An apparatus utilizes optical reflectivity (REF) to measure concentrations in liquids. The REF optical system is packaged in a compact and cost-effective form factor. An electronic circuit drives...
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7317519 |
Swept-angle SPR measurement system
A swept-angle SPR measurement system deflects an optical beam over a range of deflection angles according to a control signal and maps the deflected beam to a target within a range of incidence...
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7310136 |
Method and apparatus for measuring prism characteristics
Disclosed herein is a method comprising illuminating a microstructured prism, or linear array of prisms of a prism sheet with an incident beam. The method further comprises making measurements of...
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7307709 |
Device and method for optical center detection
A device is presented for computing an optical center of a sensor array relative to a lens. The sensor array includes a plurality of sensor units, and each sensor unit has a position on the sensor...
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7295295 |
Paste solids measurement in real time
A real-time method of determining paste solids includes: correlating the refractive index of a paste with solute concentration in a solvent using a plurality of paste solids concentrations,...
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7295294 |
Optical waveguide sensor and measuring apparatus using said optical waveguide sensor, and measuring method using a sensor
A first core layer and a second core layer, serving as optical waveguides, whose refractive indexes are greater than that of a substrate are placed on the surface of the substrate that functions as...
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7283220 |
Methods and apparatuses for measuring the refractive index and other optical properties of liquids, gels, and solids
Methods and apparatuses for measuring the optical properties of solids, gels, and liquids are disclosed. The apparatuses may be constructed on miniature substrates using conventional semiconductor...
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7280194 |
Accurate determination of refractive indices of solid, fluid and liquid materials
Systems and methodology for determining not only precise and repeatable results, but accurate values of the refractive index of solids, fluids and liquids.
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7280192 |
Lens meter
A lens meter for measuring refractive power distribution of a progressive power lens and displaying its distribution map, has a lens rest having an aperture, an optical system including an axis, a...
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7273277 |
Advanced vision intervention algorithm
A method of optimizing the predictability of a vision correction procedure by comparing historical data, including the vision defect, the correction method and outcome, in terms of wavefront...
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7268864 |
Method for a liquid chemical concentration analysis system
An apparatus utilizes optical reflectivity (REF) to measure concentrations in liquids. The REF optical system is packaged in a compact and cost-effective form factor. An electronic circuit drives...
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7253888 |
Refractive index sensor utilizing gold island surface plasmon resonance on optical fiber
A system for measuring an index of refraction that has a light emitting diode and a plurality of reference fibers not in contact with a sample to be measured and that receive light from the light...
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7248350 |
Non-destructive method of determining the refractive index of clear coats
The invention is directed to a method for determining repairability of an original clear coat applied over a darkly pigmented substrate with a corresponding repair clear coat used in repairing...
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7245361 |
Method for evaluating refractive index homogeneity of optical member
A method for evaluating the refractive index homogeneity of an optical member includes passing light through an optical member ( 1 ) used for photolithography. The side surface ( 1 a ) with respect...
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7239391 |
Method of analysis of multiple layer samples
Spectroscopic ellipsometer system(s) mediated methodology for quantifying layer defining parameters in mathematical models of samples which contain a plurality of layers of different materials, at...
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7233391 |
Optical device integrated with well
Methods and systems are disclosed that include an optical device for providing information about one or more samples. The system includes well(s) for holding the sample(s), and in one embodiment,...
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7221440 |
System and method for controlling ink concentration using a refractometer
The present invention relates to ink output in ink jet printing systems. A refractometer is used to control the concentration of inks used in continuous ink jet printers. A concentration detector...
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7209873 |
Method of analyzing and computing anisotropic turbulent flows
A general, closed, anisotropic kinetic turbulence theory for gases and liquids is based on new solutions of the Maxwell moment equations of the Boltzmann equations. These solutions provide a closed...
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7199871 |
Refractometer and method for measuring refractive index
The invention relates to a refractometer and to a refractive index measuring method. The invention directs an incident light ray onto an interface of a medium of known refractive index and of the...
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7189960 |
Optical moisture sensor
A soil moisture sensor has a cylindrical body of transparent cyclic olefin polymer (COC). A pair of axially spaced cavities tapered toward each other are formed in the body. A light source is...
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7184135 |
Refractometer with blazed bragg gratings
A refractometer with blazed Bragg gratings. In order to measure the refractive index of a medium, for example a liquid or a gas, the refractometer includes a waveguide having a blazed Bragg...
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7145655 |
Methods and apparatus for measuring refractive index and optical absorption differences
Methods and instruments are provided for measuring differences in fractional reflectivity changes between transverse electric (TE or s-polarized) and transverse magnetic (TM or p-polarized...
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7130034 |
Metrology system and method for measuring five degrees-of-freedom for a point target
A metrology system includes a laser, a position sensitive detector array, a first collimator, a second collimator, and a mirror. The position sensitive detector array and the first collimator are...
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7106429 |
Apparatus and method for detecting change of dielectric constant
Disclosed herein is an apparatus and method for detecting a selected material that change an effective dielectric constant of a circular resonator. An example of the apparatus includes an input...
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