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| Number | Title | Issue Date |
| 8184276 | Continuous index of refraction compensation method for measurements in a medium Described herein are devices and methods for making extremely accurate measurements in a medium by continuously measuring the index of refraction of the medium such as water or biological tissue. Also described herein is a device for constantly measuring the index o... | 05/22/2012 |
| 8040498 | Method and system for identification of changes in fluids Method and system for identification of a changed state of a fluid with respect to a reference state of the same fluid, the fluid having an optical parameter changing with the change of the state of the fluid. The method comprises: a) providing an optical arrangemen... | 10/18/2011 |
| 7999931 | Packaging or container with optical indicator An optical indicator (130) for identification of a changed state of a fluid with respect to a reference state of the same fluid, or for monitoring or checking or authenticating a fluid. The fluid has an optical parameter that changes with the change of the st... | 08/16/2011 |
| 7990527 | Refractive-index sensor An exemplary refractive-index sensor includes a photonic crystal microcavity structure, a light source, and a detector. The photonic crystal microcavity structure includes a photonic crystal layer having first holes and a second hole defined therein. The first holes... | 08/02/2011 |
| 7916285 | Refractometer Certain embodiments of the present invention provide a refractometer including: a housing having an immersion portion, the immersion portion having an opening; a light source for emitting a light; a light sensor for converting a received light into an electrical sig... | 03/29/2011 |
| 7907264 | Measurement of thin film porosity A method of measuring a porosity of a film, by measuring a refractive index of the film in a first environment having a first relative humidity to produce a first refractive index measurement. The refractive index of the film is measured in a second environment havi... | 03/15/2011 |
| 7903243 | Automatic brewster angle refractometer An improved refractometer for automatically determining the refractive index of a test subject by using principles embodied in Brewster's Angle, the refractometer comprising a light source, a light detector, a subject mount for securing the test subject to the devic... | 03/08/2011 |
| 7821622 | Optical refractometer for measuring seawater salinity and corresponding salinity sensor An optical refractometer is provided for measuring the refractive index of a liquid. Such a refractometer includes a first optical block having a transparent material whereto is secured a light source, a second optical block having a transparent material whereto is ... | 10/26/2010 |
| 7800746 | Method for identifying refractive-index fluctuations of a target Systems and methods for identifying refractive-index fluctuations of a target are described in this application. One embodiment includes identifying one or more properties of emergent light, the emergent light to be emergent from a target, and determining refractive... | 09/21/2010 |
| 7777873 | Refractive index sensor An exemplary refractive-index sensor includes a photonic crystal microcavity structure, a light source, and a detector. The photonic crystal microcavity structure includes a photonic crystal layer having first holes and a second hole. The first holes are arranged in... | 08/17/2010 |
| 7714992 | Equipment and method for monitoring an immersion lithography device The invention concerns an equipment for monitoring an immersion lithography device provided with a main light source and a projection optics for printing images on a wafer. The propagating medium extending from the projection optics to the wafer consists of a liquid... | 05/11/2010 |
| 7684024 | 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 angles that corresponds to the range of deflection angles. ... | 03/23/2010 |
| 7667832 | System for identifying refractive-index fluctuations of a target Systems and methods for identifying refractive-index fluctuations of a target are described in this application. One embodiment includes identifying one or more properties of emergent light, the emergent light to be emergent from a target, and determining refractive... | 02/23/2010 |
| 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 least one light source (20) configured to direct tran... | 11/17/2009 |
| 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 process liquid and the optical window and leading back part of the beam o... | 11/17/2009 |
| 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 face of the prism, and a photoelectric sensor for receiving light refle... | 02/17/2009 |
| 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 from a starting point Ap and arriving in an arrival point Bp following ... | 12/02/2008 |
| 7453558 | Measuring device for measuring the refraction properties of optical lenses The invention relates to a measuring device (01) for measuring the refraction properties of optical lenses (07), especially spectacle glasses, comprising a measuring light grid (20) for producing a plurality of light beams (16) which are ... | 11/18/2008 |
| 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. ... | 09/30/2008 |
| 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 predetermined pattern is formed in a resist film on a substrate, the ref... | 05/20/2008 |
| 7371562 | Guided mode resonant filter biosensor using a linear grating surface structure Methods and compositions are provided for detecting biomolecular interactions. The use of labels is not required and the methods can be performed in a high-throughput manner. The invention also provides optical devices useful as narrow band filters. ... | 05/13/2008 |
| 7369221 | Portable refractometer A portable refractometer is provided that includes a lens barrel having a lens barrel axis. A prism is secured to one end of the lens barrel, the prism having an entry face that provides a boundary surface between the prism and a substance to be measured. A tube sha... | 05/06/2008 |
| 7368281 | Label-free evanescent-field detection of biological and chemical agents An evanescent-field sensor system and method of using the system to detect either liquid- or airborne biological pathogens, chemical agents, and other harmful or toxic species is provided. The sensor system involves 1) an evanescent-field sensor having a substrate s... | 05/06/2008 |
| 7365838 | System and method for the measurement of optical distortions An apparatus measures optical deviations caused by an aircraft canopy. In this apparatus, a light source generates a beam of light. A collimator, optically coupled to the light source, then collimates the beam of light. An optical assembly patterns the collimated be... | 04/29/2008 |
| 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 a particular environment, and using the degree of polarization to det... | 04/08/2008 |
| 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 non-uniformity of the refractive index distribution associated with ... | 04/08/2008 |
| 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 treatment of at least one optical element of the optical system in th... | 04/01/2008 |
| 7349158 | Diffraction grating-based encoded micro-particles for multiplexed experiments Microparticles 8 includes an optical substrate 10 having at least one diffraction grating 12 disposed therein. The grating 12 having a plurality of colocated pitches Λ which represent a unique identification digital code that is detected... | 03/25/2008 |
| 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 can be immobilized to a sensing surface of an evanescent field sensor. ... | 03/25/2008 |
| 7349107 | System and method for correction for angular spread in determining optical properties of materials The present invention provides a method and system to correct for angular spread within an HDR used to determine IR optical constants. An algorithm simulates the transmission and polarized reflection actually observed. This is achieved by averaging power scattering ... | 03/25/2008 |
| 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 a nitrided oxide gate dielectric formed on the specimen from the spec... | 03/25/2008 |
| 7339664 | System and method for inspecting a light-management film and method of making the light-management film A method of inspecting a light-management film comprises reflecting light from an overhead light source off a first side of the light-management film and examining the light-management film for defects; directing transmission light from a backlight source through a ... | 03/04/2008 |
| 7335401 | Method for producing microparticles loaded with proteins The present invention concerns a method for producing microparticles loaded with proteins which is characterized in that the microparticles are loaded in suspension under strongly alkaline conditions. The invention also concerns microparticles which can be produced ... | 02/26/2008 |
| 7336859 | Sensor using ultra thin waveguides and optical fibers Methods and apparatus are provided for detecting one or more contaminant particles in an environment with an optical sensor. The sensor includes at least one optical waveguide in a resonant arrangement and a light source positioned in an environment in which the pre... | 02/26/2008 |
| 7330013 | Apparatus and method for charging and discharging a battery A method and apparatus for controlling the charge and discharge currents in a battery (2) as a function of temperature. When a battery (2) is charged or discharged in an environment that approaches its design operating temperature extreme, the currents... | 02/12/2008 |
| 7327454 | Method and apparatus for detecting biomolecular interactions Method and apparatus for detecting biomolecular interactions. The use of labels is not required and the methods may be performed in a high-throughput manner. An apparatus for detecting biochemical interactions occurring on the surface of a biosensor includes a light... | 02/05/2008 |
| 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 layer of the SPR sensor to be close to a critical thickness dcr | 02/05/2008 |
| 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 the optical system. The miniaturized REF sensor is situated in an opti... | 01/15/2008 |
| 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 angles that corresponds to the range of deflection angles. ... | 01/08/2008 |
| 7312090 | Label-free methods for performing assays using a colorimetric resonant reflectance optical biosensor Methods are provided for detecting biomolecular interactions. The use of labels is not required and the methods can be performed in a high-throughput manner. The invention also relates to optical devices. ... | 12/25/2007 |
