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7623239 |
Systems and methods for measurement of a specimen with vacuum ultraviolet light
Various systems for measurement of a specimen are provided. One system includes an optical subsystem configured to perform measurements of a specimen using vacuum ultraviolet light and non-vacuum...
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7619740 |
Microgloss measurement of paper and board
Microgloss is a novel two-dimensional representation of how light is reflected from a target surface area. Systems and methods for measuring the microgloss can yield data for characterizing the...
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7616317 |
Reflectometer and associated light source for use in a chemical analyzer
A light source for a reflectometer which is used in a chemical analyzer includes a plurality of light emitting devices. Some of the light emitting devices emit light of different wavelengths. The...
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7602497 |
Reflectance sensor for measuring liquid pigment preparations or solid pigmented surfaces
The invention relates to reflectance sensors built up from an optical unit, a sample analysis unit and a system control unit, and to a method of measuring the reflectance of a sample in the form of...
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7601544 |
Method and apparatus for using infrared readings to detect misidentification of a diagnostic test strip in a reflectance spectrometer
A method and apparatus for using an infrared reading to detect the misidentification of a diagnostic test strip disposed on a feed table comprising the steps of determining if the test strip...
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7599727 |
Lighting and imaging system including a flat light source with LED illumination
A system for lighting a stent, i.e., providing an illumination source, to facilitate the capturing of an image of the stent. The lighting is provided so that an image capturing device, e.g., a...
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7586617 |
Controlling a dynamic signal range in an optical time domain reflectometry
A technique includes providing an optical source signal to an optical fiber to produce a backscatter signal. A receiver is provided to detect the backscatter signal. During an acquisition period in...
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7580131 |
Angularly resolved scatterometer and inspection method
In an angularly resolved scatterometer, an aperture plate including at least one obscuration extending into the image of the pupil plane is provided. Defocus values of a target pattern are...
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7557925 |
Optical instrument and parts thereof for optimally defining light pathways
An optical assembly is disclosed that includes an illumination source, a detection sensor, a monitor sensor, and an optical piece having a first side adapted to face a sample. The optical piece...
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7557922 |
Detection system for use in a sorting apparatus, a method for determining drift in the detection system and a sorting apparatus comprising such detection system
The present invention is related to a detection system for inspecting a continuous stream of products comprising means for determining the detection system induced variations in its output signal....
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7554665 |
Dual beam set-up for parousiameter
A parousiameter having a dual beam setup and method for use thereof is provided for producing measurements of optical parameters. The dual beam parousiameter includes a hemispherical dome enclosure...
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7548312 |
Measuring device for ingredient detection
A measuring device has a sensor for registering at least one parameter selected from the group consisting of at least one ingredient, at least one property, and both, of a material being...
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7538871 |
Colour measurement device with associated measurement head
A spectrophotometer for integration purposes includes a measurement head with an illumination arrangement ( 10 ) including at least one fight source ( 11 ) for the illumination of a measurement...
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7538865 |
Source and detector sensor arrangement
A device has various arrangements of source and detector sensors. In specific implementations, the device has at least four structures, one source and three detectors, two sources and two...
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7525647 |
Medical device probe with source and detector sensors
A probe for a medical device with source and detector sensors is used to monitor or measure, or both, oxygen saturation levels in a tissue. In various specific implementations, the probe has at...
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7522294 |
Measuring a process parameter of a semiconductor fabrication process using optical metrology
To measure a process parameter of a semiconductor fabrication process, the fabrication process is performed on a first area using a first value of the process parameter. The fabrication process is...
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7521954 |
Method for determining a minority carrier diffusion length using surface photo voltage measurements
A method of determining a diffusion length of a minority carrier in a material which includes applying a first excitation light having a first photon flux to a material, measuring a first surface...
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7508522 |
Reflected light measuring apparatus and reflected light measuring method
A reflected light measuring apparatus including an illumination system and a light receiving system which receives reflected light from a measuring area of an object illuminated with measuring...
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7508504 |
Automatic wafer edge inspection and review system
A substrate illumination and inspection system provides for illuminating and inspecting a substrate particularly the substrate edge. The system uses a light diffuser with a plurality of lights...
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7499171 |
Methods for using light reflection patterns to determine diving angle of grain
Methods are provided for using light reflection patterns to determine various properties of fibrous materials, such as wood. More specifically, the present invention relates to methods for...
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7499165 |
System of measuring light transmission and/or reflection
A system of measuring light transmission and/or reflection has a light transmitter(s) and at least one light sensor which are used to generate a defined light environment over a specified light...
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7492461 |
Method and device for measuring reflected optical radiation
The present invention provides an optics assembly, a reflectometer, and a diagnostic device for providing quantitative measurement of optical radiation reflected from a sampling area on an assay...
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7483141 |
Diffuse reflectance readhead
A glucose monitoring system comprising a readhead positioned a predetermined distance from a sample aperture. The readhead comprises first and second LEDs adapted to emit intersecting paths of...
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7480054 |
System and method for the deposition, imaging, detection and identification of threat agents
A system and method for depositing a sample of a threat agent onto a substrate. The deposition of the threat agent onto the substrate is visually observed by analyzing the elastic scattered photons...
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7478638 |
Machine for manufacturing tobacco products
Tobacco products are manufactured by an automatic machine presenting a number of working parts, certain of which consisting in rollers rotatable about mutually parallel axes and carried by a...
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7477397 |
Self-calibrating optical reflectance probe system
A self-calibrating optical reflectance probe system having an illuminant light source to illuminate a sample material, optical pickup means to collect reflected light from the sample material, and...
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7466403 |
Grain angle sensor
A grain angle sensor system for measuring grain angle direction of surface fibers of a wood object with respect to at least one of a surface plane direction or a transverse direction, such as a...
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7443508 |
Spectrophotometric scanner
A spectrophotometric scanner suitable for producing spectral reflectance images of surfaces of samples for a plurality of wavelength bands is disclosed. The spectrophotometric scanner comprises a...
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7436516 |
Reflection characteristic measuring apparatus
A reflection characteristic measuring apparatus includes: a light irradiating member for irradiating light toward a sample surface to be measured; a light detector, having a two-dimensional light...
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7433055 |
Device for the examination of optical properties of surfaces
A device for examining the optical properties of surfaces includes at least one first radiation device which emits radiation to a surface to be examined at a first predetermined spatial angle; at...
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7426020 |
System for print imaging with prism illumination optics
A directionally-oriented reflective device is optically coupled to a prism surface in a skin ridge pattern imaging system to reflect illumination light at relatively small angles, along an optical...
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7405828 |
Method for measuring the degree of crosslinking of pressure sensitive adhesive
A method for measuring the degree of crosslinking of pressure sensitive adhesive. The method, having the advantages of simple steps and short measuring time, comprises immersing a transparent...
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7399600 |
Optical detection and analysis of particles
Method and apparatus for the single particle detection of submicron structures such as biological molecules and viruses utilises an optical element ( 100 ) comprising an optically transparent...
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7397566 |
Method and apparatus for optical interactance and transmittance measurements
A method, system and apparatus for improving at least one of a) optical interactance measurements, b) optical transmittance measurements and c) optical reflectance measurements. The apparatus has a...
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7397565 |
Device and method for obtaining appearance information
A device has first and second units that lights an object at first or second incident angles; a unit that generates image signals according to the intensity of the received light; units that guides...
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7391582 |
Objective lens holder, objective lens driving device including same and optical disk read/write device
An objective lens holder of the present invention includes: (i) a cavity, having an entrance and an exit, which guides, to an objective lens, an incident light beam entering the entrance, the exit...
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7391518 |
Device and method for the determination of the quality of surfaces
The present invention relates to a device and method for making quantified determinations of the quality of surfaces and wherein the device comprises an optical system with a first optical means...
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7382462 |
Device for measuring the reflection factor
A device for measuring the reflection factor by irradiating a measurement area of a microchip with light, and in which a light receiving part is made to receive light reflected from the measurement...
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7375335 |
Effect-particle orientation and apparatus therefor
A method and apparatus for determining the effect-particle orientation in a film or coating are disclosed. The method comprises using opposing directional reflectance measurements, preferably in...
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7369244 |
Optical measuring apparatus, illumination system, and light detecting system
An optical measuring apparatus includes: an illumination system having a toroidal mirror which is by circularly rotating a parabolic curve or its approximate curve around an axis with the focal...
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7369243 |
Optical measuring apparatus and optical measuring method
An optical measuring apparatus comprises: an illuminating section that illuminates a first object with a first light; a light changing section that changes an intensity of the first light...
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7362440 |
Far-field optical microscope with a nanometer-scale resolution based on the in-plane image magnification by surface plasmon polaritions
A far-field optical microscope capable of reaching nanometer-scale resolution using the in-plane image magnification by surface plasmon polaritons is presented. The microscope utilizes a microscopy...
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7362429 |
Opaque additive to block stray light in amorphous fluoropolymer light-guiding flowcells
The present invention is directed to the use of a light absorbing wall material to eliminate stray light paths in light-guiding structures, such as those used for HPLC absorbance detection. More...
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7359056 |
Enhanced signal detection of optically encoded particles via flare
Methods of, and systems for, detecting an airborne material. In a first preferred embodiment, a method is provided that includes deploying a cloud of optical sensors, illuminating at least a...
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7355713 |
Method for inspecting a grating biochip
A method for inspecting a grating biochip comprises the steps of irradiating a grating biochip using a light beam, measuring a diffracted light using a photodetector, selecting a plurality of...
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7355712 |
Apparatus for measuring goniometric reflection property of sample
An apparatus for measuring a goniometric reflection property of a sample has: one or more illuminators; a toroidal mirror which is rotationally symmetrical around a center axis effectively...
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7355688 |
Optical probe for optical imaging system
Methods and apparatus for monitoring oxygen saturation levels in tissue are disclosed. According to one aspect of the present invention, a sensor arrangement for use in an optical imaging system...
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7349096 |
Scatterometer and a method for observing a surface
A scatterometer comprising light source means ( 11 ) for providing an incident light beam ( 8 ) at different angles in the direction of a sample ( 5 ) to be analyzed, and a concave screen ( 1,2 )...
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7342657 |
Dual illumination angle goniometric spectrophotometer
The present disclosure provides for a device, as well as a system and method associated therewith, for, among other things, providing: (i) up to five distinct measurement angles along with an...
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7339673 |
Miniature optical readhead for optical diagnostic device
A miniature readhead for a photometric diagnostic instrument includes a housing of hand-held form factor, configured for receiving reagent sample media therein. The sample media has a plurality of...
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