Matches 301 - 350 out of 868 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
6414753 Low stray light czerny-turner monochromator  
A monochromator is provided which reduces the amount of stray light striking the detector of the monochromator. A light source is provided which directs light to a source mirror. The source mirror...
6414750 Spectrometric apparatus and method for measuring optical characteristics of an object  
Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics preferably are spaced...
6411382 Monochromator and spectrometric method  
The monochromator and the spectrometric method are disclosed wherein the measured beam converted into a parallel beam by a first collimator is diffracted by a plane diffraction grating, then the...
6404492 Light source apparatus and measurement method  
An acousto-optic tunable filter 4 including: an acousto-optic crystal 41 ; an acoustic wave driver 42 ; and a piezoelectric transducer 43 , is provided in front of a light source section 2 ...
6400396 Displaced-beam confocal-reflection streak lindae apparatus with strip-shaped photocathode, for imaging very small volumes and objects therein  
An imaging system for detecting the contents of a turbid medium which is at least partially transmissive of light. The system includes a light source for producing a series of discrete pulse beams...
6398914 Method and device for process control in cellulose and paper manufacture  
In the production of de-inked pulp, measuring devices are used to register spectral and/or physical characteristic values of a starting material. These values are then fed to a neural network, by...
6396582 Wavelength reference for laser  
The present invention includes a system and method for characterizing the wavelength of a beam of radiation using a known reference transition. The invention comprises a vapor including a material...
6392748 Radiation filter, spectrometer and imager using a micro-mirror array  
A spectrometer ( 10 ) includes a two-dimensional array of modulatable micro-mirrors ( 18 ), a detector ( 20 ), and an analyzer ( 22 ). The array of micro-mirrors is positioned for receiving...
6383824 Method of using scatterometry measurements to control deposition processes  
The present invention is directed to a method of using scatterometry measurements to control deposition processes, and a system for accomplishing same. In one embodiment the method comprises...
6381008 Method and system for identifying etch end points in semiconductor circuit fabrication  
Disclosed is a spectrometer system with unique wavelength resolution improving relative positioning of diffraction grating and detector. Also disclosed is a modified evolving windowed factor...
6373574 Linear variable filter spectrometer  
A produce data collector and produce recognition system which illuminates a produce item with substantially uniform light to enhance the accuracy of collected produce data and subsequent...
6373568 Spectral imaging system  
An imaging system is disclosed comprising an illuminator which produces illumination of any desired pure wavelength or of any selected mixture of pure wavelengths simultaneously, which illuminates...
6362879 High resolution non-scanning spectrometer  
An optical spectrometer includes an echelle array disposed in the path of a light signal so as to diffract the incident light signal. The light signal falls within a predetermined wavelength band...
6362878 Multipoint wavelength calibration technique  
Improved calibration of optical wavelength measuring instruments. In a first embodiment, improved calibration is achieved in an optical wavelength measuring instrument by performing calibration...
6362476 Optical spectrum analyzer wavelength non-linearity measurement system  
A measurement tool for assessing the wavelength linearity of an optical spectrum analyzer utilizes the linear skirt slope region of the included resolution bandwidth filter. The input wavelength is...
6334092 Measurement device and measurement method for measuring internal quality of fruit or vegetable  
A measurement device for measuring an internal quality of a fruit or vegetable with light is intended to be able to obtain the internal quality at higher speed and with accuracy. In the measurement...
6317203 Narrowband module inspection device  
A light that radiates in the wavelength region of a narrowband laser beam is generated, this light is converted to a collimated beam after passing through a slit, and the converted light is...
6310686 Raman probe with spatial filter and semi-confocal lens  
A material identification apparatus 10 uses a spectrograph and detector array detecting a Raman spectrum produced by a sample illuminated by a laser source to recognize a variety of materials. The...
6300613 Photodiode array with expanded dynamic range  
A charge balance type of photodiode array uses parallel A/D conversion in each channel of the photodiode array. The charge caused by the photocurrent of a photodiode in each channel is removed in...
6288841 Optical mechanism for precisely controlling the angle of an incident light beam within a large incident angle range  
An optical path overlapping type incident angle changeable optical mechanism according to the invention allows an incident light beam to be incident onto a measured range of a sample within a large...
H001979 Electronic streak camera  
An electronic streak camera is described which includes a housing enclosing an objective lens disposed along an optical axis for forming an image of optical radiation from an emissive body, a...
6268913 Method and combustor apparatus for sensing the level of a contaminant within a combustion flame  
A gas turbine combustor burns fuel from a fuel supply. The combustor includes a combustion chamber and a fuel delivery system for delivering the fuel to the combustion chamber. A pilot or fuel...
6268911 Monitoring of downhole parameters and tools utilizing fiber optics  
The present invention provides systems utilizing fiber optics for monitoring downhole parameters and the operation and conditions of downhole tools. In one system fiber optics sensors are placed in...
6266140 Corrected concentric spectrometer  
A high resolution aberration corrected concentric spectrometer (10) includes a convex diffraction grating (60) having a plurality of nonparallel lines. The curved lines of the convex grating (60)...
6249346 Monolithic spectrophotometer  
A micro spectrophotometer is monolithically constructed on a silicon substrate. The spectrophotometer includes a concave grating, which is used for dispersing optical waves as well as focusing...
6249341 Imaging and analyzing parameters of small moving objects such as cells  
Light from an object such as a cell moving through an imaging system is collected and dispersed so that it can be imaged onto a time delay and integration (TDI) detector. The light can be emitted...
6246471 Apparatus and method for measuring optical characteristics of an object  
Optical characteristic measuring systems and methods such as for determining the color or other optical characteristics of teeth are disclosed. Perimeter receiver fiber optics preferably are spaced...
6236457 Spectroscopic analysis  
Spectroscopic apparatus for sequentially detecting the presence of a plurality of elements in a sample. The apparatus includes a plurality of lamps (1a-1e) each of which is for detecting the...
6229604 Detector device to be used in atomic absorption spectroscopy  
The invention refers to a photoelectric detector device to be used in the atomic absorption spectroscopy. This device is characterized by a photo semiconductor array having a plurality of photo...
6226084 Calibration method  
The invention relates to a method of calibrating an optical system, the system comprising a flash lamp as a light source (4), a lens system (6), a monochromator comprising a grating (10), a motor...
6218194 Analytical methods and apparatus employing an optical sensor device with refractive index modulation  
A method for monitoring the interaction of molecular species utilizes a sensor device comprising a substrate (1) with a waveguide (2) formed on the surface thereof. A grating (3) is formed in one...
6184985 Spectrometer configured to provide simultaneous multiple intensity spectra from independent light sources  
A spectrometer for providing multiple, simultaneous spectra from independent light sources is described characterized in that light from the multiple sources is directed to different portions of a...
6181427 Compact optical reflectometer system  
A highly compact reflectometer system (10) for obtaining reflectance data and images from a sample (18). The reflectometer includes a light source (20) for generating a beam (Bi), a beam splitter...
6181418 Concentric spectrometer  
A concentric spectrometer which reduces stray light and re-entrant spectra within the spectrometer. The spectrometer includes a non-direct optical path between the entrance slit assembly and exit...
6160618 Hyperspectral slide reader  
An apparatus and method for analyzing samples on a slide comprising a slide mover positioned to hold a slide, a imaging spectrometer positioned in the path of light from the slide to split the...
6155489 Item checkout device including a bar code data collector and a produce data collector  
An item checkout device which combines a produce data collector with an optical bar code data collector. The item checkout device includes a housing, a bar code data collector within the housing,...
6151112 High-resolution, compact intracavity laser spectrometer  
In accordance with the present invention, a high-resolution, compact spectrometer is provided for dispersing wavelengths λ of an incoming beam for detection by a detector. The spectrometer...
6147761 Color sensor  
A sensor for measuring reflective, transmissive, or self-luminous samples, comprises a plurality of light sources, where each of the light sources emit light of a substantially different wavelength...
6138082 Standardizing between analytical instruments  
For conversion of spectral information of an FTIR spectrometric instrument for comparison with that of a dispersion instrument, a first standard function is selected for spectral line shape for the...
6137108 Instrument and method for spectroscopic analysis by reflectance and transmittance  
A probe for a spectrometer has a slot for receiving a sample, an illuminating fiber optic bundle directing light to the sample in the slot, and first and second collecting fiber optic bundles...
6128079 Fiber optic probe and system for measurement of moisture in steam turbines  
There is described a fiber optic probe and associated system for measuring light extinction due to forward scattering by steam droplets. A system is also described for analyzing the light...
6128078 Radiation filter, spectrometer and imager using a micro-mirror array  
A spectrometer (10) includes a two-dimensional array of modulatable micro-mirrors (18), a detector (20), and an analyzer (22). The array of micro-mirrors is positioned for receiving individual...
6122052 Computer operated spectrometric instrument and associated calculator  
A spectrometric instrument passes flashing light through a sample and has a linear detector operated by the computer to integrate signals for an established number of flashes to obtain an...
6118542 Method and apparatus for determination of a quality property of a piece of meat  
The invention relates to a method for determination of a quality property of a piece of meat. A light reflection measurement probe is inserted into a muscle of the piece of meat, while the muscle...
6118530 Optical scanning spectrometer  
A reference system for an optical wavelength scanner, used for measuring wavelengths of radiation from an optical device. The system utilizes a wavelength reference comprising a fixed fiber...
6118119 Spectral analyzer with wavelength and direction indicator  
A device for simultaneously determining the direction and wavelength of an incident light beam. The device includes a transparent block and a diffraction grating for diffracting the incident light...
6108083 Spectroscopic systems for the analysis of small and very small quantities of substance  
A spectroscopic system for the analysis of small quantities of substances makes use for the purposes of energy transfer of cone-shaped aperture changers which are arranged in the object zone...
6104488 Multi-octave spectroscopy with multi-waveband infrared focal plane array  
Spectra corresponding to overlapping grating orders are focused onto a multi-waveband focal plane array in order to create spectral images of a scene simultaneously in multiple wavelength regions....
6100975 Raman spectroscopy apparatus and method using external cavity laser for continuous chemical analysis of sample streams  
Raman spectrometer for analyzing the chemical composition of sample streams using an external cavity laser light source is disclosed. The laser provides an effective light source useful in...
6100974 Imaging spectrometer/camera having convex grating  
An imaging spectrometer has fore-optics coupled to a spectral resolving system with an entrance slit extending in a first direction at an imaging location of the fore-optics for receiving the...
Matches 301 - 350 out of 868 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >