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US20140377715 Contactless Dental Device  
A contactless dental device for determining tooth colors includes illuminating means for illuminating with ambient illumination light a tooth to be examined. At least one color sensor for...
US20130321813 System and Method for Assessing Tissue Oxygenation Using a Conformal Filter  
A portable system and method for analyzing biological tissue samples and detecting analytes associated with tissue oxygenation using a conformal filter. A conformal filter, which may comprise a...
US20130021611 Measuring Optical System, And Color Luminance Meter and Colorimeter using the Same  
In a measuring probe (40) according to the present invention, measuring light is split into a two or more through a split optical system (12), and, when each split light is received by a...
US20110298766 LIGHT SENSING DEVICE HAVING A COLOR SENSOR AND A CLEAR SENSOR FOR INFRARED REJECTION  
A light sensing device has a first filter to block visible light in a light path. The light sensing device also has a first color sensor and a clear sensor, to detect light in the light path after...
US20140022549 SPECTROMETER  
Provided is a spectrometer capable of separating a particular wavelength component from light including a plurality of wavelength components by means of a small, simple configuration. The...
US20140320858 LOW-COST SPECTROMETRY SYSTEM FOR END-USER FOOD ANALYSIS  
A compact spectrometer is disclosed that is suitable for use in mobile devices such as cellular telephones. In preferred embodiments, the spectrometer comprises a filter, at least one Fourier...
US20100309471 DEVICE AND PROCESS TO MEASURE WATER CLARITY AND ORGANIC CONTENT  
A sensor array comprises a first blue sensor and a second blue sensor; and a first green sensor and a second green sensor, wherein the blue sensors have a filter that only passes blue light, and...
US20140268155 AWG Filter for Wavelength Interrogator  
A wavelength interrogator is coupled to a circulator which couples optical energy from a broadband source to an optical fiber having a plurality of sensors, each sensor reflecting optical energy...
US20120281216 APPARATUS AND METHOD FOR INCREASING COLLECTION EFFICIENCY IN CAPILLARY BASED FLOWCYTOMETRY  
In a particle analyzing apparatus including a capillary for passing through a fluid containing particles to be analyzed, an optical system is employed to collect fluorescent light emitted from...
US20130176568 Conformal Filter and Method for Use Thereof  
A system and method for detecting analytes using a conformal filter. A conformal filter, which may comprise a tunable filter, is configured to filter interacted photons conforming to a spectral...
US20140071450 Wavelength-Tunable Detector For Label-Independent Optical Reader  
A wavelength-tunable detector for use in a label-independent optical reader for reading at least one resonant waveguide grating (RWG) biosensor is disclosed. The wavelength-tunable detector...
US20080018898 Minimizing Effects of Dye Crosstalk  
Methods and systems for processing signals to minimize the effects of dye crosstalk. Deconvolution of multiplexed dye signals can include corrections for residual error determined from...
US20120188546 Method and Apparatus for the Stabilization of Spectrometric Transducers  
The invention provides a method for stabilising a spectrometric transducer for an optical spectrum measuring instrument by obtaining an instantaneous central wavelength of a thermally controlled...
US20110080587 Method and Apparatus for the Stabilization of Spectrometric Transducers  
The invention provides a method for stabilising a spectrometric transducer for an optical spectrum measuring instrument by obtaining an instantaneous central wavelength of a thermally controlled...
US20090051918 OPTICAL SAMPLING APPARATUS  
Provided is an optical sampling apparatus that samples light to be measured having a pulse waveform, including a sampling light output section that outputs a first sampling light and a second...
US20110026029 DISCRIMINATION FILTERING DEVICE, DISCRIMINATION METHOD OF OBJECT, AND DESIGNING METHOD OF FILTERS FOR DISCRIMINATION FILTERING DEVICE  
A discrimination filtering device includes a filter and a filter having different pass bands, a detection unit, a processing unit, and a result output unit. The detection unit detects an...
US20140268146 LENSLET ARRAY WITH INTEGRAL TUNED OPTICAL BANDPASS FILTER AND POLARIZATION  
A spectral radiation detector employs at least one lenslet with a circular blazed grating for diffraction of radiation at a wavelength at nth order to a focal plane A detector is mounted at the...
US20090116015 Analysis of Optical Data with the Aid of Histograms  
A system for determining the concentration of an analyte in a liquid sample comprising a detection unit for detecting light intensities which are radiated from subareas of a detection area of a...
US20080309921 Spectrophotometer  
Embodiments of a spectrophotometer and methods of use a spectrophotometer are disclosed.
US20070222992 Color identifying device for identifying colors of reaction surfaces produced by chemical reaction and gas identifying device  
A color identifying device includes a mount block, a color detector, a lens and a color identifier. A reactive board having a plurality of surfaces to be measured in respective predetermined...
US20120293803 SPECTRAL ESTIMATION PARAMETER GENERATION DEVICE, METHOD OF GENERATING SPECTRAL ESTIMATION PARAMETER, AND SPECTRAL ESTIMATION DEVICE  
A device measures a spectral distribution with respect to each of a plurality of color charts, sets default values to band specification data, and computes a camera output signal based on spectral...
US20140285807 WAVELENGTH MONITOR AND WAVELENGTH MONITORING METHOD  
The transmittance of a filter periodically varies with respect to the incident light frequency. Provided that fk is the sum of Fk and vk, or the difference obtained by subtracting Fk from vk,...
US20140240711 MEASUREMENT DEVICE  
A spectrometry device includes a wavelength-tunable interference filter that is provided with a stationary reflection film, a movable reflection film and an electrostatic actuator which changes a...
US20140354996 TUNABLE ELECTRO-OPTIC FILTER STACK  
A holographic polymer dispersed liquid crystal (HPDLC) tunable filter exhibits switching times of no more than 20 microseconds. The HPDLC tunable filter can be utilized in a variety of...
US20120147380 VARIABLE WAVELENGTH INTERFERENCE FILTER, OPTICAL MODULE, AND OPTICAL ANALYSIS DEVICE  
A wavelength-variable interference filter includes first and second electrodes provided at first and second substrates, respectively, the second substrate including a movable section, first and...
US20110098957 MEASUREMENT APPARATUS AND METHOD FOR RAPID VERIFICATION OF CRITICAL OPTICAL PARAMETERS OF A VIEWING DISPLAY DEVICE SCREEN AND VIEWING ENVIRONMENT  
A hand held measurement apparatus and method for in situ optical analysis of a specific display screen or viewing box and associated ambient light environment is disclosed. The apparatus uses a...
US20110049340 WAVELENGTH SPECTROSCOPY DEVICE WITH INTEGRATED FILTERS  
The invention relates to a wavelength spectroscopy device comprising, on a substrate SUB, a filter module made up of two mirrors MIR1, MIR2 that are spaced apart by a spacer membrane SP. The...
US20130162999 Classification Using Multivariate Optical Computing  
Methods for in situ detection and classification of analyte within a fluid sample are provided. In one embodiment, the method can include: (a) continuously flowing the fluid sample through a...
US20140218736 SYSTEM AND METHOD FOR OPTICAL MEASUREMENT OF A TARGET  
The invention relates to a system and a method for optical measurement of a target, wherein the target is illuminated, either actively illuminated, reflecting ambient light, or self illuminating,...
US20060290933 System and method for monitoring plant conditions  
A system and method of monitoring plant conditions is disclosed where an optical element is enabled to collect incident light reflected from a plant, an optical bandpass filter is enabled to...
US20110195531 APPARATUS AND METHOD FOR EVALUATING OPTICAL PROPERTIES OF LED AND METHOD FOR MANUFACTURING LED DEVICE  
An optical property evaluation apparatus includes: a light conversion filter converting light emitted from an LED chip or a bare LED package, which is to be evaluated, into a different wavelength...
US20120050741 Optical Sensing System Including Electronically Switched Optical Magnification  
Disclosed is an exemplary optical sensing system including at least one light source for emitting light in a first wavelength range and light in a second wavelength. An image sensor is provided...
US20130057865 APPARATUS AND METHOD FOR MEASURING AN ANALYTE SUCH AS BILIRUBIN, USING LIGHT  
An analyte measuring device (5) for monitoring, for example, levels of a tissue analyte (e.g., bilirubin), includes a number of narrow band light sources (10), each narrow band light source being...
US20120147373 OPTICAL UNIT  
An optical unit is provided with a filter member (1) that disperses transmitted light and a photodetector (2) that has a plurality of light receiving elements. The filter member (1) is provided...
US20050002028 Time resolved emission spectral analysis system  
A system for temporal and spectral resolved detection of photon emission from an integrated circuit is disclosed. A DUT is stimulated by a conventional ATE, so that its active devices emit light....
US20100091286 Filter Design for Colorimetric Measurement  
A color detector includes a light source configured to generate light with a spectrum of wavelengths; a plurality of filters in optical communication with the light source, wherein each filter is...
US20100027010 VARIABLE SPECTROSCOPY DEVICE  
Desired spectral characteristics are attained by making reflection films close enough. A variable spectroscopy device (1) has a pair of optical substrates (2, 3) opposing each other with an...
US20140218735 COLORIMETRY METHOD AND COLORIMETRY APPARATUS  
An imaging section that detects the amount of light separated by a wavelength tunable interference filter to acquire a spectroscopic image (imaging device and light amount acquisition section)...
US20120146517 High Spectral Resolution Color Sensor Using Non-Dispersive Elements  
The invention describes a light sensor (1) comprising a filter arrangement (11), which filter arrangement (11) comprises a number of spectral filters (F1, F2, . . . , Fn) for filtering incident...
US20140145084 OPTICAL MEASURING DEVICE  
In an optical measuring device, the visual observation section includes: a white light source which emits white light; a first objective lens arranged between the white light source and...
US20070222993 Filter Unit Having a Tunable Wavelength, and an Arrangement with the Filter Unit  
A filter unit (10) for filtering light comprising a first mask (3) with first cavities, a prism unit (7) and a second mask (8) with second cavities. The prism unit (7) is located between the two...
US20130293893 METHODS AND SYSTEMS FOR CHEMICAL COMPOSITION MEASUREMENT AND MONITORING USING A ROTATING FILTER SPECTROMETER  
The invention relates to methods and systems for measuring and/or monitoring the chemical composition of a sample (e.g., a process stream), and/or detecting specific substances or compounds in a...
US20140160478 METHOD AND SYSTEM FOR CORRECTING MEASUREMENT DIFFERENCE OF TRANSMITTANCE FREQUENCY SPECTRUM OF COLOR FILTER  
The present disclosure provides a method for correcting a measurement deviation of a transmittance frequency spectrum of a color filter. With the standard measuring data of transmittance frequency...
US20140071451 SYSTEM AND METHOD FOR OPTICAL MEASUREMENT OF A TARGET AT MULTIPLE POSITIONS  
The invention relates to a system and a method for optical measurement of a target, wherein the target is illuminated, either actively illuminated, reflecting ambient light, or self illuminating,...
US20130070247 SPECTROSCOPIC MEASUREMENT DEVICE, AND SPECTROSCOPIC MEASUREMENT METHOD  
A spectroscopic measurement device includes a variable wavelength interference filter having a stationary reflecting film, a movable reflecting film, and an electrostatic actuator adapted to vary...
US20140192359 ANALYZERS WITH TIME VARIATION BASED ON COLOR-CODED SPATIAL MODULATION  
A filter arrangement can transmit and/or reflect light emanating from a moving object so that the emanating light has time variation, and the time variation can include information about the...
US20110222062 ANALYZERS WITH TIME VARIATION BASED ON COLOR-CODED SPATIAL MODULATION  
A filter arrangement can transmit and/or reflect light emanating from a moving object so that the emanating light has time variation, and the time variation can include information about the...
US20090051897 Method and Apparatus for Identifying and Characterizing Objects based on Fluorescence  
A method and apparatus for characterizing objects. The method includes the steps of illuminating the object with incident red light having at least some wavelengths between 620 nms and 650 nms and...
US20140253917 OPTICAL RESONATOR FOR SENSOR ARRANGEMENT AND MEASURING METHOD  
A sensor arrangement including a light source, a first optical element, a second optical element, a first photo detector, and a second photo detector. The light source is optically coupled to the...
US20120187849 Spectral Detection Device for Detecting Spectral Components of Received Light  
The present invention relates to a spectral detection device (100) for detecting spectral components of received light, wherein the spectral detection device (100) comprises a filtering structure...
Matches 1 - 50 out of 106 1 2 3 >