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9041933 System and method for characterizing crude oil fractions  
A system for characterizing crude oil fractions includes a maltenes sample reservoir, a first solvent reservoir, a second solvent reservoir, and a third solvent reservoir. The system further...
9041932 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...
9018608 Optical sensor for detecting liquid  
An optical liquid sensor utilizing a light source, fiber optic cables, a light detector and an irregular transparent surface is provided to detect the presence of liquid in mist and continuous...
9013700 Variable path length photon trapping spectrometer  
A system and method of photon trapping spectroscopy to vary the path length of light for use in spectroscopy. The systems and method include a rotating reflector with slits for selectively...
9013701 Positioning an input transducer for an earpiece based upon dynamic data  
The attenuation and other optical properties of a medium are exploited to measure a thickness of the medium between a sensor and a target surface. Disclosed herein are various mediums,...
8964185 Gas detection system using a fiber laser with double-wavelength combination having reference-cavity compensation function  
A fiber laser gas detection system with a double wavelength combination using reference cavity compensation is provided. The system comprises an optical fiber laser respectively emitting beams...
8964184 Optical detector for a particle sorting system  
An optical system for acquiring fast spectra from spatially channel arrays includes a light source for producing a light beam that passes through the microfluidic chip or the channel to be...
8958072 Microphotometer  
A photometer has a light source, a sensor, a liquid-core light guide which defines an optical path between the light source and the sensor and through which a liquid to be analyzed can be guided,...
8936754 Automatic analysis device  
There is provided a high-accuracy automatic analysis device achieving both of measurement in a wide concentration range and high sensitivity at a low concentration. The signals of a plurality of...
8928884 Validation method for automated analyzers  
Method for validating the accuracy of automated analyzers by performing an improved dye method procedure that uses at least first and second dye solutions in combination with gravimetric...
8922777 Optical density sensor calibration and self fixing  
A method of calibrating an optical density sensor comprising calculating a first pigment solid density value of an ink solution using a current first electrical output signal value from a...
8922776 Confocal laser scanning microscope and a method for investigating a sample  
A confocal laser scanning microscope for examining a sample has a light source, which generates an illumination light beam, and a scanning unit which deflects the illumination light beam such that...
8908185 Coupling prism and optical detection system thereof  
The present invention provides a prism. The prism includes a lower surface, an upper surface, a first side surface and a second side surface. The first side surface and the second side surface are...
8902427 System for measuring properties of test samples in fluid  
A photometer for measuring photometric magnitudes in a liquid medium includes a housing adapted to be introduced into the medium for on-site measurements; and light-emitting measuring beam...
8896831 Method and device for the validation of contamination and cleaning in a system  
A method for the determination of the degree of contamination of an examination object, such as a system for filling liquid foodstuffs, or a component or subsection of a system, in particular a...
8885155 Combined light source photoacoustic system  
A physiological monitoring system may use photoacoustic sensing to determine one or more physiological parameters of a subject. The photoacoustic system may use two light sources (e.g., a high...
8879064 Apparatus and method for transporting an aerosol  
An apparatus can include ablation chamber body having a transmission window and defining an accommodation region configured to accommodate a target that is movable relative to the transmission...
8873057 Variable path length probe  
A probe having a probe head in which is formed an opening for receiving a sample to be analyzed, the head comprising a pair of optical interfaces disposed at an opposing inner surface of the...
8873060 Water-in-fuel sensor  
An uncoated polymer optical fiber (POF) that is sensitive to a chemical (e.g. water) and is used to generate a detectable change in its optical properties for the purpose of detecting that...
8867040 In-situ detection and analysis of methane in coal bed methane formations with spectrometers  
The invention subject of this disclosure teaches a method of determining a production factor for a carbonaceous material reservoir, the method comprising: providing a well in a carbonaceous...
8867039 Methods and apparatus to obtain suspended particle information  
Example methods and apparatus for obtaining suspended particle information are disclosed. A disclosed example method includes emitting light from a light source, dividing the light source into a...
8848190 Sensor for early detection of problems in algae cultures and related system and method  
A method includes measuring intensities of light passing through a sample of an algae culture at different wavelengths. The method also includes identifying, using the measured intensities, a peak...
8848188 Fluorescence measurement method and fluorescence measurement device  
In order to provide a fluorescence measurement method and a fluorescence measurement device that are provided by a simpler structure, and are more inexpensive and capable of measuring an amount of...
8842281 System and method for detecting the amount of stabilizer degradation in solid rocket propellant  
A spectrometric system, including: a solid rocket fuel; an illuminating source including at least two wavelengths within a spectral range from 100 nm to 200,000 nm, a first wavelength or range of...
8840839 Hydrogel based device for detecting an environmental state  
A transducer device for detecting an environmental state within a biological material including a channel comprising a fluid, a hydrogel material, which is adapted to change its volume when...
8834720 Apparatus for the extracorporeal treatment of blood  
Apparatus and methods for the extracorporeal treatment of blood are described. The apparatus includes a dialyzer which is separated into a first and second chamber by a semipermeable membrane,...
8830450 Methods and systems for Raman and optical cross-interrogation in flow-through silicon membranes  
Cross-interrogating photonic detection systems and methods are shown. A flow through photonic crystal membrane with a surface enhanced Raman scattering (SERS) substrate is provided with pores...
8823941 Detection device  
A detection device includes a flow channel for a fluid sample, a suction section adapted to draw the fluid sample into the flow channel, an optical device disposed in the flow channel, a light...
8798951 Systems and methods for performing measurements of one or more materials  
Systems and methods for performing measurements of one or more materials are provided. One system is configured to transfer one or more materials to an imaging volume of a measurement device from...
8797536 Portable digital reader for urinalysis  
The present invention relates to a portable digital reader for reading an analysis target chip including a plurality of test areas. The reader comprises: a light emitting section having light...
8767211 Process for the selective determination of oil mist or aerosols  
An automated analysis method for an impactor used as a measuring transducer for the selective determination of oil mist or aerosols. The process includes the steps of rotating the deflector plate...
8760657 In-situ detection and analysis of methane in coal bed methane formations with spectrometers  
Disclosed is a system for measuring a chemical in a subsurface formation comprising housing component traversable within the well, a guide extending down the well from a fixed location being...
8736842 Actuation and evaluation circuit, measuring device and method for measuring the concentration of a gas  
The invention relates to an actuation and evaluation circuit for a laser diode (1) and a photodiode (3) for determining the concentration of a gas. The laser diode can generate light in the range...
8730479 Detection system for droplet-based assays  
System, including methods and apparatus, for light detection and signal processing for droplet-based assays. An exemplary system provides a method of detection for droplets. An examination region...
8717569 Apparatus and method for improved optical detection of particles in fluid  
A number of fluidic-photonic devices for allowing optical detection, systems employing such devices, and related methods of operation and fabrication of such devices are disclosed herein. In at...
8717568 Analyzing particle quantity and/or distribution within an assay analysis system  
Methods, storage mediums and systems (MS&S) are provided which successively image an imaging region of an assay analysis system (AAS) as particles are loaded into the imaging region, generate a...
8711353 Fluid-borne particle detector  
There is disclosed improved apparatus and methods for detection of shape, size and intrinsic fluorescence properties of a fluid borne particle wherein the apparatus comprises a laser, two light...
8705037 Liquid densitometer  
A liquid component concentration meter measures the concentration of a liquid in a liquid supply tube from outside the liquid supply tube. The concentration meter includes a liquid supply tube; a...
8687184 Reference cell  
Reference cell (8) for use with a fiber optic probe (1) comprising a base wall (11), upstanding walls (12) each having an optical window (13, 15), and a top wall (14) having a further optical...
8687195 Optical measurement apparatus and chip lifetime judgment method  
An optical measurement apparatus including a light irradiation portion configured to irradiate light onto a sample flowing through a flow path in a detachable chip; a light detection portion...
8681335 Fluid stream imaging apparatus  
A fluid stream imaging apparatus having either optics for manipulating the aspect ratio or sensing elements configured for manipulating the aspect ratio of an image of the fluid stream. This...
8681215 Method and particle analyzer for determining a broad particle size distribution  
A method and a particle analyzer are provided for determining a particle size distribution of a liquid sample including particles of a lower size range, particles of an intermediate size range,...
8681334 Measurement method  
A method for quantifying the soil dispersion capacity of a cleaning product or component thereof where the method comprises the following steps: a) making a solution comprising the cleaning...
8665441 Densitometer for measuring an optical characteristic of a fluid  
A device and method for measuring an optical characteristic of a fluid. The device, typically a densitometer includes a set of optical elements that include a light source, a collimating lens, a...
8659758 Laser based cavity enhanced optical absorption gas analyzer with laser feedback optimization  
Optical feedback assisted cavity enhanced absorption spectroscopy systems and methods for measuring trace gases with improved long-term stability and reproducibility include a laser coupled with a...
8659759 Laser based cavity enhanced optical absorption gas analyzer  
Cavity enhanced absorption spectroscopy systems and methods for detecting trace gases. When the frequency of laser light approaches the frequency of a resonance cavity mode, the laser begins to...
8649012 Optical gas sensor  
An optical gas sensor with a light-emitting diode (2), a photosensor (8), a measuring section between the light-emitting diode and the photosensor, and a control and analyzing unit (16), which is...
8647272 Non-invasive scanning apparatuses  
Systems and methods for non-invasively scanning and analyzing one or more characteristics of a sample utilizing electromagnetic radiation are described. More particularly, the systems and methods...
8647273 Non-invasive weight and performance management  
Systems and methods for weight and performance management are described. More particularly, an embodiment relates to a system and method of employing a non-invasive, real-time, continuous blood...
RE44728 In-situ detection and analysis of methane in coal bed methane formations with spectrometers  
A measuring system for in-situ measurements down a well (1) by a spectrometer (4) is provided. The spectrometer (4) includes a radiation source (5) and a detector (6). A probe (15) optically...