Sign up


Match Document Document Title
6906797 Side light activated microfluid channels  
Devices are provided comprising reflecting channels for directing horizontally a vertical light beam through a multiplicity of streams. The devices provide particular applications in microfluidics,...
6903817 Method for optically detecting chemical species contained in condensed media  
A method for detecting chemical species present in a condensed medium including determining characteristic wavelengths and intensity values of back-scattered electromagnetic emission signals due to...
6903816 Mirror driving mechanism, and spectroscope and scanning laser microscope comprising mirror which is driven by mirror driving mechanism  
A mirror driving mechanism comprises a driver configured to drive at least one mirror which reflects a light flux while adjusting a wavelength width and a wavelength band of the light flux...
6900891 Optical sensors for the detection of nitric oxide  
Optical fiber sensors and fiberless optical sensors for measuring analytes, and in particular nitric oxide, are described utilizing metals, and more particularly, metal colloids. Proteins (or...
6900889 Submersible light-directing member for material excitation in microfluidic devices  
A system for material excitation in microfluidic devices is described. Aspects of the invention resemble a submerged periscope when in use. They allow for light to be redirected along a more...
6884624 Method for measuring the rate of cell reproduction by analysis of nanoliter cell samples  
A method of detecting cancer using a laser biocavity having a semiconductor laser including a microchannel through which cells in fluid traverse, comprising determining the laser wavelength of the...
6879394 Multi-photon imaging installation  
An installation is provided for multi-dimensional non-linear imaging of a material comprising intrinsic chromophores, using laser scanning. This installation comprises i) at least one source (115)...
6870627 System for directed molecular interaction in surface plasmon resonance analysis  
Disclosed is apparatus and method for controlled surface plasmon resonance analysis having a surface plasmon resonance sensor (200) with a derivatized surface plasmon layer (116) in optical...
6864975 Method of and system for analyzing a sample containing a plurality of fluorescent substances  
The present invention proposes a method of and system for analyzing samples (particularly, bio-samples), wherein the continuous spectrum white light pulse generated from an ultra-short optical...
6850323 Locally enhanced raman spectroscopy with an atomic force microscope  
An atomic force microscope (AFM) tip is used to selectively produce surface enhanced Raman scattering (SERS) for localized Raman spectroscopy. Spectra of thin films, undetectable with a Raman...
6847446 Chemical analysis and detection by selective adsorbent sampling and laser induced breakdown spectroscopy  
The present invention describes an apparatus capable of specific detection of environmental chemicals in water and air. The apparatus combines a specific chemical sampler, encompassing selectively...
6844963 Double-resonance-absorption microscope  
The present invention provides various embodiments of a double-resonance-absorption microscope which realizes a super-resolution by using double resonance absorption. In particular, a...
6833916 High efficiency, large field scanning microscope  
A fluorescent optical imaging system (10) produces two separate spots (S1 and S2) on a sample (12) by a pair of excitation laser beams (B1 and B2) that are generated by first and second lasers (L1...
6833915 Optical diagnosis system for small animal imaging  
Optical diagnosis system for small animal imaging, in which the animal which has been arranged on a bearing plate and treated with an activatable optical contrast medium is irradiated by an...
6825924 Dual peak wavelength tube, illuminator for inspection, inspecting apparatus, and method thereof  
The invention provides methods and apparatus for substrate inspection and other lighting applications. It includes an lighting apparatus 10 which comprises: an illuminator 12 including a light...
6816257 Method and apparatus for detecting microparticles in fluid samples  
A method and apparatus for detecting a fluorescent substance tagged to a microparticle are described. The device comprises a single capillary flow carrier system for transporting the microparticle...
6809811 Protective shield for an instrument probe  
A shield is disclosed that is particularly useful for protecting exposed optical elements at the end of optical probes used in the analysis of hazardous emissions in and around an industrial...
6809814 System and method for epi-detected coherent anti-stokes raman scattering microscopy  
Systems and methods are disclosed for detecting a coherent anti-Stokes Raman scattering (CARS) signal from a microscopic sample in an epi-direction. In an embodiment, the system includes at least...
6809813 Spectroscopic probe  
A spectroscopic probe includes a monolithic block (10) of transparent material and GRIN lenses (20, 22, 24). Light for illuminating a sample is delivered by an optical fiber (31), and light...
6809816 Measurement of fluorescence decay times  
Laser pulses from laser head 12 pass through objective lens 16 to a focal spot in sample spot 17. If a pulse hits a fluorophore molecule in the focal spot a fluorescence photon is emitted which is...
6806955 Method and apparatus for measuring fiber properties  
The invention relates to a fluorescence microscopy technique for measuring physical and chemical properties of individual fiber-like particles. Fluorescence intensity per unit length is shown to be...
6804000 Beam-steering of multi-chromatic light using acousto-optical deflectors and dispersion-compensatory optics  
Method and apparatus for steering a beam of light. The method and apparatus are based on the discovery that the spectral dispersion of multi-chromatic light pulses by an acousto-optical deflector...
6801595 X-ray fluorescence combined with laser induced photon spectroscopy  
A device and method for identifying the composition of a target sample. The target sample may be a matrix such as a metal alloy, a soil sample, or a work of art. The device includes an x-ray...
6798502 Microwave regime surface spectroscopy  
The nonlinear system includes a fixed visible input and tunable visible input that are directed to a location on a surface to be interrogated. The fixed visible input and the tunable visible inputs...
6795189 Universal microplate analyzer  
A universal microplate analyzer capable of carrying out measurements on samples contained in the wells of microplates by fluorescence, absorbance, luminescence employs at least two light sources...
6795179 Metal scrap sorting system  
A system for sorting randomly positioned, irregularly shaped scrap metal particles on a moving conveyor employs laser-induced breakdown spectroscopy (LIBS), and includes an image detector for...
6794670 Method and apparatus for spectrometric analysis of turbid, pharmaceutical samples  
The present invention relates to a method and an apparatus for use in performing a quantitative analysis of a turbid pharmaceutical sample, e.g. a tablet, a capsule or a similar sample forming a...
6788407 Laser interrogation of surface agents  
An apparatus for laser interrogation of surface agents moving relative to the apparatus. A receiver telescope includes a secondary reflector that may compensate for variations in distance from a...
6785302 Optical system in the ray path of a confocal fluorescence microscope  
The invention relates to an optical system in the ray path of a confocal fluorescence microscope, comprising at least one laser light source (1, 2), a device positioned in the...
6771368 Laser-induced ionisation spectroscopy, particularly for coal  
An apparatus for analyzing material, such as coal, comprises subjecting the coal (14) to laser light. The laser light is used to vaporize and ionize a small amount of the coal to produce spectral...
6770488 Practical method and apparatus for analyte detection with colloidal particles  
A colloidal system for detection of a variety of analytes involves techniques which permit reconstitution of a desiccated substance such as for surface enhanced Raman spectroscopic analysis and...
6766184 Methods and apparatus for diagnostic multispectral digital imaging  
Methods and apparatus for generating multispectral images of tissue. The multispectral images may be used as a diagnostic tool for conditions such as cervical cancer detection and diagnosis....
6762415 Vacuum chamber with recessed viewing tube and imaging device situated therein  
A vacuum chamber includes chamber walls separating a chamber interior and a chamber exterior, with one or more access ports defined in the chamber walls. A viewing tube extends from the chamber...
6762835 Fiber optic laser-induced breakdown spectroscopy sensor for molten material analysis  
A fiber optic laser-induced breakdown spectroscopy (LIBS) sensor, including a laser light source, a harmonic separator for directing the laser light, a dichroic mirror for reflecting the laser...
6762836 Portable laser plasma spectroscopy apparatus and method for in situ identification of deposits  
A portable Laser Plasma Spectroscopy (LPS) system and process is provided for performing in situ, near-real time, remote elemental analysis and identification of deposits or other foreign material...
6760105 Method and apparatus for inspecting DNA and method for detecting fluorescence  
A DNA sample added with a plurality of fluorescent marks is irradiated with excitation lights having a plurality of wavelengths and when fluorescence intensities are detected separately, the...
6755074 Liquid chromatographic method and system  
To economically perform preparatory chromatography, a plurality of pumps each having a corresponding one of a plurality of pistons and a corresponding one of a plurality of cylinders are driven by...
6753957 Mineral detection and content evaluation method  
A system and method for online, essentially instantaneous analyses of ore compositions on a moving belt use laser-induced break-down spectroscopy (LIBS), wherein intensity ratios of emission lines...
6750963 Imaging systems for signals on a surface  
Apparatus and methods are disclosed for imaging surfaces that comprise a sample. One embodiment of the present invention is an imaging apparatus comprising a holder for a surface, a light source...
6744503 Monitoring of vapor phase polycyclic aromatic hydrocarbons  
An apparatus for monitoring vapor phase polycyclic aromatic hydrocarbons in a high-temperature environment has an excitation source producing electromagnetic radiation, an optical path having an...
6741345 Method and apparatus for in-process liquid analysis by laser induced plasma spectroscopy  
A method and apparatus for spectrochemical analysis of liquids, including molten metals, using laser-induced plasma spectroscopy. The apparatus preferably comprises a high power pulsed laser...
6741347 Apparatus for laser flash photolysis  
An apparatus for flash photolysis has a light source and an optical fiber for directing light from the light source and through a sample. A laser or other such device is provided for initiating a...
6741344 Method and apparatus for detection of fluorescently labeled materials  
Fluorescently marked targets bind to a substrate 230 synthesized with polymer sequences at known locations. The targets are detected by exposing selected regions of the substrate 230 to light from...
6741346 Method for detecting fluorescence phenomena in microscope  
Process for detecting the phenomenon of fluorescence in a microscope, wherein the sample is irradiated by a modulated and/or pulsed laser light source, and the fluorescence is detected at least in...
6734963 Development of a compact Raman spectrometer for detecting product interfaces in a flow path  
The present invention relates to a method and apparatus for detecting transitions between different gas or liquid products in a flow path and, more particularly, it relates to an apparatus and...
6734423 Pulsed laser sampling for mass spectrometer system  
A mass spectrometer system comprising a laser and a mass spectrometer. The mass spectrometer has a vacuum interface that provides entrance of a gaseous sample into an extraction region of the mass...
6734965 Optical patternation method  
To measure property-specific distributions like surface area and mass concentrations, in a particle field that attenuates light passing therethrough, such as a spray or aerosol, a probe beam having...
6723554 Apparatus and method for measuring optical properties by feedback control  
The invention concerns an apparatus and a method for measuring at least one optical characteristic, which can include in particular turbidity (T), absorbance (A) and fluorescence (F), of a medium...
6717662 Arrangement for determining the position of a light source  
An arrangement for determining the position of a light source includes a light-sensitive detector device and an arrangement for casting a shadow onto part of the light of the light source shining...
6717667 Optical food oil quality sensor  
An instrument for measuring reliably and instantaneously the chemical quality of cooking oil, and for distinguishing between color changes due to chemical changes and color changes due to the...