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7079240 |
Photonic crystal laser sources for chemical detection
A system, method and apparatus provide the ability to detect a chemical in an analyte. To detect the chemical, the invention utilizes a laser having an open cavity. A photonic crystal lattice...
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7070920 |
Screening arrangment for screening immunoassay tests and agglutination tests
A screening device for performing an immunoassay test to detect the presence of a compound in a body fluid. The device includes a holder for removably receiving a membrane to which the fluid has...
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7068367 |
Arrangement for the optical detection of a moving target flow for a pulsed energy beam pumped radiation
The invention is directed to an arrangement for the optical detection of a moving target flow for pulsed energy beam pumped radiation generation based on a plasma. It is the object of the invention...
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7068357 |
Near infrared chemical imaging microscope
A chemical imaging system is provided which uses a near infrared radiation microscope. The system includes an illumination source which illuminates an area of a sample using light in the near...
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7064824 |
High spatial resoulution imaging and modification of structures
In a method of high spatial resolution imaging or modifying a structure, the structure is marked with a substance which is selected from the group of substances which can be transferred from a...
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7064825 |
Methods and apparatus for evaluating rotary machinery
A method for determining a useful life applied to a coating on a surface of a component coupled to a rotatable member of a rotary machine. The method includes directing a laser across a surface of...
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7063952 |
Masking background flourescence and luminescence in optical analysis of biomedical assays
In a process for the quantitative optical analysis of fluorescently labelled biological cells 5, a cell layer on a transparent support at the bottom 2 of a reaction vessel 1 is in contact...
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7064827 |
Optical tracking and detection of particles by solid state energy sources
A particle detector has a chamber defining a pathway that a target particle follows between an entry and an exit point, a solid-state energy source such as an LED, and a re-emission sensor. The...
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7059766 |
Optical device and method for the non-intrusive measuring of the temperature of a flowing liquid
An optical method, and an optical device based on a laser source for implementing an optical method, for nonintrusively measuring the temperature of a flowing liquid by using the fluorescence...
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7062311 |
Fluorescence observing apparatus
A fluorescence observing apparatus including a light source for emitting excitation light, an excitation light irradiation section for irradiating the excitation light to a sample, and a...
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7057712 |
Analysis systems detecting particle size and fluorescence
Particle analyzing systems with fluorescence detection are disclosed, primarily in connection with particle sizing based on scattered light intensity or time-of-flight measurement. In one system,...
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7038193 |
Method and device for separating different emission wavelengths in a scanning microscope
A method for separating different emission wavelengths in a scanning microscope includes scanning a specimen with an illuminating light beam by passing the illuminating light beam over the specimen...
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7038768 |
Optical measuring method for semiconductor multiple layer structures and apparatus therefor
In a measuring apparatus for a semiconductor multiple layer structure, a spectrometer disperses light from a sample for measurement of the photoluminescence spectrum or disperses probe light to...
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7027150 |
Apparatus for measuring the concentration of a species at a distance
Corrosion of refractory silica brick and air quality issues due to particulate emissions are two important glass manufacturing issues that have been tied to sodium vapor and its transport...
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7022515 |
Waveguide immunosensor with coating chemistry and providing enhanced sensitivity
Methods and apparatus for evanescent light fluoroimmunoassays are disclosed. The apparatus employs a planar waveguide and optionally has multi-well features and improved evanescent field intensity....
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7019830 |
Process and apparatus for qualitative and quantitative analysis of an analyte
A process for qualitative and quantitative analysis of an analyte in a solution includes irradiating a first chromophore with an electro-magnetic radiation while simultaneously moving an...
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7019831 |
Separation device substrate including non-fluorescent quencher dye
A device is provided for the analysis of samples. The device includes a plurality of sample-containment features and a non-fluorescent quenching material for minimizing cross-talk between optical...
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7015485 |
Laser scanning microscope, semiconductor laser light source unit, scanning unit for a laser scanning microscope, and method of connecting semiconductor light source to scanning microscope
A laser scanning microscope according to the present invention is a laser scanning microscope which scans a laser beam on a sample by a scanning optical system in a scanning optical system main...
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7016035 |
Fiber optical apparatus and system for in situ laser plasma spectroscopy
In in-situ laser plasma spectroscopy (LPS) apparatus includes an enclosure for housing a laser energy source and associated signal coupling optics. A main fiber is attached to the enclosure at a...
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7016523 |
Method for observing object by projection, method for detecting microorganisms and projection detecting system
Fast microbial detection is accomplished by identifying quantities of microorganisms accurately and easily. A cell 5 is placed on a loading portion. A coherent laser beam source 2 emits laser...
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7012687 |
Spectral analysis with evanescent field excitation
An apparatus includes an optical fiber and a light collection device. The optical fiber has an untapered segment and a down-tapered segment. The light collection device has an optical aperture that...
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7009699 |
Method for investigating a sample
A method for investigating specimens, wherein a spectral splitting of the radiation coming from the specimen is carried out for specimen points or point distributions, for the operation of a laser...
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7006216 |
Device for the chemical analysis of material samples and metallurgical vessel therefor
A device for the chemical analysis of solid or molten material samples, based on laser-induced emission spectroscopy, including a laser source generating a laser beam, a deflection device...
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6998598 |
Modular optical detector system
A modular optical detector system. The detector system is designed to detect the presence of molecules or molecular species by inducing fluorescence with exciting radiation and detecting the...
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6992762 |
Method and apparatus for time resolved optical imaging of biological tissues as part of animals
There is provided a method and system for collecting optical data for use in time resolved optical imaging wherein light is directionally propagated through free-space optics to impinge on a...
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6992303 |
Detecting emitters of electromagnetic radiation, in particular fluorophore labeled substances
The performance of devices for the detection of fluorophore labelled substances in an electrophoretic separation medium is improved by rescanning lines or pixels which caused saturation of an...
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6987564 |
Automatic correction for continuum background in laser induced breakdown and Raman spectroscopy
The approximation of a spectral continuum by determining a plurality of minima in the spectral data; splitting the spectral data into a predetermined number of groups N; for each group of spectral...
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6987568 |
Apparatus and method for measuring spatially varying bidirectional reflectance distribution function
An apparatus and method for measuring spatially varying bidirectional reflectance distribution function and method are provided. The apparatus and method provide means to illuminate different areas...
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6980294 |
Biomolecule analyzer
A biomolecule analyzer of the present invention analyzes dynamic behaviors of biomolecules, and comprises image obtaining means for obtaining an image corresponding to at least one observation area...
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6979830 |
Optical architectures for microvolume laser-scanning cytometers
Methods and instrumentation for performing charge coupled device (CCD)-based confocal spectroscopy with a laser spot array are provided. The methods and instruments of the invention are useful in...
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6975394 |
Method and apparatus for measuring the lifetime of an excited state in a specimen
An apparatus for measuring the lifetime of an excited state in a specimen is disclosed. The apparatus comprises an electromagnetic energy source ( 1 ) that emits light ( 3 ) of one wavelength. Also...
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6970246 |
Method and apparatus for detecting fluorescence of a sample
The present invention relates to an apparatus and a method for detecting the fluorescence of a sample, wherein the apparatus comprises excitation light source located on the same side of the sample...
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6963398 |
Laser scanning microscope
The laser scanning microscope comprises an objective focusing a laser beam on a sample, and takes fluorescence or reflected light from the sample, optical scanning means for scanning the laser beam...
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6958813 |
Plume detector
Provided is a photodetector that detects missile launches from an above-flying surveillance platform through clouds. The plume detector includes a passive electro-optical sensor which detects the...
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6956646 |
Direct method for the correction of pressure induced scrambling of polarized fluorescence intensities
The present invention provides a simple and direct method for the simultaneous correction of steady-state polarized fluorescence intensities, depolarized (or scrambled) by the effects of applied...
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6956647 |
Method for operating a laser scanning confocal microscope system and a system thereof
A method for operating a confocal microscope system includes deflecting a light beam on a specimen with at least one beam deflection device. The position of the light beam is stepped with at least...
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6952259 |
Method of detecting the presence of a liquid in a mix
The invention relates to a method of detecting the presence of a liquid introduced into a mix of constituents. The method comprises the following steps:
excitation of the mix by a light...
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6952008 |
Fluorescence detection with increased dynamic range
The light detection system includes at least two light detection elements. Each element is responsive to a selected light color in a first mode, and each element has a different sensitivity and is...
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6947134 |
Method and instrumentation for measuring fluorescence spectra of individual airborne particles sampled from ambient air
A Fluorescence Particle Spectrometer (FPS) performs real-time measurement of the fluorescence spectra of aerosol particles in the size range 1-10 μm diameter. The FPS has a sufficiently high...
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6924138 |
Single-and multi-mode configurations for fiber-optic-coupler biosensors
Single-mode and multi-mode fibers to achieve modal splitting and greater sensitivity in an optical fiber coupler for evanescent-wave biosensor applications. A source of light having multiple modes...
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6914720 |
Time resolved fluorescence microscope
A time-resolved fluorescence microscope having high spatial and time resolution. Fluorescence from a sample 26 mounted on a confocal inverted optical microscope 19 and excitation laser light...
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6914668 |
Personal identification verification and controlled substance detection and identification system
A personal identification and security system including a personal identification verification system, a controlled substance detection and identification system and an alarm indicator responsive...
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6911344 |
Composite waveguide for solid phase binding assays
A step-gradient composite waveguide for evanescent sensing in fluorescent binding assays comprises a thick substrate layer having one or more thin film waveguide channels deposited thereon. In one...
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6909505 |
Method and apparatus for molten material analysis by laser induced breakdown spectroscopy
An apparatus and a method are disclosed for use with Laser Induced Breakdown Spectroscopy (LIBS) systems that can be applied to the real time analysis of molten materials or liquid. Since it is...
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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,...
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6907149 |
Compact optical measurement probe
A remote optical measurement suitable for Raman and fluorescence detection uses one or more dielectric components and an optical configuration which affords significant miniaturization, in some...
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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...
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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...
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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...
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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...
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