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Methods

Methods patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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Luminophor Irradiation > Methods



High resolution light microscope
12/18/14 - 20140367590 - The present invention relates to an apparatus for the optical analysis of a sample, also referred to as microscope, which is configured for an optical analysis process having high resolution for the detection of fluorescent molecules. The apparatus and the process applied when using the apparatus are configured for excitation...

Multicolour excitation module for a multiphoton imaging system and associated method and system
12/18/14 - 20140367591 - A module is provided for a multi-photon imaging system for simultaneously exciting chromophores of a specimen. A first femtosecond laser source emits a first pulsed excitation beam having a repetition rate 1/T and a wavelength λ1 exciting a first chromophores, the absorbed photons originating from the first excitation beam. A...

Method for inspecting polysilicon layer
12/04/14 - 20140353523 - A method for inspecting a polysilicon layer includes: radiating excitation light to the polysilicon layer; and detecting a photoluminescence signal generated by the excitation light, wherein average power of the excitation light has a range of 1 W/cm2 to 10 W/cm2, and peak power of the excitation light has a...

System and method for dense-stochastic-sampling imaging
12/04/14 - 20140353524 - Embodiments of the present invention are directed to imaging technologies, and, in particular, to an imaging system that detects relatively weak signals, over time, and that uses the detected signals to determine the positions of signal emitters. Particular embodiments of the present invention are directed to methods and systems for...

Fluorescing gel formulations and their applications
11/27/14 - 20140346371 - Fluorescing gel formulations are disclosed for monitoring cleaning of a surface. The fluorescing gel formulations are stable, fluoresce under UV light, and do not leave a mark after drying and removal. The compositions include an oppositely charged complexing agent which is used in combination with an anionic or cationic optical...

Devices and methods for spectroscopic analysis
11/20/14 - 20140339438 - The present invention relates to devices and methods for spectrometric analysis of light-emitting samples. The device comprises a particle beam source, which generates a primary particle beam directed to the sample in such a way that the primary particle beam is incident on the sample and photons are released from...

Method for high-resolution 3d localization microscopy
11/20/14 - 20140339439 - A method for high-resolution 3D localization microscopy, in which sample is used which has a boundary surface on the imaging side. The sample is illuminated with excitation light in order to excite fluorescence markers to emit light. The sample is imaged to a still image along an imaging direction, by...

Method of detecting thalassemia by optical analysis of blood components
11/13/14 - 20140332697 - The method of detecting thalassemia by optical analysis of blood components is a spectral detection method that is based on the fluorescence spectra of a set of biomolecules, including tyrosine, tryptophan, nicotinamide adenine dinucleotide, and flavin adenine dinucleotide, which are all found in blood plasma, and porphyrin, which is found...

Axial illumination for capillary electrophoresis
11/06/14 - 20140326898 - System and method for fluorescent light excitation and detection from samples to enhance the numerical aperture and/or reduce the cross-talk of the fluorescent light....

Particulate compositions having plural responses to excitation radiation
11/06/14 - 20140326899 - A particulate composition comprises a plurality of particles wherein at least one of the particles comprises at least two different crystalline and/or glass phases, each phase comprising a host lattice and a dopant sensitive to electromagnetic radiation. The different phases simultaneously produce different responses on exposure to photons of the...

Pulsed stimulated emission luminescent photovoltaic solar concentrator
10/30/14 - 20140319377 - A solar concentrator comprising: a light-transmissive sheet including: a plurality of luminescent particles capable of becoming excited by absorbing light within at least a first spectrum of absorption frequencies and, once excited, capable of being stimulated to emit light having a spectrum within at least a first spectrum of emission...

Optical fluorescence-based chemical and biochemical sensors and methods for fabricating such sensors
10/30/14 - 20140319378 - An optical fluorescence-based sensor comprising at least one sensing element is disclosed. In one aspect, the at least one sensing element comprises a waveguide comprising a waveguide core, a light source optically coupled to an input part of the waveguide core, and a photodetector optically coupled to an output part...

Mapping volumes of interest in selected planes in liquid samples
10/30/14 - 20140319379 - A method and apparatus for three dimensional fluorescent analysis of a target in a liquid sample having fluorescent analyte as a target substance or fluorescent label on the target substance. A rotating carousel carries liquid samples beneath a beam having a beam spot at a horizontal plane of the sample....

Fluorescence imager on a mobile device
10/23/14 - 20140312247 - Systems and methods for substantially simultaneously exciting a fluorescently labeled specimen and capturing fluorescent light emitted therefrom using a smartphone, tablet, or similar mobile computing device, are disclosed herein. The system includes a light-emitting diode (“LED”) light source coupled with the smartphone to excite the specimen and an imaging device...

Articles containing non-visible identifying marks formed from nanomaterials and methods utilizing the same
10/23/14 - 20140312248 - Identifying marks are often used for authentication and tracking purposes with various types of articles, but they can sometimes be subject to replication or removal by an outside entity, such as a person or group having malicious intent. Carbon nanotubes and other carbon nanomaterials can be used to form identifying...

Method and apparatus for determining a relaxation time dependent parameter related to a system
10/16/14 - 20140306125 - A method for determining at least one parameter related to a system is disclosed, wherein the at least one parameter depends on at least one relaxation time of the system. The system is excited by a first series of electromagnetic excitation pulses, exhibiting a first defined time gap between consecutive...

Method and apparatus for aligning measured spectral radiance factors among different instruments
10/09/14 - 20140299787 - Aligning measurements of fluorescent spectral radiance factors taken by a first instrument with measurements of fluorescent spectral radiance factors taken by a second instrument, without knowledge of the matrix of bispectral luminescent radiance factor of any sample, includes obtaining a fluorescent spectral radiance factor of a reference sample, measured by...

Test method for an escape route marking
10/02/14 - 20140291549 - a characteristic curve Kt1 (BiL) depending upon the charging time t1 specifies what afterglow time emerges for the escape path marking with the charging time t1 for the charging irradiance (BiL)....

Flow cytometer systems and associated methods
10/02/14 - 20140291550 - A flow cytometer system for algal cells includes a flow cell having an interrogation region, a long wavelength illuminator for illuminating algal cells entering the interrogation region, and a short wavelength illuminator for exciting fluorescence within the algal cells. The system also includes one or more photodetectors for measuring the...

Methods and systems for detecting and quantifying petroleum oil based on fluorescence
10/02/14 - 20140291551 - Described herein are systems and methods for detecting and determining the presence and grade of petroleum oil in a sample. The methods and systems use the fluorescence produced by one or more transition metals present in the oil to detect and determine the presence and grade of the oil in...

Radiation image read-out and cropping system
09/18/14 - 20140264078 - A system comprising a read out device for reading a radiation image stored in a photostimulable phosphor screen and for generating a digital signal representation of a read out image wherein the read out device supports a single format and is coupled to a processing unit which is programmed for...

Luminescent, ultraviolet protected automotive interior members
09/18/14 - 20140264079 - A component of a motor vehicle comprising a photoluminescent interior member formed of a plastic composition, wherein the plastic composition comprises at least one polymer and a plurality of additives comprising at least one photoluminescent material and at least a first ultraviolet protector, wherein the at least one photoluminescent material...

Phase-change enabled flow field visualization
09/18/14 - 20140264080 - A system and method for visualization of fluid flow, includes a light emitting arrangement configured to emit a focused light, a fluid channel configured to hold a fluid including a carrier liquid and a stimuli responsive polymer, wherein the fluid flows though the fluid channel, and an image recording arrangement....

Reducing incremental measurement sensor error
09/18/14 - 20140264081 - For position sensors, e.g., a fiber-based system, that build a shape of an elongated member such as a catheter using a sequence of small orientation measurements, a small error in orientation at the proximal end of the sensor will cause large error in position at distal points on the fiber....

Fluorescence flow cytometry device and method
09/18/14 - 20140264082 - A flow cytometer including a laser, indexing structure, adjustment structure, and sensor structure. The cytometer is conventionally used with a removable microfluidic cassette, which is installed at a first position that is enforced by the indexing structure. The adjustment structure changes a relative position between an interrogation aperture of the...

Method for inspecting contact between mating gears
08/28/14 - 20140239194 - A method for inspecting contact between mating gears that includes applying a mixture to teeth of a first gear, teeth of a second gear, or the teeth of both the first and second gears. The mixture includes a lubricating oil and a fluorescing dye. The first gear is rotated to...

Ink jet printer composition and use
08/21/14 - 20140231674 - An aqueous ink jet printer ink composition is designed for ink jet printing of fluorescent images. This composition contains fluorescent pigment particles that have (1) an excitation peak wavelength of at least 300 nm and less than 400 nm, and (2) an emission peak that is greater than 400 nm...

Evaluation circuit for an optoelectronic detector and method for recording fluorescence events
08/21/14 - 20140231675 - An improved evaluation circuit which allows high sensitivity in an economical manner. For this purpose, a shift register having at least one data input, a clock input, a plurality of register stages and at least one data output is provided, wherein the output of the analog-to-digital converter is connected to...

Resonance fluorescence localization microscopy with sub-wavelength resolution
08/14/14 - 20140225004 - The resonance fluorescence spectrum of a number of two-level atoms is driven by a gradient coherent laser field. In the weak dipole-dipole interaction region (separation less than λ/50), a very strong laser field may be applied such that the Rabi frequency is much larger than the dipole-dipole interaction energy. From...

Particle detecting system and particle detecting method
08/14/14 - 20140225005 - A particle detecting system includes an airborne particle detecting device that detects scattered light and/or fluorescent light produced through illuminating with light a particle included in a gas, a gas inspection flow path that introduces, into the airborne particle detecting device, a particle included in a gas that is subject...

Method and apparatus for distinguishing radiation emitted by targets and non-targets during surgical laser procedures
08/14/14 - 20140225006 - Methods and arrangements for distinguishing between target areas and non-target areas during a laser surgical procedure involve coating or otherwise providing the non-target areas with a phosphorescent material that emits radiation, upon stimulation when a predetermined condition occurs, that is distinguishable from the treatment radiation....

Super-resolved optical imaging apparatus and optical imaging method using the same
07/31/14 - 20140209816 - A super-resolved optical imaging apparatus and a super-resolved optical imaging method using the apparatus are disclosed. The optical imaging apparatus can includes: a light source unit configured to supply an incident beam; a nano-pattern chip having a plurality of nanostructures; a light adjustment system configured to change an incidence property...

Optically active epoxy
07/24/14 - 20140203190 - An optically active composition is described. The composition may include a copolymer of two or more polyepoxides covalently linked by a fused arene....

Method of observing samples with a fluorescent microscope
07/24/14 - 20140203191 - The invention relates to a method of inspecting parts of a sample on a TEM grid with a fluorescence microscope, as arises when performing correlative microscopy, more specifically for samples on a holey carbon grid. A problem occurs when imaging vitrified ice with sample material when the ice is heated...

Systems and methods for distinguishing optical signals of different modulation frequencies in an optical signal detector
07/24/14 - 20140203192 - Systems and method for detecting optical signals, and for discriminating optical signals emitted by an emission moiety that is excited by an associated excitation signal from background signals and other optical noise, employing digital techniques for determining the portion of a detected optical signal having a modulation frequency corresponding to...

Methods, systems and devices for detecting insects and other pests
07/17/14 - 20140197335 - We describe a method for detection of the presence of an invertebrate or an invertebrate component in a sample of substantially non invertebrate material, comprising impinging said sample with a source of electromagnetic radiation at a wavelength of at least 600 nm and detecting Raman scattering/fluorescence of said invertebrate or...

Conjugates of nano-diamond and magnetic or metallic particles
07/10/14 - 20140191139 - Techniques for imaging a characteristic of a sample with a plurality of conjugates of diamond-metallic nanoparticles having a nitrogen vacancy center. The plurality of conjugates can be exposed to a sample and the nitrogen vacancy centers can be optically pumped. One or more microwave pulses can be applied to the...

Methods for detecting defects in inorganic-coated polymer surfaces
06/26/14 - 20140175305 - Lipophilic fluorescent substances can be used to detect surface defects in materials having hydrophilic (e.g., inorganic) coatings. Use of the described methods makes surface defects appear fluorescent, while the remaining surfaces are not labeled. The disclosed methods are inexpensive, rapid, and easy alternatives to existing approaches....

Efficient fluorescence detection in solid state spin systems
06/19/14 - 20140166904 - Efficient fluorescence detection is achieved by optically guiding fluorescence light generated by color centers within a sample to photodetectors outside the sample. A fluorescence detection system may use a sample containing one or more fluorescence color centers that emit fluorescent light when irradiated with excitation light from an optical source....

Ultra dark field microscope
06/12/14 - 20140158912 - A fluorescence microscope includes a nearly monochromatic light source, a Brewster angle wedge, and an optical system for irradiating a sample with a light beam from the light source and directing fluorescence light from said sample onto the Brewster angle wedge. Collection optics are provided for focusing a hyper-spectral, wide...

Microparticle analysis apparatus and microparticle analysis method
06/12/14 - 20140158913 - There is provided a microparticle analysis apparatus including a light irradiation unit, which includes a plurality of light sources that emit laser light beams having different wavelengths, and which is configured to irradiate, with the laser light, microparticles flowing through a channel, and a light source drive control unit configured...

Fluorescence method for determining occlusion in enclosed spaces
06/05/14 - 20140151577 - A method of sensing scale build up on piping exposed to wellbore fluids, which includes the steps of sensing the build up of scale on the wall an injector pipe using fluorescence detection, generating a signal representative of the relative scale build up on injector pipe wall, and communicating that...

System and method for detecting damage to a wind turbine blade
06/05/14 - 20140151578 - A system and method of detecting damage to a wind turbine blade uses one or more fluorescent optical fibres comprising a fluorescent material having an excitation wavelength that is selected such that the material fluoresces upon exposure to ambient radiation at the wind turbine blade, wherein the one or more...

Stimulated emission depletion (sted) microscopy system
05/29/14 - 20140145093 - The invention discloses an optical microscopy system (10) for stimulated emission depletion (STED) of an object (O). An optical element (6) is applied for focusing a first excitation (1) and a second depletion (2) beam on the object thereby defining a common optical path (OP) for both the first and...

Carbon nanotubes with fluorescent surfactant
05/29/14 - 20140145094 - A fluorescent material may include a medium, carbon nanotubes dispersed in the medium, and a fluorescent surfactant. The fluorescent surfactant may be adsorbed to a surface of some of the carbon nanotubes in a concentration sufficient to make the material fluoresce in the presence of radiation. The material may be...

Image obtaining unit and image obtaining method
05/15/14 - 20140131592 - An image obtaining apparatus and an image obtaining method are provided. The image obtaining apparatus including a light source configured to generate excitation light causing a fluorescent label of a biological sample to emit light; an image sensor; an optical system configured to cause the image sensor to form a...

Method for detecting fluorescent particles
05/15/14 - 20140131593 - A method for detecting a fluorescent particle comprises the preparation of a sample solution containing fluorescent particles and a substance that promotes transition of the fluorescent particles from a triplet excited state to a singlet ground state, and calculation of the number of molecules of fluorescent particles present in the...

Method for optical 3d measurement of teeth with reduced point spread function
05/08/14 - 20140124682 - A 3D measurement of teeth occurs while exciting fluorescence in the volume of the teeth. To this end, use is made of suitable radiation which, as a result of the fluorescence, is therefore strongly absorbed. As a result of this, the problem of translucence when measuring teeth is significantly reduced....

Apparatus for substance detection
05/01/14 - 20140117254 - A sensing apparatus for detecting light of first and second fluorescent wavelength bands has a light source to generate an excitation wavelength to a first collimator element. A dichroic multiplexer has a first coated surface oblique to the optical axis and treated to transmit the excitation wavelength and to reflect...

Surface plasmon-field enhanced fluorescence spectroscopic measurement method and surface plasmon-field enhanced fluorescence spectroscopic measurement device
05/01/14 - 20140117255 - To provide a surface plasmon-field enhanced fluorescence spectroscopic measurement method and a surface plasmon-field enhanced fluorescence spectroscopic measurement device which are capable of accurately measuring a fluorescent signal regardless of the type of a light detection means even when the concentration of an analyte is high by adjusting the dynamic...

Appratus for optical analysis of an associated tissue sample
05/01/14 - 20140117256 - In order to improve fluorescence measurements, there is provided an apparatus and, a method and a computer program for optical analysis of an associated tissue sample, the apparatus comprising a spectrometer comprising an optical detector, a light source, a first light emitter 219 arranged for emitting photons into the associated...

Use of luminescent nanosystems for authenticating security documents
04/17/14 - 20140103226 - The present invention relates to the use of nanosystems as non deactivable security markers comprising metal atomic quantum clusters (AQCs) of at least two different size distributions encapsulated in a cavity with an inner diameter less than or equal to approximately 10 nm. These nanosystems are luminescence, particularly fluorescence after...

Quantum-yield measurement device
04/10/14 - 20140097357 - A quantum-yield measurement device 1 comprises a dark box 5; a light generation unit, having a light exit part 7, for generating the pumping light L1; a light detection unit, having a light entrance part 11, for detecting light to be measured L2; an integrating sphere 14, having a light...

Method and apparatus for imaging a structure marked with a fluorescent dye
04/10/14 - 20140097358 - In a method for imaging a structure (33) marked with a fluorescent dye in a sample, the sample is repeatedly scanned in a scanning range (28) with a light intensity distribution localised around a focal point (29) of a focused fluorescence excitation light beam. The light intensity distribution further comprises...

In-line decay-time scanner
04/10/14 - 20140097359 - The disclosed scanner allows detecting decay time characteristics of light emitted by a luminescent marking on an item which is transported, even at high speed, on a distribution/production line. The detection zone of the scanner's light sensor has a shape elongated along a path of the moving item, and the...

Axial illumination for capillary electrophoresis
04/03/14 - 20140091233 - System and method for fluorescent light excitation and detection from samples to enhance the numerical aperture and/or reduce the cross-talk of the fluorescent light....

Irregular excitation of optical sensors
03/27/14 - 20140084181 - A material is excited with light whose intensity is modulated according to a modulation signal. The modulation signal includes multiple transitions between at least two intensity levels, with times of at least a first contiguous sequence of the transitions being selected according to an irregular pattern. A response of the...

Microorganism detecting apparatus calibration method and microorganism detecting apparatus calibration kit
03/20/14 - 20140077100 - A method for calibrating a microorganism detecting apparatus includes drawing into the microorganism detecting apparatus polystyrene particles with a weight-average molecular weight of no less than 250,000 and no more than 850,000 that, when exposed to light, produce a fluorescence of an intensity that is substantially identical to an intensity...

Low rare earth mineral photoluminescent compositions and structures for generating long-persistent luminescence
03/06/14 - 20140061504 - A low rare earth mineral photoluminescent structure for generating long-persistent luminescence that utilizes at least a phosphorescent layer comprising one or more phosphorescent materials having substantially low rare earth mineral content of less than about 2.0 weight percent, and one or more fluorescent layers is disclosed. Further disclosed are methods...

Squarylium dyes
03/06/14 - 20140061505 - Squarylium dyes with improved design flexibility via functionalization thereof thereby yielding desirable photophysical, solubility, thermal stability, and/or light stability properties, for example. The resulting dyes are useful in optical filters and as fluorescent indicators, for example....

Surface plasmon-field enhanced fluorescence measurement device and fluorescence detection method using the same
03/06/14 - 20140061506 - A surface plasmon-field enhanced fluorescence measurement device may be provided to accurately detect a specific substance even in the case in which a well member is used and achieving a simpler structure and a lower manufacturing cost, and a fluorescence detection method using the surface plasmon-field enhanced fluorescence measurement device....

Capillary electrophoresis fluorescent detection system
02/20/14 - - The invention includes a high sensitivity and high throughput capillary electrophoresis multiwavelength florescence detection system. The fluorescent detection system is configured to illuminate a relatively large volume of a single capillary or a plurality of capillaries, with a pixelated detection system capable of imaging an area of each capillary that...

Authentication with access control and calibration
02/20/14 - 20140048723 - A method of enabling an authenticating device (10) includes providing an enabling target (17); measuring one or more attributes of the enabling target with the authenticating device; comparing at least one measured attribute with a predetermined expected value; enabling the authenticating device when the at least one measured attribute matches...

Microscope with a viewing direction perpendicular to the illumination direction
02/13/14 - 20140042339 - A microscope and imaging method in which a layer of the sample is illuminated by a thin strip of light and the sample is viewed perpendicular to the plane of the strip of light. The depth of the strip of light thus essentially determines the depth of focus of the...

Method and apparatus for tracking a particle, particularly a single molecule, in a sample
02/13/14 - 20140042340 - For the purpose of tracking a movement of a particle in a sample, the particle is driven by light to emit photons, and the photons emitted by the particle are detected. The light applied to the sample features a light intensity distribution with a spatially limited minimum. The particle is...

Photoluminescent oxygen probe tack
02/06/14 - 20140034847 - A photoluminescent oxygen probe comprising a tack with a layer of a pressure-sensitive adhesive and an oxygen-sensitive photoluminescent element on the underside of the head. The probe is effective for sensing oxygen concentration within an enclosed space by puncturing the container defining the enclosed space the with the probe's shank...

Quantum dot luminescent materials
01/23/14 - 20140021368 - A quantum dot dispersed glass article is disclosed herein and associated articles, products, and methods of making thereof. In an aspect, a glass material can incorporate one or more quantum dot dispersed therein, wherein the one or more quantum dot luminesces upon excitation from an excitation source. In another aspect,...

Articles, methods of validating the same, and validation systems employing decay constant modulation
01/23/14 - 20140021369 - Articles, methods of validating the articles, and validating systems are provided herein. In an embodiment, an article includes a substrate and a security feature on the substrate. The security feature includes a first region that has a first ink composition and a second region that has a second ink composition....

Microparticle measurement apparatus and microparticle analysis method
01/23/14 - 20140021370 - There is provided a microparticle measurement apparatus including a first light source configured to irradiate excitation light on a droplet containing a microparticle, the droplet being discharged from an orifice, a second light source configured to irradiate illumination light on the droplet for acquiring an image of the droplet, a...

Two-photon 3-d fiona of individual quantum dots
01/23/14 - 20140021371 - Microscopy is performed by imaging individual quantum dots (QD) using two-photon (2P) microscopy of in an aqueous environment with widefield and point-scan excitations at nanometer accuracy....

Biosensor
01/16/14 - 20140014856 - Optical sensors comprising a fluidic channel through which fluid carrying magnetised beads may be passed, an optical source for illuminating fluid as is passes through the channel, a sensor for detecting fluorescence emitted by the beads when illuminated by the optical source, and magnet means arranged to temporarily capture and...