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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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Radiant Energy


Luminophor Irradiation > Methods



Multilayer structure
05/14/15 - 20150129780 - A multilayer structure contains a first security element, in particular a watermark or pseudo-watermark. A diffusing structure having a diffusing region that at least partially covers the first security element. A first luminescent layer at least partially covers the first security element and is capable of emitting a visible light...

Method and apparatus for investigating a sample with regard to the lifetime of an excited state
05/07/15 - 20150123013 - The invention relates to a method for investigating a sample with regard to the lifetime of an excited state, in particular a fluorescence lifetime, and/or with regard to a property of a sample which is correlated with a lifetime of an excited state, in particular with a fluorescence lifetime, a...

Determining information for defects on wafers
05/07/15 - 20150123014 - Systems and methods for determining information for defects on a wafer are provided. One system includes an illumination subsystem configured to direct light having one or more illumination wavelengths to a wafer. The one or more illumination wavelengths are selected to cause fluorescence from one or more materials on the...

Apparatus and method for system identification
04/30/15 - 20150115175 - Methods and apparatus for system identification operate by computing phase and amplitude using linear filters. By digitally processing the linearly filtered signals or data, the phase and amplitude based on measurements of the input and output of a system, are determined....

Laser scanning microscope system and method of setting laser-light intensity value
04/30/15 - 20150115176 - A method of setting a laser-light intensity value includes: emitting laser light, the laser light being excitation light, a fluorescent-dyed biological sample being irradiated with the excitation light and emitting light; detecting fluorescence emitted by the biological sample, and outputting a signal corresponding to a brightness value; prestoring relation information,...

Cold-worked metal articles including luminescent phosphor particles, methods of forming the same, and methods of authenticating the same
04/30/15 - 20150115177 - Cold-worked metal articles, methods of forming cold-worked metal articles, and methods of authenticating cold-worked metal articles are provided. In an embodiment, a cold-worked metal article includes a cold-worked metal-containing surface that defines pores. The cold-worked metal-containing surface includes luminescent phosphor particles disposed within the pores. The luminescent phosphor particles include...

Single particle detection device, single particle detection method, and computer program for single particle detection, using optical analysis
04/23/15 - 20150108369 - There is provided a single particle detection technique based on the scanning molecule counting method which individually detects single particles using light measurement with a confocal or multiphoton microscope, where the existences of a non-light-emitting particle and a light-emitting particle can be detected while being discriminated from one another in...

Systems and method for fluorescence imaging
04/16/15 - 20150102234 - An apparatus for producing an image of blotting membranes includes an enclosure, light source, optical system, photodetector, and beamsplitter. The enclosure supports a blotting substrate comprising a first probe characterized by an excitation wavelength and an emission wavelength and a second probe characterized by an excitation wavelength and an emission...

Method for analyzing mushrooms
04/02/15 - 20150090902 - The invention discloses a method for rapidly quantitative and qualitative analyzing active ingredients of mushrooms. The method for analyzing mushrooms uses a 3-D fluorescence-detecting system to analyze a sample of mushrooms, with an excitation wavelength and an emission wavelength being 250 nm and 310 nm, respectively....

Multi-wavelength led curing lamp
03/26/15 - 20150083933 - A curing device may comprise a first array of LED's, each LED of the first array emitting radiation substantially centered at a first excitation wavelength onto a quantum dot layer, the quantum dot layer positioned above the first array of LED's and configured to partially absorb the first excitation wavelength...

Signal noise reduction for imaging in biological analysis
03/19/15 - 20150076365 - A system and method for characterizing contributions to signal noise associated with charge-coupled devices adapted for use in biological analysis. Dark current contribution, readout offset contribution, photo response non-uniformity, and spurious charge contribution can be determined by the methods of the present teachings and used for signal correction by systems...

Confocal imaging methods and apparatus
03/12/15 - 20150069267 - The invention provides imaging apparatus and methods useful for obtaining a high resolution image of a sample at rapid scan rates. A rectangular detector array having a horizontal dimension that is longer than the vertical dimension can be used along with imaging optics positioned to direct a rectangular image of...

Device and method for multi-photon fluorescence microscopy for obtaining information from biological tissue
03/12/15 - 20150069268 - A device for multi-photon fluorescence microscopy for obtaining information from biological tissue has a laser unit for generating an excitation radiation, an optical unit implemented for focusing the excitation radiation for generating an optical signal at various locations in or on an object to be investigated, and a detector module...

Fluorescence microtitre plate reader
03/05/15 - 20150060698 - A fluorescence microtitre plate reader comprises a plate reader body (2) having a base (3), top (5) and sidewalls (4), the top of the plate reader comprising at least one seat (6) dimensioned for receipt of a microtitre plate (7), the at least one seat defining an aperture (8) in...

Authentication systems employing fluorescent diamond particles
03/05/15 - 20150060699 - Authentication systems for products employing populations containing particles of diamonds that have fluorescent emissions of various wavelengths, intensities and durations are described. By varying the populations of diamond particles in products to be labeled, multiple different identification systems can be obtained permitting authentication taggants for large numbers of different products....

Visual detection of mercury ions
02/26/15 - 20150053868 - Composite materials comprising a mesoflower structure, methods of preparing the composite material, and methods of detecting heavy metal ion using the composite material are described herein. In some embodiments, a silica-coated gold mesoflower with a layer of silver quantum clusters may be capable of detecting Hg2+ ions in a sample...

Inspection apparatus and inspection method
02/26/15 - 20150053869 - An inspection apparatus is an apparatus for inspecting a solar cell panel. The inspection apparatus includes: an excitation light irradiation part for irradiating the solar cell panel with pulsed light for causing the solar cell panel to radiate an electromagnetic wave pulse; a detection part for detecting the electromagnetic wave...

Multi-foci laser scanning microscope and use of same for analyzing samples
02/26/15 - 20150053870 - A multi-foci laser scanning microscope generates a set of time-multiplexed beams that are simultaneously scanned over multiple scan areas of the sample to be observed. A photodetector array associated with the beams detect fluorescence signals from the sample. A processor processes output signals from the photodetector array based on the...

System and method for time-resolved fluorescence imaging and pulse shaping
02/26/15 - 20150053871 - A time-resolved fluorescence imaging (TRFI) system that images a target medium without lifetime fitting. Instead of extracting the lifetime precisely, the system images the fluorophore distribution to allow for a simple and accurate method to obtain the fluorescence image without lifetime-extraction for time-resolved fluorescence imaging. An illumination source circuit for...

Apparatus and methods for analysing fluorescent particles
02/26/15 - 20150053872 - According to an embodiment of the invention, an apparatus to detect fluorescence from a sample is disclosed. The apparatus comprises a sample plane onto which the sample is arranged, an excitation light unit including at least a light source to illuminate the sample, and a detection unit comprising at least...

Systems and methods for monitoring phenanthrene equivalent concentrations
02/12/15 - 20150041682 - The present application is directed to systems methods and methods for monitoring phenanthrene equivalent concentrations in an aqueous stream. One or more sources of electromagnetic radiation at different wavelengths may be directed into a sample of the aqueous stream and the resulting fluorescence at various wavelengths is detected. The detected...

Fluorescence light detection device and fluorescence light detection method
02/05/15 - 20150034840 - A fluorescence light detection device includes an excitation light fiber having an excitation light emitting end configured to emit excitation light; a fluorescence light fiber having a fluorescence light incident end on which fluorescence light is incident; an objective lens arranged between where the excitation light emitting end and the...

Optical unit, fluorescence detection device, and fluorescence detection method
01/29/15 - 20150028226 - A first lens 23 for converting light from the objective lens into parallel light is composed of a concave lens part 32 having a concave curved face 32c in a center portion of a flat face 32a, and a convex lens part 33 having a convex curved face 33c around...

Method to assist gel analysis and processing and apparatus for the same
01/22/15 - 20150021496 - A method to assist gel analysis and processing and apparatus for the same is disclosed. The method employs a tracing/marking/measuring/analyzing and referencing template of transparent sheet material comprising of a pattern made of vertical and horizontal lines that form quadrilateral shapes upon intersection. The vertical and horizontal lines are clearly...

Fluorescence observation method and fluorescence observation apparatus
01/08/15 - 20150008340 - A fluorescence observation method of the present invention for detecting plural types of fluorescence emitted from two or more kinds of fluorescent molecules includes: subjecting each of the two or more kinds of fluorescent molecules to multi-photon excitation by exciting light having an exciting wavelength equal to or shorter than...

System and method for optical biopsy tissue characterization
01/01/15 - 20150001420 - A method for classifying a tissue sample of a biopsy specimen into one of a plurality of classes is presented. The method includes receiving a light from at least one location of the tissue sample including a plurality of chromophores, wherein the received light comprises at least one of an...

System and method for defect detection and photoluminescence measurement of a sample
01/01/15 - 20150001421 - Defect detection and photoluminescence measurement of a sample directing a beam of oblique-illumination wavelength light onto a portion of the sample, directing a beam of normal-illumination wavelength light for causing one or more photoluminescing defects of the sample to emit photoluminescent light onto a portion of the sample, collecting defect...

Wide-field imaging using nitrogen vacancies
01/01/15 - 20150001422 - Nitrogen vacancies in bulk diamonds and nanodiamonds can be used to sense temperature, pressure, electromagnetic fields, and pH. Unfortunately, conventional sensing techniques use gated detection and confocal imaging, limiting the measurement sensitivity and precluding wide-field imaging. Conversely, the present sensing techniques do not require gated detection or confocal imaging and...

System and method for high resolution, instantaneous wide dynamic range, multi-colour luminescence detection of biological samples in a microfluidic system
12/25/14 - 20140374622 - The invention provides a high resolution, wide dynamic range, multi-colour detection platform for microfluidic analysers/instruments and methods. The detection platform uses multiple high gain semiconductor optical sensors for the detection of luminescence from cellular or biological samples. The digitized outputs from these sensors are combined and weighted in a signal...

Method and apparatus for measuring optical properties of particles of a dispersion
12/25/14 - 20140374623 - A method for measuring optical properties of particles of a flowable dispersion using a measuring cuvette. As the dispersion flows through the flow chamber of the cuvette, two laser light beams, offset 90 degrees to one another, illuminate the inner chamber of the cuvette and excite fluorescence in a particle....

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...