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Radiant Energy > Luminophor Irradiation > Methods

Methods

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

11/20/14 - 20140339438 - Devices and methods for spectroscopic analysis
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...

11/20/14 - 20140339439 - Method for high-resolution 3d localization microscopy
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...

11/13/14 - 20140332697 - Method of detecting thalassemia by optical analysis of blood components
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...

11/06/14 - 20140326898 - Axial illumination for capillary electrophoresis
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....

11/06/14 - 20140326899 - Particulate compositions having plural responses to excitation radiation
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...

10/30/14 - 20140319377 - Pulsed stimulated emission luminescent photovoltaic solar concentrator
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...

10/30/14 - 20140319378 - Optical fluorescence-based chemical and biochemical sensors and methods for fabricating such sensors
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...

10/30/14 - 20140319379 - Mapping volumes of interest in selected planes in liquid samples
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....

10/23/14 - 20140312247 - Fluorescence imager on a mobile device
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...

10/23/14 - 20140312248 - Articles containing non-visible identifying marks formed from nanomaterials and methods utilizing the same
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...

10/16/14 - 20140306125 - Method and apparatus for determining a relaxation time dependent parameter related to a system
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...

10/09/14 - 20140299787 - Method and apparatus for aligning measured spectral radiance factors among different instruments
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...

10/02/14 - 20140291549 - Test method for an escape route marking
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)....

10/02/14 - 20140291550 - Flow cytometer systems and associated methods
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...

10/02/14 - 20140291551 - Methods and systems for detecting and quantifying petroleum oil based on fluorescence
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...

09/18/14 - 20140264078 - Radiation image read-out and cropping system
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...

09/18/14 - 20140264079 - Luminescent, ultraviolet protected automotive interior members
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...

09/18/14 - 20140264080 - Phase-change enabled flow field visualization
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....

09/18/14 - 20140264081 - Reducing incremental measurement sensor error
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....

09/18/14 - 20140264082 - Fluorescence flow cytometry device and method
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...

08/28/14 - 20140239194 - Method for inspecting contact between mating gears
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...

08/21/14 - 20140231674 - Ink jet printer composition and use
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...

08/21/14 - 20140231675 - Evaluation circuit for an optoelectronic detector and method for recording fluorescence events
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...

08/14/14 - 20140225004 - Resonance fluorescence localization microscopy with sub-wavelength resolution
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...

08/14/14 - 20140225005 - Particle detecting system and particle detecting method
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...

08/14/14 - 20140225006 - Method and apparatus for distinguishing radiation emitted by targets and non-targets during surgical laser procedures
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....

07/31/14 - 20140209816 - Super-resolved optical imaging apparatus and optical imaging method using the same
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...

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

07/24/14 - 20140203191 - Method of observing samples with a fluorescent microscope
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...

07/24/14 - 20140203192 - Systems and methods for distinguishing optical signals of different modulation frequencies in an optical signal detector
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...

07/17/14 - 20140197335 - Methods, systems and devices for detecting insects and other pests
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...

07/10/14 - 20140191139 - Conjugates of nano-diamond and magnetic or metallic particles
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...

06/26/14 - 20140175305 - Methods for detecting defects in inorganic-coated polymer surfaces
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....

06/19/14 - 20140166904 - Efficient fluorescence detection in solid state spin systems
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....

06/12/14 - 20140158912 - Ultra dark field microscope
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...

06/12/14 - 20140158913 - Microparticle analysis apparatus and microparticle analysis method
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...

06/05/14 - 20140151577 - Fluorescence method for determining occlusion in enclosed spaces
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...

06/05/14 - 20140151578 - System and method for detecting damage to a wind turbine blade
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...

05/29/14 - 20140145093 - Stimulated emission depletion (sted) microscopy system
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...

05/29/14 - 20140145094 - Carbon nanotubes with fluorescent surfactant
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...

05/15/14 - 20140131592 - Image obtaining unit and image obtaining method
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...

05/15/14 - 20140131593 - Method for detecting fluorescent particles
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...

05/08/14 - 20140124682 - Method for optical 3d measurement of teeth with reduced point spread function
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....

05/01/14 - 20140117254 - Apparatus for substance detection
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...

05/01/14 - 20140117255 - Surface plasmon-field enhanced fluorescence spectroscopic measurement method and surface plasmon-field enhanced fluorescence spectroscopic measurement device
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...

05/01/14 - 20140117256 - Appratus for optical analysis of an associated tissue sample
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...

04/17/14 - 20140103226 - Use of luminescent nanosystems for authenticating security documents
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...

04/10/14 - 20140097357 - Quantum-yield measurement device
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...

04/10/14 - 20140097358 - Method and apparatus for imaging a structure marked with a fluorescent dye
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...

04/10/14 - 20140097359 - In-line decay-time scanner
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...

04/03/14 - 20140091233 - Axial illumination for capillary electrophoresis
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....