25037results about "Radiation pyrometry" patented technology

The present invention relates to optical confinements, methods of preparing and methods of using them for analyzing molecules and / or monitoring chemical reactions. The apparatus and methods embodied in the present invention are particularly useful for high-throughout and low-cost single-molecular analysis.

An instrument for evaluating fluorescence of a heterogeneous tissue includes means for exciting a two-dimensional portion of the tissue surface with excitation radiation at a plurality of excitation wavelengths, means for collecting emission radiation from the two-dimensional portion of the tissue surface simultaneously with excitation of the portion, and means for forming a two-dimensional excitation-emission map of the excitation radiation and the simultaneously collected emission radiation and spatially averaging the excitation and emission radiation.

Embodiments of the present disclosure include an oximeter sensor system including a reusable portion including a substantially rigid connector connected to an end of a cable. The substantially rigid connector includes an electronic element housing at least one electronic component of a probe. The system also includes a disposable portion including a flexible wrap comprising a substantially rigid connection port shaped to receive the substantially rigid connector in a releasably securable manner.

The present invention is directed to asynchronous scanning devices and methods of using asynchronous scanning to acquire fluorescence data from a sample, such as biological tissue, to facilitate diagnosis of the presence or absence of disease or other abnormality in the sample. The present invention is useful for biomedical diagnostics, chemical analysis or other evaluation of the target sample.

A monitoring system and method for monitoring a predetermined set of physical characteristics associated with a structure using the monitoring system. The system is distributed in the structure and comprises a distributed optical sensing device (30), further comprising a fiber optic cable (20, 22); a light source (18a) operatively in communication with the fiber optic cable (20, 22); a light detection device (18b), operatively in communication with the fiber optic cable (20, 22), for measuring the light received at the light detection device (18b) from the fiber optic cable (20, 22); and a data processor (18) capable of using the light measured to calculate a predetermined set of physical parameters describing the predetermined set of physical characteristics.

An apparatus used for an epitaxial vapor growing arrangement and for detecting whether a wafer is properly seated within a susceptor contained therein. The apparatus includes a semiconductor laser element that generates a laser beam which irradiates the wafer's surface. The apparatus, further, includes a combination of a stop mechanism, a condenser lens and a photo diode, which detects the laser beam reflected from the wafer surface and an operation circuit, which determines the wafer's posture on the susceptor. During operation, the reflected laser beam focuses on a receiving surface of the photo diode through the condenser lens. The operation circuit then compares the output signal from the photo diode with a preset reference value for discriminating the slope of the wafer.

The subject invention is a series of methods and systems for using the Surface-Enhanced Raman (SER)-labeled Gene Probe for hybridization, detection and identification of SER-labeled hybridized target oligonucleotide material comprising the steps of immobilizing SER-labeled hybridized target oligonucleotide material on a support means, wherein the SER-labeled hybridized target oligonucleotide material comprise a SER label attached either to a target oligonucleotide of unknown sequence or to a gene probe of known sequence complementary to the target oligonucleotide sequence, the SER label is unique for the target oligonucleotide strands of a particular sequence wherein the SER-labeled oligonucleotide is hybridized to its complementary oligonucleotide strand, then the support means having the SER-labeled hybridized target oligonucleotide material adsorbed thereon is SERS activated with a SERS activating means, then the support means is analyzed.

An apparatus and method to determine a property of a substrate by measuring, in the pupil plane of a high numerical aperture lens, an angle-resolved spectrum as a result of radiation being reflected off the substrate. The property may be angle and wavelength dependent. The radiation that is reflected off the substrate is radially polarized.

A method for supplying gas over a substrate in a reaction chamber wherein a substrate is placed on a pedestal, includes: supplying a first gas from a first side of the reaction chamber to a second side of the reaction chamber opposite to the first side; and adding a second gas to the first gas from sides of the reaction chamber other than the first side of the reaction chamber so that the second gas travels from sides of the substrate other than the first side in a downstream direction.

A UV light irradiating apparatus for irradiating a semiconductor substrate with UV light includes: a reactor in which a substrate-supporting table is provided; a UV light irradiation unit connected to the reactor for irradiating a semiconductor substrate placed on the substrate-supporting table with UV light through a light transmission window; and a liquid layer forming channel disposed between the light transmission window and at least one UV lamp for forming a liquid layer through which the UV light is transmitted. The liquid layer is formed by a liquid flowing through the liquid layer forming channel.

Apparatus for dynamic surface annealing of a semiconductor wafer includes a source of laser radiation emitting at a laser wavelength and comprising an array of lasers arranged in rows and columns, the optical power of each the laser being individual adjustable and optics for focusing the radiation from the array of lasers into a narrow line beam in a workpiece plane corresponding to a workpiece surface, whereby the optics images respective columns of the laser array onto respective sections of the narrow line beam. A pyrometer sensor is provided that is sensitive to a pyrometer wavelength. An optical element in an optical path of the optics is tuned to divert radiation emanating from the workpiece plane to the pyrometry sensor. As a result, the optics images each of the respective section of the narrow line beam onto a corresponding portion of the pyrometer sensor. The apparatus further includes a controller responsive to the pyrometry sensor and coupled to adjust individual optical outputs of respective columns of the laser array in accordance with outputs of corresponding portions of the pyrometry sensor.

A hyperspectral imaging system having an optical path. The system including an illumination source adapted to output a light beam, the light beam illuminating a target, a dispersing element arranged in the optical path and adapted to separate the light beam into a plurality of wavelengths, a digital micromirror array adapted to tune the plurality of wavelengths into a spectrum, an optical device having a detector and adapted to collect the spectrum reflected from the target and arranged in the optical path and a processor operatively connected to and adapted to control at least one of: the illumination source; the dispersing element; the digital micromirror array; the optical device; and, the detector, the processor further adapted to output a hyperspectral image of the target. The dispersing element is arranged between the illumination source and the digital micromirror array, the digital micromirror array is arranged to transmit the spectrum to the target and the optical device is arranged in the optical path after the target.

An apparatus for measuring a bio signal including a bio signal measurement unit, which is insertable into an ear to be in close contact with an internal surface of the ear, the bio signal measurement unit having a photo plethysmography (PPG) measurement module for radiating light of different wavelengths onto the internal surface of the ear, detecting light transmitted through the ear, and outputting a PPG signal including bio information, a control unit having a PPG signal processor for generating the bio information using the PPG signal measured by the PPG measurement module, and an output unit for displaying the bio information generated from the control unit.

The invention comprises a method and apparatus for enhancing the analysis of noninvasive spectra, resulting in improved analytical performance. More particularly, the invention comprises a method and apparatus for processing noninvasive spectra with an analyte filter that preferably rejects variation likely to be detrimental to the measurement system, while passing signal that probabilistically is unique to the target analyte. Subsequently, the analyte filtered data are used to estimate an analyte property, such as a glucose concentration, in the presence of noise, interferences, state changes, and / or across analyzers.

The present invention provides a luminaire system capable of generating light of a desired chromaticity and luminous flux output during continuous operation with varying ambient operating temperature. The luminaire system can be further capable of maintaining a desired correlated colour temperature during dimming of the luminaire. The luminaire system comprises one or more arrays of light-emitting elements for generating light with a current driver system coupled thereto for selectively supplying electrical drive current to each of the arrays, wherein the current driver system is responsive to drive signals received from a controller. The luminaire system further comprises an optical sensor system for generating optical signals representative of chromaticity and luminous flux output of the light. A heat sensing system is operatively coupled to the one or more arrays for generating signals representative of the junction temperatures of arrays of light-emitting elements during operation. The luminaire system further comprises a controller that is operatively connected to the current driver system, the optical sensor system and the heat sensing system for receiving the signals generated by each of these systems and is configured to generate one or more drive signals for transmission to the current driver system in response to the optical signals and thermal signals received from the optical system and the heat sensing system, respectively, thereby enabling a desired level of control of the output light.

The present invention is directed toward a fiber optic position and shape sensing device and the method of use. The device comprises an optical fiber means. The optical fiber means comprises either at least two single core optical fibers or a multicore optical fiber having at least two fiber cores. In either case, the fiber cores are spaced apart such that mode coupling between the fiber cores is minimized. An array of fiber Bragg gratings are disposed within each fiber core and a frequency domain reflectometer is positioned in an operable relationship to the optical fiber means. In use, the device is affixed to an object. Strain on the optical fiber is measured and the strain measurements correlated to local bend measurements. Local bend measurements are integrated to determine position and / or shape of the object.

Methods for thermally calibrating reaction chambers are provided. In some embodiments, methods may include calculating a first correction factor of a first contact type temperature sensor within a first reaction chamber utilizing a first temperature sensor and applying the first correction factor to a first temperature controller to provide a first calibrated contact type temperature sensor. Embodiments may also include calculating a first calibration factor of a first non-contact type temperature sensor within the first reaction chamber utilizing the first calibrated contact type temperature sensor and applying the first calibration factor to the first non-contact type temperature sensor to provide a first calibrated non-contact type temperature sensor.

Systems and methods are disclosed for reducing the influence of plasma generated debris on internal components of an EUV light source. In one aspect, an EUV meteorology monitor is provided which may have a heater to heat an internal multi-layer filtering mirror to a temperature sufficient to remove deposited debris from the mirror. In another aspect, a device is disclosed for removing plasma generated debris from an EUV light source collector mirror having a different debris deposition rate at different zones on the collector mirror. In a particular aspect, an EUV collector mirror system may comprise a source of hydrogen to combine with Li debris to create LiH on a collector surface; and a sputtering system to sputter LiH from the collector surface. In another aspect, an apparatus for etching debris from a surface of a EUV light source collector mirror with a controlled plasma etch rate is disclosed.

Apparatus and methods for attenuating environmental interference are described. A wearable monitoring apparatus includes a housing configured to be attached to the body of a subject and a sensor module that includes an energy emitter that directs energy at a target region of the subject, a detector that detects an energy response signal—or physiological condition—from the subject, a filter that removes time-varying environmental interference from the energy response signal, and at least one processor that controls operations of the energy emitter, detector, and filter.

The present invention relates to monitoring chemicals in a process chamber using a spectrometer having a plasma generator, based on patterns over time of chemical consumption. The relevant patterns may include a change in consumption, reaching a consumption plateau, absence of consumption, or presence of consumption. In some embodiments, advancing to a next step in forming structures on the workpiece depends on the pattern of consumption meeting a process criteria. In other embodiments, a processing time standard is established, based on analysis of the relevant patterns. Yet other embodiments relate to controlling work on a workpiece, based on analysis of the relevant patterns. The invention may be either a process or a device including logic and resources to carry out a process.

The present invention provides a hyperspectral imaging system which demonstrates changes in tissue oxygen delivery, extraction and saturation during shock and resuscitation including an imaging apparatus for performing real-time or near real-time assessment and monitoring of shock, including hemorrhagic, hypovolemic, cardiogenic, neurogenic, septic or burn shock. The information provided by the hyperspectral measurement can deliver physiologic measurements that support early detection of shock and also provide information about likely outcomes.

A method and apparatus are provided for the determination of levels of carotenoids and similar chemical compounds in biological tissue such as living skin. The method and apparatus provide a noninvasive, rapid, accurate, and safe determination of carotenoid levels which in turn can provide diagnostic information regarding cancer risk, or can be a marker for conditions where carotenoids or other antioxidant compounds may provide diagnostic information. Such early diagnostic information allows for the possibility of preventative intervention. The method and apparatus utilize the technique of resonance Raman spectroscopy to measure the levels of carotenoids and similar substances in tissue. In this technique, laser light is directed upon the area of tissue which is of interest. A small fraction of the scattered light is scattered inelastically, producing the carotenoid Raman signal which is at a different frequency than the incident laser light, and the Raman signal is collected, filtered, and measured. The resulting Raman signal can be analyzed such that the background fluorescence signal is subtracted and the results displayed and compared with known calibration standards.

The present invention relates to an apparatus and method for forming a plasma in the exhaust line of a primary process reactor. The plasma is generated in an inductive source (5) to examine the chemical concentrations of the waste or exhaust gas in vacuum lines that are below atmospheric pressure. The optical radiation emitted by the plasma is analyzed by an optical spectrometer (9) and the resulting information is used to diagnose, monitor, or control operating states in the main vacuum vessel.