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8817253 Hyper-spectral imaging and analysis of a sample of matter, for identifying and characterizing an object of interest therein  
Method for hyper-spectral imaging and analysis of a sample of matter, for identifying and characterizing an object of interest therein. Preparing test solution or suspension of the sample,...
8699022 Methods and systems for analyzing samples  
This disclosure relates to a method for analyzing a sample of material. The method includes (a) converting a portion of the sample into a plasma multiple times; (b) recording a spectrum of...
8658967 Optically pumping to sustain plasma  
A method for sustaining a plasma includes providing a volume of a gas; generating illumination of a first selected wavelength; and forming a first plasma species in a first region of the gas and a...
8582717 Concentration measuring method and fluorescent X-ray spectrometer  
In the present invention, a fluorescent X-ray analysis is made for a sample such as a liquid fuel including an object component such as sulfur. A background related to scattered X-rays and a...
8487979 Signal spectra detection system  
The invention is a detection system that provides for background removal from a field of view (FOV) of spectra. A panoramic field of regard may be partitioned into a large number of FOV's. An FOV...
8482730 Signal noise reduction for imaging in biological analysis  
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...
8274650 Signal noise reduction for imaging in biological analysis  
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...
8269965 Method of analysis of samples by determination of a function of specific brightness  
A method for characterizing samples having units, by monitoring fluctuating intensities of radiation emitted, scattered and/or reflected by said units in at least one measurement volume, the...
8184286 Atomic absorption spectrophotometer  
An atomic absorption spectrophotometer that memorizes the maximum amount of light of each light source when an transmissivity of each of a plurality of dimmers is largest; computes an appropriate...
8159661 Hyper-spectral imaging and analysis of a sample of matter, and preparing a test solution or suspension therefrom  
Method for hyper-spectral imaging and analysis of a sample of matter, for identifying and characterizing an object of interest therein. Preparing test solution or suspension of the sample,...
8107072 Atomic absorption spectrophotometer  
The present invention has been accomplished to provide an atomic absorption spectrophotometer capable of obtaining measurement data always in the state where the lowest detection limit performance...
8082103 CO2 concentration correcting apparatus and CO2 concentration correcting method  
Hourly CO2 concentration, amount of solar radiation, and plant distribution information are calculated through observation from predetermined satellites. A concentration of CO2 absorbed by...
7899650 Apparatus and method for detecting and identifying raman signatures  
In one aspect, a signal processing system includes a processor, an I/O device operatively associated with the processor, and a memory device bearing instructions configured to cause the processor...
7859663 Polychrometer and method for correcting stray lights of the same  
In a polychrometer and a method for correcting stray light of the polychrometer, relative spectral (inter-pixel) distribution of stray light independent of a spectral distribution of an incident...
7826052 Correction method and measurement device for anti-stokes photoluminescence measurement  
A method to correct measurement error in a resonance energy-transfer assay, including exciting anti-Stokes photoluminescent donors with at least one wavelength of light which is greater than an...
7760354 Spectroscopic method and apparatus for identification of a substance using a tunable light source  
A spectroscopic detector includes a tunable light source, such as a continuously tunable, optical parametric oscillator laser; means for measuring the emitted radiation at a plurality of emission...
7715004 Signal noise reduction for imaging in biological analysis  
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...
7679059 Measuring water vapor in hydrocarbons  
Low concentrations of water vapor within a background of one or more olefin gases may be detected and quantified using a differential absorption spectrometer. A dehydrated sample of the gas is...
7623233 Optical analysis systems and methods for dynamic, high-speed detection and real-time multivariate optical computing  
Multivariate optical analysis systems employ multivariate optical elements and utilize multivariate optical computing methods to determine information about a product carried by light reflected...
7557915 Automated acquisition of spectral data and image data  
A system and method to automatically obtain spectra for samples. The method involves a two phase process including a photobleaching phase and a spectral acquisition phase. In the photobleaching...
7554659 Hyperspectral visible absorption imaging of molecular probes and dyes in biomaterials  
A system and method for obtaining hyperspectral visible absorption images. The system includes a light source which illuminates a sample containing light absorbing material, a platform, an optical...
7533000 Method and apparatus for analysing a dataset of spectra  
A method of analyzing a dataset of spectra is provided in which each spectrum has a count value for each of a number of parameter values within a parameter range. The method is for identifying one...
7471390 Spectrometer signal quality improvement via background subtraction  
A spectrometer collects background spectra during the idle time in which it is not collecting spectra from a sample. These spectra are collected over a range of exposure times, allowing the...
7436510 Method and apparatus for identifying a substance using a spectral library database  
A spectroscopic detector for identifying the presence of a first substance in the presence of another substance includes a laser for illuminating the substances at a plurality of wavelengths to...
7408729 Enhanced data storage and retrieval devices and systems and methods for utilizing same  
The present invention relates generally to the storage and/or retrieval of information on magnetic storage media by using one or more novel approaches alone or in combination. These novel...
7405823 Signal noise reduction for imaging in biological analysis  
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...
7265824 Method and device for obtaining a low-noise optical signal  
The invention relates to a method and a device for obtaining a low-noise optical signal. According to the method, a luminous beam is injected through two apertures and after detection respectively...
7239383 Method and apparatus for spectral modulation compensation  
The embodiments disclosed herein generally relate to identifying and removing background noise in spectroscopic imaging of a sample. Because white-light has essentially constant intensity at every...
7170596 Atomic absorption spectrophotometer with a background correcting function  
An atomic absorption spectrophotometer including a self reverse type hollow cathode lamp and a photomultiplier tube further includes a preliminary tester for measuring a strength of a signal L...
6881760 Methods for monitoring solids content in Fischer-Tropsch products  
A method for monitoring the solids content in a Fischer-Tropsch product to allow subsequent changes in the Fischer-Tropsch process to prevent downstream problems. The method comprises irradiating...
6879395 Spectrum measuring instrument  
In a spectrum measuring instrument of the present invention, a detecting surface of a detector is a two-dimensional detecting surface and spectrum light coming out from a dispersing element and is...
6844199 Direct detection of bacteria-antibody complexes via UV resonance Raman spectroscopy  
A system for the detection of bacteria based on bacteria-antibody complexes. Bacteria attached to antibody are detected with resonance Raman spectroscopy. The bacteria are detected directly in a...
6801309 Detector array with scattered light correction  
The subject invention relates to a method of mitigating the effects of spurious background signals in spectroscopic measurement systems. The design of a broadband imagining spectrometer is...
6717669 Self-calibrating spectrometers and auto-calibration methods  
Auto-calibrating spectrometers and methods that measure transmission or reflection versus wavelength of a sample without need for calibration for long periods of time. Reflection and transmission...
6683685 Atomic absorption photometer  
In an atomic absorption photometer, depending on a fact whether a background correction is carried out or not, a pattern of a pulse lighting of light sources and a timing of sampling a light...
6680473 Atomic beam control apparatus and method  
An atomic beam control apparatus controls a position of an atomic beam that passes through a multi-pole magnetic field by irradiating the atomic beam with a light beam. The apparatus includes a...
6674527 Ratiometric background correction for fluorescence polarization assays  
A method in which a multiplicative ratio approach is used to remove the effects of the unwanted background fluorescence when making fluoroescence polarization (FP) measurements rather than the...
6643011 SNR calculation method and optical spectrum measurement apparatus  
An SNR calculation method having the steps of measuring the wavelength characteristic of a dynamic range in an optical spectrum measurement apparatus for each wavelength in a multiplexed...
6608670 Laser verification and authentication raman spectrometer (LVARS) detecting the stokes and/or anti-stokes emission  
The LVARS is a fully instrumental, non-destructive spectroscopic device for the analysis and verification and authentication of the optical and electromagnetic properties (OEMP) of the inks, dyes,...
6590647 Physical property determination using surface enhanced raman emissions  
A method of and apparatus for determining a physical property of a material. The method includes: attaching nanoparticles to a substrate; positioning the substrate near the material; illuminating...
6519030 Flame photometer detector  
A flame photometer detector is described which uses flame emission spectroscopy as the detection method, computer control and data acquisition, pulsed sampling and a rotating reference filter...
6509968 Spectroscopic detection  
In embodiments, spectroscopic monitor monitors modulated light signals to detect low levels of contaminants and other compounds in the presence of background interference. The monitor uses a...
6480274 Method of analyzing oxygen and oxide in metallic material  
This invention provides a quantitative determination method capable of quickly determining a mean composition of oxide type inclusions and oxygen concentration of a metallic material such as a...
6222626 Atomic absorption spectrometer  
The invention relates to an atomic absorption spectrometer, comprising a measuring light path leading from at least one light source emitting line radiation corresponding to at least one element...
6118529 Measurement of spectrometer background profile  
Background profiles for spectrometers are obtained by recording a number of background measurements over a period of time and analysing the measured data to create a statistical model of the...
H001844 Laser magneto-optic rotation spectrometer (LMORS)  
A magneto-optical rotation (MOR) spectrometer is disclosed having a laser as a light source and providing a high intensity input light source that yields improvements in the detection limits and...
6008895 Stoichiometric ratio measuring device  
In order to provide a measuring device for determining stoichiometric ratios when burning hydrocarbons by means of which stoichiometric ratios can be determined easily and reliably when burning...
6002477 Spectrophotometer  
A spectrophotometer including a light source (1) operative to emit a beam of light (15), an optical system for directing the light beam (15) to a sample (8) to be analyzed, and a detector (9)...
5986757 Correction of spectral interferences arising from CN emission in continuous air monitoring using inductively coupled plasma atomic emission spectroscopy  
Introduction of sample stream air into argon inductively coupled plasma permits continuous monitoring of hazardous air pollutant metals in combustion flue gases. In addition to entrained...
5978082 Atomic absorptiometer and a metal specimen atomic vapor generation apparatus used in the atomic absorotiometer  
The object of this invention is to provide an atomic absorptiometer and a metal specimen atomic vapor generation apparatus used in the atomic absorptiometer, which enable a light absorption...
Matches 1 - 50 out of 152 1 2 3 4 >