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公开(公告)号：US4330207A
公开(公告)日：1982-05-18
申请号：US45630
申请日：1979-06-05
Applicant: Taro Nogami , Hiroshi Hirose
Inventor： Taro Nogami , Hiroshi Hirose
CPC classification number: G01J3/4406 , G01J3/28
Abstract: A fluorescence spectrophotometer comprising a light source, an excitation side monochromator which makes light from the light source be subjected to spectroscopic analysis for illuminating as actinic light a sample, a fluoroscence side monochromator which makes fluorescence light from the sample be subjected to spectroscopic analysis, a detector which detects light from the fluorescence side monochromator, and a scanning means which adjusts both the monochromators to the wavelengths of the actinic light and the fluorescence light to be scanned. These monochromators are arranged in such a way that one of them is automatically set to the location of the peak wavelength value which is detected by itself through a simple and automatic wavelength scanning operation and then the other is wavelength-scanned for excitation spectrum or fluorescence spectrum measurement.
Abstract translation: 荧光分光光度计包括光源，使来自光源的光的激发侧单色仪进行光谱分析以作为光化照射样品，使来自样品的荧光的荧光侧单色仪进行光谱分析， 检测器，其检测来自荧光侧单色仪的光;以及扫描装置，其将两个单色仪调整到光化光的波长和待扫描的荧光。 这些单色仪以这样的方式布置，使得它们中的一个被自动设置为通过简单和自动的波长扫描操作自身检测的峰值波长值的位置，然后另一个被波长扫描以用于激发光谱或荧光光谱 测量。
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公开(公告)号：US4284897A
公开(公告)日：1981-08-18
申请号：US885640
申请日：1978-03-13
Applicant: Ichiro Sawamura , Mamoru Aihara , Kazuhiko Nakamura , Youichi Kondo
Inventor： Ichiro Sawamura , Mamoru Aihara , Kazuhiko Nakamura , Youichi Kondo
CPC classification number: G01N21/6458 , G02B21/002 , G02B21/16
Abstract: A fluorescence determining microscope scans the surface of a specimen with laser light. The fluorescence produced is split into components of different wavelengths, and the fluorescence of the respective wavelengths is determined.
Abstract translation: 荧光测定显微镜用激光扫描样品表面。 所产生的荧光被分成不同波长的成分，确定各波长的荧光。
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公开(公告)号：US3967113A
公开(公告)日：1976-06-29
申请号：US530053
申请日：1974-12-05
Applicant: Charles Soodak , James H. Macemon
Inventor： Charles Soodak , James H. Macemon
CPC classification number: G01J3/4406
Abstract: A spectrofluorometer providing wavelength correction by means of an arbitrary function generator driven by a wavelength scanning element of the spectrofluorometer. The arbitrary function generator may be driven by the emission scanning monochromator to derive a wavelength-dependent voltage signal which is combined with the measure photomultiplier output to thereby provide a base-line compensated resultant output signal. Alternatively, the arbitrary function generator may be driven by the excitation scanning monochromator to derive a wavelength-dependent voltage signal which is combined with the output of a reference photomultiplier tube receiving part of the output of the excitation monochromator to derive an excitation-corrected reference signal which is in turn combined with the measure photomultiplier tube output signal to thereby provide an energy-corrected resultant output signal. An analog divider may be employed to divide this last-named resultant output signal by said excitation wavelength-dependent voltage signal to thereby derive a quantum-corrected fluorescence emission output signal. The arbitrary function generator has successive incremental wavelength range segments provided respectively with independently adjustable potentiometers to suitably shape the wavelength-dependent voltage signal curve.
Abstract translation: 一种分光荧光计，其通过由分光荧光计的波长扫描元件驱动的任意函数发生器提供波长校正。 任意函数发生器可以由发射扫描单色仪驱动，以导出与测量光电倍增管输出组合的波长相关电压信号，从而提供基线补偿的合成输出信号。 或者，可以由激励扫描单色仪驱动任意函数发生器，以得到与波长相关的电压信号，该电压信号与接收激励单色仪输出的一部分的参考光电倍增管的输出相结合，以导出激励校正参考信号 其结合测量光电倍增管输出信号，从而提供能量校正的结果输出信号。 可以使用模拟分频器来将所述最终命名的合成输出信号除以所述激发波长相关电压信号，从而导出量子校正的荧光发射输出信号。 任意函数发生器具有分别提供独立可调节的电位计的连续增量波长范围段，以适当地形成与波长相关的电压信号曲线。
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公开(公告)号：US3521957A
公开(公告)日：1970-07-28
申请号：US3521957D
申请日：1965-09-01
Applicant: YISSUM RES DEV CO
Inventor： FRAENKEL BENJAMIN SEEV , FELDMAN URI
CPC classification number: G01J3/04 , G01J3/0229 , G01J3/443
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公开(公告)号：US20250102361A1
公开(公告)日：2025-03-27
申请号：US18972094
申请日：2024-12-06
Inventor： Kentaro TOMITA
Abstract: The present disclosure is directed to a plasma measurement device comprising: a laser light source configured to apply laser light to plasma; and a spectrum measurement unit configured to receive scattered light from the plasma and measure a wavelength spectrum of the scattered light; and an arithmetic unit configured to calculate an electron temperature and an electron density of the plasma, based on the measured wavelength spectrum, wherein the spectrum measurement unit includes a spectroscope having an incidence slit, the incidence slit including: two blades movable in X-direction in an XY-plane perpendicular to a traveling direction of the scattered light; and at least one blade movable in Y-direction perpendicular to X-direction, edges of at least three of the blades forming a slit shape, thereby relaxing the structural constraints for plasma measurement and performing measurement with higher accuracy.
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Patent Agency Ranking
公开(公告)号：US12235161B2
公开(公告)日：2025-02-25
申请号：US17641923
申请日：2020-09-11
Applicant: Thermo Fisher Scientific (Ecublens)
Inventor： Fabio Demarco
Abstract: A method of determining a peak intensity in an optical spectrum is described. The method includes producing a two-dimensional array of spectrum values by imaging the optical spectrum onto a detector array. An offset using an actual location and an expected location of a peak of an interpolated subarray is used to adjust an expected location of another peak that is within another two-dimensional subarray. Interpolated spectrum values are then used to produce a peak intensity value of the second peak.
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公开(公告)号：US20250052615A1
公开(公告)日：2025-02-13
申请号：US18721612
申请日：2022-12-12
Applicant: Thermo Fisher Scientific (Bremen) GmbH , Thermo Fisher Scientific (Shanghai) Instruments Co., Ltd.
Inventor： Shenghai Wu , Antonella Guzzonato , Cheng Wang
Abstract: A peak position measurement offset is determined in a two-dimensional optical spectrum. A plurality of peaks are identified that appear in both a spectrum obtained from a reference material at known conditions and a spectrum obtained from a sample of interest. The peak position measurement offset is determined by a comparison of a pattern formed by peak positions of the plurality of identified peaks in the spectrum obtained from the sample of interest against the plurality of identified peaks in the spectrum obtained from the reference material.
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公开(公告)号：US12196616B2
公开(公告)日：2025-01-14
申请号：US17866941
申请日：2022-07-18
Applicant: SUBARU CORPORATION , Kyushu Institute of Technology
Inventor： Takayuki Nishi , Shinya Ohtsuka
Abstract: According to one implementation, an inflammable spark estimation system includes: a photodetector for measuring intensity of discharge light arising from a spark arising from a structural object made of a plurality of materials; and a data processing system configured to determine whether the spark has inflammability, based on the intensity of the discharge light measured by the photodetector, with referring to determination information. The determination information has been determined based on features of waveforms of wavelength spectra of possible discharge light arising from possible inflammable sparks respectively arising from possible materials of which the structural object may be made. The data processing system is configured to further determine which of the plurality of the materials the spark has arisen from, based on the intensity of the discharge light measured by the photodetector, with referring to the determination information, when the spark has been determined to have the inflammability.
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公开(公告)号：US12068145B2
公开(公告)日：2024-08-20
申请号：US17225871
申请日：2021-04-08
Applicant: Thermo Fisher Scientific (Bremen) GmbH
Inventor： Ayrat Murtazin
CPC classification number: H01J49/045 , G01J3/0267 , G01J3/443 , H01J49/0409 , H01J49/0454
Abstract: A liquid sample introduction system for a plasma spectrometer includes a sample container for holding a liquid sample, a surface acoustic wave (SAW) nebulizer, arranged to receive a liquid sample from the sample container, an electronic controller for supplying electrical power to the SAW nebulizer so as to produce a surface acoustic wave on a surface of the SAW nebulizer, for generating an aerosol from the supplied sample liquid, and an aerosol transport arrangement for receiving the aerosol from the SAW nebulizer and carrying it into a plasma or flame of a spectrometer. The electronic controller is further configured to control the electrical power to the SAW nebulizer so as to permit adjustment of the aerosol parameters, and to control the aerosol transport arrangement so as to permit adjustment of the aerosol delivery into the plasma or flame of the spectrometer.
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公开(公告)号：US12050181B2
公开(公告)日：2024-07-30
申请号：US17780076
申请日：2020-11-03
Applicant: THERMO FISHER SCIENTIFIC (ECUBLENS) SARL
Inventor： Patrick Lancuba
CPC classification number: G01N21/718 , G01J3/0208 , G01J3/443
Abstract: A method for controlling the flow of gas through a spectrometer, comprising: flowing a gas through a volume of the spectrometer, the volume being a volume through which light from a sample passes along a first path to reach a first detector and the gas being transparent to the light in a spectral region analysed by the spectrometer; transmitting light from a light source along a second path through the gas to a second detector; detecting an intensity of the light from the light source at the second detector at one or more wavelengths of the light; comparing the detected intensity of the light to a respective setpoint corresponding to a desired transmittance of the gas in the volume of the spectrometer and generating at least one error signal based on the comparison; and adjusting a flow rate of the gas through the volume of the spectrometer based on the error signal, in particular to minimise the difference between the detected intensity and setpoint.
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