JP7356498B2 - プラズマスペクトル分析を介してサンプルの材料組成を分析するための装置 - Google Patents
プラズマスペクトル分析を介してサンプルの材料組成を分析するための装置 Download PDFInfo
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
- G01N21/718—Laser microanalysis, i.e. with formation of sample plasma
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
- G01J3/1804—Plane gratings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/443—Emission spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4788—Diffraction
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
- G01J2003/1814—Double monochromator
- G01J2003/1819—Double pass monochromator
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Description
本出願は、2018年9月13日に出願された米国特許出願シリアル番号16/130,563号の利益を主張し、この内容は、引用により全体が本明細書に組み込まれる。
本発明は、一般に、レーザー誘起ブレークダウン分光システムに関する。
試験機器の波長
Claims (11)
- レーザー放射下にあるターゲットの材料から生成されたプラズマ放出光のプラズマスペクトル分析を介してサンプルの材料組成を分析するための装置であって、
プラズマスペクトル分析用のビームを放出するように構成されたレーザー組立体と、
前記ターゲットのプラズマスペクトル分析のために前記ターゲットにビームを向け、前記ビームの放射下にある前記ターゲットから生成されたプラズマからのプラズマ放出光を収集するように構成された光学組立体と、
収集された前記プラズマ放出光を前記光学組立体から受け取るように前記光学組立体に対して配置された分散モジュールと、を備え、
前記分散モジュールが第1の回折格子を含み、該第1の回折格子は、前記光学組立体から放出されたプラズマが前記第1の回折格子によって回折されるように構成され、
前記分散モジュールが第2の回折格子を含み、該第2の回折格子は、前記第1の回折格子によって回折された光が前記第2の回折格子によっても回折されるように構成され、
前記分散モジュールは、前記光が前記第1及び第2の回折格子によって回折された後、前記分散モジュールから光を透過するように構成され、
前記第1の回折格子及び前記第2の回折格子は、前記光学組立体から受け取った光が前記分散モジュールから方向付けされる前に少なくとも2回前記第1の回折格子に接触するように前記分散モジュール内に位置決めされ、
前記装置は、更に、前記レーザー組立体、前記光学組立体、及び前記分散モジュールを内包するハウジングを備えている、
ことを特徴とする装置。 - 前記第1の回折格子及び前記第2の回折格子が、反射型回折格子である、
請求項1に記載の装置。 - 前記第1の回折格子及び前記第2の回折格子は、前記分散モジュールの調整を提供するために前記分散モジュール内に移動可能に取り付けられる、
請求項1に記載の装置。 - 前記分散モジュールが、20mrad/nmの全体的な分散定格を有する、
請求項1に記載の装置。 - 前記第1の回折格子及び前記第2の回折格子のうちの少なくとも1つが透過型回折格子である、
請求項1に記載の装置。 - 前記第1の回折格子及び前記第2の回折格子のうちの少なくとも1つがブレーズド回折格子である、
請求項1に記載の装置。 - 前記ブレーズド回折格子が、150nmから250nmの間の波長に最適化されている、
請求項6に記載の装置。 - 175nmから200nmの間の波長に最適化されたブレーズド回折格子である、
請求項7に記載の装置。 - 前記分散モジュールからの光を受け取るように構成されたファイバアダプタを更に備える、
請求項1に記載の装置。 - 前記ファイバアダプタに光学的に結合された分光計を更に備える、
請求項9に記載の装置。 - 前記分光計が、情報を分析するように構成された少なくとも1つのプロセッサと、前記プロセッサによって実行可能な命令を格納する少なくとも1つのメモリと、を備えている、
請求項10に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/130,563 | 2018-09-13 | ||
US16/130,563 US10234396B1 (en) | 2018-09-13 | 2018-09-13 | Device for analyzing the material composition of a sample via plasma spectrum analysis |
PCT/US2019/050737 WO2020056082A1 (en) | 2018-09-13 | 2019-09-12 | Device for analyzing the material composition of a sample via plasma spectrum analysis |
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JP2022500655A JP2022500655A (ja) | 2022-01-04 |
JP7356498B2 true JP7356498B2 (ja) | 2023-10-04 |
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JP2021514609A Active JP7356498B2 (ja) | 2018-09-13 | 2019-09-12 | プラズマスペクトル分析を介してサンプルの材料組成を分析するための装置 |
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Country | Link |
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US (1) | US10234396B1 (ja) |
EP (1) | EP3850343A1 (ja) |
JP (1) | JP7356498B2 (ja) |
WO (1) | WO2020056082A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000162042A (ja) | 1998-11-30 | 2000-06-16 | Anritsu Corp | 分光器 |
JP2001242010A (ja) | 2000-02-28 | 2001-09-07 | Komatsu Ltd | 分光装置 |
JP2004184354A (ja) | 2002-12-06 | 2004-07-02 | Shimadzu Corp | 分光光度計 |
JP2010519554A (ja) | 2007-02-23 | 2010-06-03 | サーモ ニトン アナライザーズ リミテッド ライアビリティ カンパニー | 手持ち式内蔵型発光分光(oes)分析器 |
JP2019500612A (ja) | 2015-12-29 | 2019-01-10 | オーク アナリティクス | コンパクトスペクトロメータ |
Family Cites Families (3)
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JP5339027B2 (ja) * | 2008-01-25 | 2013-11-13 | 横河電機株式会社 | 分光器 |
US8514394B2 (en) * | 2010-08-09 | 2013-08-20 | Bayspec, Inc. | Spectrograph having multiple wavelength ranges for high resolution raman spectroscopy |
US9645088B2 (en) * | 2015-09-30 | 2017-05-09 | Rigaku Americas Holding, Inc. | Device for analyzing the material composition of an object via plasma spectrum analysis |
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2018
- 2018-09-13 US US16/130,563 patent/US10234396B1/en active Active
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- 2019-09-12 JP JP2021514609A patent/JP7356498B2/ja active Active
- 2019-09-12 WO PCT/US2019/050737 patent/WO2020056082A1/en unknown
- 2019-09-12 EP EP19779243.5A patent/EP3850343A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000162042A (ja) | 1998-11-30 | 2000-06-16 | Anritsu Corp | 分光器 |
JP2001242010A (ja) | 2000-02-28 | 2001-09-07 | Komatsu Ltd | 分光装置 |
JP2004184354A (ja) | 2002-12-06 | 2004-07-02 | Shimadzu Corp | 分光光度計 |
JP2010519554A (ja) | 2007-02-23 | 2010-06-03 | サーモ ニトン アナライザーズ リミテッド ライアビリティ カンパニー | 手持ち式内蔵型発光分光(oes)分析器 |
JP2019500612A (ja) | 2015-12-29 | 2019-01-10 | オーク アナリティクス | コンパクトスペクトロメータ |
Non-Patent Citations (2)
Title |
---|
MAZZACURATI V; ET AL,A NEW CLASS OF MULTIPLE DISPERSION GRATING SPECTROMETERS,JOURNAL OF PHYSICS E. SCIENTIFIC INSTRUMENTS,英国,IOP PUBLISHING,1988年08月,VOL:21, NR:8,PAGE(S):798-804,http://dx.doi.org/10.1088/0022-3735/21/8/012 |
YAJUN PANG; ET AL,COMPACT HIGH-RESOLUTION SPECTROMETER USING TWO PLANE GRATINGS WITH TRIPLE DISPERSION,OPTICS EXPRESS,2018年03月,VOL:26, NR:5,PAGE(S):6382-6391,http://dx.doi.org/10.1364/OE.26.006382 |
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Publication number | Publication date |
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US10234396B1 (en) | 2019-03-19 |
JP2022500655A (ja) | 2022-01-04 |
EP3850343A1 (en) | 2021-07-21 |
WO2020056082A1 (en) | 2020-03-19 |
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