JP6132362B2 - ポンプ・プローブ分光法におけるパルス管理装置 - Google Patents
ポンプ・プローブ分光法におけるパルス管理装置 Download PDFInfo
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- JP6132362B2 JP6132362B2 JP2014517893A JP2014517893A JP6132362B2 JP 6132362 B2 JP6132362 B2 JP 6132362B2 JP 2014517893 A JP2014517893 A JP 2014517893A JP 2014517893 A JP2014517893 A JP 2014517893A JP 6132362 B2 JP6132362 B2 JP 6132362B2
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- 239000000523 sample Substances 0.000 title claims description 42
- 238000004611 spectroscopical analysis Methods 0.000 title description 7
- 238000005259 measurement Methods 0.000 claims description 19
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- 230000003287 optical effect Effects 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 7
- 238000013213 extrapolation Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
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- 238000009615 fourier-transform spectroscopy Methods 0.000 description 1
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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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
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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
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- G—PHYSICS
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- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
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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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/636—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited using an arrangement of pump beam and probe beam; using the measurement of optical non-linear properties
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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
- G01N2021/1734—Sequential different kinds of measurements; Combining two or more methods
- G01N2021/1736—Sequential different kinds of measurements; Combining two or more methods with two or more light sources
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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
- G01N2021/1789—Time resolved
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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
- G01N2021/1789—Time resolved
- G01N2021/1791—Time resolved stroboscopic; pulse gated; time range gated
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Description
Claims (6)
- 「ポンプ」パルスと呼ばれる第1の光パルスを受けたサンプルの反応を測定するための、光パルスの管理装置であって、
前記測定は、「プローブ」パルスと呼ばれ、前記「ポンプ」パルスに対して所定の時間間隔だけシフトした、第2の光パルスを受けたサンプルにより発生したシグナルを、分析することにより実行され、
二つの超短パルスレーザ光源(1、3)からそれぞれ発生し、「ポンプ」ビームと呼ばれる第1ビーム及び「プローブ」ビームと呼ばれる第2ビームの二つの光ビームのパルスの検出に適した、二つの光検出器(21、23)であって、前記各ビームは、相異なった、任意の、かつ、測定可能なジッター現象がない所定の期間Δt安定した、各繰り返し周波数を有し、前記サンプルの方向に向かうパルスを発生する、光検出器と、
前記第1ビーム及び前記第2ビームそれぞれから生じ、前記サンプルの反応を測定するための「ポンプ」パルス及び「プローブ」パルスを構成する、二つのパルスの間の前記時間間隔を決定するのに適し、前記光検出器が接続されたコンピュータ(25)とを含み、
前記コンピュータは、前記サンプルの反応を測定するための分析器(15)に接続するコネクタを備え、入力パラメータとして、前記二つのパルスを含む測定のための前記コンピュータにより決定された前記時間間隔を有し、
前記コンピュータは、二つのパルスの間の時間をアポステリオリに決定するために前記Δtの間前記繰り返し周波数の安定性を利用したアルゴリズムを用い、前記コンピュータは、前記第1ビームのパルスと前記第2ビームのパルスの間の時間的な一致を検出し、内挿又は外挿により、二つのパルス間の前記時間間隔の発展の法則を決定するために、二つの同時発生の間に各ビームにより生成されたパルスの数をカウントするのに適していることを特徴とする装置。 - 前記二つのビームの各々に位置する二つのパルス選択器をさらに備え、
前記各選択器は、サンプルに向けて、サンプルが置かれた前記ビームの特定のパルスを送信するのに適し、
前記送信されたパルスは、前記第1ビームの選択されたパルス及び前記第2ビームの選択されたパルスの間の前記時間間隔が所定の値を有するように、前記コンピュータにより選択されることを特徴とする請求項1に記載の装置。 - 前記パルス選択器は光増幅器であることを特徴とする請求項2に記載の装置。
- 前記コンピュータは、一連のパルス対の前記時間間隔の全てが所定の測定間隔のサンプリングを可能とするように、各対が前記第1ビームのパルスと前記第2ビームのパルスからなる一連のパルス対を選択するのに適していることを特徴とする請求項1〜3のいずれか一項に記載の装置。
- 前記光検出器は干渉計の形で接続され、二つのパルスの時間的重ね合わせが前記コンピュータに対して一致シグナルをトリガーするように、前記干渉計の干渉シグナルは少なくとも一つのフォトダイオードにより検出されることを特徴とする請求項1〜4のいずれか一項に記載の装置。
- 前記光検出器はそれぞれ、各パルスを、電子的「時間―デジタル変換器」(TDC)回路に対する入力信号として機能する電気信号に変換するのに適した、一つのフォトダイオードを備えることを特徴とする請求項1〜4のいずれか一項に記載の装置。
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FR1155799A FR2977320B1 (fr) | 2011-06-29 | 2011-06-29 | Dispositif de gestion d'impulsions en spectroscopie pompe-sonde. |
FR1155799 | 2011-06-29 | ||
PCT/FR2012/051494 WO2013001242A1 (fr) | 2011-06-29 | 2012-06-28 | Dispositif de gestion d'impulsions en spectroscopie pompe - sonde |
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JP2014518387A JP2014518387A (ja) | 2014-07-28 |
JP2014518387A5 JP2014518387A5 (ja) | 2015-08-13 |
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JP2017161535A (ja) * | 2011-06-29 | 2017-09-14 | エコール ポリテクニーク/デジェアエルEcole Polytechnique/Dgar | ポンプ・プローブ分光法におけるパルス管理装置 |
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US9151407B2 (en) * | 2012-11-02 | 2015-10-06 | Fisher Controls International Llc | Valve cage having zero dead band between noise abatement and high capacity flow sections |
ITUB20154173A1 (it) | 2015-10-01 | 2017-04-01 | Datalogic IP Tech Srl | Sensore optoelettronico e metodo di funzionamento di un sensore optoelettronico |
EP3896462A4 (en) * | 2018-12-13 | 2022-08-10 | Gtheranostics Co., Ltd. | OPTICAL OUTPUT SYSTEM, MEASUREMENT SYSTEM, OPTICAL PUMP PROBE SCANNING TUNNELING MICROSCOPE SYSTEM, COMPUTER DEVICE, CALCULATION PROGRAM AND METHOD |
CN111665222A (zh) * | 2020-07-17 | 2020-09-15 | 中国科学院长春光学精密机械与物理研究所 | 飞秒泵浦探测系统及方法 |
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JPH05172739A (ja) * | 1991-12-19 | 1993-07-09 | Nippon Steel Corp | 超短パルス光を用いた超高速表面振動の測定法 |
US5258612A (en) * | 1992-04-01 | 1993-11-02 | Clark William G | Timed-resolved spectroscopy with split pump and probe pulses |
US5706094A (en) * | 1995-08-25 | 1998-01-06 | Brown University Research Foundation | Ultrafast optical technique for the characterization of altered materials |
JP3288672B2 (ja) * | 2000-02-17 | 2002-06-04 | 科学技術振興事業団 | 試料の物理的性質の測定装置 |
US20060191884A1 (en) * | 2005-01-21 | 2006-08-31 | Johnson Shepard D | High-speed, precise, laser-based material processing method and system |
FR2892511B1 (fr) * | 2005-10-21 | 2008-05-09 | Centre Nat Rech Scient | Dispositif d'echantillonnage optique heterodyne |
JP4839481B2 (ja) * | 2006-11-29 | 2011-12-21 | 独立行政法人科学技術振興機構 | ポンププローブ測定装置及びそれを用いた走査プローブ顕微鏡装置 |
US7817270B2 (en) * | 2007-02-05 | 2010-10-19 | Alex Gusev | Nanosecond flash photolysis system |
FR2977320B1 (fr) * | 2011-06-29 | 2014-11-21 | Ecole Polytech | Dispositif de gestion d'impulsions en spectroscopie pompe-sonde. |
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JP2017161535A (ja) * | 2011-06-29 | 2017-09-14 | エコール ポリテクニーク/デジェアエルEcole Polytechnique/Dgar | ポンプ・プローブ分光法におけるパルス管理装置 |
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WO2013001242A1 (fr) | 2013-01-03 |
FR2977320A1 (fr) | 2013-01-04 |
US10190972B2 (en) | 2019-01-29 |
FR2977320B1 (fr) | 2014-11-21 |
JP2014518387A (ja) | 2014-07-28 |
US20140293288A1 (en) | 2014-10-02 |
JP6470343B2 (ja) | 2019-02-13 |
EP2726853A1 (fr) | 2014-05-07 |
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