JPH10512958A - 時分解光学測定用装置及び方法 - Google Patents
時分解光学測定用装置及び方法Info
- Publication number
- JPH10512958A JPH10512958A JP8522905A JP52290596A JPH10512958A JP H10512958 A JPH10512958 A JP H10512958A JP 8522905 A JP8522905 A JP 8522905A JP 52290596 A JP52290596 A JP 52290596A JP H10512958 A JPH10512958 A JP H10512958A
- Authority
- JP
- Japan
- Prior art keywords
- excitation
- sample
- probe
- mask
- diffraction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- G01N21/1717—Systems in which incident light is modified in accordance with the properties of the material investigated with a modulation of one or more physical properties of the sample during the optical investigation, e.g. electro-reflectance
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Nonlinear Science (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.(a)放射ビームを放射し、前記放射ビームを回折マスク上のパターンに ビームを通過させ、少なくとも2つの励起サブビームを形成する段階と、 (b)像形成装置によってサンプルの領域に少なくとも2つの励起サブビーム を重複させて、サンプルの領域にトランジェント格子を励起する空間的に変化す る光領域を発生する段階と、 (c)プローブビームの少なくとも一部がトランジェント格子によって回折す るように向けられたプローブビームでトランジェント格子を照射する段階と、 (d)光検出器でプローブビームの回折部分を検出する段階と、 (e)光検出器からの前記光誘導信号を分析して前記サンプルの特性を決定す る段階と、を有するサンプルの特性を決定する方法。 2.前記回折パターンが、少なくとも1つの空間的な周波数を有する交互に配 置された光変調領域を有し、励起ビームは、回折パターンの光変調領域から出る 励起ビームを回折することによって少なくとも0番目、+1及びー1番目の励起 サブビームに分離される請求項1に記載の方法。 3.前記重複段階が、サンプル上に励起サブビームを重複させる前に、像形成 装置を通る少なくとも+1及びー1励起サブビームを通過させる段階を有する請 求項2に記載の方法。 4.前記像形成装置が、少なくとも1つの前記サンプル上に回折パターンの光 変調領域の空間周波数の像を形成し、空間的に変化する光学領域を形成する請求 項3に記載の方法。 5.光変調領域及び空間的な変化光学領域の少なくとも1つの空間的な周波数 が等価である請求項4に記載の方法。 6.前記励起ビームが、段階(a)の前に励起ビームが回折パターンに焦点を 合わせられる請求項1に記載の方法。 7.前記励起ビームが、回折パターン上に焦点を合わせられる請求項6に記載 の方法。 8.前記ビーム及び励起ビームが、段階(a)の前に直線化される請求項1に 記載の方法。 9.段階(a)は、プローブビームを第1のマスクの回折パターンを通過させ ることによってプローブビームを少なくとも2つのプローブビームに分離する段 階を有する請求項8に記載の方法。 10.前記プローブサブビームが、前記サンプルの領域に誘導された格子を照 射する前に像形成装置を通過する請求項8に記載の方法。 11.前記像形成装置が、1:1の像形成装置である請求項10に記載の方法 。 12.段階(b)及び段階(c)の間に、前記励起サブビームが第2のマスク で空間的に濾波される請求項1または9に記載の方法。 13.前記第1及び第2のマスクが、1つのユニットにある請求項12に記載 の方法。 14.前記空間的な濾波が、+1及びー1の励起及びサブビームを伝達する請 求項12に記載の方法。 15.前記分析段階が、前記サンプルの分散を決定する段階を有する請求項1 に記載の方法。 16.前記分散が、前記サンプルの機械的、熱的、光学的または電気的な特性 を決定するために使用される請求項15に記載の方法。 17.前記機械的特性が、接着性、弾性係数、こわさ、残留応力及び密度であ る請求項16に記載の方法。 18.前記分散が、決定され、複数の空間的な周波数を有する1つの空間的に 変化する光学的な領域でサンプルで複数のトランジェント格子を誘導する請求項 15に記載の方法。 19.前記分散が、決定され、各々が1つの空間的な周波数を有する複数の空 間的に変化する光学領域でサンプルの複数のトランジェント格子を誘導する請求 項15に記載の方法。 20.(a)ビームを放射し、前記放射ビームを回折マスク上のパターンにビ ームを通過させ、少なくとも2つの励起サブビームを形成する段階と、 (b)像形成装置によってサンプルの領域に少なくとも2つの励起サブビーム を重複させて、サンプルの領域にトランジェント格子を励起する空間的に変化す る光領域を発生する段階と、 (c)プローブビームの少なくとも一部がトランジェント格子によって回折す るように向けられたプローブビームでトランジェント格子を照射する段階と、を 有するサンプルの特性を決定する方法。 21.光軸に沿って向けられたプローブ光学ビーム及び励起光学ビームを発生 する装置と、 光軸に沿って配置されると共に、励起ビームで照射されたとき励起ビームを回 折して少なくとも2つの励起サブビームを発生するように構成された光回折パタ ーンを有する第1の回折マスクと、 前記光軸に沿って配置された少なくとも1つのレンズを有する像形成装置であ って、励起サブビームをサンプルの領域に焦点を合わせて前記サンプルの領域で トランジェント格子を励起する空間的に変化する光学領域を発生し、前記格子は 、前記サンプルの励起領域から出るプローブビームの一部の回折を可能する像形 成装置と、を有するサンプルから出るプローブビームの一部を回折する装置。 22.前記回折パターンが、目視可能な回折すなわち、赤外線放射を可能にす る距離だけ間隔を置いた一連の透明な領域を有する請求項21に記載の装置。 23.前記回折パターンが、目視可能な回折すなわち、赤外線放射を可能にす る距離だけの深さ及び間隔を置いてエッチング加工された一連の透明な領域を有 する請求項21に記載の装置。 24.前記装置が、前記空間的に濾過されたマスクが前記回折された励起サブ ビームの空間的な濾波を可能にするように光軸に沿って配置された一対の開口部 を有する第2の空間的に濾波されたマスクを有する請求項21に記載の装置。 25.前記回折及び空間的なフィルタマスクが、1つのユニットに形成される 請求項24に記載の装置。 26.前記フィルタマスクが、複数対の開口部を有する請求項24に記載の装 置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US37731095A | 1995-01-24 | 1995-01-24 | |
| US08/377,310 | 1995-01-24 | ||
| PCT/US1996/000552 WO1996023197A1 (en) | 1995-01-24 | 1996-01-16 | Device and method for time-resolved optical measurements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10512958A true JPH10512958A (ja) | 1998-12-08 |
| JP3581369B2 JP3581369B2 (ja) | 2004-10-27 |
Family
ID=23488585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52290596A Expired - Lifetime JP3581369B2 (ja) | 1995-01-24 | 1996-01-16 | 時分解光学測定用装置及び方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5734470A (ja) |
| EP (1) | EP0805947A4 (ja) |
| JP (1) | JP3581369B2 (ja) |
| IL (1) | IL116789A (ja) |
| WO (1) | WO1996023197A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030027833A (ko) * | 2001-09-27 | 2003-04-07 | 후지 샤신 필름 가부시기가이샤 | 초음파 수신장치 및 그것을 이용한 초음파 진단장치 |
| JP2006505360A (ja) * | 2002-11-07 | 2006-02-16 | インフラレドックス インコーポレーティッド | 改良された視野を有する分光器 |
| WO2007010639A1 (ja) * | 2005-07-20 | 2007-01-25 | Shimadzu Corporation | 光学的測定装置 |
| JP2007040807A (ja) * | 2005-08-02 | 2007-02-15 | Hokkaido Univ | 動的階層構造の解析方法とその装置 |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6052185A (en) * | 1997-06-30 | 2000-04-18 | Active Impulse Systems Inc. | Method and apparatus for measuring the concentration of ions implanted in semiconductor materials |
| WO1999000641A1 (en) * | 1997-06-30 | 1999-01-07 | Koninklijke Philips Electronics N.V. | Improved method and apparatus for measuring the concentration of ions implanted in semiconductor materials |
| US6016202A (en) * | 1997-06-30 | 2000-01-18 | U.S. Philips Corporation | Method and apparatus for measuring material properties using transient-grating spectroscopy |
| US6256100B1 (en) | 1998-04-27 | 2001-07-03 | Active Impulse Systems, Inc. | Method and device for measuring the thickness of thin films near a sample's edge and in a damascene-type structure |
| US6795198B1 (en) | 1998-05-28 | 2004-09-21 | Martin Fuchs | Method and device for measuring thin films and semiconductor substrates using reflection mode geometry |
| US6069703A (en) * | 1998-05-28 | 2000-05-30 | Active Impulse Systems, Inc. | Method and device for simultaneously measuring the thickness of multiple thin metal films in a multilayer structure |
| US6204926B1 (en) | 1998-07-14 | 2001-03-20 | Massachusetts Institute Of Technology | Methods and system for optically correlating ultrashort optical waveforms |
| US6188478B1 (en) * | 1998-10-21 | 2001-02-13 | Philips Electronics North America Corporation | Method and apparatus for film-thickness measurements |
| US6587794B1 (en) * | 1999-07-30 | 2003-07-01 | Koninklijke Philips Electronics N.V. | Method for measuring thin metal films |
| GB9921970D0 (en) * | 1999-09-16 | 1999-11-17 | Univ London | An optical interferometer sensor array |
| US6577782B1 (en) * | 1999-09-23 | 2003-06-10 | Purdue Research Foundation | Direct space-to-time pulse shaper and optical pulse train generator |
| US6516103B1 (en) * | 2000-06-02 | 2003-02-04 | Trw Inc. | Optical interconnect capable of performing addition/subtraction |
| US6479822B1 (en) | 2000-07-07 | 2002-11-12 | Massachusetts Institute Of Technology | System and Method for terahertz frequency measurements |
| US6711954B2 (en) | 2001-01-19 | 2004-03-30 | Lockheed Martin Corporation | Method and apparatus for improving the dynamic range of laser detected ultrasound in attenuative materials |
| US6874707B2 (en) * | 2001-05-31 | 2005-04-05 | Terra Spase | System for automated monitoring and maintenance of crops including computer control of irrigation and chemical delivery using multiple channel conduit |
| WO2003010518A2 (en) * | 2001-07-26 | 2003-02-06 | Koninklijke Philips Electronics N.V. | Opto-acoustic apparatus with optical heterodyning for measuring solid surfaces and thin films |
| AU2003242971A1 (en) * | 2002-07-15 | 2004-02-02 | Ariel Ltd. | Method and apparatus for imaging through scattering or obstructing media |
| DE10259443B4 (de) * | 2002-12-19 | 2015-01-22 | Carl Zeiss Microscopy Gmbh | Verfahren und Anordnung zur optischen Untersuchung und/oder Bearbeitung einer Probe |
| WO2006091782A1 (en) | 2005-02-25 | 2006-08-31 | Accent Optical Technologies, Inc. | Apparatus and method for enhanced critical dimension scatterometry |
| DE102005020202A1 (de) * | 2005-04-28 | 2006-11-09 | Picoquant Gmbh | Hochauflösende optische Mikroskopie |
| GB0714563D0 (en) * | 2007-07-26 | 2007-09-05 | Malvern Instr Ltd | Apparatus and method of producing a light beam for an optical measurement instrument |
| CN102636272B (zh) * | 2012-03-22 | 2013-11-20 | 中国科学院上海光学精密机械研究所 | 基于瞬态光栅效应的飞秒激光脉冲测量的方法与装置 |
| US9128064B2 (en) * | 2012-05-29 | 2015-09-08 | Kla-Tencor Corporation | Super resolution inspection system |
| JP6044893B2 (ja) * | 2013-03-08 | 2016-12-14 | 株式会社Screenホールディングス | 検査装置および検査方法 |
| DE102019132393B4 (de) * | 2019-11-28 | 2021-07-15 | Forschungsverbund Berlin E.V. | Bereitstellen eines transienten Gitters |
| CN111272881A (zh) * | 2020-03-10 | 2020-06-12 | 南京理工大学 | 一种非接触式检测纳米薄膜热扩散率的激光超声系统及方法 |
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| CN111551503B (zh) * | 2020-04-29 | 2023-04-07 | 南京理工大学 | 一种非接触式检测材料弹性模量的激光超声系统及方法 |
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| US11660005B1 (en) | 2021-06-04 | 2023-05-30 | Huxley Medical, Inc. | Processing and analyzing biometric data |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4655547A (en) * | 1985-04-09 | 1987-04-07 | Bell Communications Research, Inc. | Shaping optical pulses by amplitude and phase masking |
| US5062693A (en) * | 1990-02-15 | 1991-11-05 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Administration | All-optical photochromic spatial light modulators based on photoinduced electron transfer in rigid matrices |
| US5132824A (en) * | 1990-08-31 | 1992-07-21 | Bell Communications Research, Inc. | Liquid-crystal modulator array |
| US5220403A (en) * | 1991-03-11 | 1993-06-15 | International Business Machines Corporation | Apparatus and a method for high numerical aperture microscopic examination of materials |
| EP0593667B1 (en) * | 1991-07-08 | 2001-12-12 | Massachusetts Institute Of Technology | Measurement of material properties with optically induced phonons |
| US5285438A (en) * | 1991-10-31 | 1994-02-08 | Regents Of The University Of California | Motionless parallel readout head for an optical disk recorded with arrayed one-dimensional holograms |
| US5344236A (en) * | 1992-01-23 | 1994-09-06 | Fishman Iiya M | Method for evaluation of quality of the interface between layer and substrate |
| US5263039A (en) * | 1992-05-18 | 1993-11-16 | The University Of Rochester | System for generating shaped optical pulses and measuring optical pulses using spectral beam deflection (SBD) |
| JP3396241B2 (ja) * | 1992-12-04 | 2003-04-14 | 科学技術振興事業団 | 過渡回折格子分光法 |
-
1996
- 1996-01-16 EP EP96903500A patent/EP0805947A4/en not_active Ceased
- 1996-01-16 IL IL11678996A patent/IL116789A/xx not_active IP Right Cessation
- 1996-01-16 JP JP52290596A patent/JP3581369B2/ja not_active Expired - Lifetime
- 1996-01-16 WO PCT/US1996/000552 patent/WO1996023197A1/en not_active Ceased
-
1997
- 1997-04-22 US US08/844,850 patent/US5734470A/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030027833A (ko) * | 2001-09-27 | 2003-04-07 | 후지 샤신 필름 가부시기가이샤 | 초음파 수신장치 및 그것을 이용한 초음파 진단장치 |
| JP2006505360A (ja) * | 2002-11-07 | 2006-02-16 | インフラレドックス インコーポレーティッド | 改良された視野を有する分光器 |
| WO2007010639A1 (ja) * | 2005-07-20 | 2007-01-25 | Shimadzu Corporation | 光学的測定装置 |
| JP2007040807A (ja) * | 2005-08-02 | 2007-02-15 | Hokkaido Univ | 動的階層構造の解析方法とその装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| IL116789A0 (en) | 1996-05-14 |
| EP0805947A1 (en) | 1997-11-12 |
| US5734470A (en) | 1998-03-31 |
| IL116789A (en) | 1999-04-11 |
| WO1996023197A1 (en) | 1996-08-01 |
| EP0805947A4 (en) | 1999-10-20 |
| JP3581369B2 (ja) | 2004-10-27 |
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