JP4753947B2 - 位相感応性ヘテロダイン・コヒーレント・アンチ・ストークス・ラマン散乱顕微分光法、ならびに顕微鏡観察システムおよび方法 - Google Patents
位相感応性ヘテロダイン・コヒーレント・アンチ・ストークス・ラマン散乱顕微分光法、ならびに顕微鏡観察システムおよび方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 28
- 238000000386 microscopy Methods 0.000 title claims description 17
- 230000001427 coherent effect Effects 0.000 title claims description 7
- 238000001634 microspectroscopy Methods 0.000 title claims description 7
- 238000001069 Raman spectroscopy Methods 0.000 title description 18
- 230000005672 electromagnetic field Effects 0.000 claims description 46
- 238000001514 detection method Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 15
- 230000003993 interaction Effects 0.000 claims description 10
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 239000000523 sample Substances 0.000 description 40
- 238000001228 spectrum Methods 0.000 description 19
- 230000003595 spectral effect Effects 0.000 description 14
- 230000002269 spontaneous effect Effects 0.000 description 10
- 238000003384 imaging method Methods 0.000 description 8
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 6
- 230000005284 excitation Effects 0.000 description 6
- 238000005305 interferometry Methods 0.000 description 5
- 238000001237 Raman spectrum Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000002123 temporal effect Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000006059 cover glass Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010034960 Photophobia Diseases 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012472 biological sample Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 208000013469 light sensitivity Diseases 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000011158 quantitative evaluation Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G01N21/62—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
- 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
- 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
- G01N21/65—Raman scattering
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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
- G01N21/65—Raman scattering
- G01N2021/653—Coherent methods [CARS]
-
- 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
- G01N21/65—Raman scattering
- G01N2021/653—Coherent methods [CARS]
- G01N2021/656—Raman microprobe
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Spectrometry And Color Measurement (AREA)
Description
Claims (15)
- 試料体積中で誘起される非線形コヒーレント場を検出するシステムであって、
第1周波数で第1電磁場を発生する第1のソースと、
第2周波数で第2電磁場を発生する第2のソースと、
前記第1の電磁場の第1の部分および第2の電磁場の第1の部分を前記試料体積方向に導く第1の光学系と、
前記第1の電磁場の第2の部分および第2の電磁場の第2の部分を局部発振器の体積方向に導く第2の光学系と、
前記試料体積中で前記第1の電磁場の第1の部分と前記第2の電磁場の第1の部分との相互作用により発生する第1の散乱場と、前記局部発振器中で前記第1の電磁場の第2の部分と前記第2の電磁場の第2の部分との相互作用により発生する第2の散乱場とを混合する第3の光学系と、
前記第1の散乱場と前記第2の散乱場に応答して、少なくとも前記第1の散乱場の実成分と虚成分を検出する検出システムであって、干渉計から供給される出力信号に応答して前記第1の散乱場の振幅情報と位相情報とを求め、前記振幅情報と前記位相情報から前記実成分と虚成分を検出する検出システムと、
を含むシステム。 - 前記第1の散乱場は第1の位相を有し、前記第2の散乱場は前記第1の位相と異なる第2の位相を有する、請求項1に記載のシステム。
- 前記第1の位相と前記第2の位相の少なくとも一方は、前記第1の位相と前記第2の位相の他方の位相とは無関係に変更可能である、請求項2に記載のシステム。
- 前記第1の散乱場のパス長と前記第2の散乱場のパス長との差は変更可能である、請求項1に記載のシステム。
- 前記システムは顕微分光法(マイクロスペクトロスコピー)に使用される、請求項1に記載のシステム。
- 前記システムは顕微鏡観察法(マイクロスコピー)に使用される、請求項1に記載のシステム。
- 前記試料体積と前記局部発振器体積とは光路上互いに並列位置に配置される、請求項1に記載のシステム。
- 前記試料体積と前記局部発振器体積とは光路上互いに直列位置に配置される、請求項1に記載のシステム。
- 前記第2の散乱場は、前記第1の電磁場と前記第2の電磁場とともに前記第1の光学系の少なくとも一部を通る、請求項8に記載のシステム。
- 前記システムは、前記検出システムに接続し得る位相ロック増幅器をさらに含む、請求項1に記載のシステム。
- 試料体積中で誘起される非線形コヒーレント場を検出する方法であって、
第1周波数で第1電磁場を発生するステップと、
第2周波数で第2電磁場を発生するステップと、
前記第1の電磁場の第1の部分および第2の電磁場の第1の部分を、第1の焦点レンズを通って前記試料体積方向に導くステップと、
前記第1の電磁場の第2の部分および第2の電磁場の第2の部分を、第2の焦点レンズを通って局部発振器の体積方向に導くステップと、
前記試料体積中で前記第1の電磁場の第1の部分と前記第2の電磁場の第1の部分との相互作用により発生する第1の散乱場と、前記局部発振器体積中で前記第1の電磁場の第2の部分と前記第2の電磁場の第2の部分との相互作用により発生する第2の散乱場とを干渉させるステップと、
前記第1の散乱場と前記第2の散乱場との干渉に応答して、少なくとも前記第1の散乱場の実成分と虚成分を決定するステップであって、干渉計から供給される出力信号に応答して前記第1の散乱場の振幅情報と位相情報とを求め、前記振幅情報と前記位相情報から前記実成分と虚成分を決定するステップと、
を含む方法。 - 前記方法は、前記第1の散乱場の第1の位相と前記第2の散乱場の第2の位相との位相差を調整するステップをさらに含む、請求項11に記載の方法。
- 前記方法は、前記第1の散乱場と前記第2の散乱場とを前記試料体積中で混合するステップをさらに含む、請求項11に記載の方法。
- 前記方法は、前記第2の散乱場を前記試料体積より前に前記第1および第2の電磁場と混合するステップをさらに含む、請求項11に記載の方法。
- 前記方法は、前記出力信号を検波器で受信するステップと、検波信号を位相ロック増幅器に与えるステップとをさらに含む、請求項11に記載の方法。
Applications Claiming Priority (3)
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US57814604P | 2004-06-09 | 2004-06-09 | |
US60/578,146 | 2004-06-09 | ||
PCT/US2005/019745 WO2005124322A1 (en) | 2004-06-09 | 2005-06-03 | Phase sensitive heterodyne coherent anti-stokes raman scattering micro-spectroscopy and microscopy systems and methods |
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JP4753947B2 true JP4753947B2 (ja) | 2011-08-24 |
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US (1) | US7388668B2 (ja) |
EP (1) | EP1754047A1 (ja) |
JP (1) | JP4753947B2 (ja) |
WO (1) | WO2005124322A1 (ja) |
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- 2005-06-03 JP JP2007527608A patent/JP4753947B2/ja active Active
- 2005-06-03 EP EP05756276A patent/EP1754047A1/en not_active Ceased
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US20050280827A1 (en) | 2005-12-22 |
WO2005124322A1 (en) | 2005-12-29 |
EP1754047A1 (en) | 2007-02-21 |
US7388668B2 (en) | 2008-06-17 |
JP2008502915A (ja) | 2008-01-31 |
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