JP2006523376A - 時間窓における光子の選択的増幅装置及び方法 - Google Patents
時間窓における光子の選択的増幅装置及び方法 Download PDFInfo
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
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- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
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- 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
- G01N21/4795—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
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Abstract
Description
a)信号光子を、励起された増幅媒体(例えば、レーザ媒体)に照射して、誘導放射を発生するステップと、
b)クエンチパルスを前記増幅媒体に照射することによって、前記時間窓の終了時に前記増幅媒体を非励起状態にするステップとを具える。
Claims (17)
- 時間窓の信号光子の選択的増幅方法であって、
a)信号光子を、励起された増幅媒体に照射して、誘導放射を発生するステップと、
b)クエンチパルスを前記増幅媒体に照射することによって、前記時間窓の終了時に前記増幅媒体を非励起状態にするステップとを具えることを特徴とする方法。 - 前記クエンチパルスを、前記信号光子の伝播方向にほぼ垂直に照射することを特徴とする請求項1記載の方法。
- 前記クエンチパルスを、前記信号光子の伝播方向にほぼ平行に照射することを特徴とする請求項1記載の方法。
- 前記信号光子の照射開始後に前記増幅媒体がポンプパルスによって励起されることを特徴とする請求項1記載の方法。
- 前記信号光子の伝播方向で前記増幅媒体から到来する放出が、好適にはスペクトル、偏光及び/又は強度に関してフィルタ処理されることを特徴とする請求項1記載の方法。
- 時間窓の信号光子の選択的増幅装置であって、増幅される信号光子を照射することができる励起しうる増幅媒体と、前記増幅媒体を非励起状態にするクエンチパルスを照射するクエンチ装置とを具えることを特徴とする装置。
- 前記装置が、前記増幅媒体を励起するポンプパルスを照射するポンプ装置を有することを特徴とする請求項6記載の装置。
- 前記装置が、光パルスを発生する光源と、前記光パルスを、増幅される信号光子の信号パルスとクエンチパルスとに分離するビームスプリッタとを有することを特徴とする請求項6記載の装置。
- スペクトルフィルタ、偏光フィルタ及び/又は飽和性吸収体を、前記増幅媒体からの出射方向に配置することを特徴とする請求項6記載の装置。
- 前記信号光子が、身体に隠された器械、特にカテーテルから放出され、直接的な放射の信号光子のみが増幅されるように前記時間窓が選択されることを特徴とする請求項6記載の装置。
- 器械の位置決め装置であって、
a)前記器械の少なくとも一つの放出点から到来する信号光子の局所的に分析された検出を行い、請求項6〜10のうちのいずれかに記載の少なくとも一つの装置を具える少なくとも一つの検出器と、
b)前記放出店の位置を、前記検出器の測定値から再構成する手段とを具えることを特徴とする装置。 - 請求項11記載の装置の器械として用いられるカテーテルであって、前記カテーテルが、前記信号光子の少なくとも一つの放出点を具えることを特徴とするカテーテル。
- 複数の光ガイドを具え、その各々が、放出点として機能する少なくとも一つの光散乱部を具えることを特徴とする請求項12記載のカテーテル。
- 信号光子検出用の少なくとも一つの検出器を有する光コンピュータ断層X線撮影装置であって、請求項6〜10のうちのいずれかに記載の少なくとも一つの装置を具えることを特徴とする光コンピュータ断層X線撮像装置。
- 散乱されない信号光子のみを検出するように前記検出器が設けられたことを特徴とする請求項14記載の光コンピュータ断層X線撮像装置。
- 信号光子検出用の少なくとも一つの検出器を有する光分子撮像装置であって、請求項6から10のうちのいずれかに記載の少なくとも一つの装置を具えることを特徴とする光分子撮像装置。
- 信号光子検出用の少なくとも一つの検出器を有する光時間分析用分光装置であって、請求項6から10のうちのいずれかに記載された少なくとも一つの装置を具えることを特徴とする光時間分析用分光装置。
Applications Claiming Priority (2)
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EP03100569 | 2003-03-07 | ||
PCT/IB2004/000555 WO2004079444A2 (en) | 2003-03-07 | 2004-03-03 | Method and device for time-gated amplification of photons |
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JP2006523376A true JP2006523376A (ja) | 2006-10-12 |
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US (1) | US20060187533A1 (ja) |
EP (1) | EP1604243A2 (ja) |
JP (1) | JP2006523376A (ja) |
WO (1) | WO2004079444A2 (ja) |
Cited By (3)
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JP2011169688A (ja) * | 2010-02-17 | 2011-09-01 | Yamatake Corp | 測定システム及び測定方法 |
JP4871121B2 (ja) * | 2003-03-07 | 2012-02-08 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 身体内における器具の位置を特定するための装置及び方法 |
JP2019525801A (ja) * | 2016-07-07 | 2019-09-12 | ザ ユニバーシティー コート オブ ザ ユニバーシティー オブ エジンバラThe University Court Of The University Of Edinburgh | イメージング法及びイメージング装置 |
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DE102007039111B4 (de) * | 2007-08-18 | 2014-11-20 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | STED-Fluoreszenzmikroskopie mit Zweiphotonen-Anregung |
US20140088415A1 (en) * | 2010-12-13 | 2014-03-27 | Andreas H. Hielscher | Medical imaging devices, methods, and systems |
US10219700B1 (en) | 2017-12-15 | 2019-03-05 | Hi Llc | Systems and methods for quasi-ballistic photon optical coherence tomography in diffusive scattering media using a lock-in camera detector |
US10368752B1 (en) | 2018-03-08 | 2019-08-06 | Hi Llc | Devices and methods to convert conventional imagers into lock-in cameras |
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2004
- 2004-03-03 EP EP04716665A patent/EP1604243A2/en not_active Withdrawn
- 2004-03-03 JP JP2006506277A patent/JP2006523376A/ja active Pending
- 2004-03-03 US US10/547,589 patent/US20060187533A1/en not_active Abandoned
- 2004-03-03 WO PCT/IB2004/000555 patent/WO2004079444A2/en active Application Filing
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4871121B2 (ja) * | 2003-03-07 | 2012-02-08 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 身体内における器具の位置を特定するための装置及び方法 |
JP2011169688A (ja) * | 2010-02-17 | 2011-09-01 | Yamatake Corp | 測定システム及び測定方法 |
JP2019525801A (ja) * | 2016-07-07 | 2019-09-12 | ザ ユニバーシティー コート オブ ザ ユニバーシティー オブ エジンバラThe University Court Of The University Of Edinburgh | イメージング法及びイメージング装置 |
JP7150694B2 (ja) | 2016-07-07 | 2022-10-11 | ザ ユニバーシティー コート オブ ザ ユニバーシティー オブ エジンバラ | 装置の作動方法、装置及びコンピュータプログラム |
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WO2004079444A3 (en) | 2004-11-11 |
WO2004079444A2 (en) | 2004-09-16 |
US20060187533A1 (en) | 2006-08-24 |
EP1604243A2 (en) | 2005-12-14 |
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