JP2008506426A - ダブルクラッドファイバを有する内視鏡撮像プローブ - Google Patents
ダブルクラッドファイバを有する内視鏡撮像プローブ Download PDFInfo
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- 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
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
- G01N21/474—Details of optical heads therefor, e.g. using optical fibres
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- G—PHYSICS
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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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/26—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes using light guides
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- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
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- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
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- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
Description
Claims (19)
- コアと少なくとも一つのクラッド領域を有する光ファイバを通じてサンプルを撮像する方法であって、
(a)前記光ファイバの前記コアを通じて第1の伝播光を前記サンプルへ伝送するステップと、
(b)前記サンプルで散乱された光を前記光ファイバの前記少なくとも一つのクラッド領域のうちの少なくとも第1のクラッド領域に集光するステップと、
を含むことを特徴とする方法。 - 前記光ファイバは複数のクラッド領域を有し、かつ前記方法は、前記サンプルで散乱された光を前記光ファイバの該複数のクラッド領域の二つ以上に集光するステップをさらに含む、請求項1に記載の方法。
- 前記サンプルで散乱された光を前記光ファイバの各クラッド領域に集光するステップをさらに含む、請求項2に記載の方法。
- 前記サンプルで散乱された光を前記光ファイバの前記コアに集光するステップをさらに含む、請求項1に記載の方法。
- 前記光ファイバは複数のクラッド領域を有し、かつ前記方法は、前記サンプルで散乱された光を前記光ファイバの前記クラッド領域の二つ以上に集光するステップをさらに含む、請求項3に記載の方法。
- 前記光ファイバの前記コアを通じて光の第1の伝播モードをサンプルへ伝送するステップは、
前記ファイバの前記コアを通じて空間的にコヒーレントな光を伝送するステップと、
前記空間的にコヒーレントな光にサンプルの表面上のスポットを結ばせるステップと、
前記サンプルの表面で散乱された光を前記ファイバの内側クラッド領域に集光するステップと、を含む請求項1に記載の方法。 - 前記光ファイバの前記コアを通じて光の第1の伝播モードをサンプルへ伝送するステップは、
空間的にコヒーレントな光にサンプルの表面上のスポットを結ばせるステップをさらに含む、請求項6に記載の方法。 - コアと少なくとも一つのクラッド領域を有する光ファイバを通じてサンプルを撮像する方法であって、
(a)前記光ファイバの前記少なくとも一つのクラッド領域の少なくとも一つの領域を通じて光の第1の伝播モードを前記サンプルへ伝送するステップと、
(b)前記サンプルで散乱された光を前記光ファイバの前記コアに集光するステップと、
を特徴とする方法。 - 前記光ファイバは複数のクラッド領域を有し、かつ前記方法は、前記サンプルで散乱された光を前記光ファイバの各クラッド領域に集光するステップをさらに含む、請求項8に記載の方法。
- 所定の解像スポットを持つ光線でサンプルを照明するように光が伝播する光透過開口を持ち、光ファイバ及び光導波路の一つとして提供される光伝送路と、
前記光透過開口よりも大きな開口を持ち、前記光伝送路と分離した集光路と、
を有することを特徴とするプローブ。 - 前記光伝送路は、ファイバコア及びファイバクラッド領域の一方に対応し、
前記光集光路は、ファイバコア及びファイバクラッド領域の他方に対応する、請求項10に記載のプローブ。 - 前記光集光路は、ファイバコア及びファイバクラッド領域の両方で提供される、請求項11に記載のプローブ。
- 前記プローブは、
(a)ダブルクラッドファイバと、
(b)マルチクラッドファイバと、
(c)一つのシングルモードファイバ及び一つのマルチモードファイバと、
(d)照明用シングルモードファイバ及び一つ以上の信号収集用マルチモード導波路と、
(e)照明用の複数のシングルモードファイバ及び一つ以上の信号収集用マルチモード導波路と、
の何れか一つからなる、請求項11に記載のプローブ。 - 前記プローブは、不整形なクラッド層を持つ、請求項11に記載のプローブ。
- コヒーレント検出を行えるように、前記シングルモード照明コア及び前記プローブ内の前記シングルモード導波路の少なくとも何れか一つから信号を受信するように前記プローブと結合されるコヒーレント検出手段をさらに有する、請求項14に記載のプローブ。
- ダブルクラッドファイバを備えたスペクトル符号化イメージング光学システム(10)であって、
光源(12)と、
前記光源から伝送される光を遮るように配置されたビームスプリッタ(BS)(14)と、
ダブルクラッドファイバであって、前記ビームスプリッタで該ダブルクラッドファイバへ向けられた光を遮るように配置され、該ダブルクラッドファイバの光伝送路に沿って光が伝播することを可能にするダブルクラッドファイバ(DCF)(16)と、
前記ダブルクラッドファイバからの光を遮るように配置されたコリメータレンズ(18)と、
イメージングプローブであって、前記コリメータレンズから該イメージングプローブへ向けられた光を受光するように配置され、サンプルへ光を向ける光伝送路と、該サンプルで反射された光を受光する光集光路とを有するイメージングプローブと、
を有することを特徴とする光学システム。 - 前記光源は広帯域光源として提供され、
前記イメージングプローブは小型イメージングプローブとして提供される、請求項16に記載のシステム。 - 前記光源は、前記光ファイバのコアまたは前記光ファイバのクラッド領域の何れか一つを通じて、空間的にコヒーレントな光の第1の伝播モードを前記サンプルへ伝送し、
前記イメージングプローブは前記空間的にコヒーレントな光にサンプルの表面上のスポットを結ばせ、
前記イメージングプローブは、ファイバのクラッド領域または該ファイバのコア領域の何れか一つで光を前記サンプルへ伝送し、かつ、
前記イメージングプローブは、ファイバのクラッド領域または該ファイバのコア領域の何れか一つで前記サンプルで反射された光を集光する、請求項17に記載のシステム。 - 前記光源は広帯域光源として提供され、
前記イメージングプローブは小型イメージングプローブとして提供される、請求項17に記載のシステム。
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US58506504P | 2004-07-02 | 2004-07-02 | |
US60/585,065 | 2004-07-02 | ||
PCT/US2005/023664 WO2006014392A1 (en) | 2004-07-02 | 2005-07-01 | Endoscopic imaging probe comprising dual clad fibre |
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JP2008506426A true JP2008506426A (ja) | 2008-03-06 |
JP2008506426A5 JP2008506426A5 (ja) | 2008-09-11 |
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EP (1) | EP1771755B1 (ja) |
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WO (1) | WO2006014392A1 (ja) |
Cited By (14)
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WO2010067813A1 (ja) * | 2008-12-10 | 2010-06-17 | 富士フイルム株式会社 | 光立体構造像装置及びその光信号処理方法 |
JP2011525255A (ja) * | 2008-06-20 | 2011-09-15 | ザ ジェネラル ホスピタル コーポレーション | フューズドファイバオプティックカプラ構造、及びその使用方法 |
JP2011529200A (ja) * | 2008-07-24 | 2011-12-01 | コーニング インコーポレイテッド | 二重クラッド光ファイバおよび二重クラッド光ファイバを備えたデバイス |
WO2012057151A1 (ja) * | 2010-10-29 | 2012-05-03 | オリンパス株式会社 | 光学測定装置およびプローブ装置 |
WO2013035400A1 (ja) * | 2011-09-09 | 2013-03-14 | コニカミノルタアドバンストレイヤー株式会社 | プローブ |
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WO2017141524A1 (ja) * | 2016-02-18 | 2017-08-24 | ソニー株式会社 | 撮像装置、撮像方法及び撮像システム |
KR20180121011A (ko) * | 2017-04-28 | 2018-11-07 | 한양대학교 산학협력단 | 영상화 카테터 시스템 |
WO2018211704A1 (ja) * | 2017-05-19 | 2018-11-22 | オリンパス株式会社 | 照明装置、その照明装置を含む撮像システム、その撮像システムを含む内視鏡システムおよび顕微鏡システム |
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EP1771755B1 (en) | 2016-09-21 |
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JP4995720B2 (ja) | 2012-08-08 |
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EP1771755A1 (en) | 2007-04-11 |
US20090003765A1 (en) | 2009-01-01 |
US20110273718A1 (en) | 2011-11-10 |
US7447408B2 (en) | 2008-11-04 |
WO2006014392A1 (en) | 2006-02-09 |
US20140204604A1 (en) | 2014-07-24 |
AU2005270037B2 (en) | 2012-02-09 |
US8676013B2 (en) | 2014-03-18 |
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