JP6373366B2 - 走査ビーム型システムの作動方法および光走査ビーム型システム - Google Patents
走査ビーム型システムの作動方法および光走査ビーム型システム Download PDFInfo
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- JP6373366B2 JP6373366B2 JP2016518427A JP2016518427A JP6373366B2 JP 6373366 B2 JP6373366 B2 JP 6373366B2 JP 2016518427 A JP2016518427 A JP 2016518427A JP 2016518427 A JP2016518427 A JP 2016518427A JP 6373366 B2 JP6373366 B2 JP 6373366B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/102—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for optical coherence tomography [OCT]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/1025—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for confocal scanning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01B9/02034—Interferometers characterised by particularly shaped beams or wavefronts
- G01B9/02038—Shaping the wavefront, e.g. generating a spherical wavefront
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01B9/02041—Interferometers characterised by particular imaging or detection techniques
- G01B9/02042—Confocal imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01B9/0209—Low-coherence interferometers
- G01B9/02091—Tomographic interferometers, e.g. based on optical coherence
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
- G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
-
- G—PHYSICS
- G02—OPTICS
- 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
- G02B23/2407—Optical details
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- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Description
本願は、2013年6月4日出願の米国特許仮出願第61/830,820号明細書(代理人整理番号第9526−46PR)の優先権を主張する。上記米国特許出願は、この参照をもって本願にすべて取り込まれるものとする。
本発明のコンセプトは、米国立衛生研究所、米国立眼病研究所による交付申請ID R44EY018021−03及びID 1R43EY022835−01による政府支援により部分的に資金提供されている。したがって米国政府は、本発明のコンセプトにおいて一定の権利を有する。
・OCTシステムの焦点を変えることなくOCTシステムの開口数(NA)を変更するように構成可能である。又は、
・システムのNAを変えることなくOCTシステムの焦点を変更するように構成可能である。又は、
・OCTシステムのNAと焦点の双方を変更するように構成可能である。
・被写界深度全体にわたる放射分布を制御するための、及び焦点ポジションにおいて横方向分解能を制御できるようにするための可変の開口数と、
・着目対象領域に対し相対的に焦点ポジションを独立して制御できるようにするための可変の焦点と、
・システムと対象物体との間の位置変化を低減するための、及び干渉システムの場合には経路整合条件に対する変化を低減するための経路長安定性と、
・様々な手順に対し融通性を生じさせるために、幅広い末端対物レンズに対応させるための調整性と、
を含む。
・OCTシステムの焦点を変えることなくOCTシステムの開口数(NA)を変更するように構成可能である。又は、
・OCTシステムのNAを変えることなくOCTシステムの焦点を変更するように構成可能である。又は、
・OCTシステムのNAと焦点の双方を変更するように構成可能である。
Claims (2)
- 走査ビーム型システムの作動方法において、
サンプル内の着目対象領域に入ったことに応じて、ハイブリッド型テレスコープ(HT)を、長い焦点距離と小さい開口数(NA)にセットするステップと、
前記サンプルの着目対象領域内の着目対象構造を同定するステップと、
前記開口数を大きくして、被写界深度を低減し、かつ、焦点面の輝度を高めるステップと、
前記焦点距離が前記走査ビーム型システムに対応づけられた器具の作動距離と整合するよう、焦点距離を変化させるステップと、
を含む方法。 - 光走査ビーム型システムにおいて、前記光走査ビーム型システムは、
初期ビーム直径および所定のビーム広がりをもつ光ビームを伝送するように構成された光放射入射源と、
ビームコンディショニングアセンブリと、
を具え、
前記ビームコンディションニングアセンブリは、前記入射源からの光放射を受光するように構成された入射端と、前記ビーム直径および前記ビーム広がりを変化させる手段と、出射端と、を有し、前記出射端は、ビーム伝播方向に対し直交する少なくとも1つの方向に沿って光放射ビームを操作する手段へ、前記光放射を配向し、
前記光走査ビーム型システムは、
前記操作された光放射ビームを、被検体に対応づけられた着目対象領域へ配向する手段と、
前記着目対象領域から散乱した、または前記着目対象領域を通して伝送された光放射の少なくとも一部分を収集する手段と、
収集された前記光放射を検出する手段と、
前記光放射ビームと前記被検体との相互作用に応答して、検出された光放射を処理し、前記着目対象領域の特性から導出された画像を生成する手段と、
前記ビームコンディショニングアセンブリと連携するコントローラと、
を具え、
前記コントローラは、前記ビームコンディションニングアセンブリの少なくとも2つの運動自由度を制御するように構成されており、
前記コントローラは、前記光走査ビーム型システムを、固定されたシステム開口数で予め規定された複数の焦点ポジションのうちの1つにセットするように構成されており、かつ、前記コントローラは前記光走査ビーム型システムを、固定された焦点ポジションで予め規定された複数の開口数のうちの1つにセットするように構成されている、
光走査ビーム型システム。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361830820P | 2013-06-04 | 2013-06-04 | |
| US61/830,820 | 2013-06-04 | ||
| PCT/US2014/040836 WO2014197553A2 (en) | 2013-06-04 | 2014-06-04 | Hybrid telescope for optical beam delivery and related systems and methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016523613A JP2016523613A (ja) | 2016-08-12 |
| JP6373366B2 true JP6373366B2 (ja) | 2018-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016518427A Expired - Fee Related JP6373366B2 (ja) | 2013-06-04 | 2014-06-04 | 走査ビーム型システムの作動方法および光走査ビーム型システム |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US9949634B2 (ja) |
| EP (1) | EP3003123B1 (ja) |
| JP (1) | JP6373366B2 (ja) |
| CN (1) | CN105473055B (ja) |
| WO (1) | WO2014197553A2 (ja) |
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- 2014-06-04 EP EP14799570.8A patent/EP3003123B1/en not_active Not-in-force
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- 2014-06-04 CN CN201480032285.5A patent/CN105473055B/zh active Active
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| US9949634B2 (en) | 2018-04-24 |
| US10271725B2 (en) | 2019-04-30 |
| US20180084993A1 (en) | 2018-03-29 |
| CN105473055B (zh) | 2018-04-06 |
| WO2014197553A2 (en) | 2014-12-11 |
| EP3003123A2 (en) | 2016-04-13 |
| EP3003123B1 (en) | 2020-08-19 |
| JP2016523613A (ja) | 2016-08-12 |
| US20140354950A1 (en) | 2014-12-04 |
| WO2014197553A3 (en) | 2015-04-02 |
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