JP6068448B2 - 光導波路用結合装置 - Google Patents
光導波路用結合装置 Download PDFInfo
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- JP6068448B2 JP6068448B2 JP2014510706A JP2014510706A JP6068448B2 JP 6068448 B2 JP6068448 B2 JP 6068448B2 JP 2014510706 A JP2014510706 A JP 2014510706A JP 2014510706 A JP2014510706 A JP 2014510706A JP 6068448 B2 JP6068448 B2 JP 6068448B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B18/24—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor with a catheter
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
- G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3845—Details of mounting fibres in ferrules; Assembly methods; Manufacture ferrules comprising functional elements, e.g. filters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00172—Connectors and adapters therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00345—Vascular system
- A61B2018/00351—Heart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B2018/2035—Beam shaping or redirecting; Optical components therefor
- A61B2018/20361—Beam shaping or redirecting; Optical components therefor with redirecting based on sensed condition, e.g. tissue analysis or tissue movement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B2018/2247—Fibre breakage detection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B2018/2255—Optical elements at the distal end of probe tips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/04—Protection of tissue around surgical sites against effects of non-mechanical surgery, e.g. laser surgery
- A61B2090/049—Protection of tissue around surgical sites against effects of non-mechanical surgery, e.g. laser surgery against light, e.g. laser
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/04—Protection of tissue around surgical sites against effects of non-mechanical surgery, e.g. laser surgery
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Optical Couplings Of Light Guides (AREA)
- Laser Surgery Devices (AREA)
- Insulated Conductors (AREA)
Description
本発明の請求項1に記載の結合装置は、レーザ光源と光導波路接続部との間のビーム経路に配置された屈折又は回折のフィルタを有する。フィルタは、第1波長領域又は第1偏光方向の光を反射し、第2波長領域又は第2偏光方向の光を透過する。光の反射又は透過は、波長又は偏光に依存する光学フィルタで達成される。よって、結合装置では、光導波路が過熱状態になるときに発生する熱輻射又は血漿により生成される可視光線の波長領域の白色光は、レーザ光のビーム経路と異なるビーム経路に沿ったフィルタにより導かれる。従って、本発明の基本的な思想は、波長依存及び/又は偏光依存により、レーザ光のビーム経路と熱輻射/白色光(以下、信号散乱と呼ぶ)のビーム経路とを分離して、光導波路が単独で過熱したときに生成される信号散乱を検出して、それを光導波路の過熱の兆候と認識することができるようにすることである。
、光導波路の過熱により反射される信号散乱のビーム経路と分離するために、光学フィルタが波長依存又は偏光依存の反射及び透過を行うことは決定的である。その結果、反射された信号散乱を光導波路の過熱の兆候として、別に検出することができる。
Claims (9)
- 光導波路の加熱を検出するように構成された結合装置(16)であって、
当該結合装置(16)は、第1光導波路(28)用の光導波路接続部(26)を有し、 当該結合装置(16)は、レーザ光源(11)と光導波路接続部(26)の間のビーム経路に配置された光学フィルタ(20)を有しており、当該光学フィルタ(20)は、前記第1波長領域(22)の光出力の一部を反射し、前記第1波長領域(22)の光出力の一部を透過し、かつ第2波長領域(24)の光を透過し、
レーザ光源(11)により生成されたレーザ光のビーム経路及び光導波路接続部(26)に接続された第1光導波路(28)の加熱により生成された信号散乱が、その波長に応じて分離され、これにより、信号散乱を光導波路の加熱の兆候として、別に検出する、ことを特徴とする結合装置(16)。 - 第1光計測手段(32)が、前記光導波路接続部(26)から前記光学フィルタ(20)を通って前記第1光計測手段(32)に至るビーム経路に配置されていることを特徴とする、請求項1記載の結合装置(16)。
- 第2光計測手段(34)が、前記レーザ光源(11)から前記光学フィルタ(20)を通って前記第2光計測手段(34)に至るビーム経路に配置されていることを特徴とする、請求項1または2記載の結合装置(16)。
- 前記第1光計測手段(32)又は前記第2光計測手段(34)は、それぞれ、前記第1波長領域(22)または前記第2波長領域(24)のいずれかの光の出力を測定するように設計されていることを特徴とする、請求項2または3記載の結合装置(16)。
- 前記第1光計測手段(32)又は前記第2光計測手段(34)は、それぞれ、フォトダイオードと光学フィルタ(20)の間のビーム経路に更なる光学フィルタを含み、
前記光学フィルタ(20)は、一方の波長領域にある光だけを透過させることを特徴とする、請求項4記載の結合装置(16)。 - 前記第1波長領域(22)は、可視光領域の外側の少なくとも1つのレーザ光源の波長領域、好ましくは800nmより大きい赤外波長領域を含むことを特徴とする、請求項1〜5のいずれか1つに記載の結合装置(16)。
- 前記第2波長領域(24)は、可視光線の波長領域、特に、800nmより小さい波長領域であることを特徴とする、請求項1〜6のいずれか1つに記載の結合装置(16)。
- 前記レーザ光源(11)は第2光導波路(12)に結合され、
光結束光学素子(18、30)が、前記光学フィルタ(20)と前記第1光導波路(28)との間、前記光学フィルタ(20)と前記第2光導波路(12)との間、前記光学フィルタ(20)と前記第1光計測手段(32)との間、又は、前記光学フィルタ(20)と前記第2光計測手段(34)との間に設けられていることを特徴とする、請求項1〜7のいずれか1つに記載の結合装置(16)。 - 前記レーザ光源(11)に結合された第2光導波路(12)用の光導波路入口(14)を有していて、
前記光学フィルタ(20)は、前記光導波路入口(14)と前記光導波路接続部(26)との間のビーム経路に配置されることを特徴とする、請求項1〜8のいずれか1つに記載の結合装置(16)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011102079A DE102011102079A1 (de) | 2011-05-19 | 2011-05-19 | Einkoppelvorrichtung für einen Lichtwellenleiter |
DE102011102079.2 | 2011-05-19 | ||
PCT/EP2012/056683 WO2012156155A1 (de) | 2011-05-19 | 2012-04-12 | Einkoppelvorrichtung für einen lichtwellenleiter |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014517936A JP2014517936A (ja) | 2014-07-24 |
JP6068448B2 true JP6068448B2 (ja) | 2017-02-08 |
Family
ID=46085545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014510706A Expired - Fee Related JP6068448B2 (ja) | 2011-05-19 | 2012-04-12 | 光導波路用結合装置 |
Country Status (10)
Country | Link |
---|---|
US (2) | US9366577B2 (ja) |
EP (1) | EP2710421A1 (ja) |
JP (1) | JP6068448B2 (ja) |
KR (1) | KR101884705B1 (ja) |
CN (1) | CN103688204B (ja) |
AU (1) | AU2012257972B2 (ja) |
BR (1) | BR112013029795A2 (ja) |
CA (1) | CA2836496A1 (ja) |
DE (1) | DE102011102079A1 (ja) |
WO (1) | WO2012156155A1 (ja) |
Families Citing this family (9)
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JP6266384B2 (ja) * | 2014-03-04 | 2018-01-24 | 東京エレクトロン株式会社 | 温度測定装置及び温度測定方法 |
JP6301214B2 (ja) * | 2014-07-29 | 2018-03-28 | 東京エレクトロン株式会社 | 光学式温度センサ及び光学式温度センサの制御方法 |
EP3302330A4 (en) * | 2015-05-25 | 2019-01-16 | Lazcath Pty Ltd | CATHETER SYSTEM AND METHOD FOR ABLATING A TISSUE |
CA3010237A1 (en) | 2016-01-07 | 2017-07-13 | Magic Leap, Inc. | Virtual and augmented reality systems and methods having unequal numbers of component color images distributed across depth planes |
US10371896B2 (en) * | 2016-12-22 | 2019-08-06 | Magic Leap, Inc. | Color separation in planar waveguides using dichroic filters |
EP3836870B1 (en) * | 2018-10-05 | 2023-11-01 | Alcon Inc. | Occlusion sensing in ophthalmic laser probes |
WO2020236164A1 (en) | 2019-05-22 | 2020-11-26 | Vit Tall Llc | Multi-clock synchronization in power grids |
KR20210000975U (ko) | 2019-10-29 | 2021-05-10 | 현대중공업 주식회사 | 세퍼레이터 드레인 라인을 간략화 및 안정화한 연료가스 공급장치 |
CA3215779A1 (en) * | 2021-05-07 | 2022-11-10 | Alireza MALEK TABRIZI | Laser system monitoring using detection of back reflection |
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2011
- 2011-05-19 DE DE102011102079A patent/DE102011102079A1/de not_active Withdrawn
-
2012
- 2012-04-12 JP JP2014510706A patent/JP6068448B2/ja not_active Expired - Fee Related
- 2012-04-12 BR BR112013029795A patent/BR112013029795A2/pt not_active IP Right Cessation
- 2012-04-12 AU AU2012257972A patent/AU2012257972B2/en not_active Ceased
- 2012-04-12 US US14/117,974 patent/US9366577B2/en not_active Expired - Fee Related
- 2012-04-12 CA CA2836496A patent/CA2836496A1/en not_active Abandoned
- 2012-04-12 EP EP12721190.2A patent/EP2710421A1/de not_active Withdrawn
- 2012-04-12 WO PCT/EP2012/056683 patent/WO2012156155A1/de active Application Filing
- 2012-04-12 KR KR1020137033750A patent/KR101884705B1/ko not_active Application Discontinuation
- 2012-04-12 CN CN201280032840.5A patent/CN103688204B/zh not_active Expired - Fee Related
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2016
- 2016-04-13 US US15/097,931 patent/US9759616B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20140158872A1 (en) | 2014-06-12 |
AU2012257972A2 (en) | 2014-01-16 |
CN103688204A (zh) | 2014-03-26 |
EP2710421A1 (de) | 2014-03-26 |
US20160334282A1 (en) | 2016-11-17 |
KR101884705B1 (ko) | 2018-08-30 |
WO2012156155A1 (de) | 2012-11-22 |
US9366577B2 (en) | 2016-06-14 |
AU2012257972B2 (en) | 2015-04-23 |
KR20140035944A (ko) | 2014-03-24 |
CA2836496A1 (en) | 2012-11-22 |
DE102011102079A1 (de) | 2012-11-22 |
CN103688204B (zh) | 2016-09-28 |
JP2014517936A (ja) | 2014-07-24 |
AU2012257972A1 (en) | 2013-12-19 |
US9759616B2 (en) | 2017-09-12 |
BR112013029795A2 (pt) | 2017-01-17 |
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