JP6444674B2 - レーザ作動光源 - Google Patents
レーザ作動光源 Download PDFInfo
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- JP6444674B2 JP6444674B2 JP2014191117A JP2014191117A JP6444674B2 JP 6444674 B2 JP6444674 B2 JP 6444674B2 JP 2014191117 A JP2014191117 A JP 2014191117A JP 2014191117 A JP2014191117 A JP 2014191117A JP 6444674 B2 JP6444674 B2 JP 6444674B2
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- 230000003287 optical effect Effects 0.000 claims description 134
- 239000013307 optical fiber Substances 0.000 claims description 84
- 230000004075 alteration Effects 0.000 claims description 57
- 238000012546 transfer Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 14
- 238000003384 imaging method Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 8
- 206010010071 Coma Diseases 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 206010073261 Ovarian theca cell tumour Diseases 0.000 claims 1
- 208000001644 thecoma Diseases 0.000 claims 1
- 238000012937 correction Methods 0.000 description 13
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- CYJRNFFLTBEQSQ-UHFFFAOYSA-N 8-(3-methyl-1-benzothiophen-5-yl)-N-(4-methylsulfonylpyridin-3-yl)quinoxalin-6-amine Chemical compound CS(=O)(=O)C1=C(C=NC=C1)NC=1C=C2N=CC=NC2=C(C=1)C=1C=CC2=C(C(=CS2)C)C=1 CYJRNFFLTBEQSQ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 230000000644 propagated effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
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- 230000003595 spectral effect Effects 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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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
- 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
-
- 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
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/0006—Coupling light into the fibre
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
-
- 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
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
-
- 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
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4206—Optical features
-
- 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
- G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Theoretical Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Ophthalmology & Optometry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Molecular Biology (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- Otolaryngology (AREA)
- Vascular Medicine (AREA)
- Optical Couplings Of Light Guides (AREA)
- Lenses (AREA)
- Lasers (AREA)
- Architecture (AREA)
- Software Systems (AREA)
Description
Claims (17)
- レーザ作動光源であって、
イオン性気体及び前記イオン性気体を励起することで形成されたプラズマを収容するためのチャンバと、
前記プラズマのレーザエネルギを入力するためのレーザであって、レーザ放射の影響のもとで前記プラズマが有用な光を発し、これが前記レーザ作動光源の出力信号を形成するようになっている、レーザと、
前記有用な光を転送光ファイバに結合するための手段と、
前記チャンバと前記転送光ファイバとの間に配置された光学系であって、前記光学系に面した前記光ファイバの端部に前記プラズマを結像するように構成され、色収差を補正するように構成されている、光学系と、
を備え、
前記光学系の開口数及び前記光ファイバの開口数が相互に適合されて、像側における前記光学系の開口角が前記光ファイバの受容角の2倍以上である、
レーザ作動光源。 - 前記光学系が更に、コリメート光学部品及び前記コリメート光学部品の下流に配置された集束光学部品を備える、請求項1に記載の光源。
- 前記プラズマを発生させるために前記チャンバ内の前記気体をイオン化するための点火源を更に備える、請求項1に記載の光源。
- 前記光学系が、3つ以上の波長について補正されることを特徴とする、請求項1に記載の光源。
- 前記光学系が、その倍率に関して、前記光ファイバの入射面における前記プラズマの前記結像が前記光ファイバの導光コアの直径に等しいか又はそれより大きいように構成されていることを特徴とする、請求項1から4のいずれか1項に記載の光源。
- 前記光学系が、その倍率に関して、前記光ファイバの入射面における前記プラズマの前記結像が前記光ファイバの導光コアの直径よりも小さいように構成されていることを特徴とする、請求項1から4のいずれか1項に記載の光源。
- 前記光学系が更に、球面収差を補正するように構成されている、請求項1から6のいずれか1項に記載の光源。
- 前記光学系が更に、コマ収差を補正するように構成されている、請求項1から7のいずれか1項に記載の光源。
- 前記光学系が更に、フィルタリング光学部品を備える、請求項2に記載の光源。
- 前記フィルタリング光学部品が、前記コリメート光学部品と前記集束光学部品との間に配置されている、請求項9に記載の光源。
- 出力ウィンドウを備えるレーザ励起プラズマチャンバと転送光ファイバとの間で用いるための光学系であって、
前記プラズマチャンバから前記出力ウィンドウを介してプラズマ像を受信しコリメートするように構成されたコリメート光学部品と、
前記コリメート光学部品からコリメート像を受信して前記転送光ファイバの入力面上に集束するように構成された集束光学部品と、を備え、
前記コリメート光学部品及び前記集束光学部品が、前記出力ウィンドウ、前記コリメート光学部品、及び前記集束光学部品の少なくとも1つにより生じた収差を補正するように構成され、前記収差が、色収差、球面収差、及びコマ収差から成る群の少なくとも1つを備え、
前記光学系の開口数及び前記転送光ファイバの開口数が相互に適合されて、像側における前記光学系の開口角が前記転送光ファイバの受容角の2倍以上である、光学系。 - 前記コリメート光学部品が更に、複数のレンズを備える、請求項11に記載の光学系。
- 前記集束光学部品が更に、複数のレンズを備える、請求項11に記載の光学系。
- 前記光学系が更に、前記コリメート光学部品と前記集束光学部品との間に配置されたフィルタリング光学部品を備える、請求項11に記載の光学系。
- 出力ウィンドウを備えるレーザ励起プラズマチャンバから光を受信するための光学系及び転送光ファイバを設計するための方法であって、
前記チャンバから前記出力ウィンドウを介して出射する光に与えられた収差を求めるステップと、
前記出力ウィンドウから受信した光をコリメートするように構成されたコリメート光学部品を設計するステップと、
前記コリメート光学部品からのコリメート像を受信して前記転送光ファイバの入力面上に集束するように構成された集束光学部品を設計するステップと、
前記出力ウィンドウ、前記コリメート光学部品、及び前記集束光学部品を備える光学列をモデリングするステップと、
前記モデリングした光学列が前記転送光ファイバの前記入力面において光に収差を生じるか否かを判定するステップであって、前記収差が、色収差、球面収差、及びコマ収差から成る群の少なくとも1つを備える、ステップと、
前記収差を低減するように前記コリメート光学部品及び/又は前記集束光学部品の設計を更新するステップと、
を備え、
前記光学系の開口数及び前記転送光ファイバの開口数が相互に適合されて、像側における前記光学系の開口角が前記転送光ファイバの受容角の2倍以上である、方法。 - 前記コリメート光学部品及び前記集束光学部品が、アクロマートによって収差を補正するように構成されている、請求項15に記載の方法。
- 前記コリメート光学部品及び前記集束光学部品が、アポクロマートによって収差を補正するように構成されている、請求項15に記載の方法。
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JP2018221835A Division JP6872519B2 (ja) | 2013-09-20 | 2018-11-28 | レーザ作動光源 |
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JP6444674B2 true JP6444674B2 (ja) | 2018-12-26 |
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JP2018221835A Active JP6872519B2 (ja) | 2013-09-20 | 2018-11-28 | レーザ作動光源 |
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Country Status (6)
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US (1) | US9678262B2 (ja) |
EP (1) | EP2851723B1 (ja) |
JP (2) | JP6444674B2 (ja) |
KR (1) | KR101760553B1 (ja) |
IL (1) | IL234727B (ja) |
TW (1) | TWI652518B (ja) |
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IL234729B (en) * | 2013-09-20 | 2021-02-28 | Asml Netherlands Bv | A light source operated by a laser and a method using a mode mixer |
KR102321175B1 (ko) * | 2017-06-15 | 2021-11-02 | 코니카 미놀타 가부시키가이샤 | 측정용 광학계, 색채 휘도계 및 색채계 |
US10823943B2 (en) * | 2018-07-31 | 2020-11-03 | Kla Corporation | Plasma source with lamp house correction |
TWI673478B (zh) * | 2018-11-30 | 2019-10-01 | 銓發科技股份有限公司 | 色光光學檢測設備及方法 |
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