JP5643936B2 - コリメータおよびコリメータ付き光アイソレータ - Google Patents
コリメータおよびコリメータ付き光アイソレータ Download PDFInfo
- Publication number
- JP5643936B2 JP5643936B2 JP2011156104A JP2011156104A JP5643936B2 JP 5643936 B2 JP5643936 B2 JP 5643936B2 JP 2011156104 A JP2011156104 A JP 2011156104A JP 2011156104 A JP2011156104 A JP 2011156104A JP 5643936 B2 JP5643936 B2 JP 5643936B2
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- light
- collimated light
- lens
- incident
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect
- G02F1/093—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect used as non-reciprocal devices, e.g. optical isolators, circulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/005—Soldering by means of radiant energy
- B23K1/0056—Soldering by means of radiant energy soldering by means of beams, e.g. lasers, E.B.
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- 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
- G02B6/2746—Optical coupling means with polarisation selective and adjusting means comprising non-reciprocal devices, e.g. isolators, FRM, circulators, quasi-isolators
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Optical Couplings Of Light Guides (AREA)
- Laser Beam Processing (AREA)
Description
2:伝送ファイバー
3:伝送ファイバー先端
4:ファイバー射出後レンズに向かい進行する光
5:第1のレンズ
6:第1の楔型偏光子
7:第1の楔型偏光子と第2の偏光子の間の一方の偏光成分の光ビーム
8:第1の楔型偏光子と第2の偏光子の間の他方の偏光成分の光ビーム
9:ファラデー物体
10:マグネット
11:第2の偏光子
12:光ビーム合成分離用複屈折結晶平板
13:合成した光ビーム
14:第2のレンズ
15:被加工物
16:比加工物体上の集光点
17:一方の戻り光ビーム
18:他方の戻り光ビーム
19:一方の戻り光受光ファイバーの端点
20:他方の戻り光受光ファイバーの端点
21:フェルールあるいはV溝などのファイバーの保持体
22:一方の戻り光受光ファイバー
23:他方の戻り光受光ファイバー
24:セラミックチューブ
25:一方を閉じたステンレス管
26:ファイバーのコア
27:ファイバーのクラッド
28:光透過断面積拡大部
29:光アイソレータホルダー
30:コリメータ位置、角度ならびに回転調整用ネジ
31:プラグ
32:コリメータホルダー
33:コリメータホルダー保持具
Claims (3)
- ファラデー回転子およびその両側の第1と第2の複屈折結晶くさび偏光子から成り、前記第1の複屈折結晶くさび偏光子側から入射する入射コリメート光は前記ファラデー回転子と前記第2の複屈折結晶くさび偏光子を通過後出射コリメート光として進行し、逆に前記第2の複屈折結晶くさび偏光子側から前記出射コリメート光と反対方向に平行に入る戻り光は前記第1の複屈折結晶くさび偏光子を通過した後、前記入射コリメート光とある角度をもち逆方向に進行する第1の逆方向コリメート光と前記入射コリメート光とある角度をもち逆方向に進行する第2の逆方向コリメート光の2本に分離し、かつ前記第1の逆方向コリメート光の光軸と前記第2の逆方向コリメート光の光軸とが前記入射コリメート光の光軸のまわりに180度回転対称であるような非相反部を有し、さらにレンズと第1、第2、および第3のファイバーを有し、前記第1のファイバーの一方の端面を前記レンズの焦点の一方に配置し、該ファイバー端面から出射し前記レンズを通過したのちに形成するコリメート光が前記非相反部の前記第1の複屈折結晶くさび偏光子の側から入射するように配置し、前記第1と第2の逆方向コリメート光が前記レンズを通過後それぞれ焦点を結ぶ点に前記第2と第3のファイバーの端面の一方を配置して受光するように配置し、前記第1、第2、および第3のファイバーを固定具をもって固定し、前記レンズの外周部と前記第1、第2、および第3のファイバーの前記先端を含む一部および前記固定具とを1個のホルダーに収容して固定し、前記第2と第3のファイバーに入射する前記戻り光を前記ホルダーの外部に導くことを特徴とする光アイソレータ装置。
- 前記ホルダーの外部に存在する前記第2および第3のファイバーの他端の近傍に該他端から出射する光を散乱あるいは吸収する物体を設けたことを特徴とする請求項1に記載の光アイソレータ装置。
- 前記第2および第3の光ファイバーのコア径は前記第1の光ファイバーのコア径より1.1倍より大きいことを特徴とする請求項1および請求項2に記載の光アイソレータ装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011156104A JP5643936B2 (ja) | 2011-06-29 | 2011-06-29 | コリメータおよびコリメータ付き光アイソレータ |
PCT/JP2012/066811 WO2013002402A1 (ja) | 2011-06-29 | 2012-06-29 | コリメータおよびコリメータ付き光アイソレータ |
US14/129,986 US9557586B2 (en) | 2011-06-29 | 2012-06-29 | Collimator and optical isolator with collimator |
EP12804964.0A EP2728390A4 (en) | 2011-06-29 | 2012-06-29 | COLLIMATOR AND OPTICAL ISOLATOR WITH COLLIMATOR |
CN201280032564.2A CN103765267B (zh) | 2011-06-29 | 2012-06-29 | 准直仪及带准直仪的光隔离器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011156104A JP5643936B2 (ja) | 2011-06-29 | 2011-06-29 | コリメータおよびコリメータ付き光アイソレータ |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013011834A JP2013011834A (ja) | 2013-01-17 |
JP2013011834A5 JP2013011834A5 (ja) | 2014-05-29 |
JP5643936B2 true JP5643936B2 (ja) | 2014-12-24 |
Family
ID=47424287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011156104A Expired - Fee Related JP5643936B2 (ja) | 2011-06-29 | 2011-06-29 | コリメータおよびコリメータ付き光アイソレータ |
Country Status (5)
Country | Link |
---|---|
US (1) | US9557586B2 (ja) |
EP (1) | EP2728390A4 (ja) |
JP (1) | JP5643936B2 (ja) |
CN (1) | CN103765267B (ja) |
WO (1) | WO2013002402A1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
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US9170440B2 (en) * | 2008-07-01 | 2015-10-27 | Duke University | Polymer optical isolator |
DE102011003686A1 (de) * | 2011-02-07 | 2012-08-09 | Trumpf Laser- Und Systemtechnik Gmbh | Laserbearbeitungsvorrichtung |
CN103487891B (zh) * | 2013-09-23 | 2015-12-23 | 深圳市创鑫激光股份有限公司 | 百瓦级在线型隔离器 |
JP6243829B2 (ja) * | 2014-12-02 | 2017-12-06 | 信越化学工業株式会社 | 1μm帯光アイソレータ |
US9784899B2 (en) * | 2015-06-01 | 2017-10-10 | U-Technology Co., Ltd. | LED illumination apparatus |
CN105549217B (zh) * | 2015-12-21 | 2017-10-17 | 河北汉光重工有限责任公司 | 一种激光转台反射镜调整方法 |
US10180545B2 (en) * | 2016-03-17 | 2019-01-15 | Applied Optoelectronics, Inc. | Alignment correction for optical isolator in a coaxial transmitter optical subassembly (TOSA) |
EP3485306B1 (en) * | 2016-07-13 | 2023-10-04 | Micatu Inc. | An integrated polarizing and analyzing optical fiber collimator device and methods of use thereof |
CN106207725A (zh) * | 2016-09-26 | 2016-12-07 | 中国工程物理研究院应用电子学研究所 | 一种基于掺镱光纤的1030nm激光放大器 |
CN108153003B (zh) * | 2018-01-11 | 2021-08-10 | 广东三石园科技有限公司 | 光电子器件 |
CN108705192B (zh) * | 2018-04-12 | 2023-02-24 | 大族激光科技产业集团股份有限公司 | 一种激光***的防回反光装置 |
KR102559098B1 (ko) * | 2018-07-11 | 2023-07-25 | 한국전자통신연구원 | 광송신 모듈 |
US11428914B1 (en) | 2018-12-20 | 2022-08-30 | Electro-Optics Technology, Inc. | Small, high power optical isolator |
CN110187432B (zh) | 2019-04-30 | 2020-11-03 | 上海大学 | 一种有源微晶光纤的制备方法及装置 |
CN112872629B (zh) * | 2021-01-18 | 2022-07-01 | 星控激光科技(上海)有限公司 | 一种基于超快激光脉冲序列的四光楔旋切钻孔方法及*** |
CN115032745A (zh) * | 2022-08-15 | 2022-09-09 | 光越科技(深圳)有限公司 | 一种在线式光隔离器 |
US20240181536A1 (en) * | 2022-12-01 | 2024-06-06 | Vulcanforms Inc. | Method and apparatus for offsetting reflected light energy in additive manufacturing system |
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-
2011
- 2011-06-29 JP JP2011156104A patent/JP5643936B2/ja not_active Expired - Fee Related
-
2012
- 2012-06-29 US US14/129,986 patent/US9557586B2/en active Active
- 2012-06-29 WO PCT/JP2012/066811 patent/WO2013002402A1/ja active Application Filing
- 2012-06-29 CN CN201280032564.2A patent/CN103765267B/zh not_active Expired - Fee Related
- 2012-06-29 EP EP12804964.0A patent/EP2728390A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2013002402A1 (ja) | 2013-01-03 |
US20140300962A1 (en) | 2014-10-09 |
EP2728390A1 (en) | 2014-05-07 |
JP2013011834A (ja) | 2013-01-17 |
US9557586B2 (en) | 2017-01-31 |
CN103765267A (zh) | 2014-04-30 |
EP2728390A4 (en) | 2015-07-29 |
CN103765267B (zh) | 2017-01-25 |
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