JPS60172003A - Optical matching apparatus for matching optical fiber with light source - Google Patents
Optical matching apparatus for matching optical fiber with light sourceInfo
- Publication number
- JPS60172003A JPS60172003A JP2456084A JP2456084A JPS60172003A JP S60172003 A JPS60172003 A JP S60172003A JP 2456084 A JP2456084 A JP 2456084A JP 2456084 A JP2456084 A JP 2456084A JP S60172003 A JPS60172003 A JP S60172003A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- light source
- lens
- optical
- movable
- 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.)
- Pending
Links
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は、光学整合装置、特に、光源に対して光学繊維
を正確に整合する光学整合装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an optical alignment device, and more particularly, to an optical alignment device that accurately aligns an optical fiber to a light source.
本発明は、固体レーずへの単一モード光学繊維の整合に
特に好適であるが、この型式の整合が、光の著しい損失
を防止するために１ミクロンまたは２ミクロン以内に正
確でなければならないためである。直接整合の方法は、
繊維が例えば鑞付けまたは接着によってこれ等の公差内
で固定されねばならいため、困難である。これ等の方法
は、凝固ないし固化の際、繊維とレーデとの間の僅かな
相対的移動を容易に生じ得る。Although the present invention is particularly suited for aligning single mode optical fibers to solid lasers, this type of alignment must be accurate to within 1 or 2 microns to prevent significant loss of light. It's for a reason. The method of direct alignment is
This is difficult because the fibers must be fixed within these tolerances, for example by brazing or gluing. These methods can easily result in slight relative movement between the fiber and the lede during coagulation or solidification.
従って、本発明の目的は、この問題を克服するか、また
は著しく軽減する光学整合装置を提供することである。It is therefore an object of the present invention to provide an optical alignment device that overcomes or significantly reduces this problem.
本発明によると、光源に対して光学繊維を整合する光学
整合装置は、光学繊維の軸線に光源をほぼ整合する装置
と、光学繊維の端部と光源との間の複数の光学レンズと
を備え、少くとも１つの該レンズと、該光学繊維とは、
光源に対して可動であシ、これによシ、光源の像は、該
光学繊維の端部に正確に焦点を合わされる。According to the present invention, an optical alignment device for aligning an optical fiber with respect to a light source includes a device for substantially aligning the light source with an axis of the optical fiber, and a plurality of optical lenses between an end of the optical fiber and the light source. , at least one lens, and the optical fiber,
It is movable relative to the light source so that the image of the light source is precisely focused on the end of the optical fiber.
好ましくは、該受く゛とも１つのレンズは、該光学繊維
の軸線に垂直な面内でのみ可動である。Preferably, the at least one lens is movable only in a plane perpendicular to the axis of the optical fiber.
好ましくは、該光学繊維は、その軸線に沿ってのみ可動
である。Preferably, the optical fiber is movable only along its axis.
該光源は、好ましくは固定される。The light source is preferably fixed.
２個のみのレンズがあってもよく、光学繊維の端部に近
い方のレンズは、可動であシ、他のレンズは、固定され
る。There may be only two lenses, the one closer to the end of the optical fiber being movable and the other lens being fixed.
該レンズおよび光学繊維は、好ましくは正確な整合後に
所定の位置で固定されるが、これと異なシ、将来の再整
合操作のために成る程度の移動が可能でもよい。The lenses and optical fibers are preferably fixed in place after precise alignment, but may alternatively be capable of some degree of movement for future realignment operations.
該光源は、レーずの様なオプトエレクトロニック装置を
備えてもよい。The light source may include an optoelectronic device such as a laser.
本発明の実施例は、添付図面を参照して例としてのみ下
記に説明される。Embodiments of the invention will be described below, by way of example only, with reference to the accompanying drawings, in which: FIG.
第１図では、ハウジング２０の孔１８内に位置する光学
繊維１０が示され、該繊維の軸線は、第２−・ウジング
２２に固定さ五る注入型ダイオ−トレーず１２にはｙ整
合される。２つのレンズ１４゜１６は、繊維１０とレー
ず１２との間に間挿され、レンズ１６は、所定の位置で
ハウジング２２に固定され、レンズ１４は、該繊維の軸
線に垂直なＸ。In FIG. 1, an optical fiber 10 is shown located within the bore 18 of the housing 20, the axis of which is y-aligned with the injection diode trace 12 secured to the second housing 22. Ru. Two lenses 14 and 16 are interposed between the fiber 10 and the lathe 12, the lenses 16 being fixed in place to the housing 22, the lenses 14 being oriented at an angle X perpendicular to the axis of the fibers.
Ｙ面において好適な装置（図示せず）によシハウジング
２０内で可動である。該繊維は、方向２の長手方向へ可
動である。It is movable within the housing 20 by a suitable device (not shown) in the Y plane. The fibers are movable in the longitudinal direction in direction 2.
レンズの屈折力の好適な選択によシ、整合公差の効果的
な低減が達成される。従って、第１図において、ｆｌが
レンズ１６の焦点距離であって、ｆ２がレンズ１４の焦
点距離であれば、レンズ２
レーザの像の移動を与えるに＼に、ｍ＝７丁）。By suitable selection of the optical power of the lens, an effective reduction of alignment tolerances is achieved. Therefore, in FIG. 1, if fl is the focal length of lens 16 and f2 is the focal length of lens 14, lens 2 gives the movement of the laser image (m=7 lenses).
従って、寸法公差は、レンズ装置なしに単にレーずに対
して繊維を移動するのに比較して係数トイだけ低減され
る。Accordingly, dimensional tolerances are reduced by a factor of to compared to simply moving the fibers relative to the lens without the lens system.
該整合方法は、「光学レバー」と呼ばれてもよく、即ち
、レンズ１４の移動は、像の一層小さい移動を生じさせ
る。該繊維は、レーデの像が繊維１０の端部に焦点を合
わされる様に軸方向に設置され、従って、該繊維および
レンズ１４は、好ましくは密封されるハウジング２０内
の所定の位置に永続的に固定されてもよい。これと異な
シ、将来の再整合を可能にする様に容器の外部でレンズ
１４および繊維１０を移動する装置（図示せず）が設け
られてもよい。The alignment method may be referred to as an "optical lever", ie movement of the lens 14 causes a smaller movement of the image. The fiber is axially positioned such that the Rede image is focused on the end of the fiber 10, so that the fiber and lens 14 are permanently in place within the preferably sealed housing 20. may be fixed to Alternatively, a device (not shown) may be provided to move the lens 14 and fiber 10 outside the container to allow future realignment.
第２図は、異なるレンズ型式を使用する同様な配列を示
す。レンズ１６は、円筒形セル７オク（５ｅｌｆｏｃ
）レンズ１７によって置換えられ、レンズ１４は、平凸
レンズ１５によって置換えられる。レンズ１５は、図示
されない装置によってガラス板１９に沿いＸ、Ｙ面にお
いて移動されてもよい。また、ｆｌがレンズ１７の焦点
距離であって、ｆ２がレンズ１５の焦点距離であれば、
レンズ１５の移動又は、繊維端部の面における−のし−
デ像の移動を与えるに＼に、レーず１２からのセルフオ
フレンズ１フ０作用距離に依存して２
ｍ＝２丁１）・
この方法は、光学円板、光学繊維コネクタ（はぼ整合す
る２本の繊維の１本に沿って光線を通すことによる）お
よび統合された光学インターコネクタの様な種々の光学
装置の精密な整合に好適である。FIG. 2 shows a similar arrangement using a different lens type. The lens 16 is a cylindrical cell 7oc (5elfoc).
) is replaced by lens 17, and lens 14 is replaced by a plano-convex lens 15. The lens 15 may be moved along the glass plate 19 in the X and Y planes by a device not shown. Further, if fl is the focal length of the lens 17 and f2 is the focal length of the lens 15,
Movement of the lens 15 or bending in the plane of the fiber end
In order to give the movement of the image, depending on the working distance of the self-off lens 1 from the laser 12, 2 m = 2 m = 2 m) This method uses an optical disc, an optical fiber connector ( (by passing a light beam along one of two fibers) and for precision alignment of various optical devices, such as integrated optical interconnects.
第１図は光学繊維をレーずに光学的に整合する本発明の
装置の一実施例の断面図、第２図は他の実施例の断面図
を示す。・
１０・・・光学繊維
１２・・・注入型ダイオ−トレーず
１４．１６・・・レンズ
１５・・・平凸レンズ
１７・・・円筒形セルフオフレンズ
２０・・・ハウジング
２２・・・第２ハウシング
代理人 浅 村 皓
牙、７０図
才、２図FIG. 1 is a cross-sectional view of one embodiment of the apparatus of the present invention for optically matching without laying optical fibers, and FIG. 2 is a cross-sectional view of another embodiment.・10...Optical fiber 12...Injection type diode laser 14.16...Lens 15...Plano-convex lens 17...Cylindrical self-off lens 20...Housing 22...Second Housing agent Koga Asamura, 70 figures, 2 figures
Claims (7)
を備え、少くとも１つの該レンズと、該光学繊維とが、
該光源に対して可動でアシ、これによシ、該光源の像が
、該光学繊維の端部に正確に焦点を合わされる光源に対
し光学繊維を整合する光学整合装置。(1) A device for aligning a light source with the axis of an optical fiber. a plurality of optical lenses between an end of the optical fiber and the light source, at least one of the lenses and the optical fiber;
an optical alignment device for aligning an optical fiber with respect to the light source, a reel movable relative to the light source, whereby an image of the light source is precisely focused on an end of the optical fiber;
軸線に垂直な面においてのみ可動である特許請求の範囲
第１項に記載の整合装置。(2) The alignment device according to claim 1, wherein the at least one lens is movable only in a plane perpendicular to the axis of the optical fiber.
ある特許請求の範囲第１項または第２項に記載の整合装
置。(3) The alignment device according to claim 1 or 2, wherein the optical fiber is movable only along its axis.
１項から第６項のいづれか１つの項に記載の整合装置。(4) The alignment device according to any one of claims 1 to 6, wherein the light source is fixed.
方の該レンズが、該光学繊維の軸線に垂直な面において
可動でアシ、他の前記レンズが、固定されている特許請
求の範囲第４項に記載の整合装置。(5) A patent claim comprising two lenses, wherein the lens closer to the end of the optical fiber is movable in a plane perpendicular to the axis of the optical fiber, and the other lens is fixed. The matching device according to scope 4.
の像の正確な整合後に所定の位置で固定される特許請求
の範囲第５項に記載の整合装置。(6) The alignment device according to claim 5, wherein the optical fiber and the movable lens are fixed in a predetermined position after accurate alignment of the image of the light source.
合操作のために成る程度の移動を許容される特許請求の
範囲第５項に記載の整合装置。7. The alignment device of claim 5, wherein the optical fiber and movable lens are allowed to move to a certain degree for future alignment operations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2456084A JPS60172003A (en) | 1984-02-14 | 1984-02-14 | Optical matching apparatus for matching optical fiber with light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2456084A JPS60172003A (en) | 1984-02-14 | 1984-02-14 | Optical matching apparatus for matching optical fiber with light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60172003A true JPS60172003A (en) | 1985-09-05 |
Family
ID=12141541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2456084A Pending JPS60172003A (en) | 1984-02-14 | 1984-02-14 | Optical matching apparatus for matching optical fiber with light source |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60172003A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63240510A (en) * | 1987-03-27 | 1988-10-06 | Ando Electric Co Ltd | Connector for optical module and optical plug |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5792306A (en) * | 1980-11-29 | 1982-06-08 | Anritsu Corp | Condensing lens fixing device for optical communication |
-
1984
- 1984-02-14 JP JP2456084A patent/JPS60172003A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5792306A (en) * | 1980-11-29 | 1982-06-08 | Anritsu Corp | Condensing lens fixing device for optical communication |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63240510A (en) * | 1987-03-27 | 1988-10-06 | Ando Electric Co Ltd | Connector for optical module and optical plug |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4749250A (en) | Optical alignment housing for use with an optical fiber | |
| US5202558A (en) | Flexible fiber optic probe for high-pressure shock experiments | |
| US7474822B2 (en) | Optical fiber collimator | |
| US7522807B2 (en) | Optical connector assembly | |
| US4636030A (en) | Optical alignment apparatus utilizing prismatic elements | |
| JPH1010373A (en) | Receptacle type optical transmitter-receiver and production therefor | |
| JP2020112811A (en) | Method for manufacturing multichannel light-emitting module and multichannel light-emitting module | |
| EP0399684B1 (en) | Laser pigtail assembly and method of manufacture | |
| JPH0915514A (en) | Switch for optical fiber | |
| WO1986001150A1 (en) | Microlens manufacture | |
| US6307197B1 (en) | Optoelectronic component and method for calibrating an optoelectronic component | |
| US20190121030A1 (en) | Optical coupler for coupling light in/out of an optical receiving/emitting structure | |
| EP0155379A3 (en) | Arrangement for coupling a light wave guide to a semiconductor laser and method for manufacturing such an arrangement | |
| JP2011513774A (en) | Optical transmission device manufacturing method and optical transmission device | |
| JP3495493B2 (en) | Light emitting module | |
| US6132106A (en) | Optical coupling module | |
| GB1570001A (en) | Manufacturing optical fibre connectors | |
| CN101750752A (en) | Fiber collimator | |
| JPS60172003A (en) | Optical matching apparatus for matching optical fiber with light source | |
| CN214669715U (en) | Optical fiber integrated lens for probe and endoscope imaging system | |
| JP2002040271A (en) | Terminal structure for optical fiber and method for treating terminal of optical fiber | |
| JPS59228221A (en) | Hybrid lens | |
| JPH02118503A (en) | Optical multiplexer/demultiplexer | |
| CN215615766U (en) | Transmission-type high-precision vibration mirror internal coaxial vision laser processing optical system | |
| JPS6041324B2 (en) | How to connect optical fiber and lens |