JPH03270862A - Ferrule end face polishing method for optical connector - Google Patents
Ferrule end face polishing method for optical connectorInfo
- Publication number
- JPH03270862A JPH03270862A JP6407590A JP6407590A JPH03270862A JP H03270862 A JPH03270862 A JP H03270862A JP 6407590 A JP6407590 A JP 6407590A JP 6407590 A JP6407590 A JP 6407590A JP H03270862 A JPH03270862 A JP H03270862A
- Authority
- JP
- Japan
- Prior art keywords
- ferrule
- optical fiber
- face
- polishing
- adhesives
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005498 polishing Methods 0.000 title claims description 61
- 230000003287 optical effect Effects 0.000 title claims description 14
- 239000013307 optical fiber Substances 0.000 claims abstract description 73
- 239000000853 adhesive Substances 0.000 claims abstract description 22
- 230000001070 adhesive effect Effects 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 239000004593 Epoxy Substances 0.000 abstract 1
- 230000001154 acute effect Effects 0.000 abstract 1
- 238000005336 cracking Methods 0.000 abstract 1
- 230000010287 polarization Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 239000012790 adhesive layer Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 229920006332 epoxy adhesive Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
Description
【発明の詳細な説明】
概要
光コネクタのフェルール端面研磨方法に関し、応力付与
部を有する偏波面保存光ファイバを装着したフェルール
端面を研磨する際、光フアイバ内部にクラックの発生し
ない研磨方法を提供することを目的とし、
応力付与部を有する偏波面保存光ファイバをフェルール
内に装着し、該フェルール端面と共に偏波面保存光ファ
イバ端面を回転駆動される研磨盤により研磨するように
した光コネクタのフェルール端面研磨方法において、フ
ェルール端面から微小量突出させてフェルールに接着固
定した偏波面保存光ファイバの突出部を、接着剤で完全
に覆ってから研磨を行うように構成する。[Detailed Description of the Invention] Summary: Regarding a method for polishing the end face of a ferrule of an optical connector, the present invention provides a polishing method that does not generate cracks inside the optical fiber when polishing the end face of the ferrule equipped with a polarization-maintaining optical fiber having a stress applying section. A ferrule end face of an optical connector is provided, in which a polarization maintaining optical fiber having a stress applying portion is installed in a ferrule, and the end face of the polarization maintaining optical fiber is polished together with the end face of the ferrule by a rotationally driven polishing plate. In the polishing method, polishing is performed after the protruding portion of the polarization preserving optical fiber, which is made to protrude by a minute amount from the end face of the ferrule and is adhesively fixed to the ferrule, is completely covered with an adhesive.
産業上の利用分野
本発明は光コネクタのフェルール端面研磨方法に関し、
特に応力付与部を有する偏波面保存光ファイバを装着し
たフェルール端面の研磨方法に関する。INDUSTRIAL APPLICATION FIELD The present invention relates to a method for polishing the ferrule end face of an optical connector.
In particular, the present invention relates to a method of polishing an end face of a ferrule equipped with a polarization maintaining optical fiber having a stress applying portion.
近年、伝送容量の増大化等に伴い、通信等の分野におい
て、伝送路として光ファイバが用いられるようになって
きた。光フアイバ同士の接続方法としては、接合端面を
接着或いは融着により永久接続するスプライシング方法
及び着脱可能な光コネクタにより光フアイバ同士を接合
する光コネクタ方法等をあげることができる。光コネク
タ方法による接続においては、コア径のｌ／１０程度以
下の軸ずれ精度、及び接合端面同士の良好な密着が要求
され、通常接続すべき光ファイバの接合端面を、芯出さ
れたフェルールに装着し、このフェルールごと接合端面
を研磨することにより、上記要求を満たすようにしてい
る。そのため、光ファイバを装着した状態でファイバ内
にクラックを発生させることなく簡単な方法で精度良く
フェルール端面を研磨することのできる光コネクタのフ
ェルール端面研磨方法が要望されている。In recent years, with the increase in transmission capacity, optical fibers have come to be used as transmission paths in fields such as communications. Examples of methods for connecting optical fibers include a splicing method in which the joined end faces are permanently connected by adhesive or fusion, and an optical connector method in which optical fibers are joined together using a detachable optical connector. Connection using the optical connector method requires axis misalignment accuracy of less than 1/10 of the core diameter and good adhesion between the joint end faces. The above requirements are met by attaching the ferrule and polishing the joint end surface of the ferrule. Therefore, there is a need for a method for polishing the end face of a ferrule of an optical connector, which can polish the end face of a ferrule in a simple manner and with high accuracy without causing cracks in the fiber with the optical fiber attached.
従来の技術
まず第４図を参照すると、接続すべき光ファイバの接合
端部をフェルールに装着した状態が示されている。同図
において、ｌは光フアイバ素線、２は光フアイバ素線１
の周囲にナイロン等の被覆が施された光フアイバ心線、
３は光フアイバ心線２の周囲に高張力材のテンションメ
ンバー４を介してＰｖＣ等の被覆が施された光フアイバ
コードをそれぞれ示している。2. Description of the Related Art First, referring to FIG. 4, there is shown a state in which the spliced ends of optical fibers to be connected are attached to a ferrule. In the figure, l is an optical fiber strand, 2 is an optical fiber strand 1
An optical fiber core coated with nylon, etc.
Reference numeral 3 indicates an optical fiber cord in which a coating of PvC or the like is applied around the optical fiber core wire 2 via a tension member 4 made of a high tensile strength material.
内部に空洞を有する円筒状のフェルール６は、その先端
部に高精度に芯出された中心穴を有するチップ５を有し
ており、テンションメンバー４の切除された光フアイバ
心線２は、接合端面近傍の光フアイバ素線１がチップ５
の中心穴に挿入されるように、フェルール６に装着され
、例えばエポキシ系の接着剤により固定される。そして
、このように処理された接続すべき２本の光ファイバは
、それぞれ接合端面をフェルール６とともに研磨され、
図示しない共通のスリーブにフェルール６を嵌合或いは
螺合することにより、同軸上で接続される。A cylindrical ferrule 6 having a cavity inside has a tip 5 having a center hole centered with high precision at its tip, and the cut optical fiber core wire 2 of the tension member 4 is bonded. The optical fiber 1 near the end face is the chip 5
The ferrule 6 is attached to the ferrule 6 so as to be inserted into the center hole of the ferrule 6, and fixed with an epoxy adhesive, for example. Then, the two optical fibers to be connected that have been processed in this manner have their joint end faces polished together with the ferrule 6, and
By fitting or screwing the ferrule 6 into a common sleeve (not shown), the ferrules are connected coaxially.
次に第５図を参照して従来のフェルール端面研磨方法に
ついて説明する。第５図（Ａ）に示すように、フェルー
ル６の先端に光フアイバ素線１を突出させ、エポキシ系
の接着剤７で接着固定することにより光ファイバの研磨
部を確保している。Next, a conventional ferrule end face polishing method will be described with reference to FIG. As shown in FIG. 5(A), the optical fiber 1 is made to protrude from the tip of the ferrule 6 and fixed with an epoxy adhesive 7, thereby securing a polished portion of the optical fiber.
このようにフェルール６に装着した光フアイバ素線１を
回転している研磨盤８に対して上方から下降させ、（Ｂ
）に示すように所定圧力で光フアイバ素線１を研磨盤８
に押し付けることにより、光フアイバ素線１の端面をフ
ェルール６とともに研磨するようにしている。研磨に際
しては、研Ｍ盤８上にダイヤモンド粉等の研磨材を投入
し、この研磨材の粒度を変更することにより粗研磨から
仕上げ研磨まで複数回の研磨を行うようにしている。The optical fiber 1 attached to the ferrule 6 is lowered from above to the rotating polishing plate 8, and
), the optical fiber 1 is polished by a polishing plate 8 at a predetermined pressure.
By pressing against the ferrule 6, the end face of the optical fiber 1 is polished together with the ferrule 6. During polishing, an abrasive material such as diamond powder is placed on the polishing M disk 8, and by changing the particle size of this abrasive material, polishing is performed multiple times from rough polishing to final polishing.
光ファイバの接着固定後、その先端を切断するため光フ
アイバ素線１の突出し量は約１ ｍｍ前後できてしまう
。従って研磨の際、光フアイバ素線を直接研磨すると設
置時の衝撃的な当りや、微少面積で受ける事による押圧
及び振動等による局部応力が発生するため、応力緩和の
意味で接着剤７を光フアイバＳ線１の周囲にもりつけた
後に研磨作業を行っている。しかし、第５図の如くの形
状のもりつけにおいては、上記の不具合を充分解決する
ことはできないことがあった。After the optical fiber is adhesively fixed, the tip thereof is cut, so that the amount of protrusion of the optical fiber 1 is approximately 1 mm. Therefore, during polishing, if the optical fiber wire is directly polished, local stress will be generated due to the shock hit during installation, pressure and vibrations due to being received in a minute area, so the adhesive 7 is applied with light to relieve stress. After attaching it around the fiber S wire 1, polishing work is performed. However, in the case of gluing the shape as shown in FIG. 5, the above-mentioned problems may not be satisfactorily solved.
発明が解決しようとする課題
しかし上記のような方法でフェルール端面の研磨を行う
と、被研磨物が研磨盤に当接するときに荷重が掛かると
ともに、研磨を開始する際に被研磨物と研磨盤との間で
静摩擦から動摩擦へ移行するが、この際に大きな力が掛
りその衝撃力が大きく、特に研磨すべき光ファイバが応
力付与部を有する偏波面保存光ファイバである場合には
、脆性材料であるガラスの内部に応力を付加しているた
め、研磨の際に光ファイバの内部にクラックの発生する
確立が高いという問題があった。Problems to be Solved by the Invention However, when polishing the end face of a ferrule using the method described above, a load is applied when the object to be polished comes into contact with the polishing disk, and when polishing starts, the object to be polished and the polishing disk are There is a transition from static friction to kinetic friction, but at this time, a large force is applied and the resulting impact force is large, especially when the optical fiber to be polished is a polarization maintaining optical fiber with a stress applying part, the brittle material Since stress is applied to the inside of the glass, there is a problem in that there is a high probability that cracks will occur inside the optical fiber during polishing.
第６図に応力付与部を有する偏波面保存光ファイバの断
面図を示す。偏波面保存光ファイバ１０はその外径が例
えば１２５μｍであり、円形コア１１の直径は約１０μ
ｍである。コア１１を挟むようにして一対の応力付与部
１２が設けられており、これらの応力付与部にはボロン
等がドープされているため、収縮率が周辺のクラッド部
よりも大きくなるように形成されている。、この構造に
より、円形コア１１には矢印六方向の引っ張り力が作用
するため、コア１１にＸ軸方向（図中水平方向）とＹ軸
方向（図中垂直方向）で屈折率差が生じ、基本モードの
偏波面を保存したままで光信号を伝送することができる
。このような偏波面保存光ファイバは、偏光、位相、干
渉等を利用するファイバセンサや光ファイバ・ジャイロ
スコープ等の計測技術、大容量の伝送を可能とするコヒ
ーレント光通信等に利用される。FIG. 6 shows a cross-sectional view of a polarization-maintaining optical fiber having a stress applying section. The polarization maintaining optical fiber 10 has an outer diameter of, for example, 125 μm, and a circular core 11 has a diameter of about 10 μm.
It is m. A pair of stress applying parts 12 are provided so as to sandwich the core 11, and since these stress applying parts are doped with boron or the like, they are formed so that the shrinkage rate is larger than that of the surrounding cladding parts. . Due to this structure, tensile forces act on the circular core 11 in the six directions of the arrows, so a refractive index difference occurs in the core 11 in the X-axis direction (horizontal direction in the figure) and the Y-axis direction (vertical direction in the figure). Optical signals can be transmitted while preserving the polarization plane of the fundamental mode. Such polarization-maintaining optical fibers are used in measurement technologies such as fiber sensors and optical fiber gyroscopes that utilize polarization, phase, and interference, and in coherent optical communications that enable large-capacity transmission.
このような構成を有する偏波面保存光ファイバを装着し
たフェルール端面を上述したような方法で研磨した場合
、応力付与部１２の収縮率が周辺のクラッド部と相違す
るため、応力付与部１２にクラック１３が発生する確立
が非常に高くなる。When the end face of a ferrule equipped with a polarization-maintaining optical fiber having such a configuration is polished by the method described above, cracks may occur in the stress-applying part 12 because the shrinkage rate of the stress-applying part 12 is different from that of the surrounding cladding part. The probability that 13 will occur is extremely high.
本発明はこのような点に鑑みてなされたものであり、そ
の目的とするところは、応力付与部を有する偏波面保存
光ファイバを装着したフェルール端面を研磨する際、光
フアイバ内部にクラックの発生しない研磨方法を提供す
ることである。The present invention has been made in view of these points, and its purpose is to prevent the occurrence of cracks inside the optical fiber when polishing the end face of a ferrule equipped with a polarization-maintaining optical fiber having a stress applying section. The purpose of the present invention is to provide a polishing method that does not require
課題を解決するための手段
上述した目的を達成するために、本発明は、応力付与部
を有する偏波面保存光ファイバをフェルール内に装着し
、該フェルール端面と共に偏波面保存光ファイバ端面を
回転駆動される研磨盤により研磨するようにした光コネ
クタのフェルール端面研磨方法において、フェルール端
面から微小量突出させてフェルールに接着固定した偏波
面保存光ファイバの突出部を、接着剤で完全に覆ってか
ら研磨を行うことを特徴とする光コネクタのフェルール
端面研磨方法を提供する。Means for Solving the Problems In order to achieve the above-mentioned objects, the present invention includes a polarization-maintaining optical fiber having a stress applying section mounted in a ferrule, and an end face of the polarization-maintaining optical fiber being rotationally driven together with the end face of the ferrule. In a method for polishing the end face of a ferrule of an optical connector, the end face of a polarization preserving optical fiber is protruded by a minute amount from the end face of the ferrule and fixed to the ferrule by adhesive, and the protruding part of the polarization preserving optical fiber is completely covered with adhesive. Provided is a method for polishing a ferrule end face of an optical connector, which comprises polishing.
第１図を参照して本発明の特徴を更に説明すると、第１
図（Ａ）に示すように、フェルール１６の先端に応力付
与部を有する光フアイバ素線１０を突出させ、この突出
部を接着剤１７で完全に覆ってから、光フアイバ素線１
０の装着されたフェルール１６を上方から下降させ、（
Ｂ）に示すように接着剤１７の先端を所定圧力で回転駆
動させている研磨盤１８に当接させ、研磨を開始する。To further explain the features of the present invention with reference to FIG.
As shown in FIG.
0 is attached to the ferrule 16 from above, and (
As shown in B), the tip of the adhesive 17 is brought into contact with the polishing disk 18 which is rotated under a predetermined pressure, and polishing is started.
作 用
応力付与部を有する偏波面保存光ファイバの装着された
フェルール端面を研磨する際に光フアイバ内に発生する
クラックは、研磨すべき光フアイバ先端が研磨盤に最初
に当接するときの衝撃力により主に発生することが判明
している。本発明では研磨すべき光ファイバの先端を接
着剤で完全に覆い、まず接着剤を研磨盤に最初に当接さ
せるようにしたので、接着剤層が緩衝材として働き、研
磨開始直後に光ファイバに掛かる衝撃力を緩和すること
ができる。−旦研磨が開始させると、はぼ一定の動摩擦
が研磨盤と被切削物の間に作用するため、接着剤層とと
もに光フアイバ先端が研磨されるとき光ファイバに掛か
る衝撃力を非常に小さくすることができ、光フアイバ内
部のクラックの発生を防止することができる。Cracks that occur within the optical fiber when polishing the end face of a ferrule on which a polarization-maintaining optical fiber with a stress applying part is attached are caused by the impact force when the tip of the optical fiber to be polished first contacts the polishing plate. It has been found that this mainly occurs due to In the present invention, the tip of the optical fiber to be polished is completely covered with adhesive, and the adhesive is brought into contact with the polishing plate first, so that the adhesive layer acts as a buffer material and the optical fiber is removed immediately after polishing starts. It is possible to reduce the impact force applied to the - Once polishing starts, a fairly constant dynamic friction acts between the polishing disk and the object to be cut, which makes the impact force applied to the optical fiber very small when the optical fiber tip is polished together with the adhesive layer. This makes it possible to prevent cracks from occurring inside the optical fiber.
実 施 例 以下、本発明の実施例を図面を参照して説明する。Example Embodiments of the present invention will be described below with reference to the drawings.
第２図は本発明実施例による光ファイバをフェルールに
装着するステップを示す説明図である。FIG. 2 is an explanatory diagram showing the steps of attaching an optical fiber to a ferrule according to an embodiment of the present invention.
まず第２図（Ａ）に示すように、応力付与部を有する偏
波面保存光ファイバ素線２０をその先端部がフェルール
２２から突出するように、エポキシ系の接着剤２３によ
りフェルール２２内に接着固定する。このとき接着端面
Ａに残る接着剤は極力少なくするのが望ましい。フェル
ール２２は例えばジルコニアセラミック等から形成され
ている。First, as shown in FIG. 2(A), a polarization-maintaining optical fiber strand 20 having a stress applying portion is glued into the ferrule 22 with an epoxy adhesive 23 so that its tip protrudes from the ferrule 22. Fix it. At this time, it is desirable to minimize the amount of adhesive remaining on the adhesive end surface A. The ferrule 22 is made of, for example, zirconia ceramic.
２１はナイロン等の被覆を有する光フアイバ心線である
。Reference numeral 21 denotes an optical fiber coated with nylon or the like.
次いで（Ｂ）に示すように、鋭利な硬質材によるファイ
バカッタ２４により、フェルール２２の端面に近い部分
の光ファイバ素線２０周囲に傷を付け、光フアイバ素線
２０をＢ方向に引っ張ると破断面がきれいな鏡面を提供
するように光フアイバ素線２０がカットされる。このよ
うに光フアイバＳ線２Ｑをカットしてから、（Ｃ）ｉこ
示すようにフェルール２２の端面部に、光フアイバ素線
２０の突出部が完全に接着剤により覆われるように接着
剤２５を塗布する。このとき光フアイバ素線２０の先端
部での接着剤２５の厚さは約０．１〜０．３ｍｍ程度と
なるようにする。このように端面処理を施した後研磨作
業は従来公知の通常の研磨方法により研磨する。Next, as shown in (B), the periphery of the optical fiber 20 near the end face of the ferrule 22 is scratched with a fiber cutter 24 made of a sharp hard material, and when the optical fiber 20 is pulled in the direction B, it breaks. The optical fiber 20 is cut so as to provide a mirror surface with a clean cross section. After cutting the optical fiber S wire 2Q in this way, apply adhesive 25 to the end face of the ferrule 22 as shown in (C)i so that the protrusion of the optical fiber 20 is completely covered with the adhesive. Apply. At this time, the thickness of the adhesive 25 at the tip of the optical fiber 20 is set to about 0.1 to 0.3 mm. After the end face treatment is performed in this manner, the polishing operation is performed by a conventionally known normal polishing method.
第３図にフェルール端面研磨機の一例を示す。Figure 3 shows an example of a ferrule end face polisher.
２７は所定の曲率の球面研磨面２７ａを有する研磨盤で
あり、光フアイバ心線２１の装着されたフェルール２２
は、その中心軸線上に前記曲率中心が一致するように、
揺動自在に保持される支持部材２６に装着される。この
状態で研磨盤２７の駆動軸２８を回転駆動することによ
り、フェルール２２の端面は前記曲率の球面に研磨され
る。27 is a polishing disk having a spherical polishing surface 27a with a predetermined curvature, and a ferrule 22 to which the optical fiber core wire 21 is attached.
is such that the center of curvature coincides with its central axis,
It is attached to a support member 26 that is swingably held. By rotationally driving the drive shaft 28 of the polishing disk 27 in this state, the end face of the ferrule 22 is polished into a spherical surface having the above-mentioned curvature.
上述した研磨方法では、フェルール端面を球面状に研磨
しているが、本発明はこれに限定されるものではなく、
フェルール端面を平面状に研磨するようにしても良い。In the polishing method described above, the ferrule end face is polished into a spherical shape, but the present invention is not limited to this.
The end face of the ferrule may be polished into a flat surface.
研磨に際しては、研磨盤上にダイヤモンド粉を投入して
研磨を行うが、ダイヤモンド粉の粒度を異ならせること
により粗研磨から仕上げ研磨まで数段階にわたって研磨
を行うようにする。During polishing, diamond powder is placed on a polishing disk, and by varying the particle size of the diamond powder, polishing is performed in several stages from rough polishing to final polishing.
第２図（Ｃ）に示すように端面処理をしてからフェルー
ル端面の研磨を行うことにより、回転駆動される研磨盤
にまず接触するのは接着剤層２５であるため、接着剤Ｆ
ｊ２５が緩衝層として作用し、最初に研磨盤に接触する
ときの衝撃力を接着剤層２５で吸収できるため、光フア
イバ素線２０の内部に研磨時にクラックの発生すること
が防止される。As shown in FIG. 2(C), by polishing the ferrule end face after the end face treatment, the adhesive layer 25 is the first thing that comes into contact with the rotationally driven polishing disc, so the adhesive F
j25 acts as a buffer layer, and since the adhesive layer 25 can absorb the impact force when it first comes into contact with the polishing disk, cracks are prevented from forming inside the optical fiber strand 20 during polishing.
発明の効果
本発明は以上詳述したように構成したので、応力付与部
を有する偏波面保存光ファイバを装着したフェルール端
面を研磨する際、光フアイバ内部にクラックの発生する
ことが有効に防止される。Effects of the Invention Since the present invention is configured as detailed above, when polishing the end face of a ferrule equipped with a polarization-maintaining optical fiber having a stress applying portion, it is possible to effectively prevent the occurrence of cracks inside the optical fiber. Ru.
第１図は本発明の詳細な説明図、
第２図は光ファイバをフェルールに装着するステップを
示す説明図、
第３図は本発明の研磨方法に採用可能なフェルール端面
研磨機の一例を示す断面図、
第４図は光ファイバをフェルールに装着した状態を示す
概略図、
第５図は従来の研磨方法説明図、
第６図は応力付与部を有する偏波面保存光ファイバ断面
図である。
１０．２０・・・光フアイバ素線、
１６．２２・・・フェルール、
１７．２３．２５・・・接着剤、
１８．２７・・・研磨盤、
２４・・・ファイバカッタ。Fig. 1 is a detailed explanatory diagram of the present invention, Fig. 2 is an explanatory diagram showing the step of attaching an optical fiber to a ferrule, and Fig. 3 is an example of a ferrule end polishing machine that can be adopted in the polishing method of the present invention. 4 is a schematic diagram showing the state in which an optical fiber is attached to a ferrule, FIG. 5 is an explanatory diagram of a conventional polishing method, and FIG. 6 is a sectional diagram of a polarization-maintaining optical fiber having a stress applying section. 10.20... Optical fiber wire, 16.22... Ferrule, 17.23.25... Adhesive, 18.27... Polishing disc, 24... Fiber cutter.
Claims (1)
ェルール（１６）内に装着し、該フェルール（１６）端
面と共に偏波面保存光ファイバ（１０）端面を回転駆動
される研磨盤（１８）により研磨するようにした光コネ
クタのフェルール端面研磨方法において、フェルール（
１６）端面から微小量突出させてフェルール（１６）に
接着固定した偏波面保存光ファイバ（１０）の突出部を
、接着剤（１７）で完全に覆ってから研磨を行うことを
特徴とする光コネクタのフェルール端面研磨方法。A polarization-maintaining optical fiber (10) having a stress applying portion is mounted in a ferrule (16), and the end face of the polarization-maintaining optical fiber (10) is rotated by a polishing plate (18) that is driven to rotate together with the end face of the ferrule (16). In a method for polishing the ferrule end face of an optical connector, the ferrule (
16) An optical device characterized in that the protruding portion of the polarization-maintaining optical fiber (10) that protrudes a minute amount from the end face and is adhesively fixed to the ferrule (16) is completely covered with adhesive (17) before polishing. How to polish the end face of a connector ferrule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2064075A JP2809797B2 (en) | 1990-03-16 | 1990-03-16 | Polishing method for ferrule end face of optical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2064075A JP2809797B2 (en) | 1990-03-16 | 1990-03-16 | Polishing method for ferrule end face of optical connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03270862A true JPH03270862A (en) | 1991-12-03 |
| JP2809797B2 JP2809797B2 (en) | 1998-10-15 |
Family
ID=13247603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2064075A Expired - Fee Related JP2809797B2 (en) | 1990-03-16 | 1990-03-16 | Polishing method for ferrule end face of optical connector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2809797B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200406601A (en) * | 2002-08-08 | 2004-05-01 | Nippon Electric Glass Co | Ferrule for optical fiber connector and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58130129A (en) * | 1982-01-28 | 1983-08-03 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of single-polarization fiber with small polarization dispersion |
| JPS58220103A (en) * | 1982-06-17 | 1983-12-21 | Nippon Telegr & Teleph Corp <Ntt> | Single polarization fiber for ultralong wavelength |
| JPS59109452U (en) * | 1983-01-11 | 1984-07-24 | 株式会社デイスコ | Electroplated whetstone |
| JPS62166960A (en) * | 1986-01-20 | 1987-07-23 | Nippon Telegr & Teleph Corp <Ntt> | Automatic polishing device of optical fiber connector end face |
-
1990
- 1990-03-16 JP JP2064075A patent/JP2809797B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58130129A (en) * | 1982-01-28 | 1983-08-03 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of single-polarization fiber with small polarization dispersion |
| JPS58220103A (en) * | 1982-06-17 | 1983-12-21 | Nippon Telegr & Teleph Corp <Ntt> | Single polarization fiber for ultralong wavelength |
| JPS59109452U (en) * | 1983-01-11 | 1984-07-24 | 株式会社デイスコ | Electroplated whetstone |
| JPS62166960A (en) * | 1986-01-20 | 1987-07-23 | Nippon Telegr & Teleph Corp <Ntt> | Automatic polishing device of optical fiber connector end face |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2809797B2 (en) | 1998-10-15 |
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