JPH07333455A - Separate packaging type optical coupler - Google Patents

Separate packaging type optical coupler

Info

Publication number
JPH07333455A
JPH07333455A JP12996094A JP12996094A JPH07333455A JP H07333455 A JPH07333455 A JP H07333455A JP 12996094 A JP12996094 A JP 12996094A JP 12996094 A JP12996094 A JP 12996094A JP H07333455 A JPH07333455 A JP H07333455A
Authority
JP
Japan
Prior art keywords
optical
demultiplexer
packaging
multiplexer
parts
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
Application number
JP12996094A
Other languages
Japanese (ja)
Inventor
Michitaka Okuda
通孝 奥田
Kiyohiko Kuramoto
清彦 倉本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyocera Corp
Original Assignee
Kyocera Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kyocera Corp filed Critical Kyocera Corp
Priority to JP12996094A priority Critical patent/JPH07333455A/en
Priority to US08/447,331 priority patent/US5802224A/en
Priority to EP95107915A priority patent/EP0684492B1/en
Priority to DE69530144T priority patent/DE69530144T2/en
Publication of JPH07333455A publication Critical patent/JPH07333455A/en
Pending legal-status Critical Current

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  • Mechanical Coupling Of Light Guides (AREA)

Abstract

PURPOSE:To eliminate the need for a member for reinforcing connection, to facilitate packaging, to reduce a cost and to permit reduced-size packaging by adjacently constituting respective discrete parts and respectively fixing and packaging these parts. CONSTITUTION:An optical multiplexer/demultiplexer 1 and an optical branching/ coupling device 2 are adjacently constituted by fusion stretching and are packaged as separate bodies. Namely, both are easily constituted and packaged by bending optical fibers f1 to f3 between the parts. The production of this separate packaging type optical coupler is executed by procedures of aligning three pieces of the optical fibers f1 to f3 fusion stretching two pieces of the optical fibers f1, f2 among these fibers under heating to form the optical multiplexer/demultiplexer 1, fixing the multiplexer/demultiplexer into a packaging case 3 and keeping the remaining one piece of the optical fiber f3 from a heating source at this time. Next, the optical fiber f2 on the one side output of the optical multiplexer/demultiplexer 1 and the remaining optical fiber f3 are aligned and are fusion stretched under heating to form the optical branching/coupling device 2, which is fixed in a packaging case 4. At this time, the optical fiber f1 on one side of the optical multiplexer/demultiplexer 1 is parted from the heat source. The fusion stretched parts ate adjacently formed in such a manner.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、光通信ネットワーク内
において光を分岐したり、合波分波したりするのに使用
される光ファイバカプラに関するもので、特に光ファイ
バ融着型部品を特性により合波、分波又は分岐、合流等
を連続して接続使用する場合の実装構造の改善に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical fiber coupler used for branching and multiplexing / demultiplexing light in an optical communication network, and more particularly to an optical fiber fusion type component. Therefore, the present invention relates to an improvement in the mounting structure in the case of continuously connecting and using multiplexing, demultiplexing or branching, and merging.

【０００２】[0002]

【従来の技術】従来、例えば２波長の光を分波後、内一
方の光を分岐する場合、個別の光合分波器と光分岐結合
器を接続した構造としていた。その場合、接続部には融
着接続による方法、メカニカルスプライスによる方法と
があるが、共に補強用サポートにより実装固定し、信頼
性確保の為、部品間のファイバ長を長くとる余長処理を
必要としてきた。叉、多分岐器の場合も同様２分岐器を
複数個上記の如く接続して使用する為、同様な処理を施
して実装されている。しかし、その場合、以下のような
欠点がある。2. Description of the Related Art Conventionally, for example, in the case of splitting light of two wavelengths and then splitting one of the lights, an optical multiplexer / demultiplexer and an optical branching / coupling device are connected to each other. In that case, there are methods of fusion splicing and mechanical splicing at the connection part, but both are mounted and fixed with a reinforcing support, and extra length treatment is required to lengthen the fiber length between parts to ensure reliability. I've been. Similarly, in the case of a multi-branch device as well, a plurality of 2-branch devices are connected and used as described above, and therefore, the same processing is performed and mounted. However, in that case, there are the following drawbacks.

【０００３】[0003]

【発明が解決しようとする課題】[Problems to be Solved by the Invention]

（１）融着接続、メカニカルスプライス共に長期間にわ
たる信頼性確保に難点がある。(1) Both fusion splicing and mechanical splicing have a problem in ensuring long-term reliability.

【０００４】（２）接続部に補強用サポートを必要と
し、信頼性確保の為、部品間ファイバの余長処理を必要
とする為、実装するのに手間がかかり加工コストもかか
る。(2) Reinforcement support is required at the connecting portion, and in order to ensure reliability, it is necessary to process the extra length of the inter-component fiber, so that mounting is troublesome and processing cost is high.

【０００５】（３）上記理由により、ケース内配線回し
等実装が難しく、必要とするスペースが大きいので小型
化が困難であった。(3) For the above reasons, it is difficult to mount the wiring inside the case, and it is difficult to reduce the size because the required space is large.

【０００６】[0006]

【課題を解決する為の手段】本発明は、上記課題を解決
するために各個別部品を隣接して構成し、各固定実装す
る事により部品接続部及び余長処理を排除したものであ
る。In order to solve the above-mentioned problems, the present invention eliminates the parts connecting portion and the extra length processing by arranging the individual parts adjacent to each other and mounting them individually.

【０００７】[0007]

【実施例】以下、本発明による実施例を図面に基づいて
説明する。図１は本発明による分離型光カプラの一実施
例で、光合分波器１と光分岐結合器２を隣接して融着延
伸して構成、別体に実装したもので、図２に示したよう
に部品間の光ファイバｆ1，ｆ2 ，ｆ3 を曲げて容易に
構成実装可能である。この分離実装型光カプラの製作手
順としては３本の光ファイバｆ1 ，ｆ2 ，ｆ3 を整列
し、内２本の光ファイバｆ1 ，ｆ2 を融着加熱延伸する
事により光合分波器１を形成し、実装ケース３内に固定
する。この時、残り１本の光ファイバｆ3 は、加熱源か
ら離しておく。次に光合分波器１の片側出力の光ファイ
バｆ2 と残りの光ファイバｆ3 とを整列し、融着加熱延
伸して光分岐結合器２を形成し、実装ケース４内に固定
する。その際、光合分波器１片側の光ファイバｆ1 は熱
源から離す。このようにして隣接して融着延伸部を構成
すれば、接続部の無い分離実装型光カプラを製作する事
が出来る。多分岐器の場合も同様で、この場合分岐数に
より、整列する光ファイバ数が異なる。例えば４分岐器
の場合は図３に示すように４本の光ファイバｆ1 ，
ｆ2 ，ｆ3 ，ｆ4 を整列する。叉、図１において光合分
波器１と光分岐結合器２の複合機能カップラの分離実装
の場合、３本の光ファイバｆ1 ，ｆ2 ，ｆ3 を整列実装
した構成をとっているが、本発明はそれに留まる事な
く、図３に示すように各固定実装にて光ファイバ２本ず
つの実装でも何等差し支えない。要は部品間にて一切接
続部がなければよいのである。従って、本発明による分
離実装型光カプラを使用した場合、次のような利点を有
する。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an embodiment of a separation type optical coupler according to the present invention, in which an optical multiplexer / demultiplexer 1 and an optical branching / coupling device 2 are adjacently fused and stretched, and are separately mounted. As described above, the optical fibers f 1 , f 2 and f 3 between the components can be bent and easily configured and mounted. As a procedure for manufacturing this separate mounting type optical coupler, three optical fibers f 1 , f 2 and f 3 are aligned, and two of the optical fibers f 1 and f 2 are fusion-heated and drawn to perform optical multiplexing / demultiplexing. The container 1 is formed and fixed in the mounting case 3. At this time, the remaining one optical fiber f 3 is separated from the heating source. Next, the optical fiber f 2 on one side of the optical multiplexer / demultiplexer 1 and the remaining optical fiber f 3 are aligned, fused and heated and extended to form the optical branching / coupling device 2 and fixed in the mounting case 4. At that time, the optical fiber f 1 on one side of the optical multiplexer / demultiplexer 1 is separated from the heat source. By thus forming the fusion splicing portions adjacent to each other, it is possible to manufacture a separate mounting type optical coupler having no connection portion. The same applies to the case of a multi-branch device. In this case, the number of aligned optical fibers differs depending on the number of branches. For example, in the case of a four-branch device, as shown in FIG. 3, four optical fibers f 1 ,
Align f 2 , f 3 and f 4 . Further, in the case of separate mounting of the multi-functional coupler of the optical multiplexer / demultiplexer 1 and the optical branching / coupling device 2 in FIG. 1, three optical fibers f 1 , f 2 and f 3 are arranged and mounted, The present invention is not limited to this, and it is also possible to mount two optical fibers in each fixed mounting as shown in FIG. The point is that there is no connection between the parts. Therefore, the use of the separate mounting type optical coupler according to the present invention has the following advantages.

【０００８】[0008]

【発明の効果】【The invention's effect】

（１）部品間にて接続部が無い為、信頼性が高く、それ
による損失が生じない。 （２）従って、接続補強用部材の必要性が無く、実装容
易で、価格も安い。(1) Since there is no connecting part between parts, the reliability is high and no loss is caused by it. (2) Therefore, there is no need for a member for reinforcing connection, mounting is easy, and the price is low.

【０００９】（３）ケース内実装において余長処理がな
いので、必要とするスペースが小さく小型実装可能であ
る。(3) Since there is no extra length processing in mounting in the case, the required space is small and the mounting can be small.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明による分離実装型光カプラの一実施例を
示す図。FIG. 1 is a diagram showing an embodiment of a separate mounting type optical coupler according to the present invention.

【図２】図１の分離実装型光カプラの設置例を示す図。FIG. 2 is a diagram showing an installation example of the separate mounting type optical coupler of FIG.

【図３】本発明による分離実装型光カプラの多分岐器へ
の応用例を示す図。FIG. 3 is a diagram showing an application example of the separate mounting type optical coupler according to the present invention to a multi-branching device.

【符号の説明】[Explanation of symbols]

ｆ1 ，ｆ2 ，ｆ3 ，ｆ4 ：光ファイバ １：光合分波器 ２：光分岐結合器 ３，４：実装ケースf 1 , f 2 , f 3 , f 4 : optical fiber 1: optical multiplexer / demultiplexer 2: optical branching / coupling device 3, 4: mounting case

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】束にされた複数本の光ファイバの複数箇所
に、この束のなかの少なくとも２本の光ファイバを融着
延伸した結合部が形成され、この結合部のそれぞれが個
々の実装部材に固定されて成ることを特徴とする分離実
装型光カプラ。1. A plurality of bundled optical fibers are provided with a joint portion formed by fusing and extending at least two optical fibers in the bundle, and each of the joint portions is individually mounted. A separate mounting type optical coupler which is fixed to a member.
JP12996094A 1994-05-23 1994-06-13 Separate packaging type optical coupler Pending JPH07333455A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP12996094A JPH07333455A (en) 1994-06-13 1994-06-13 Separate packaging type optical coupler
US08/447,331 US5802224A (en) 1994-05-23 1995-05-22 Optical coupler for performing light branching and light mixing/branch filtering in a light communication network
EP95107915A EP0684492B1 (en) 1994-05-23 1995-05-23 Optical coupler
DE69530144T DE69530144T2 (en) 1994-05-23 1995-05-23 Optical coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12996094A JPH07333455A (en) 1994-06-13 1994-06-13 Separate packaging type optical coupler

Publications (1)

Publication Number Publication Date
JPH07333455A true JPH07333455A (en) 1995-12-22

Family

ID=15022695

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12996094A Pending JPH07333455A (en) 1994-05-23 1994-06-13 Separate packaging type optical coupler

Country Status (1)

Country Link
JP (1) JPH07333455A (en)

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