JPS61159607A - Connecting device of optical fiber - Google Patents
Connecting device of optical fiberInfo
- Publication number
- JPS61159607A JPS61159607A JP59280850A JP28085084A JPS61159607A JP S61159607 A JPS61159607 A JP S61159607A JP 59280850 A JP59280850 A JP 59280850A JP 28085084 A JP28085084 A JP 28085084A JP S61159607 A JPS61159607 A JP S61159607A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- lens
- connecting device
- convex lens
- conical
- 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
Classifications
-
- 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
- G02B6/36—Mechanical coupling means
- G02B6/3604—Rotary joints allowing relative rotational movement between opposing fibre or fibre bundle ends
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
Description
【発明の詳細な説明】 ［技術分野］ 本発明は、光ファイバの接続装置に関する。[Detailed description of the invention] [Technical field] The present invention relates to an optical fiber connecting device.
［背景技術］
２つの光ファイバを接続する場合には、第４図に示すよ
うに、一方の光ファイバ１１の端面にレンズ１２ａを固
定し、他方の光ファイバ２１の端面にレンズ２２を固定
し、レンズ１２ａ、２２を対向させている。そして、光
ファイバ２１を通過した光は、レンズ２２で平行光とな
り、その平行光は、レンズ１２ａを介して光ファイバ１
１に集束され送られる。[Background Art] When connecting two optical fibers, as shown in FIG. 4, a lens 12a is fixed to the end face of one optical fiber 11, and a lens 22 is fixed to the end face of the other optical fiber 21. , lenses 12a and 22 are opposed to each other. The light that has passed through the optical fiber 21 becomes parallel light at the lens 22, and the parallel light is transmitted to the optical fiber 1 via the lens 12a.
1 and sent.
［背景技術の問題点］
しかし、第５図に示すように、光ファイバの軸ずれが生
じた場合には、レンズ２２で発生する平行光の何割かが
レンズ１２＆に到達しなくなるので、伝達エネルギーの
損失になる。また、レンズ１２と光ファイバ２１との間
隔または、レンズ１２ａと光ファイバ１１との間隔が所
定値から変化すると、上記と同様に伝達エネルギーの損
失になる。[Problems with the Background Art] However, as shown in FIG. 5, if the axis of the optical fiber is misaligned, some of the parallel light generated by the lens 22 will not reach the lens 12&, so the transmitted energy will be reduced. will result in a loss. Further, if the distance between the lens 12 and the optical fiber 21 or the distance between the lens 12a and the optical fiber 11 changes from a predetermined value, the transmitted energy will be lost in the same way as described above.
［発明の目的］
本発明は、ｆ！ｒＬｔ技術の問題点に着］］シてなされ
たもので、光ファイバが多少軸ずれを起こしても、伝達
エネルギーが損失しないような光ファイバ、の接続装置
を提供することを目的とするものである。[Object of the invention] The present invention provides f! The purpose of this technology is to provide an optical fiber connection device that does not cause loss of transmitted energy even if the optical fiber is slightly misaligned. be.
［発明の実施例］
第１５！Ｊは１本発明の一実施例を示す縦断面図である
。[Embodiments of the invention] No. 15! J is a longitudinal sectional view showing one embodiment of the present invention.
この実施例は、固定本体ｌＯと回転本体２０との２つの
部分から構成され！＋定本体ｌＯは、光ファイバ１１と
コーン形レンズ１２とを有する。This embodiment is composed of two parts: a fixed body lO and a rotating body 20! The + constant body lO has an optical fiber 11 and a cone-shaped lens 12.
この光ファイバ１１とコーン形レンズ１２とは。What are this optical fiber 11 and cone lens 12?
光学用接着剤で密着して設置されている０回転本体２Ｇ
は、光ファイバ２１と凸レンズ２２とを有する。光ファ
イバ２１の端面とレンズ２２とは、焦点距離ｆの間隔を
維持されている。そして、固定本体１０に対して、回転
本体２０が回転しやすい手段が設けられている。Zero-rotation main body 2G installed tightly with optical adhesive
has an optical fiber 21 and a convex lens 22. The distance between the end face of the optical fiber 21 and the lens 22 is maintained at a focal length f. A means for easily rotating the rotary body 20 with respect to the fixed body 10 is provided.
第２図は、第１図の要部を拡大して示した図である。FIG. 2 is an enlarged view of the main part of FIG. 1.
第３図は１本発明の他の実施例を示す要部拡大図である
。FIG. 3 is an enlarged view of main parts showing another embodiment of the present invention.
この実施例は、第２図のコーン形レンズ１２の代りに、
内面が円錐になっている内面円錐ミラー１３を使用した
ものである０図中、符号１３ｍは１反射面を示すもので
ある。In this embodiment, instead of the cone-shaped lens 12 in FIG.
In Figure 0, which uses an inner conical mirror 13 whose inner surface is a cone, the reference numeral 13m indicates a reflecting surface.
次に、上記実施例の作用について説明する。Next, the operation of the above embodiment will be explained.
もし、何等かの理由によって、光ファイバ１１と２１と
が軸ずれを生じた場合、コーン形レンズ１２の口径がレ
ンズ２２の口径よりも大きいので、レンズ２２を介して
送られる平行光は、全てコーン形レンズ１２に入射し、
その間におけるエネルギー損失が発生しない、コーン形
レンズ１２の代りに内面円錐形ミラー１３ｍを使用した
場合も同様である。If the axes of optical fibers 11 and 21 are misaligned for some reason, since the aperture of cone lens 12 is larger than the aperture of lens 22, all of the parallel light sent through lens 22 will be enters the cone-shaped lens 12,
The same applies to the case where the inner conical mirror 13m is used instead of the cone lens 12, which causes no energy loss therebetween.
また、上記実施例においては、回転本体２０が設けられ
ていたが、この回転本体２０を固定本体１０に対して、
固定してもよい。Further, in the above embodiment, the rotating body 20 is provided, but the rotating body 20 is connected to the fixed body 10,
It may be fixed.
［発明の効果Ｊ
本発明は、光ファイバが多少軸ずれを起こして蔦、伝達
エネルギーが損失しないとい）効果を右する。[Effect of the Invention J] The present invention has the advantage that there is no loss of transmitted energy due to slight axis deviation of the optical fiber.
第１図は、本発明の一実施例を示す図である。
第２図は、第１図の要部拡大図である。
第３図は１本発明の他の実施例を示す図である。
第４５！ｌは、従来の光フアイバ接続装置の一例を示す
図である。
第５図は、丘記従来例が位置ずれを起こした場合を示す
図である。
１１．２１−−一光ファイバ、１２−−−コーン形レン
ズ、１３−−一内面円鱗ミラー、２２−−−レンズ。
特許出願人 株式会社ジャパン壷センサー・第２図
第４図 第５図FIG. 1 is a diagram showing an embodiment of the present invention. FIG. 2 is an enlarged view of the main part of FIG. 1. FIG. 3 is a diagram showing another embodiment of the present invention. 45th! 1 is a diagram showing an example of a conventional optical fiber connection device. FIG. 5 is a diagram illustrating a case where a positional shift occurs in the conventional example. 11.21--one optical fiber, 12--cone shaped lens, 13--one inner circular scale mirror, 22--lens. Patent applicant: Japan Urn Sensor Co., Ltd. Figure 2 Figure 4 Figure 5
Claims (5)
円錐反射面を有する内面円錐反射手段と； を有することを特徴とする光ファイバの接続装置。(1) In a device for connecting two optical fibers; a convex lens that is integral with one optical fiber; and an inner conical reflection means that is integral with the other optical fiber and has a conical reflective surface on the inner surface. An optical fiber connecting device characterized by having; and;
錐形ミラーであることを特徴とする光ファイバの接続装
置。(2) The optical fiber connecting device according to claim 1, wherein the internally conical reflecting means is a cone-shaped lens or an internally conical mirror.
おいて対向していることを特徴とする光ファイバの接続
装置。(3) The optical fiber connecting device according to claim 1, wherein the one optical fiber and the convex lens face each other with a predetermined distance therebetween.
円錐反射面を有する内面円錐反射手段と； 前記凸レンズと前記内面円錐反射手段とを相対的に回転
可能にする回転可能手段と； を有することを特徴とする光ファイバの接続装置。(4) In a device for connecting two optical fibers; a convex lens that is integral with one optical fiber; and an inner conical reflecting means that is integral with the other optical fiber and has a conical reflective surface on the inner surface. An optical fiber connecting device comprising: a rotatable means that allows the convex lens and the inner conical reflection means to rotate relative to each other;
錐形ミラーであることを特徴とする光ファイバの接続装
置。(5) The optical fiber connecting device according to claim 4, wherein the inner conical reflecting means is a cone-shaped lens or an inner conical mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59280850A JPS61159607A (en) | 1984-12-30 | 1984-12-30 | Connecting device of optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59280850A JPS61159607A (en) | 1984-12-30 | 1984-12-30 | Connecting device of optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61159607A true JPS61159607A (en) | 1986-07-19 |
Family
ID=17630849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59280850A Pending JPS61159607A (en) | 1984-12-30 | 1984-12-30 | Connecting device of optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61159607A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006053183A (en) * | 2004-08-09 | 2006-02-23 | Sumitomo Electric Ind Ltd | Optical receptacle and optical module |
| CN105068191A (en) * | 2015-09-17 | 2015-11-18 | 河北四方通信设备有限公司 | Optical fiber rotary connector and manufacturing process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50140144A (en) * | 1974-04-27 | 1975-11-10 | ||
| JPS5260637A (en) * | 1975-11-14 | 1977-05-19 | Post Office | Coupler for dielectric optical waveguide |
| JPS59226310A (en) * | 1983-06-07 | 1984-12-19 | Nec Corp | Optical coupling system |
-
1984
- 1984-12-30 JP JP59280850A patent/JPS61159607A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50140144A (en) * | 1974-04-27 | 1975-11-10 | ||
| JPS5260637A (en) * | 1975-11-14 | 1977-05-19 | Post Office | Coupler for dielectric optical waveguide |
| JPS59226310A (en) * | 1983-06-07 | 1984-12-19 | Nec Corp | Optical coupling system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006053183A (en) * | 2004-08-09 | 2006-02-23 | Sumitomo Electric Ind Ltd | Optical receptacle and optical module |
| CN105068191A (en) * | 2015-09-17 | 2015-11-18 | 河北四方通信设备有限公司 | Optical fiber rotary connector and manufacturing process thereof |
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