JPH0750220B2 - Optical connector terminal structure - Google Patents
Optical connector terminal structureInfo
- Publication number
- JPH0750220B2 JPH0750220B2 JP1048858A JP4885889A JPH0750220B2 JP H0750220 B2 JPH0750220 B2 JP H0750220B2 JP 1048858 A JP1048858 A JP 1048858A JP 4885889 A JP4885889 A JP 4885889A JP H0750220 B2 JPH0750220 B2 JP H0750220B2
- Authority
- JP
- Japan
- Prior art keywords
- tubular
- optical connector
- connector terminal
- light
- terminal structure
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 title claims description 11
- 239000013307 optical fiber Substances 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 239000011347 resin Substances 0.000 description 17
- 229920005989 resin Polymers 0.000 description 17
- 230000000694 effects Effects 0.000 description 2
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、光ファイバ相互を接続する光コネクタに関
し、特に光硬化性樹脂を用いて光ファイバを固定する光
コネクタ端末構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical connector for connecting optical fibers to each other, and more particularly to an optical connector terminal structure for fixing an optical fiber using a photocurable resin.
従来、この種の光コネクタ端末構造は、第３図に示すよ
うに光ファイバ20の外径よりわずかに径の大きな穴のあ
いた透光性を有する部材21が管状の外周部材22に固定さ
れており、管状の外周部材23の内側面又は透光性部材21
の外側面はなめらかな表面となっていた。Conventionally, in this type of optical connector terminal structure, as shown in FIG. 3, a translucent member 21 having a hole having a diameter slightly larger than the outer diameter of the optical fiber 20 is fixed to a tubular outer peripheral member 22. Cage, the inner surface of the tubular outer peripheral member 23 or the translucent member 21.
The outer surface of the was a smooth surface.
この種の光コネクタ端末構造では、光ファイバ20は光硬
化性樹脂23が塗布された後、透光性部材21の穴に挿入さ
れ、光コネクタ端末前端部から光を照射することで、端
末に接着固定されるものである。しかしながら従来の光
コネクタ端末構造は、管状の外周部材22の内側面又は、
透光性部材21の外側面はなめらかな表面となっていた。
このため、光コネクタ端末前端部より光を照射した場
合、光ファイバに塗布された光硬化性樹脂にあたる光
は、端末前端部からの入射光のうち、直接光硬化性樹脂
の部分に達するもの又は、数回反射してきたものに限ら
れ、実際に硬化に寄与する光は入射光のうちほんのわず
きであるという欠点がある。このため通常の光源では非
常に光硬化性のよい光硬化性樹脂しか使用できず、樹脂
の使用範囲が限定されてしまう。また強力な光源では一
般に消費電力が大きく、装置も大型になり作業性が劣っ
てしまう。In this type of optical connector terminal structure, the optical fiber 20 is inserted into the hole of the translucent member 21 after the photocurable resin 23 is applied, and the terminal is irradiated with light from the front end of the optical connector terminal. It is fixed by adhesion. However, the conventional optical connector terminal structure, the inner surface of the tubular outer peripheral member 22 or,
The outer surface of the translucent member 21 was a smooth surface.
For this reason, when the light is irradiated from the front end of the optical connector terminal, the light hitting the photo-curable resin applied to the optical fiber reaches the part of the photo-curable resin directly from the incident light from the front end of the terminal or However, there is a drawback that the light that actually contributes to curing is only a small amount of incident light, since it is limited to light that has been reflected several times. For this reason, only a photocurable resin having a very good photocurability can be used with an ordinary light source, and the range of use of the resin is limited. In addition, a powerful light source generally consumes a large amount of power, and the device becomes large, resulting in poor workability.
本発明の光コネクタ端末構造は、光ファイバ外径よりわ
ずかに径の大きな穴のあいた透光性を有する管状の第一
の部材と、該第一の部材外周に同軸上に端部をそろえて
固定された第二の管状部材からなり、端部近傍の第一の
部材と第二の管状部材が接する部分において、第二の管
状部材の内側部に波状の凹凸を有しているか、あるい
は、第一の透光性部材の外側部に波状の凹凸を有してい
る。The optical connector terminal structure of the present invention comprises a tubular first member having translucency and having a hole slightly larger in diameter than the outer diameter of the optical fiber, and an end portion coaxially aligned with the outer periphery of the first member. It consists of a fixed second tubular member, in the portion where the first member and the second tubular member in the vicinity of the end contact, has a wavy unevenness on the inner side of the second tubular member, or The first translucent member has wavy irregularities on the outer side.
次に、本発明の実施例について図面を参照して説明す
る。Next, embodiments of the present invention will be described with reference to the drawings.
第１図は本発明の一実施例の縦断面図である。FIG. 1 is a vertical sectional view of an embodiment of the present invention.
図において、透光性を有する管状の第一の部材１は、同
軸上に端部をそろえて、第二の管状の外周部材２に固定
されており、第二の管状の外周部材２の内側部には波状
の凹凸３が設けてある。光ファイバ４は第一の部材の穴
５に挿入され、光ファイバと穴の間には、光硬化性樹脂
６が充填されている。端末前端部７より照射された光８
は、波状の凹凸３により乱反射され、光硬化性樹脂６に
あたり、樹脂を硬化させる。In the figure, a translucent tubular first member 1 is fixed to a second tubular outer peripheral member 2 with its ends coaxially aligned, and the inside of the second tubular outer peripheral member 2 is fixed. The portion is provided with wavy unevenness 3. The optical fiber 4 is inserted into the hole 5 of the first member, and the photocurable resin 6 is filled between the optical fiber and the hole. Light 8 emitted from the front end 7 of the terminal
Is irregularly reflected by the wavy unevenness 3 and hits the photocurable resin 6 to cure the resin.
第２図は本発明の他の実施例の縦断面図である。FIG. 2 is a vertical sectional view of another embodiment of the present invention.
図において、透光性を有する管状の第１の部材の外周に
波状の凹凸10が設けてある。端末前端部11より照射され
た光12は波状の凹凸10により散乱する。なお、外周部材
22は第３図の外周部材22と同一である。In the figure, wavy unevenness 10 is provided on the outer circumference of a tubular first member having a light-transmitting property. Light 12 emitted from the front end portion 11 of the terminal is scattered by the wavy unevenness 10. The outer peripheral member
22 is the same as the outer peripheral member 22 of FIG.
以上説明したように本発明は、管状の外挿部材の内側面
又は透光性部材の外側面に波状の凹凸を設ける事によ
り、端末端部より照射された光を波状の凹凸により乱反
射させ、光ファイバと、透光性部材の穴の間に充填され
た光硬化性樹脂に光があたる割合を増加させる効果があ
る。この事により従来、この種の端末構造において、光
硬化性樹脂の硬化に非常に強い光源を必要としていた
が、通常の光源が使用できる様になり、このため光源が
小型化されより取り扱いやすくなるという特徴がある。
また、従来、光硬化性樹脂にとどく光が弱かったため、
使用できる樹脂は非常に硬化性のよいものに限られてい
たが、充填された樹脂の部分に光があたる割合が増加す
ることで、より多くの樹脂の使用が可能となり、より信
頼性の高い光硬化性樹脂の使用が可能となる。As described above, the present invention, by providing wavy unevenness on the inner surface of the tubular outer insertion member or the outer surface of the translucent member, diffusely reflects the light emitted from the terminal end portion by the wavy unevenness, This has the effect of increasing the rate at which the photocurable resin filled between the optical fiber and the hole of the translucent member is exposed to light. Due to this, conventionally, in this type of terminal structure, an extremely strong light source was required to cure the photocurable resin, but an ordinary light source can be used, and therefore the light source is made smaller and easier to handle. There is a feature called.
In addition, since the light was weak as far as the photo-curable resin,
The resins that can be used were limited to those with very good curability, but by increasing the proportion of the filled resin that is exposed to light, it is possible to use more resins, which leads to higher reliability. It becomes possible to use a photocurable resin.
第１図は本発明の一実施例の縦断面図、第２図は本発明
の他の実施例の縦断面図、第３図は従来の端末構造の縦
断面図である。 １……透光性を有する管状の第一の部材、２……第二の
管状の外周部材、３……波状の凹凸、４……光ファイ
バ、５……穴、６……光硬化性樹脂、７……端末前端
部、８……光。FIG. 1 is a vertical sectional view of an embodiment of the present invention, FIG. 2 is a vertical sectional view of another embodiment of the present invention, and FIG. 3 is a vertical sectional view of a conventional terminal structure. 1 ... Translucent tubular first member, 2 ... Second tubular outer peripheral member, 3 ... Wavy unevenness, 4 ... Optical fiber, 5 ... Hole, 6 ... Photocurable Resin, 7 ... Front end of terminal, 8 ... Light.
Claims (1)
のあいた透光性を有する管状の第一の部材と、該第一の
部材外周に同軸上に端部をそろえて固定された第二の管
状の外周部材から光コネクタ端末において、 前記端部の近傍における前記第一の部材と前記第二の管
状の外周部材が接する部分の、前記第二の管状の外周部
材の内側部又は、前記透光性を有する管状の第一の部材
の外側部に波状の凹凸を設けたことを特徴とする光コネ
クタ端末構造。1. A tubular first member having a light-transmitting property and having a hole slightly larger in diameter than the outer diameter of the optical fiber, and a first member fixed to the outer periphery of the first member coaxially with their ends aligned. In the optical connector terminal from the second tubular outer peripheral member, a portion of the second tubular outer peripheral member in contact with the first member in the vicinity of the end portion, the inner portion of the second tubular outer peripheral member, or An optical connector terminal structure, characterized in that corrugated irregularities are provided on an outer portion of the translucent tubular first member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1048858A JPH0750220B2 (en) | 1989-02-28 | 1989-02-28 | Optical connector terminal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1048858A JPH0750220B2 (en) | 1989-02-28 | 1989-02-28 | Optical connector terminal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02226208A JPH02226208A (en) | 1990-09-07 |
| JPH0750220B2 true JPH0750220B2 (en) | 1995-05-31 |
Family
ID=12814972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1048858A Expired - Lifetime JPH0750220B2 (en) | 1989-02-28 | 1989-02-28 | Optical connector terminal structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0750220B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6313013B2 (en) * | 2013-10-28 | 2018-04-18 | 京セラ株式会社 | Thermal head and thermal printer equipped with the same |
| CN110099648B (en) * | 2016-10-11 | 2022-06-14 | 波士顿科学医学有限公司 | Medical laser apparatus and related methods |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60150009A (en) * | 1984-01-18 | 1985-08-07 | Nec Corp | Terminal structure of optical connector |
| JPS60186811A (en) * | 1984-03-06 | 1985-09-24 | Toyota Motor Corp | Optical connector |
| JPS61162813U (en) * | 1985-03-29 | 1986-10-08 |
-
1989
- 1989-02-28 JP JP1048858A patent/JPH0750220B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02226208A (en) | 1990-09-07 |
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