JPH02308109A - Structure for fixing optical module - Google Patents
Structure for fixing optical moduleInfo
- Publication number
- JPH02308109A JPH02308109A JP13053589A JP13053589A JPH02308109A JP H02308109 A JPH02308109 A JP H02308109A JP 13053589 A JP13053589 A JP 13053589A JP 13053589 A JP13053589 A JP 13053589A JP H02308109 A JPH02308109 A JP H02308109A
- Authority
- JP
- Japan
- Prior art keywords
- flange
- optical
- optical fiber
- cylindrical metal
- spherical surface
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 25
- 239000013307 optical fiber Substances 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims description 26
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、数種類の部材の精密整列構造に関し、特に光
モジュールの光ファイバと光素子の整列固定構造に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a structure for precisely aligning several types of members, and particularly to a structure for aligning and fixing optical fibers and optical elements of an optical module.
従来、この種の固定構造は、第２図で示すごとく、光フ
ァイバエを保持する円筒状金具２と光素子５を保持する
円筒状金具４と該円筒状金具２と４を係止するフランジ
３とから構成されていた。Conventionally, this type of fixing structure, as shown in FIG. 2, includes a cylindrical metal fitting 2 that holds an optical fiber, a cylindrical metal fitting 4 that holds an optical element 5, and a flange 3 that locks the cylindrical metal fittings 2 and 4. It was composed of.
上述した従来の固定構造は、フランジ３と円筒状金具４
の固定を平面の突き合わせで行なっているので、光ファ
イバ１と光素子５の整列方向に対し光路が角度を持って
いると固定が不可能になったり、固定が困難になり、調
整工数が増え、固定の信頼度も悪くなるという欠点があ
る。The conventional fixing structure described above includes a flange 3 and a cylindrical metal fitting 4.
Since the fixing is done by butting planes, if the optical path is at an angle to the alignment direction of the optical fiber 1 and the optical element 5, fixing may become impossible or difficult, increasing the number of adjustment steps. , the disadvantage is that the fixed reliability is also poor.
本発明の固定構造は、光ファイバ１を保持する円筒状金
具２と、光素子５を保持し球面状の凹みを有する円筒状
金具４と、該円筒状金具２と４を係止し該円筒状金具４
の凹みにあう半径の凸球面を持つフランジ３とを有して
いる。The fixing structure of the present invention consists of a cylindrical metal fitting 2 that holds an optical fiber 1, a cylindrical metal fitting 4 that holds an optical element 5 and has a spherical recess, and a cylindrical metal fitting 4 that locks the cylindrical metal fittings 2 and 4 and locks the cylindrical metal fittings 2 and 4. shaped metal fittings 4
The flange 3 has a convex spherical surface with a radius that fits the recess.
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 longitudinal sectional view of one embodiment of the present invention.
図において、光ファイバ１は、端面がフランジ３の中心
軸上にくるように円筒状金具２を介して、フランジ３に
固定されている。フランジ３の先端には凸球面が形成さ
れている。光素子５は、光ファイバ１の端面上に集光す
るように円筒状金具４に固定されている。フランジ３は
、凸球面を円筒状金具４の凹球面に密着させた状態で、
光素子５の出射光（入射光）の光路軸と光ファイバ１の
光路軸が一致するように回転して、円筒状金具４に固定
されている。In the figure, an optical fiber 1 is fixed to a flange 3 via a cylindrical metal fitting 2 so that its end face is on the central axis of the flange 3. A convex spherical surface is formed at the tip of the flange 3. The optical element 5 is fixed to the cylindrical metal fitting 4 so as to condense light onto the end face of the optical fiber 1. The flange 3 has its convex spherical surface in close contact with the concave spherical surface of the cylindrical metal fitting 4.
The optical fiber 1 is rotated and fixed to the cylindrical metal fitting 4 so that the optical path axis of the emitted light (incident light) of the optical element 5 and the optical path axis of the optical fiber 1 coincide.
以上説明したように本発明は、球面状の凹みを持つ円筒
状金具と凸球面を持つフランジを用いることにより、光
ファイバ１と光素子５の光路軸の角度調整をした固定が
可能になり、調整工数を減らし固定の信頼度を向上する
効果がある、なお、本発明は前記実施例に限定されるこ
となく、フランジ３を円筒状金具に変更したり、円筒状
金具２をフランジ３と一体化したり、円筒状金具４を他
の形状にするなど種々の変更が可能である。As explained above, in the present invention, by using a cylindrical metal fitting having a spherical recess and a flange having a convex spherical surface, it is possible to fix the optical fiber 1 and the optical element 5 while adjusting the angle of the optical path axes. This invention has the effect of reducing adjustment man-hours and improving the reliability of fixing. Note that the present invention is not limited to the above embodiments, and the flange 3 may be changed to a cylindrical metal fitting, or the cylindrical metal fitting 2 may be integrated with the flange 3. Various changes can be made, such as changing the shape of the cylindrical metal fitting 4 to a different shape.
第１図は本発明の実施例の縦断面図、第２図は従来の光
モジュールの固定構造の断面図である。
１・・・・・・光ファイバ、２・・・・・・円筒状金具
、３・旧・・フランジ、４・・・・・・円筒状金具、５
・・・・・・光素子。
代理人 弁理士 内 原 音
／ｌFIG. 1 is a longitudinal sectional view of an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional optical module fixing structure. 1... Optical fiber, 2... Cylindrical metal fitting, 3. Old... Flange, 4... Cylindrical metal fitting, 5
・・・・Optical element. Agent Patent Attorney Oto Uchihara/l
Claims (1)
する円筒状金具２と、光素子５を保持し球面状の凹みを
有する円筒状金具４と、該円筒状金具２と４を係止し円
筒状金具４の凹みにあう半径の凸球面を持つフランジ３
とから構成される光モジュールの固定構造。In the fixing structure of an optical module, a cylindrical metal fitting 2 that holds an optical fiber 1, a cylindrical metal fitting 4 that holds an optical element 5 and has a spherical recess, and a cylindrical metal fitting 2 that locks the cylindrical metal fittings 2 and 4 to form a cylindrical metal fitting. A flange 3 having a convex spherical surface with a radius that matches the recess of the metal fitting 4
A fixed structure for an optical module consisting of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13053589A JPH02308109A (en) | 1989-05-23 | 1989-05-23 | Structure for fixing optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13053589A JPH02308109A (en) | 1989-05-23 | 1989-05-23 | Structure for fixing optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02308109A true JPH02308109A (en) | 1990-12-21 |
Family
ID=15036617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13053589A Pending JPH02308109A (en) | 1989-05-23 | 1989-05-23 | Structure for fixing optical module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02308109A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0611317A (en) * | 1992-02-12 | 1994-01-21 | Hughes Aircraft Co | Conpact laser probe for profile measurement |
| JP2013109140A (en) * | 2011-11-21 | 2013-06-06 | First Mechanical Design Corp | Optical fiber coupling device |
-
1989
- 1989-05-23 JP JP13053589A patent/JPH02308109A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0611317A (en) * | 1992-02-12 | 1994-01-21 | Hughes Aircraft Co | Conpact laser probe for profile measurement |
| JP2013109140A (en) * | 2011-11-21 | 2013-06-06 | First Mechanical Design Corp | Optical fiber coupling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5677976A (en) | Optical attenuation fiber assembly | |
| JPS63118107A (en) | Ferrule for optical fiber connection | |
| GB2315564A (en) | Optical device having slant end surfaced optic fibre and GRIN lens | |
| US20020094163A1 (en) | Optical fiber collimator | |
| JPH02308109A (en) | Structure for fixing optical module | |
| JPH11160569A (en) | Optical coupling circuit | |
| JPH09318847A (en) | Photodetector and optical coupling structure for optical fiber | |
| JPS6358406A (en) | Light beam collimator with optical fiber | |
| JPH0915447A (en) | Structure and method for fixing optical fiber collimator | |
| JPS61134712A (en) | Fixing structure of optical semiconductor module | |
| US5825953A (en) | Polarized light variable lens holder | |
| US6978065B2 (en) | Ruggedized optical fiber collimator | |
| US6710924B1 (en) | Spectroscope with multiple laser beams | |
| JPS6262323A (en) | Optical isolator | |
| JP2935553B2 (en) | Collimator | |
| JPS61138216A (en) | Semiconductor laser module | |
| JPS61138217A (en) | Semiconductor laser module | |
| JP2004061896A (en) | Lens unit | |
| JPH04178604A (en) | Connector of optical waveguide and optical fiber | |
| JPH01101501A (en) | Convergent type rod lens | |
| JPH08286150A (en) | Optical isolator | |
| JPH02211411A (en) | Method for adjusting optical coupling system | |
| JPS6187111A (en) | Terminal structure of optical fiber connector | |
| JPS61252524A (en) | Laser emitting device | |
| JPH04345109A (en) | Semiconductor laser module |