JPS61103113A - Method for fixing parts of optical device - Google Patents
Method for fixing parts of optical deviceInfo
- Publication number
- JPS61103113A JPS61103113A JP22612784A JP22612784A JPS61103113A JP S61103113 A JPS61103113 A JP S61103113A JP 22612784 A JP22612784 A JP 22612784A JP 22612784 A JP22612784 A JP 22612784A JP S61103113 A JPS61103113 A JP S61103113A
- Authority
- JP
- Japan
- Prior art keywords
- housing
- support member
- fixing
- contact
- optical
- 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
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、入出力ファイバを結合する光デバイスの部品
固定方法に係り、特に棒を用いレーザ溶接により簡易か
つ確実に固定できる光デバイスの部品固定方法に関する
ものである。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a method for fixing parts of an optical device that couples input and output fibers, and in particular to a method for fixing parts of an optical device that can be easily and reliably fixed by laser welding using a rod. This relates to a fixing method.
光ファイバは現在、光通信装置、光学測定器等に多く活
用されてきているが、この光ファイバとともに、レンズ
を介して光ファイバを結合する場合に用いられる光デバ
イスの部品固定方法も盛んに開発されており、これに伴
い光軸合わせ後容易かつ確実な固定方法の改善が強く要
望されている。Currently, optical fibers are widely used in optical communication equipment, optical measuring instruments, etc., and along with optical fibers, methods for fixing parts of optical devices, which are used to couple optical fibers through lenses, are also being actively developed. Accordingly, there is a strong demand for an improved method of fixing the optical axis easily and reliably after alignment.
第３図は、従来の光デバイスの部品固定方法を説明する
ための（ａｌは接着剤で固定した断面図、（ｂ）はレー
ザ溶接で固定した断面図である。FIG. 3 is a sectional view for explaining a conventional method of fixing parts of an optical device (Al is a cross-sectional view in which parts are fixed with adhesive, and (b) is a cross-sectional view in which parts are fixed by laser welding.
第３図（ａ）は、光通信装置等の筐体１の所定位置に光
ファイバの支持部材２を取着するに際し、筺体１内の図
示しない光ファイバと、支持部材２に挿入された図示し
ない光ファイバとをレンズ４を介し光軸合わせを行なっ
た状態で、筐体１と支持部材２の間隙に接着剤５を塗布
して接着されている。FIG. 3(a) shows an optical fiber (not shown) inside the housing 1 and an illustration of the optical fiber inserted into the support member 2 when attaching the optical fiber support member 2 to a predetermined position of the housing 1 of an optical communication device or the like. The housing 1 and the supporting member 2 are bonded together by applying an adhesive 5 to the gap between the housing 1 and the support member 2, with the optical axes of the optical fibers being aligned through the lens 4.
第３図（ｂ）は、第３図（ａｌと同様に光軸合わせを行
なった後、筺体１と支持部材２の接触部をレーザ溶接で
接着固定する方法が採られていきる。In FIG. 3(b), after the optical axes are aligned in the same manner as in FIG. 3(al), a method is adopted in which the contact portion between the housing 1 and the support member 2 is adhesively fixed by laser welding.
」−記構底の光デバイスの部品固定方法にあっては、接
着剤で固定する方法と、棒を用いずにレーザ溶接する方
法とがあるが、接着剤で固定する方法は、接着剤が固化
するまでに長時間を要するので製造時間の短縮が難しい
という問題点がある。” - There are two ways to fix parts of optical devices on the bottom of the structure: one is to fix them with adhesive, and the other is to use laser welding without using a stick. Since it takes a long time to solidify, there is a problem in that it is difficult to shorten the manufacturing time.
また棒を用いずにレーザ溶接する方法は、光軸合わせに
伴う支持部材の傾きにより、支持部材２と筐体１との間
隙が大きい場合は高強度で確実に固定することは困難で
ある等それぞれ問題点かあった。In addition, with the laser welding method without using a rod, if the gap between the support member 2 and the housing 1 is large due to the inclination of the support member due to alignment of the optical axis, it is difficult to securely fix the support member 2 with high strength. Each had their own problems.
Ｃ問題点を解決擦るための手段〕
本発明は、上記の問題点を解決した高強度で確実に固定
できる光デバイスの部品固定方法を提供するもので、そ
の手段は、レンズにより入出力ファイバを結合する光デ
バイスの部品固定方法において、前記ファイバ、レンズ
等の支持部材と筐体とを固定する手段を、該支持部材の
外辺と筺体間に棒を介在せしめ、前記支持部材と棒、棒
と筐体とをレーザ溶接することによってなされる。Means for Solving Problem C] The present invention provides a method for fixing parts of an optical device that solves the above problems and can be fixed securely with high strength. In a method for fixing parts of an optical device to be coupled, the means for fixing the support member such as the fiber or lens and the housing is provided by interposing a rod between the outer edge of the support member and the housing, and the housing by laser welding.
上記光デバイスの部品固定方法は、支持部材を・ｉ
装置筐体に光軸合わせ後固定する場合に、丸棒を介して
行なうので、筐体と支持部材との接触している部分と、
間隙のある部分とに丸棒を当接して、丸棒と接する筐体
と支持部材の接点をレーザ溶接により固定する確実な固
定方法である。The method for fixing the components of the optical device described above is as follows: When fixing the supporting member to the device casing after aligning the optical axis, it is done through a round bar, so that the part where the casing and the supporting member are in contact,
This is a reliable fixing method in which a round bar is brought into contact with the gap, and the contact points between the housing and the support member that are in contact with the round bar are fixed by laser welding.
以ド図面を参照しながら本発明に係る光デバイスの部品
固定方法の実施例について詳細に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a method for fixing parts of an optical device according to the present invention will be described in detail below with reference to the drawings.
第１図は、本発明に係る光デバイスの部品固定方法の一
実施例を説明するための＋ａｌは要部断面図。FIG. 1 is a cross-sectional view of a main part for explaining an embodiment of a method for fixing parts of an optical device according to the present invention.
（ｂｌはフランジのない支持部材の要部断面図で、第３
図と同等の部分については同一符号を付している。(bl is a sectional view of the main part of the support member without a flange, and the third
Parts that are equivalent to those in the figure are given the same reference numerals.
第１図（ａ）は、光通信装置等の筐体１の取′付孔１１
に光ファイバのフランジを有する支持部材２を取着する
に際し、筐体１内の図示しない光ファイバと、支持部材
２に挿入された図示しない光ファイバとをレンズ４を介
し光軸合わせを行なった状態で、筐体１と支持部材２と
の接触部および間隙部に丸棒３を介在せしめて、丸棒３
と接する厘体１と支持部材２の接点をレーザ溶接により
固定するようにしたものである。FIG. 1(a) shows the mounting hole 11 of a housing 1 of an optical communication device, etc.
When attaching the support member 2 having an optical fiber flange to the support member 2, the optical axes of the optical fiber (not shown) inside the housing 1 and the optical fiber (not shown) inserted into the support member 2 were aligned through the lens 4. In this state, the round bar 3 is interposed between the contact part and the gap between the casing 1 and the support member 2, and the round bar 3 is
The contact point between the support member 2 and the support member 1 is fixed by laser welding.
第１図（ｂ）は、フランジのない支持部材６を筺体１の
取付孔１１に挿入して、光軸合わせを行なった状態で、
筺体１と支持部ＪＡ６との間隙部に丸棒３を介在せしめ
て、丸棒３と接する筺体１と支持部材６の接点をレーザ
溶接により固定するようにしたものである。FIG. 1(b) shows a state in which the support member 6 without a flange is inserted into the mounting hole 11 of the housing 1 and the optical axis is aligned.
A round bar 3 is interposed in the gap between the housing 1 and the support member JA6, and the contact point between the housing 1 and the support member 6 that contacts the round bar 3 is fixed by laser welding.
第２図は、本発明に係る光デバイスの部品固定方法の他
の実施例を説明するための（ａｌは平面部に支持部材を
固定する正面図、山）は傾斜面部に支持部材を固定する
正面図、（Ｃ）はＶ溝ブロックに支持部材を固定する正
面図で、第１図と同・等の部分については同一符号を付
している。FIG. 2 is for explaining another embodiment of the method for fixing parts of an optical device according to the present invention (al is a front view of fixing a support member to a flat surface, and crests are a front view of fixing a support member to an inclined surface part). The front view (C) is a front view of fixing the support member to the V-groove block, and the same parts as in FIG. 1 are given the same reference numerals.
第２図（ａ）は、平面部８に角棒７を用いて平面部８と
、フランジのない支持部材６をその接点でレーザ溶接し
たものである。In FIG. 2(a), a square bar 7 is used for the flat part 8, and the flat part 8 and the support member 6 without a flange are laser welded at their contact points.
第２図（ｂｌは、傾斜面部９に丸棒３を用いて傾斜面部
９と、フランジのない支持部材６をその接点でレーザ溶
接したものである。In FIG. 2 (bl), the inclined surface portion 9 and the support member 6 without a flange are laser welded at the contact point using a round bar 3 on the inclined surface portion 9.
第２図（Ｃ１は、■溝ブロック１０に丸棒３を用いて■
溝ブロック１０と、フランジのない支持部材６をその接
点でレーザ溶接したものである。Fig. 2 (C1 uses the round bar 3 in the groove block 10.
A groove block 10 and a support member 6 without a flange are laser welded at their contact points.
なお、本実施例では棒３を丸棒および角棒について説明
したが、九捧、角棒に限らず楕円形その他の断面形状で
あっても構わない。In this embodiment, the rod 3 has been described as a round rod and a square rod, but the rod 3 is not limited to a square rod or a square rod, but may have an oval or other cross-sectional shape.
゛ 〔発明の効果〕
以上の説明から明らかなように、本発明に係る光デバイ
スの部品固定方法によれば、固定が容易且つ確実に行な
え信頼性が向上するとともに、支持部材の形状が自由に
なり加工コストの低減が図れる利点がある。゛ [Effects of the Invention] As is clear from the above explanation, according to the method for fixing parts of an optical device according to the present invention, fixation can be performed easily and reliably, improving reliability, and the shape of the supporting member can be freely changed. This has the advantage of reducing processing costs.
第１図は、本発明に係る光デバイスの部品固定方法の一
実施例を説明するための（ａ）は要部断面図。
（ｂ）はフランジのない支持部材の要部断面図、第２図
は、本発明に係る光デバイスの部品固定方法の他の実施
例を説明するための（ａ）は平面部に支持部材を固定す
る正面図、（ｂ）は傾斜面部に支持部材を固定する正面
図、（Ｃ）は■溝ブロックに支持部材を固定する正面図
、
第３図は、従来の光デバイスの部品固定方法を説明する
ための（ａ）は接着剤で固定した断面図、 （ｂｌはレ
ーザ溶接で固定した断面図である。
図中、１は筐体、２は支持部材、３は丸棒、４は結合用
レンズ、５は接着剤、６はフランジのない支持部材、７
は角棒、８は平面部、９は傾斜面部、１０は■溝ブロッ
ク、１１は取付孔、をそれぞれ示す。
第１図
（Ｃ１） （ｂ）、。
、 第３［’４’ 山。FIG. 1 is a sectional view of a main part (a) for explaining an embodiment of a method for fixing parts of an optical device according to the present invention. (b) is a cross-sectional view of a main part of a supporting member without a flange, and (a) is a sectional view of a supporting member on a flat surface for explaining another embodiment of the method for fixing parts of an optical device according to the present invention. (b) is a front view of fixing the support member to the inclined surface; (C) is a front view of fixing the support member to the groove block; Figure 3 shows the conventional method of fixing parts of an optical device. For purposes of explanation, (a) is a cross-sectional view fixed with adhesive, (bl is a cross-sectional view fixed with laser welding. In the figure, 1 is a housing, 2 is a support member, 3 is a round bar, and 4 is a joint) 5 is an adhesive, 6 is a supporting member without a flange, 7 is a lens for
8 indicates a square bar, 8 indicates a flat portion, 9 indicates an inclined surface portion, 10 indicates a groove block, and 11 indicates a mounting hole. Figure 1 (C1) (b). , the third ['4' mountain.
Claims (1)
品固定方法において、前記ファイバ、レンズ等の支持部
材と筐体とを固定する手段を、該支持部材の外辺と筺体
間に棒を介在せしめ、前記支持部材と棒、棒と筺体とを
レーザ溶接することを特徴とする光デバイスの部品固定
方法。In a method for fixing parts of an optical device in which input and output fibers are coupled by a lens, the means for fixing the support member for the fiber, lens, etc. and the casing is provided by interposing a rod between the outer side of the support member and the casing; A method for fixing parts of an optical device, characterized by laser welding a supporting member and a rod, and a rod and a housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22612784A JPS61103113A (en) | 1984-10-26 | 1984-10-26 | Method for fixing parts of optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22612784A JPS61103113A (en) | 1984-10-26 | 1984-10-26 | Method for fixing parts of optical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61103113A true JPS61103113A (en) | 1986-05-21 |
Family
ID=16840261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22612784A Pending JPS61103113A (en) | 1984-10-26 | 1984-10-26 | Method for fixing parts of optical device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61103113A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017184781A1 (en) * | 2016-04-22 | 2017-10-26 | Cognex Corporation | Joint of mated components |
-
1984
- 1984-10-26 JP JP22612784A patent/JPS61103113A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017184781A1 (en) * | 2016-04-22 | 2017-10-26 | Cognex Corporation | Joint of mated components |
| CN109313318A (en) * | 2016-04-22 | 2019-02-05 | 康耐视股份有限公司 | The fastener of matching seaming element |
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