JPS6323683Y2 - - Google Patents
Info
- Publication number
- JPS6323683Y2 JPS6323683Y2 JP1982079354U JP7935482U JPS6323683Y2 JP S6323683 Y2 JPS6323683 Y2 JP S6323683Y2 JP 1982079354 U JP1982079354 U JP 1982079354U JP 7935482 U JP7935482 U JP 7935482U JP S6323683 Y2 JPS6323683 Y2 JP S6323683Y2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- sleeve
- corrosion
- collet
- holder
- 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
Links
- 238000005260 corrosion Methods 0.000 claims description 20
- 239000013307 optical fiber Substances 0.000 claims description 20
- 230000007797 corrosion Effects 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 claims description 2
- 239000010951 brass Substances 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 238000007740 vapor deposition Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 2
- 239000003779 heat-resistant material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
Description
【考案の詳細な説明】
この考案は、光フアイバ用ホルダ、特に高出力
レーザ光伝送用光フアイバの端末部を保持するの
に適したホルダに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an optical fiber holder, particularly a holder suitable for holding the end portion of an optical fiber for transmitting high-power laser light.
光フアイバに高出力レーザ光を通すと、光の
入・出射端において発熱するため、端末部を直接
保持する部品は耐熱性の良好な材料によつて形成
する必要があり、また、この部品には耐腐蝕性も
要求される。 When a high-power laser beam is passed through an optical fiber, heat is generated at the input and output ends of the light, so the parts that directly hold the ends must be made of a material with good heat resistance. Corrosion resistance is also required.
ところで、公知の光フアイバ用ホルダとして
は、第１図に示すもの、即ち、中空状とした本体
１の先端穴１ａに、割り溝付のコレツト２を挿入
し、このコレツトを本体１の先端外周に螺合した
締付ナツト３によつて収縮することにより、中心
に通した光フアイバＡを保持するものがあるが、
この種のホルダは、本体１を例えばKCl，KBr，
AgCl，AgBrなど腐蝕性のある材料によつて形成
する場合、コレツト２に要求される首記の条件は
一層厳しいものとなる。ところが、耐熱性、耐蝕
性の両方を満足する材料として挙げられるアルミ
ナ等は、弾力性が殆んどないため、コレツトの素
材として使用することができない。また、耐熱性
の弾性材料から成るコレツトの内面に防蝕処理を
施すことも考えられるが、この方法では、穴径が
１〜２mm程度のフアイバ用コレツトに実用に耐え
る防蝕層を施すのが難しい。何故なら穴径が小さ
いため例えばメツキ加工した場合、内面に一様に
メツキ層が付着しないからである。 By the way, as a known optical fiber holder, there is one shown in FIG. There are some that hold the optical fiber A passed through the center by contracting with a tightening nut 3 screwed into the
This type of holder uses a main body 1 such as KCl, KBr, etc.
When the collet 2 is made of a corrosive material such as AgCl or AgBr, the above conditions required for the collet 2 become even more severe. However, alumina, which is cited as a material that satisfies both heat resistance and corrosion resistance, has almost no elasticity and therefore cannot be used as a material for the collect. It is also conceivable to apply anti-corrosion treatment to the inner surface of the collet made of a heat-resistant elastic material, but with this method it is difficult to apply a corrosion-proof layer that can withstand practical use on a fiber collet with a hole diameter of about 1 to 2 mm. This is because the hole diameter is small, so when plating is performed, for example, the plating layer does not adhere uniformly to the inner surface.
この考案は、この点に鑑みてなされたもので、
その目的は、首記の要求を満足させた光フアイバ
用ホルダを提供することにある。 This idea was made with this in mind,
The object is to provide an optical fiber holder that satisfies the above requirements.
以下、この考案の構成を添付第２図乃至第５図
に示す実施例に基いて説明する。 Hereinafter, the structure of this invention will be explained based on the embodiments shown in the attached FIGS. 2 to 5.
第２図及び第３図に示すように、この考案のホ
ルダは、筒状本体１と、その先端穴１ａ内に保持
される割溝付コレツト２と、本体１の先端外周に
螺合し、内面をコレツトのテーパ部２ａに係合し
た締付ナツト３及び、コレツト２の内面と光フア
イバＡの外周面との間に介在されるスリーブ１０
から成り、上記スリーブ１０は、周方向に複数に
分割され、コレツトの収縮部即ち割り溝２ｂの存
在する部分の内面に設けた大径穴２ｃ内に嵌め込
まれている。 As shown in FIGS. 2 and 3, the holder of this invention includes a cylindrical main body 1, a grooved collet 2 held in the distal end hole 1a, and a collet 2 screwed onto the outer periphery of the distal end of the main body 1. A tightening nut 3 whose inner surface is engaged with the tapered portion 2a of the collet, and a sleeve 10 interposed between the inner surface of the collet 2 and the outer peripheral surface of the optical fiber A.
The sleeve 10 is divided into a plurality of parts in the circumferential direction, and is fitted into a large diameter hole 2c provided on the inner surface of the contracted part of the collet, that is, the part where the split groove 2b is present.
また、スリーブ１０は、耐熱材で形成すると共
に、少なくとも光フアイバとの接触面はコレツト
２よりも耐蝕性に優れる材料で形成してある。例
えば、アルミナの如き耐熱性、耐触性を有する材
料で形成するか又はステンレス鋼、黄銅、アルミ
ニウム、或いは耐蝕アルミニウム合金等のある程
度腐蝕性のある金属材料で形成してそのフアイバ
接触面に防蝕層１０ａを設けてあり、これにコレ
ツト２の収縮力を作用させ、ホルダ内に通された
光フアイバＡを保持するようにしている。 Further, the sleeve 10 is made of a heat-resistant material, and at least the contact surface with the optical fiber is made of a material that has better corrosion resistance than the collet 2. For example, the fiber may be made of a heat-resistant, corrosion-resistant material such as alumina, or a partially corrosive metal material such as stainless steel, brass, aluminum, or a corrosion-resistant aluminum alloy, and a corrosion-resistant layer is applied to the contact surface of the fiber. A collet 10a is provided on which the contractile force of the collet 2 is applied to hold the optical fiber A passed through the holder.
なお、上記防蝕層１０ａは前述の材料から成る
スリーブに、金メツキ、金蒸着、又は金スパツタ
加工を施して形成してもよく、一方、スリーブの
素材がアルミニウム又は耐蝕アルミニウム合金の
ときは、表面にアルマイト処理を施工して設けて
もよい。 The above-mentioned corrosion-resistant layer 10a may be formed by gold plating, gold vapor deposition, or gold sputtering on a sleeve made of the above-mentioned material.On the other hand, when the material of the sleeve is aluminum or a corrosion-resistant aluminum alloy, the surface It may also be provided by applying alumite treatment to the surface.
また、スリーブ１０は、ホルダ内部に通すフア
イバ冷却ガスの通路となる溝を設けるのが望まし
く、その溝１０ｂは、第４図に示すようにスリー
ブの外周又は、第５図に示すように分割部の対向
する端面のいずれに設けてもよい。 The sleeve 10 is preferably provided with a groove that serves as a passage for the fiber cooling gas to pass inside the holder, and the groove 10b is formed on the outer periphery of the sleeve as shown in FIG. It may be provided on any of the opposing end surfaces.
この考案は、以上説明したように、コレツトの
内面と光フアイバの外周面との間に、周方向に複
数に分割成形した耐熱性のある、しかも少なくと
も光フアイバとの接触面はコレツトよりも耐蝕性
に優れているスリーブを設けたので、コレツトに
必要な弾性と、光フアイバ把持面に必要な優れた
耐蝕性、耐熱性を共に充分に確保してホルダの耐
久性、信頼性を大巾に向上させることができる。 As explained above, this idea consists of a heat-resistant material that is divided into a plurality of parts molded in the circumferential direction between the inner surface of the collet and the outer peripheral surface of the optical fiber, and at least the contact surface with the optical fiber is more corrosion-resistant than the collet. The sleeve has excellent durability, ensuring both the elasticity required for the collet and the excellent corrosion resistance and heat resistance required for the optical fiber gripping surface, greatly increasing the durability and reliability of the holder. can be improved.
また、スリーブは、その材料として耐熱性、耐
蝕性に極めて優れるアルミナ等を使用でき、さら
に、フアイバの接触面に防蝕層を設けるときは、
スリーブが分割されているため、防蝕効果の高い
層を容易にしかも均一な厚さに形成することがで
きる。 In addition, the sleeve can be made of alumina, which has excellent heat resistance and corrosion resistance, and when a corrosion-resistant layer is provided on the contact surface of the fiber,
Since the sleeve is divided, a highly corrosion-resistant layer can be easily formed with a uniform thickness.
このほか、スリーブにガス通路となる溝を付す
ことができるため、冷媒ガスによる光フアイバ保
持部の冷却性能を向上させることも可能になる。 In addition, since the sleeve can be provided with grooves that serve as gas passages, it is also possible to improve the cooling performance of the optical fiber holding portion by the refrigerant gas.
第１図は従来のホルダを示す半断面図、第２図
はこの考案のホルダの一例を示す半断面図、第３
図は同上の正面図、第４図及び第５図はスリーブ
の他の実施例を示す正面図である。
１……本体、２……コレツト、３……締付ナツ
ト、１０……スリーブ、１０ａ……防蝕層、１０
ｂ……溝。
Fig. 1 is a half-sectional view showing a conventional holder, Fig. 2 is a half-sectional view showing an example of the holder of this invention, and Fig. 3 is a half-sectional view showing an example of the holder of this invention.
This figure is a front view of the same as the above, and FIGS. 4 and 5 are front views showing other embodiments of the sleeve. DESCRIPTION OF SYMBOLS 1...Main body, 2...Collection, 3...Tightening nut, 10...Sleeve, 10a...Corrosion-resistant layer, 10
b...Groove.
Claims (1)
付コレツトと、本体の先端外周に螺合し、内面
をコレツトのテーパ部に係合した締付ナツトと
を具備するレーザ光伝送用フアイバのホルダに
於いて、上記コレツトの内面と光フアイバ外周
との間に、周方向に複数に分割成形した耐熱性
のスリーブを設け、かつ、このスリーブは、少
なくとも光フアイバとの接触面を上記コレツト
よりも耐蝕性に優れる材料で形成したことを特
徴とする光フアイバ用ホルダ。 (2) 上記スリーブの外周又は、分割部の端面にガ
スの通路となる溝を設けたことを特徴とする実
用新案登録請求の範囲第(1)項記載の光フアイバ
用ホルダ。 (3) 上記スリーブがアルミナから成ることを特徴
とする実用新案登録請求の範囲第(1)項及び第(2)
項記載の光フアイバ用ホルダ。 (4) 上記スリーブは、素材にステンレス鋼、黄
銅、アルミニウム、又は耐蝕アルミニウム合金
のいずれかを使用し、かつそのフアイバ接触面
に金メツキ、金蒸着又は、金スパツタによる防
蝕層を設けて成る実用新案登録請求の範囲第(1)
項及び第(2)項記載の光フアイバ用ホルダ。 (5) 上記スリーブは、素材にアルミニウム又は耐
蝕性アルミニウム合金を使用し、かつそのフア
イバ接触面にアルマイト加工による防蝕層を設
けて成る実用新案登録請求の範囲第(1)項及び第
(2)項記載の光フアイバ用ホルダ。[Claims for Utility Model Registration] (1) A cylindrical body, a collet with a split groove held in the hole at its tip, and a tightening device that is screwed onto the outer periphery of the tip of the body and whose inner surface engages with the tapered part of the collet. In the holder for a laser beam transmission fiber having a nut, a heat-resistant sleeve formed into a plurality of pieces in the circumferential direction is provided between the inner surface of the collet and the outer periphery of the optical fiber, and this sleeve has the following features: 1. A holder for an optical fiber, characterized in that at least the contact surface with the optical fiber is made of a material with better corrosion resistance than the collet. (2) The optical fiber holder as set forth in claim (1) of the utility model registration, characterized in that a groove serving as a gas passage is provided on the outer periphery of the sleeve or on the end face of the divided portion. (3) Utility model registration claims paragraphs (1) and (2) characterized in that the sleeve is made of alumina.
Optical fiber holder described in section. (4) The above-mentioned sleeve is made of stainless steel, brass, aluminum, or corrosion-resistant aluminum alloy, and has a corrosion-resistant layer of gold plating, gold vapor deposition, or gold spatter on the fiber contact surface. Scope of patent registration request No. (1)
The optical fiber holder described in Items 1 and 2). (5) The above-mentioned sleeve is made of aluminum or a corrosion-resistant aluminum alloy, and has a corrosion-resistant layer formed by alumite processing on its fiber contact surface.
Optical fiber holder described in (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7935482U JPS58180516U (en) | 1982-05-27 | 1982-05-27 | Optical fiber holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7935482U JPS58180516U (en) | 1982-05-27 | 1982-05-27 | Optical fiber holder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58180516U JPS58180516U (en) | 1983-12-02 |
| JPS6323683Y2 true JPS6323683Y2 (en) | 1988-06-29 |
Family
ID=30088538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7935482U Granted JPS58180516U (en) | 1982-05-27 | 1982-05-27 | Optical fiber holder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58180516U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0685012B2 (en) * | 1985-10-14 | 1994-10-26 | 住友電気工業株式会社 | Method of fixing tensile strength fiber to optical connector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5518684A (en) * | 1978-07-28 | 1980-02-08 | Sumitomo Electric Ind Ltd | Laser processing device |
| JPS5753708A (en) * | 1980-09-17 | 1982-03-30 | Kokusai Denshin Denwa Co Ltd <Kdd> | Optical fiber cable |
| JPS5778504A (en) * | 1980-11-04 | 1982-05-17 | Sumitomo Electric Ind Ltd | Lightweight optical waveguide for laser working |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5822162Y2 (en) * | 1979-02-26 | 1983-05-12 | 日本電信電話株式会社 | Optical cable tension terminal |
-
1982
- 1982-05-27 JP JP7935482U patent/JPS58180516U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5518684A (en) * | 1978-07-28 | 1980-02-08 | Sumitomo Electric Ind Ltd | Laser processing device |
| JPS5753708A (en) * | 1980-09-17 | 1982-03-30 | Kokusai Denshin Denwa Co Ltd <Kdd> | Optical fiber cable |
| JPS5778504A (en) * | 1980-11-04 | 1982-05-17 | Sumitomo Electric Ind Ltd | Lightweight optical waveguide for laser working |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58180516U (en) | 1983-12-02 |
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