JPH0477106U - - Google Patents
Info
- Publication number
- JPH0477106U JPH0477106U JP12031290U JP12031290U JPH0477106U JP H0477106 U JPH0477106 U JP H0477106U JP 12031290 U JP12031290 U JP 12031290U JP 12031290 U JP12031290 U JP 12031290U JP H0477106 U JPH0477106 U JP H0477106U
- Authority
- JP
- Japan
- Prior art keywords
- heating
- fiber
- gas burner
- optical fiber
- mode field
- 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
- 239000000835 fiber Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000013307 optical fiber Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Description
第１図は本考案の一実施例の基本構成を示す図
、第２図はガスバーナの移動パターンを示し、ａ
はガスバーナが停止して加熱しているパターンを
示す図、ｂはフアイバの長手方向に往復移動しな
がら加熱しているパターンを示す図、ｃはフアイ
バの軸方向に往復移動しながら半径方向へも移動
しているパターンを示す図、第３図ａはガスバー
ナをフアイバの軸方向へ移動中に、フアイバの軸
方向に往復移動させた場合のガスバーナの移動の
軌跡を示す図、第３図ｂはガスバーナをフアイバ
の軸方向への移動とフアイバの半径方向への移動
を交互にした場合のガスバーナの移動の軌跡を示
す図、第４図は第２図ａのパターンを実行した後
、第２図ｂのパターンを実行する実施例のガスバ
ーナの移動パターンの組合せを説明する図、第５
図はフアイバを固定するための台の形状を示し、
ａはＶ溝のみをフアイバ固定台に設置した図、ｂ
はＶ溝にコネクタ等に挿入したフアイバをフアイ
バ固定台に設置できるようにした図である。
１……制御部、２……ガスバーナ駆動部、３…
…ガスコントローラ、４……マスフロメータ、５
……プロパン等のガスボンベ、６……酸素ボンベ
、７……レギユレータ、８……重り、９……フア
イバ固定台（可動）、１０……フアイバ固定台（
固定）、１１……ガスバーナ、１２……炎、１３
……フアイバ、１３ａ……テープ光フアイバ、１
４……フアイバ固定台、１５……フアイバおさえ
、１６……Ｖ溝、１７……コネクタ等を固定する
溝。
FIG. 1 is a diagram showing the basic configuration of an embodiment of the present invention, and FIG. 2 is a diagram showing the movement pattern of the gas burner.
Figure 1 shows a pattern in which the gas burner is stopped and heating, b shows a pattern in which the fiber is heated while reciprocating in the longitudinal direction, and c shows a pattern in which it is heated while reciprocating in the axial direction of the fiber. Figure 3a is a diagram showing the moving pattern; Figure 3a is a diagram showing the trajectory of the gas burner when it is moved back and forth in the axial direction of the fiber while the gas burner is moving in the axial direction of the fiber; Figure 3b is a diagram showing the trajectory of the gas burner movement. Figure 4 shows the locus of movement of the gas burner when the gas burner is alternately moved in the axial direction of the fiber and in the radial direction of the fiber. FIG.
The figure shows the shape of the table for fixing the fiber,
a shows only the V-groove installed on the fiber fixing base, b
1 is a diagram in which a fiber inserted into a connector or the like in a V-groove can be installed on a fiber fixing base. 1...Control unit, 2...Gas burner drive unit, 3...
...Gas controller, 4...Mass flow meter, 5
... Gas cylinder such as propane, 6 ... Oxygen cylinder, 7 ... Regulator, 8 ... Weight, 9 ... Fiber fixing table (movable), 10 ... Fiber fixing table (
Fixed), 11...Gas burner, 12...Flame, 13
...Fiber, 13a...Tape optical fiber, 1
4... Fiber fixing base, 15... Fiber presser, 16... V groove, 17... Groove for fixing connectors, etc.
Claims (1)
で加熱して、モードフイールド径を拡大する装置
において、該ガスバーナを所定の位置に停止させ
てフアイバを加熱する手段と、該ガスバーナを光
フアイバの長手方向に往復運動させてフアイバを
加熱する手段と、該ガスバーナを光フアイバの半
径方向に往復運動させてフアイバを加熱する手段
とを有し、かつそれぞれの運動パターンにおける
加熱位置、加熱温度、加熱時間、加熱回数を、所
要の値に組み合わせ設定する制御手段を有するこ
とを特徴とするモードフイールド径加熱拡大装置
。 ２ 請求項１記載のモードフイールド径加熱拡大
装置において、光フアイバを加熱する際に光フア
イバを固定する２個の治具の両方または片方が、
Ｖ溝となつていることを特徴とするモードフイー
ルド径加熱拡大装置。[Claims for Utility Model Registration] 1. A device for expanding a mode field diameter by heating a single-core or multi-core optical fiber with a gas burner, including means for heating the fiber by stopping the gas burner at a predetermined position. , means for heating the fiber by reciprocating the gas burner in the longitudinal direction of the optical fiber, and means for heating the fiber by reciprocating the gas burner in the radial direction of the optical fiber; A mode field diameter heating expansion device characterized by having a control means for setting a combination of heating position, heating temperature, heating time, and number of heating times to required values. 2. In the mode field diameter heating expansion device according to claim 1, both or one of the two jigs for fixing the optical fiber when heating the optical fiber is
A mode field diameter heating expansion device characterized by a V-groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12031290U JPH0477106U (en) | 1990-11-19 | 1990-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12031290U JPH0477106U (en) | 1990-11-19 | 1990-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0477106U true JPH0477106U (en) | 1992-07-06 |
Family
ID=31868223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12031290U Pending JPH0477106U (en) | 1990-11-19 | 1990-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0477106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012073408A (en) * | 2010-09-29 | 2012-04-12 | Hitachi Cable Ltd | Optical fiber end part processing method and optical fiber end part processing device |
-
1990
- 1990-11-19 JP JP12031290U patent/JPH0477106U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012073408A (en) * | 2010-09-29 | 2012-04-12 | Hitachi Cable Ltd | Optical fiber end part processing method and optical fiber end part processing device |
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