JPS6417504U - - Google Patents
Info
- Publication number
- JPS6417504U JPS6417504U JP9161488U JP9161488U JPS6417504U JP S6417504 U JPS6417504 U JP S6417504U JP 9161488 U JP9161488 U JP 9161488U JP 9161488 U JP9161488 U JP 9161488U JP S6417504 U JPS6417504 U JP S6417504U
- Authority
- JP
- Japan
- Prior art keywords
- core
- glass
- coupling region
- branching element
- clad
- 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
- 239000013307 optical fiber Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 claims 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 1
- 239000005355 lead glass Substances 0.000 claims 1
- 239000005297 pyrex Substances 0.000 claims 1
- 239000010453 quartz Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Description
第１図は本考案の光分岐素子の製造の工程を示
し、光フアイバ対を撚り合わせてガラスチユーブ
に挿入した状態の略正面図。第２図はガラスチユ
ーブを溶融固化した状態の略正面図。第３図は加
熱、溶融延伸させて作製した光分岐素子の拡大断
面図。第４図はハーフミラーを用いる従来の光分
岐素子の平面図。第５図は誘電体導波路による光
分岐素子の平面図。第６図はシングルモード光フ
アイバカツプラの原理を説明する略図。第７図は
撚り合わせたフアイバ対をバーナで加熱する状態
を示す説明図。第８図は撚り合わせたフアイバ対
を加熱コイルに入れて加熱する状態を示す説明図
。
１，２……シングルモード光フアイバ、３……
ガラスチユーブ、５，６……光フアイバのコア、
Ｆ１，Ｆ２……光フアイバ。
FIG. 1 shows the manufacturing process of the optical branching element of the present invention, and is a schematic front view of a state in which a pair of optical fibers are twisted together and inserted into a glass tube. FIG. 2 is a schematic front view of the glass tube in a melted and solidified state. FIG. 3 is an enlarged cross-sectional view of a light branching element produced by heating, melting and drawing. FIG. 4 is a plan view of a conventional optical branching element using a half mirror. FIG. 5 is a plan view of an optical branching element using a dielectric waveguide. FIG. 6 is a schematic diagram explaining the principle of a single mode optical fiber coupler. FIG. 7 is an explanatory diagram showing a state in which twisted fiber pairs are heated with a burner. FIG. 8 is an explanatory diagram showing a state in which twisted fiber pairs are placed in a heating coil and heated. 1, 2...Single mode optical fiber, 3...
Glass tube, 5, 6... optical fiber core,
F1, F2...Optical fiber.
Claims (1)
英シングルモード光フアイバが結合領域Ｇに於い
て結合し、残りの部分は結合領域Ｇの両側に延び
ており、結合領域Ｇではシングルモード光フアイ
バはコア、クラツド構造を保持しつつ延伸され細
径化してお互いに近接して配置され、周囲をソー
ダガラス、鉛ガラス又はパイレツクスガラスで覆
われている事を特徴とする光分岐素子。 Two or more core-clad quartz single-mode optical fibers are coupled in a coupling region G, with the remainder extending on either side of the coupling region G, where the single-mode fibers are connected to the core. A light branching element characterized in that the elements are stretched to have a narrow diameter while maintaining a clad structure, are arranged close to each other, and are surrounded by soda glass, lead glass, or pyrex glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9161488U JPS6417504U (en) | 1988-07-11 | 1988-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9161488U JPS6417504U (en) | 1988-07-11 | 1988-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6417504U true JPS6417504U (en) | 1989-01-27 |
Family
ID=31316086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9161488U Pending JPS6417504U (en) | 1988-07-11 | 1988-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6417504U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3579316A (en) * | 1967-11-08 | 1971-05-18 | Post Office | Process for optical waveguide coupler |
| JPS557740A (en) * | 1978-06-30 | 1980-01-19 | Mitsubishi Electric Corp | Photo multiple distributor |
-
1988
- 1988-07-11 JP JP9161488U patent/JPS6417504U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3579316A (en) * | 1967-11-08 | 1971-05-18 | Post Office | Process for optical waveguide coupler |
| JPS557740A (en) * | 1978-06-30 | 1980-01-19 | Mitsubishi Electric Corp | Photo multiple distributor |
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