JPS6345511U - - Google Patents
Info
- Publication number
- JPS6345511U JPS6345511U JP13781986U JP13781986U JPS6345511U JP S6345511 U JPS6345511 U JP S6345511U JP 13781986 U JP13781986 U JP 13781986U JP 13781986 U JP13781986 U JP 13781986U JP S6345511 U JPS6345511 U JP S6345511U
- Authority
- JP
- Japan
- Prior art keywords
- layer
- refractive index
- section
- optical fiber
- single mode
- 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 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005253 cladding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
Landscapes
- Optical Integrated Circuits (AREA)
Description
第１図は本考案に係る光フアイバの一実施例の
屈折率分布を示す図、第２図は同光フアイバの横
断面図、第３図、第４図、第５図は本考案の光フ
アイバの他の実施例の屈折率分布をそれぞれ示す
図、第６図、第７図は従来の単一モード導波路と
多モード導波路を併有する複合型の光フアイバの
屈折率分布をそれぞれ示す図である。
図中、１は単一モードコア、２は多モードコア
、３はクラツド、４はサポート、５は第一層、６
は第二層、７は第三層、８は第四層である。
FIG. 1 is a diagram showing the refractive index distribution of an embodiment of the optical fiber according to the present invention, FIG. 2 is a cross-sectional view of the optical fiber, and FIGS. 3, 4, and 5 are diagrams showing the optical fiber according to the present invention. Figures 6 and 7 respectively show the refractive index distributions of other embodiments of the fiber, and Figures 6 and 7 respectively show the refractive index distributions of a composite optical fiber having both a conventional single mode waveguide and a multimode waveguide. It is a diagram. In the figure, 1 is a single mode core, 2 is a multimode core, 3 is a cladding, 4 is a support, 5 is a first layer, and 6
is the second layer, 7 is the third layer, and 8 is the fourth layer.
Claims (1)
率ｎ２の第二層と屈折率ｎ３の第三層と屈折率ｎ
４の第四層との四層同心状の断面を有する光フア
イバにおいて、上記各層の屈折率の大小関係をｎ
１＞ｎ２，ｎ３＞ｎ２，ｎ３＞ｎ４とすると共に
、第一層を単一モード導波路とし第三層を多モー
ド導波路としていることを特徴とする光フアイバ
。 A first layer with a circular cross section of the innermost layer with a refractive index n 1 , a second layer with a refractive index n 2 , a third layer with a refractive index n 3 , and a refractive index n
In an optical fiber having a four-layer concentric cross section with the fourth layer of No. 4 , the magnitude relationship of the refractive index of each layer is n
1 > n 2 , n 3 > n 2 , n 3 > n 4 , and the first layer is a single mode waveguide and the third layer is a multimode waveguide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13781986U JPS6345511U (en) | 1986-09-10 | 1986-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13781986U JPS6345511U (en) | 1986-09-10 | 1986-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6345511U true JPS6345511U (en) | 1988-03-28 |
Family
ID=31042228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13781986U Pending JPS6345511U (en) | 1986-09-10 | 1986-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6345511U (en) |
-
1986
- 1986-09-10 JP JP13781986U patent/JPS6345511U/ja active Pending
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