JPH0258704U - - Google Patents
Info
- Publication number
- JPH0258704U JPH0258704U JP13764588U JP13764588U JPH0258704U JP H0258704 U JPH0258704 U JP H0258704U JP 13764588 U JP13764588 U JP 13764588U JP 13764588 U JP13764588 U JP 13764588U JP H0258704 U JPH0258704 U JP H0258704U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- stress
- refractive index
- polarization
- maintaining 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.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 claims description 11
- 238000005253 cladding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Description
第１〜２ｂ図は本考案の実施例にかかるもので
、第１図は断面構造と屈折率分布（２つの応力付
与部を結ぶ方向のもの）の説明図、第２ａ図と第
２ｂ図は直視法による光フアイバ像および輝度プ
ロフイルの説明図、第３図は通常の偏波保持光フ
アイバの断面構造と屈折率分布（２つの応力付与
部を結ぶ方向のもの）の説明図、第４図は屈折率
補償型偏波保持光フアイバの断面構造と屈折率分
布（２つの応力付与部を結ぶ方向のもの）の説明
図、第５ａ図と第５ｂ図と第５ｃ図は接続時やカ
プラ作成時における複屈折軸の関係の説明図、第
６図は直視する方向の説明図、第７ａ図と第７ｂ
図は、第６図のａ方向からの直視法による光フア
イバ像および輝度プロフイルの説明図、第８ａ図
と第８ｂ図は、第６図のｂ方向からの直視法によ
る光フアイバ像および輝度プロフイルの説明図、
第９ａ図と第９ｂ図は、第６図のｃ方向からの直
視法による光フアイバ像および輝度プロフイルの
説明図、第１０ａ図と第１０ｂ図は、従来の屈折
率補償型偏波保持光フアイバの直視法による、光
フアイバ像および輝度プロフイルの説明図。
２０：偏波保持光フアイバ、２２：コア、２４
：クラツド、２６：応力付与部、２８：低屈折率
部。
Figures 1 to 2b are related to the embodiment of the present invention. Figure 1 is an explanatory diagram of the cross-sectional structure and refractive index distribution (in the direction connecting two stress applying parts), and Figures 2a and 2b are An explanatory diagram of the optical fiber image and brightness profile obtained by the direct viewing method. Figure 3 is an explanatory diagram of the cross-sectional structure and refractive index distribution (in the direction connecting two stress-applying parts) of a normal polarization-maintaining optical fiber. Figure 4 Figures 5a, 5b, and 5c are illustrations of the cross-sectional structure and refractive index distribution (direction connecting two stress-applying parts) of the refractive index-compensated polarization-maintaining optical fiber, and Figures 5a, 5b, and 5c are illustrations of the cross-sectional structure and refractive index distribution of the refractive index-compensated polarization-maintaining optical fiber. Figure 6 is an explanatory diagram of the relationship between the birefringence axes when viewed directly, Figures 7a and 7b
The figure is an explanatory diagram of the optical fiber image and brightness profile taken directly from direction a in Figure 6, and Figures 8a and 8b are the optical fiber image and brightness profile taken directly from direction b in Figure 6. An explanatory diagram of
9a and 9b are explanatory diagrams of the optical fiber image and brightness profile taken directly from direction c in FIG. FIG. 2 is an explanatory diagram of an optical fiber image and a brightness profile obtained by direct viewing. 20: polarization maintaining optical fiber, 22: core, 24
: Clad, 26: Stress applying part, 28: Low refractive index part.
Claims (1)
、コアの両側に有する、屈折率補償型の偏波保持
光フアイバにおいて、 前記応力付与部内に低屈折率部を有する、偏波
保持光フアイバ。[Scope of Claim for Utility Model Registration] An index-compensating polarization-maintaining optical fiber having stress-applying parts with a small relative refractive index difference with the cladding on both sides of the core, wherein the stress-applying part has a low refractive index part inside the stress-applying part. polarization-maintaining optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988137645U JP2519959Y2 (en) | 1988-10-21 | 1988-10-21 | Polarization-maintaining optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988137645U JP2519959Y2 (en) | 1988-10-21 | 1988-10-21 | Polarization-maintaining optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0258704U true JPH0258704U (en) | 1990-04-26 |
| JP2519959Y2 JP2519959Y2 (en) | 1996-12-11 |
Family
ID=31399256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988137645U Expired - Lifetime JP2519959Y2 (en) | 1988-10-21 | 1988-10-21 | Polarization-maintaining optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2519959Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57170835A (en) * | 1981-04-15 | 1982-10-21 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of single-mode optical fiber |
| JPS62267707A (en) * | 1986-05-15 | 1987-11-20 | Nec Corp | Polarization plane maintaining fiber |
-
1988
- 1988-10-21 JP JP1988137645U patent/JP2519959Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57170835A (en) * | 1981-04-15 | 1982-10-21 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of single-mode optical fiber |
| JPS62267707A (en) * | 1986-05-15 | 1987-11-20 | Nec Corp | Polarization plane maintaining fiber |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2519959Y2 (en) | 1996-12-11 |
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