JPH02131708U - - Google Patents
Info
- Publication number
- JPH02131708U JPH02131708U JP3905789U JP3905789U JPH02131708U JP H02131708 U JPH02131708 U JP H02131708U JP 3905789 U JP3905789 U JP 3905789U JP 3905789 U JP3905789 U JP 3905789U JP H02131708 U JPH02131708 U JP H02131708U
- Authority
- JP
- Japan
- Prior art keywords
- optical coupler
- spherical portion
- present
- angles
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Description
第１図は本考案の光カプラの実施例を示す縦断
面図、第２図〜第４図までは本考案の光カプラの
製造工程を示す説明図、第５図は本考案の光カプ
ラの結合部における光伝播状態を説明する縦断面
図、第６図と第７図は本考案の光カプラの変形例
縦断面図、第８図は本考案の光カプラにヒートサ
イクルをかけた場合の結合損失変化を示すグラフ
、第９図は本考案の光カプラの結合損失のヒスト
グラム、第１０図は従来の種々の光カプラの側面
図である。
１……光フアイバ、２……球状部分、３……光
反射性皮膜、４……パツケージ、５……モールド
部、６……保護キヤツプ、７……保護ケース、１
０……光フアイバ。
FIG. 1 is a longitudinal cross-sectional view showing an embodiment of the optical coupler of the present invention, FIGS. 2 to 4 are explanatory views showing the manufacturing process of the optical coupler of the present invention, and FIG. 6 and 7 are longitudinal sectional views illustrating the state of light propagation in the coupling portion, FIGS. 6 and 7 are longitudinal sectional views of modified examples of the optical coupler of the present invention, and FIG. 8 is a longitudinal sectional view of the optical coupler of the present invention subjected to a heat cycle. FIG. 9 is a graph showing coupling loss changes, FIG. 9 is a histogram of coupling loss of the optical coupler of the present invention, and FIG. 10 is a side view of various conventional optical couplers. DESCRIPTION OF SYMBOLS 1... Optical fiber, 2... Spherical part, 3... Light reflective film, 4... Package, 5... Mold part, 6... Protective cap, 7... Protective case, 1
0...Optical fiber.
Claims (1)
角が鋭角を成すように配置し、前記端部を相互に
融着してその端部近傍に略球状部分を形成し、前
記球状部分の外表面に、光反射性皮膜を形成した
ことを特徴とする光カプラ。 A plurality of optical fibers are arranged with their ends aligned with each other so that the sandwiched angles form acute angles, the ends are fused together to form a substantially spherical portion near the end, and the outer side of the spherical portion is An optical coupler characterized by having a light reflective film formed on its surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3905789U JPH02131708U (en) | 1989-03-31 | 1989-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3905789U JPH02131708U (en) | 1989-03-31 | 1989-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02131708U true JPH02131708U (en) | 1990-11-01 |
Family
ID=31547617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3905789U Pending JPH02131708U (en) | 1989-03-31 | 1989-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02131708U (en) |
-
1989
- 1989-03-31 JP JP3905789U patent/JPH02131708U/ja active Pending
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