JPH0160209U - - Google Patents
Info
- Publication number
- JPH0160209U JPH0160209U JP15631287U JP15631287U JPH0160209U JP H0160209 U JPH0160209 U JP H0160209U JP 15631287 U JP15631287 U JP 15631287U JP 15631287 U JP15631287 U JP 15631287U JP H0160209 U JPH0160209 U JP H0160209U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- optical
- optical fiber
- light
- optical element
- 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 13
- 239000013307 optical fiber Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Description
第1図はこの考案の一実施例を示す光結合器で
あるLDモジユールを示す断面図、第2図は第1
図に示すLDモジユールの光軸合せの一実施例を
示す図、第3図はこの考案の他の実施例を示す光
結合器であるPDモジユールを示す断面図、第4
図は第3図に示すPDモジユールの光軸合せの一
実施例を示す図、第5図は従来の光結合器である
LDモジユールを示す断面図である。
図において、1はLD、2はステム、3は第1
のレンズ、4は第2のレンズ、5は光フアイバ、
6はフエルール、7は凹レンズ、8は凸レンズ、
9はスリーブ、10はPDである。なお、図中同
一あるいは相当部分には同一符号を付して示して
ある。
Fig. 1 is a cross-sectional view showing an LD module which is an optical coupler showing one embodiment of this invention, and Fig.
FIG. 3 is a sectional view showing a PD module which is an optical coupler showing another embodiment of this invention; FIG.
This figure shows an example of optical axis alignment of the PD module shown in FIG. 3, and FIG. 5 is a sectional view showing an LD module which is a conventional optical coupler. In the figure, 1 is the LD, 2 is the stem, and 3 is the first
4 is a second lens, 5 is an optical fiber,
6 is a ferrule, 7 is a concave lens, 8 is a convex lens,
9 is a sleeve, and 10 is a PD. It should be noted that the same or corresponding parts in the figures are indicated by the same reference numerals.
Claims (1)
フエルールの中心に装着された光フアイバと、上
記光素子と光フアイバとの間に位置し、上記光素
子又は光フアイバからの光を平行にするための第
1のレンズと、上記第1のレンズと対向して設け
られ、上記第1のレンズで平行になつた光を集光
し、上記光フアイバ又は光素子に結合させるため
の第2のレンズと、上記第1のレンズと上記第2
のレンズの間に設けられ、かつ片面が平面で他面
が凹面である凹レンズと、片面が平面で他面が上
記凹レンズの凹面の曲率とほぼ等しい曲率の凸面
である凸レンズの凹面部と凸面部が互いに密着さ
れている組合せレンズと、上記ステム、上記第1
のレンズ、上記第2のレンズ、上記フエルールの
外径と同一内径を有し、上記ステム、上記第1の
レンズ、上記第2のレンズ、上記フエルール,上
記組合せレンズを保持,固定するためのスリーブ
とを備えたことを特徴とする光結合器。 (2) 上記光素子を発光素子としたとき上記光フ
アイバを受光用として用いることを特徴とする実
用新案登録請求の範囲第1項記載の光結合器。 (3) 上記光素子を受光素子したとき上記光フア
イバを発光用として用いることを特徴とする実用
新案登録請求の範囲第1項記載の光結合器。[Claims for Utility Model Registration] (1) An optical element attached to the center of the stem;
an optical fiber attached to the center of the ferrule; a first lens located between the optical element and the optical fiber for collimating light from the optical element or the optical fiber; and the first lens. a second lens provided opposite to the first lens for condensing the light parallelized by the first lens and coupling it to the optical fiber or optical element, the first lens and the second lens;
a concave lens which is provided between the lenses and has one side flat and the other concave, and a convex lens where one side is flat and the other side is a convex surface with a curvature approximately equal to the curvature of the concave surface of the concave lens. are in close contact with each other; the stem; and the first lens;
a sleeve having the same inner diameter as the outer diameter of the lens, the second lens, and the ferrule, and for holding and fixing the stem, the first lens, the second lens, the ferrule, and the combined lens; An optical coupler characterized by comprising: (2) The optical coupler according to claim 1, which is a registered utility model, characterized in that when the optical element is used as a light emitting element, the optical fiber is used for receiving light. (3) The optical coupler according to claim 1, wherein the optical fiber is used for light emission when the optical element is used as a light receiving element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15631287U JPH0160209U (en) | 1987-10-13 | 1987-10-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15631287U JPH0160209U (en) | 1987-10-13 | 1987-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0160209U true JPH0160209U (en) | 1989-04-17 |
Family
ID=31434741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15631287U Pending JPH0160209U (en) | 1987-10-13 | 1987-10-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0160209U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02171709A (en) * | 1988-12-24 | 1990-07-03 | Sumitomo Electric Ind Ltd | Supporting parts for optical semiconductor element and optical semiconductor device |
JPH04129111U (en) * | 1991-05-15 | 1992-11-25 | 安藤電気株式会社 | Light source and optical fiber coupler |
-
1987
- 1987-10-13 JP JP15631287U patent/JPH0160209U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02171709A (en) * | 1988-12-24 | 1990-07-03 | Sumitomo Electric Ind Ltd | Supporting parts for optical semiconductor element and optical semiconductor device |
JPH04129111U (en) * | 1991-05-15 | 1992-11-25 | 安藤電気株式会社 | Light source and optical fiber coupler |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0160209U (en) | ||
JPS6356617A (en) | Optical fiber connector | |
JPH0221612U (en) | ||
JPH0418807U (en) | ||
JPS63199209U (en) | ||
JPH0233115A (en) | Light emission module | |
JPS6430514U (en) | ||
JPH0326103U (en) | ||
JPS60161308U (en) | fiber optic connector | |
JPS6283710A (en) | Optical connector | |
JPH0420006U (en) | ||
JPS624011U (en) | ||
JPH01176803U (en) | ||
JPS62184505U (en) | ||
JPS6326810U (en) | ||
JPS60107907U (en) | fiber optic connector | |
JPS61190509U (en) | ||
JPH0459811U (en) | ||
JPS6429609U (en) | ||
JPH0420007U (en) | ||
JPH0320310U (en) | ||
JPH07234342A (en) | Optical module | |
JPH01173706U (en) | ||
JPH0283509U (en) | ||
JPH03108204U (en) |