JPH03112706U - - Google Patents
Info
- Publication number
- JPH03112706U JPH03112706U JP2189290U JP2189290U JPH03112706U JP H03112706 U JPH03112706 U JP H03112706U JP 2189290 U JP2189290 U JP 2189290U JP 2189290 U JP2189290 U JP 2189290U JP H03112706 U JPH03112706 U JP H03112706U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- semiconductor light
- light emitting
- demultiplexing module
- 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
- 239000004065 semiconductor Substances 0.000 claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000010409 thin film Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Description
第１図はこの考案の一実施例による光合分波モ
ジユールの光学系を示す図、第２図は従来の光合
分波モジユールの光学系を示す図である。
１は半導体発光素子、２ａ，２ｂ，２ｃ，２ｄ
，２ｅは光線軌跡、３ａ，３ｂ，３ｃはレンズ、
４はプリズム、５は多層膜フイルタ、６は光フア
イバ、７は半導体受光素子、８はモニタ用半導体
受光素子、９は半透明ミラーである。なお、図中
、同一符号は同一、又は相当部分を示す。
FIG. 1 is a diagram showing an optical system of an optical multiplexing/demultiplexing module according to an embodiment of this invention, and FIG. 2 is a diagram showing an optical system of a conventional optical multiplexing/demultiplexing module. 1 is a semiconductor light emitting device, 2a, 2b, 2c, 2d
, 2e are ray trajectories, 3a, 3b, 3c are lenses,
4 is a prism, 5 is a multilayer film filter, 6 is an optical fiber, 7 is a semiconductor light receiving element, 8 is a semiconductor light receiving element for monitoring, and 9 is a semitransparent mirror. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
ユールにおいて、半導体発光素子と、半導体受光
素子と、光フアイバと、金属薄膜を付着させた半
透明ミラーとを備え、前記半導体発光素子の光が
前記半透明ミラーを透過したのち光フアイバと光
学的に結合され、かつ、前記光フアイバから出射
する光が前記半透明ミラーで反射したのち半導体
受光素子に導かれるように、半透明ミラーの角度
を設定したことを特徴とする光合分波モジユール
。 (2) 光フアイバとして、波長１．３μｍ用の単
一モード光フアイバ、発光素子として波長０．７
８μｍのセルフパルセーシヨンＬＤを使用したこ
とを特徴とする実用新案登録請求の範囲第(1)項
記載の光合分波モジユール。[Claims for Utility Model Registration] (1) An optical multiplexing/demultiplexing module for wavelength division multiplexing bidirectional transmission, which comprises a semiconductor light emitting element, a semiconductor light receiving element, an optical fiber, and a semitransparent mirror to which a metal thin film is attached. The light from the semiconductor light emitting device is optically coupled to an optical fiber after passing through the semitransparent mirror, and the light emitted from the optical fiber is guided to the semiconductor light receiving device after being reflected by the semitransparent mirror. An optical multiplexing/demultiplexing module characterized by setting the angle of a semi-transparent mirror as shown in FIG. (2) A single mode optical fiber with a wavelength of 1.3 μm is used as an optical fiber, and a wavelength of 0.7 is used as a light emitting element.
An optical multiplexing/demultiplexing module according to claim (1) of the utility model registration, characterized in that an 8 μm self-pulsation LD is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2189290U JPH03112706U (en) | 1990-03-05 | 1990-03-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2189290U JPH03112706U (en) | 1990-03-05 | 1990-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03112706U true JPH03112706U (en) | 1991-11-18 |
Family
ID=31524922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2189290U Pending JPH03112706U (en) | 1990-03-05 | 1990-03-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03112706U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62106414A (en) * | 1985-11-01 | 1987-05-16 | Ogura Houseki Seiki Kogyo Kk | Total reflection type optical coupling/branching device and method for bi-direction simultaneous transmission and reception of single core optical fiber using its device |
| JPS62237408A (en) * | 1986-03-27 | 1987-10-17 | シ−メンス、アクチエンゲゼルシヤフト | Transmitting/receiving module for two-way communication network and its manufacturing method |
-
1990
- 1990-03-05 JP JP2189290U patent/JPH03112706U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62106414A (en) * | 1985-11-01 | 1987-05-16 | Ogura Houseki Seiki Kogyo Kk | Total reflection type optical coupling/branching device and method for bi-direction simultaneous transmission and reception of single core optical fiber using its device |
| JPS62237408A (en) * | 1986-03-27 | 1987-10-17 | シ−メンス、アクチエンゲゼルシヤフト | Transmitting/receiving module for two-way communication network and its manufacturing method |
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