JPH0467601U - - Google Patents
Info
- Publication number
- JPH0467601U JPH0467601U JP11123690U JP11123690U JPH0467601U JP H0467601 U JPH0467601 U JP H0467601U JP 11123690 U JP11123690 U JP 11123690U JP 11123690 U JP11123690 U JP 11123690U JP H0467601 U JPH0467601 U JP H0467601U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- fixed
- optical attenuator
- attenuator
- fixed 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
- 239000013307 optical fiber Substances 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Optical Couplings Of Light Guides (AREA)
Description
第１図は本考案の第１の実施例の断面構成図、
第２図は第２の実施例の断面構成図、第３図は第
３の実施例の断面構成図、第４図は従来の光固定
減衰器の原理、第５図は第１の他の従来例の原理
図、第６図は第２の他の従来例の原理図、第７図
はＮＤフイルタの波長特性、第８図は波長多重通
信の説明図、第９図は波長依存性をもつフイルタ
の波長特性の例、第１０図は波長依存性をもつ他
のフイルタの波長特性の例である。
１……ハウジング、２……リセプタクル形状、
３……プラグ形状、４……大径部、５……カツプ
リングナツト、６……ねじ山、７……小径部、８
，８′……フエルール、９，９′……光フアイバ
、１０……球レンズ、１１……スペーサ、１２…
…減衰板、１３……フエルール、１４……減衰膜
、１５……光フアイバ、１６……球レンズ、１７
……ＮＤフイルタ、１８……球レンズ、１……光
フアイバ、２０……光軸、２１……平行光線、２
２……スリーブ、２３……フエルール、２４……
光フアイバ、２５……ＮＤフイルタ、２６……フ
エルール、２７……光フアイバ、２８……スリー
ブ、２９……フエルール、３０……光フアイバ、
３１……ＮＤフイルタ膜、３２……フエルール、
３３……光フアイバ。
FIG. 1 is a cross-sectional configuration diagram of the first embodiment of the present invention,
FIG. 2 is a sectional configuration diagram of the second embodiment, FIG. 3 is a sectional configuration diagram of the third embodiment, FIG. 4 is the principle of a conventional optical fixed attenuator, and FIG. Fig. 6 is a principle diagram of the second conventional example, Fig. 7 is a diagram showing the wavelength characteristics of the ND filter, Fig. 8 is an explanatory diagram of wavelength multiplexing communication, and Fig. 9 is a diagram showing the wavelength dependence. FIG. 10 shows an example of the wavelength characteristics of another filter having wavelength dependence. 1...Housing, 2...Receptacle shape,
3...Plug shape, 4...Large diameter part, 5...Coupling nut, 6...Thread thread, 7...Small diameter part, 8
, 8'... ferrule, 9, 9'... optical fiber, 10... ball lens, 11... spacer, 12...
... Attenuation plate, 13 ... Ferrule, 14 ... Attenuation film, 15 ... Optical fiber, 16 ... Ball lens, 17
...ND filter, 18 ... Ball lens, 1 ... Optical fiber, 20 ... Optical axis, 21 ... Parallel ray, 2
2...sleeve, 23...ferrule, 24...
Optical fiber, 25...ND filter, 26...Ferrule, 27...Optical fiber, 28...Sleeve, 29...Ferrule, 30...Optical fiber,
31...ND filter membrane, 32...ferrule,
33...Optical fiber.
Claims (1)
アイバ通信用光固定減衰器において、前記減衰フ
イルタに波長依存性を持たせたことを特徴とする
光固定減衰器。 (2) 上記光固定減衰器の一端面または両端面が
、光フアイバコネクタのプラグと嵌合することの
できるリセプタクル形状であることを特徴とする
請求項１記載の光固定減衰器。 (3) 上記固定減衰器の一端面または両端面が、
光フアイバコネクタのリセプタクルと嵌合するこ
とのできるプラグ形状であることを特徴とする請
求項１記載の光固定減衰器。[Claims for Utility Model Registration] (1) A fixed optical attenuator for optical fiber communication that uses an attenuation filter to attenuate light, characterized in that the attenuation filter has wavelength dependence. . (2) The fixed optical attenuator according to claim 1, wherein one or both end surfaces of the fixed optical attenuator have a receptacle shape that can be fitted with a plug of an optical fiber connector. (3) One or both end surfaces of the above fixed attenuator are
2. The fixed optical attenuator according to claim 1, wherein the fixed optical attenuator has a plug shape that can be fitted into a receptacle of an optical fiber connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11123690U JPH0467601U (en) | 1990-10-24 | 1990-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11123690U JPH0467601U (en) | 1990-10-24 | 1990-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0467601U true JPH0467601U (en) | 1992-06-16 |
Family
ID=31858664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11123690U Pending JPH0467601U (en) | 1990-10-24 | 1990-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0467601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07151936A (en) * | 1993-11-29 | 1995-06-16 | Furukawa Electric Co Ltd:The | Optical parts for optical fiber amplifier |
-
1990
- 1990-10-24 JP JP11123690U patent/JPH0467601U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07151936A (en) * | 1993-11-29 | 1995-06-16 | Furukawa Electric Co Ltd:The | Optical parts for optical fiber amplifier |
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