JPH0258721U - - Google Patents
Info
- Publication number
- JPH0258721U JPH0258721U JP13782088U JP13782088U JPH0258721U JP H0258721 U JPH0258721 U JP H0258721U JP 13782088 U JP13782088 U JP 13782088U JP 13782088 U JP13782088 U JP 13782088U JP H0258721 U JPH0258721 U JP H0258721U
- Authority
- JP
- Japan
- Prior art keywords
- movable mirror
- mirror
- shielding plate
- optical attenuator
- variable 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
Description
第１図は本考案の光可変減衰器の一実施例を示
す構造図、第２図は従来の連続減衰素子による光
可変減衰器の構造図、第３図は従来の可変スリツ
トによる光可変減衰器の構造図である。
図中、１１，１６は光フアイバ、１２，１３は
可動ミラー、１４は固定ミラー、１５はレンズ、
１７は可動ミラー台座、１８は歯車、１９は遮蔽
板、２０は開口部を示す。
Fig. 1 is a structural diagram showing an embodiment of the variable optical attenuator of the present invention, Fig. 2 is a structural diagram of a conventional variable optical attenuator using a continuous attenuation element, and Fig. 3 is a structural diagram of an optical variable attenuator using a conventional variable slit. It is a structural diagram of a container. In the figure, 11 and 16 are optical fibers, 12 and 13 are movable mirrors, 14 is a fixed mirror, 15 is a lens,
17 is a movable mirror base, 18 is a gear, 19 is a shielding plate, and 20 is an opening.
Claims (1)
り返すべく可動ミラーと固定ミラーとを互いにハ
字状に向かい合わせて配置し、可動ミラー又は固
定ミラーの一方の反射面に部分的に開口部を有す
る遮蔽板を設けると共に、該遮蔽板の開口部に入
射する光量が変化するように可動ミラーを移動さ
せる手段を設けたことを特徴とする光可変減衰器
。 A shielding plate in which a movable mirror and a fixed mirror are arranged facing each other in a V-shape in order to return incident light obtained from an optical fiber through a lens, and the reflecting surface of one of the movable mirror or the fixed mirror has a partial opening. What is claimed is: 1. A variable optical attenuator, characterized in that the variable optical attenuator is provided with a means for moving a movable mirror so as to change the amount of light incident on the opening of the shielding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13782088U JPH0258721U (en) | 1988-10-24 | 1988-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13782088U JPH0258721U (en) | 1988-10-24 | 1988-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0258721U true JPH0258721U (en) | 1990-04-26 |
Family
ID=31399595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13782088U Pending JPH0258721U (en) | 1988-10-24 | 1988-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0258721U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004008219A1 (en) * | 2002-07-12 | 2004-01-22 | Omron Corporation | Variable light attenuator |
| JP2007500369A (en) * | 2003-07-26 | 2007-01-11 | キネティック リミテッド | Variable optical attenuator |
-
1988
- 1988-10-24 JP JP13782088U patent/JPH0258721U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004008219A1 (en) * | 2002-07-12 | 2004-01-22 | Omron Corporation | Variable light attenuator |
| CN100340894C (en) * | 2002-07-12 | 2007-10-03 | 欧姆龙株式会社 | Variable light attenuator |
| JP2007500369A (en) * | 2003-07-26 | 2007-01-11 | キネティック リミテッド | Variable optical attenuator |
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