JPH0221769U - - Google Patents
Info
- Publication number
- JPH0221769U JPH0221769U JP9989788U JP9989788U JPH0221769U JP H0221769 U JPH0221769 U JP H0221769U JP 9989788 U JP9989788 U JP 9989788U JP 9989788 U JP9989788 U JP 9989788U JP H0221769 U JPH0221769 U JP H0221769U
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- optical fiber
- lenses
- space
- laser module
- 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
- 239000004065 semiconductor Substances 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Description
第１図は本考案に係わる半導体レーザモジユー
ルの一実施例を示す縦断面斜視図、第２図Ａ，Ｂ
は本考案で採用される光減衰器の断面図、第３図
は従来の半導体レーザモジユールの駆動電流Ｉに
対する光出力Ｌのバラツキを示す図である。
３……第１レンズ、４……ホルダ、５……光フ
アイバ端末、６……第２レンズ、７……保持部材
、１１……光減衰板、１２……光減衰器。
FIG. 1 is a vertical cross-sectional perspective view showing an embodiment of a semiconductor laser module according to the present invention, and FIGS. 2A and B
3 is a sectional view of an optical attenuator employed in the present invention, and FIG. 3 is a diagram showing variations in optical output L with respect to drive current I of a conventional semiconductor laser module. 3... First lens, 4... Holder, 5... Optical fiber terminal, 6... Second lens, 7... Holding member, 11... Optical attenuation plate, 12... Optical attenuator.
Claims (1)
および光フアイバがそれぞれ所定の位置関係でホ
ルダ内に収納配置された半導体レーザモジユール
において、前記レンズと光フアイバとの間の空間
部分、あるいは前記複数のレンズ間の空間部分に
所定の光減衰量を有する、少なくとも１個の光減
衰板を配設したことを特徴とする半導体レーザモ
ジユール。 In a semiconductor laser module in which a semiconductor laser, one or more lenses, and an optical fiber are housed in a holder in a predetermined positional relationship, the space between the lens and the optical fiber or the plurality of A semiconductor laser module characterized in that at least one light attenuation plate having a predetermined amount of light attenuation is disposed in a space between lenses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9989788U JPH0221769U (en) | 1988-07-29 | 1988-07-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9989788U JPH0221769U (en) | 1988-07-29 | 1988-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0221769U true JPH0221769U (en) | 1990-02-14 |
Family
ID=31327480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9989788U Pending JPH0221769U (en) | 1988-07-29 | 1988-07-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221769U (en) |
-
1988
- 1988-07-29 JP JP9989788U patent/JPH0221769U/ja active Pending
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