JPH0453206U - - Google Patents
Info
- Publication number
- JPH0453206U JPH0453206U JP9601890U JP9601890U JPH0453206U JP H0453206 U JPH0453206 U JP H0453206U JP 9601890 U JP9601890 U JP 9601890U JP 9601890 U JP9601890 U JP 9601890U JP H0453206 U JPH0453206 U JP H0453206U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- semiconductor laser
- laser module
- coupling lens
- pellet
- 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 4
- 239000008188 pellet Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 239000005338 frosted glass Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 2
Landscapes
- Optical Couplings Of Light Guides (AREA)
Description
第１図は本考案に係る半導体レーザモジユール
の概略構成図、第２図は本考案のレンズを用いた
場合のＸ，Ｙ軸方向の軸ずれ量と光出力低下量の
関係を示す図、第３図は本考案に係る半導体レー
ザモジユールの一実施例を示す縦断面図、第４図
は従来の半導体レーザモジユールの概略構成図、
第５図はＺ軸方向の軸ずれ量と光出力低下量の関
係を示す図である。
１０……ＬＤペレツト、１１……光フアイバ、
１２……レンズ。
FIG. 1 is a schematic configuration diagram of a semiconductor laser module according to the present invention, and FIG. 2 is a diagram showing the relationship between the amount of axis deviation in the X and Y axis directions and the amount of optical output reduction when using the lens of the present invention. FIG. 3 is a longitudinal sectional view showing an embodiment of the semiconductor laser module according to the present invention, and FIG. 4 is a schematic configuration diagram of a conventional semiconductor laser module.
FIG. 5 is a diagram showing the relationship between the amount of axis deviation in the Z-axis direction and the amount of decrease in optical output. 10...LD pellet, 11...optical fiber,
12...Lens.
Claims (1)
光フアイバ結合用レンズとから構成される結合系
を含む半導体レーザモジユールにおいて、前記光
フアイバ結合用レンズの表面が曇りガラス状に研
摩されたことを特徴とする半導体レーザモジユー
ル。 A semiconductor laser module including a coupling system composed of an LD pellet, an optical fiber, and at least one optical fiber coupling lens, characterized in that the surface of the optical fiber coupling lens is polished to a frosted glass shape. Semiconductor laser module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9601890U JPH0453206U (en) | 1990-09-14 | 1990-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9601890U JPH0453206U (en) | 1990-09-14 | 1990-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0453206U true JPH0453206U (en) | 1992-05-07 |
Family
ID=31835220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9601890U Pending JPH0453206U (en) | 1990-09-14 | 1990-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453206U (en) |
-
1990
- 1990-09-14 JP JP9601890U patent/JPH0453206U/ja active Pending
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