JPH031554U - - Google Patents
Info
- Publication number
- JPH031554U JPH031554U JP6028189U JP6028189U JPH031554U JP H031554 U JPH031554 U JP H031554U JP 6028189 U JP6028189 U JP 6028189U JP 6028189 U JP6028189 U JP 6028189U JP H031554 U JPH031554 U JP H031554U
- Authority
- JP
- Japan
- Prior art keywords
- light
- beam splitter
- laser
- output
- light source
- 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 4
- 239000011521 glass Substances 0.000 claims 4
- 239000013307 optical fiber Substances 0.000 claims 3
- 239000000284 extract Substances 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図乃至第３図は夫々本考案に係るレーザ安
定化光源の実施例の構成図、第４図は従来のこの
種の安定化光源の一例の構成図、第５図は第４図
の動作を説明する為の図である。
１０……レーザ光源、１１……半導体レーザ、
１２……レンズ、１４……受光素子、３０……キ
ユーブ・ビームスプリツタ、４０……偏光子、５
０……ビームスプリツタ。
1 to 3 are block diagrams of embodiments of a laser stabilized light source according to the present invention, FIG. 4 is a block diagram of an example of a conventional stabilized light source of this type, and FIG. It is a diagram for explaining the operation. 10... Laser light source, 11... Semiconductor laser,
12... Lens, 14... Light receiving element, 30... Cube beam splitter, 40... Polarizer, 5
0...Beam splitter.
Claims (1)
ームスプリツタにより分岐し、透過光を光フアイ
バーを介して出力光として取出すと共に、反射光
を前記出力光をモニタする受光素子に導くように
したレーザ光源において、前記ビームスプリツタ
にキユーブ・ビームスプリツタを用いたことを特
徴とするレーザ安定化光源。 (2) 半導体レーザをレンズにより集光した後ガ
ラス板で構成されたビームスプリツタにより分岐
し、透過光を光フアイバーを介して出力光として
取出すと共に、反射光を前記出力光をモニタする
受光素子に導くようにしたレーザ光源において、
前記反射光のうちビームスプリツタにおける入射
面での反射光と出射面での反射光のいずれか一方
が前記受光素子に導かれるようにガラスの板厚を
選定してなるレーザ安定化光源。 (3) 半導体レーザをレンズにより集光した後ガ
ラス板で構成されたビームスプリツタにより分岐
し、透過光を光フアイバーを介して出力光として
取出すと共に、反射光を前記出力光をモニタする
受光素子に導くようにしたレーザ光源において、
前記ビームスプリツタを構成するガラスの一方の
面に反射防止用コーテングを施してなるレーザ安
定化光源。 (4) レンズとビームスプリツタとの間に偏光子
を挿入配置したことを特徴とする実用新案登録請
求の範囲第(1)項乃至第(3)項記載のレーザ安定化
光源。[Claims for Utility Model Registration] (1) A semiconductor laser is focused by a lens and then split by a beam splitter, the transmitted light is extracted as output light through an optical fiber, and the output light is monitored for reflected light. 1. A laser stabilized light source that is guided to a light receiving element, characterized in that a cube beam splitter is used as the beam splitter. (2) A light-receiving element that focuses the semiconductor laser using a lens, splits the light using a beam splitter made of a glass plate, extracts the transmitted light as output light via an optical fiber, and monitors the output light using reflected light. In a laser light source designed to guide
A laser stabilized light source comprising a glass plate having a thickness selected so that either one of the reflected light on the incident surface and the reflected light on the output surface of the beam splitter is guided to the light receiving element. (3) A light-receiving element that focuses the semiconductor laser using a lens and then splits the light using a beam splitter made of a glass plate, extracts the transmitted light as output light via an optical fiber, and monitors the output light using reflected light. In a laser light source designed to guide
A laser stabilized light source formed by applying an antireflection coating to one surface of the glass constituting the beam splitter. (4) A laser stabilized light source according to claims (1) to (3) of the utility model registration, characterized in that a polarizer is inserted between the lens and the beam splitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6028189U JPH031554U (en) | 1989-05-24 | 1989-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6028189U JPH031554U (en) | 1989-05-24 | 1989-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH031554U true JPH031554U (en) | 1991-01-09 |
Family
ID=31587512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6028189U Pending JPH031554U (en) | 1989-05-24 | 1989-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH031554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017108009A (en) * | 2015-12-10 | 2017-06-15 | 三菱電機株式会社 | Laser device for lighting |
-
1989
- 1989-05-24 JP JP6028189U patent/JPH031554U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017108009A (en) * | 2015-12-10 | 2017-06-15 | 三菱電機株式会社 | Laser device for lighting |
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