JPH024269U - - Google Patents
Info
- Publication number
- JPH024269U JPH024269U JP8197288U JP8197288U JPH024269U JP H024269 U JPH024269 U JP H024269U JP 8197288 U JP8197288 U JP 8197288U JP 8197288 U JP8197288 U JP 8197288U JP H024269 U JPH024269 U JP H024269U
- Authority
- JP
- Japan
- Prior art keywords
- beam splitter
- light
- semiconductor laser
- laser
- isolator
- 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.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 claims description 4
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例を示す構成図、第２
図は従来例を示す構成説明図である。
１…半導体レーザ、３ａ…第１のアイソレータ
、３ｂ…第２のアイソレータ、４ａ…第１のビー
ムスプリツタ（ハーフミラー）、４ｂ…第２のビ
ームスプリツタ（ハーフミラー）、６ａ…第１の
受光素子、６ｂ…第２の受光素子、７…エタロン
、８…演算装置。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a configuration explanatory diagram showing a conventional example. DESCRIPTION OF SYMBOLS 1... Semiconductor laser, 3a... First isolator, 3b... Second isolator, 4a... First beam splitter (half mirror), 4b... Second beam splitter (half mirror), 6a... First Light receiving element, 6b...Second light receiving element, 7...Etalon, 8...Arithmetic unit.
Claims (1)
ムスプリツタと、この第１のビームスプリツタで
分岐した一方の光を分岐する第２のビームスプリ
ツタと、この第２のビームスプリツタで分岐した
一方の光を受光する第１の受光素子と、他方の光
をエタロンを介して受光する第２の受光素子と、
これら受光素子から電気信号に基づいて前記レー
ザへの注入電流を制御する演算装置を備えた半導
体レーザの波長安定化装置において、前記レーザ
と第１のビームスプリツタの間に第１のアイソレ
ータを、前記第１のビームスプリツタとエタロン
の間に第２のアイソレータを配置したことを特徴
とする半導体レーザの波長安定化装置。 A first beam splitter disposed on the optical axis of the semiconductor laser, a second beam splitter that splits one of the lights split by the first beam splitter, and a second beam splitter that splits one of the lights split by the first beam splitter. a first light-receiving element that receives one of the branched lights; a second light-receiving element that receives the other light through an etalon;
In a wavelength stabilizing device for a semiconductor laser, which includes an arithmetic unit that controls current injected into the laser based on electrical signals from these light receiving elements, a first isolator is provided between the laser and a first beam splitter; A wavelength stabilizing device for a semiconductor laser, characterized in that a second isolator is disposed between the first beam splitter and the etalon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988081972U JPH0636599Y2 (en) | 1988-06-21 | 1988-06-21 | Semiconductor laser wavelength stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988081972U JPH0636599Y2 (en) | 1988-06-21 | 1988-06-21 | Semiconductor laser wavelength stabilizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH024269U true JPH024269U (en) | 1990-01-11 |
| JPH0636599Y2 JPH0636599Y2 (en) | 1994-09-21 |
Family
ID=31306739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988081972U Expired - Lifetime JPH0636599Y2 (en) | 1988-06-21 | 1988-06-21 | Semiconductor laser wavelength stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0636599Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62250682A (en) * | 1986-04-23 | 1987-10-31 | Yokogawa Electric Corp | Stabilizing apparatus for wavelength of semiconductor laser |
-
1988
- 1988-06-21 JP JP1988081972U patent/JPH0636599Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62250682A (en) * | 1986-04-23 | 1987-10-31 | Yokogawa Electric Corp | Stabilizing apparatus for wavelength of semiconductor laser |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0636599Y2 (en) | 1994-09-21 |