JPS6370534U - - Google Patents
Info
- Publication number
- JPS6370534U JPS6370534U JP16426886U JP16426886U JPS6370534U JP S6370534 U JPS6370534 U JP S6370534U JP 16426886 U JP16426886 U JP 16426886U JP 16426886 U JP16426886 U JP 16426886U JP S6370534 U JPS6370534 U JP S6370534U
- Authority
- JP
- Japan
- Prior art keywords
- optical isolator
- polarizer
- analyzer
- container
- window glass
- 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
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000005357 flat glass Substances 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Description
第１図は本考案の一実施例を示す光アイソレー
タの縦断正面図、第２図は本考案の光アイソレー
タが適用された半導体レーザモジユールの縦断正
面図、第３図は従来の光アイソレータの一例を示
す縦断正面図、第４図および第５図はペルチエ素
子を用いた従来の半導体レーザモジユールの縦断
面図である。
２……永久磁石、３……フアラデー回転子、４
……偏光子、５……検光子、８……分布帰還型半
導体レーザ、９……モニタ用受光素子、１１……
ペルチエ素子、１３……先球セルフオツクレンズ
、１８，２３……窓ガラス、２１……光アイソレ
ータ、２２……容器、２４……窒素ガス、２５…
…蓋。
Fig. 1 is a longitudinal sectional front view of an optical isolator showing an embodiment of the present invention, Fig. 2 is a longitudinal sectional front view of a semiconductor laser module to which the optical isolator of the invention is applied, and Fig. 3 is a longitudinal sectional front view of a conventional optical isolator. FIGS. 4 and 5 are longitudinal sectional views showing one example of a conventional semiconductor laser module using a Peltier element. 2... Permanent magnet, 3... Faraday rotator, 4
... Polarizer, 5 ... Analyzer, 8 ... Distributed feedback semiconductor laser, 9 ... Light receiving element for monitoring, 11 ...
Peltier element, 13...Top self-cleaning lens, 18, 23...Window glass, 21...Optical isolator, 22...Container, 24...Nitrogen gas, 25...
…lid.
Claims (1)
その前後にそれぞれ設けられた偏光子および検光
子とにより構成されている光アイソレータにおい
て、該光アイソレータを、偏光子側および検光子
側に窓ガラスを有する容器内に気密封止したこと
を特徴とする光アイソレータ。 A Faraday rotor provided between permanent magnets,
An optical isolator comprising a polarizer and an analyzer provided before and after the optical isolator, characterized in that the optical isolator is hermetically sealed in a container having window glass on the polarizer side and the analyzer side. optical isolator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16426886U JPS6370534U (en) | 1986-10-28 | 1986-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16426886U JPS6370534U (en) | 1986-10-28 | 1986-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6370534U true JPS6370534U (en) | 1988-05-12 |
Family
ID=31093229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16426886U Pending JPS6370534U (en) | 1986-10-28 | 1986-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6370534U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10133146A (en) * | 1996-10-30 | 1998-05-22 | Kyocera Corp | Capillary optical isolator |
-
1986
- 1986-10-28 JP JP16426886U patent/JPS6370534U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10133146A (en) * | 1996-10-30 | 1998-05-22 | Kyocera Corp | Capillary optical isolator |
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