JPS5670519A - Light isolator - Google Patents
Light isolatorInfo
- Publication number
- JPS5670519A JPS5670519A JP14700679A JP14700679A JPS5670519A JP S5670519 A JPS5670519 A JP S5670519A JP 14700679 A JP14700679 A JP 14700679A JP 14700679 A JP14700679 A JP 14700679A JP S5670519 A JPS5670519 A JP S5670519A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- substrate
- angle
- optical
- 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.)
- Pending
Links
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
PURPOSE: To facilitate a connection with optical fiber by improving mechanical vibration resistance and also to obtain a stable, miniature light circuit by using optical fiber for each element and then by fixing them in a groove in a substrate.
CONSTITUTION: This isolator is equipped with substrate 18, cover part 19 of input optical fiber 14, cover part 20 of output optical fiber 15, optical fiber 21 for a polarizer having the flank cut at the complementary angle of the Brewster's angle, optical fiber 22 for an analyzer having the flank cut and polished at the complementary angle of the Brewster's angle, and magnetic crystal optical fiber 23 that provides optical activity in a magnetic field. Then, respective fibers 14, 21, 23, 22, and 15 are fixed in series on substrate 18 with optical axes agreeing. Further, respective fibers are bonded in and fixed to groove 24 made in substrate 18. With regard to fibers 21, 23 and 22, the polarization direction and optical rotation are set at 45° respectively and the light circuit operates as a light isolator.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14700679A JPS5670519A (en) | 1979-11-15 | 1979-11-15 | Light isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14700679A JPS5670519A (en) | 1979-11-15 | 1979-11-15 | Light isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5670519A true JPS5670519A (en) | 1981-06-12 |
Family
ID=15420423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14700679A Pending JPS5670519A (en) | 1979-11-15 | 1979-11-15 | Light isolator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5670519A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5933426A (en) * | 1982-08-19 | 1984-02-23 | Matsushita Electric Ind Co Ltd | Coupling device on incidence side of optical isolator |
| JPS59119316A (en) * | 1982-12-27 | 1984-07-10 | Fuji Elelctrochem Co Ltd | Optical isolator |
| JPS59119315A (en) * | 1982-12-27 | 1984-07-10 | Fuji Elelctrochem Co Ltd | Optical isolator |
| JPS6021023A (en) * | 1983-07-15 | 1985-02-02 | Nippon Telegr & Teleph Corp <Ntt> | Optical isolator element |
| JPS62200319A (en) * | 1986-02-28 | 1987-09-04 | Fujitsu Ltd | Optical fiber circuit device |
| CN102522680A (en) * | 2011-12-23 | 2012-06-27 | 中国科学院光电研究院 | Method for designing Brewster window |
-
1979
- 1979-11-15 JP JP14700679A patent/JPS5670519A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5933426A (en) * | 1982-08-19 | 1984-02-23 | Matsushita Electric Ind Co Ltd | Coupling device on incidence side of optical isolator |
| JPH0138288B2 (en) * | 1982-08-19 | 1989-08-14 | Matsushita Electric Ind Co Ltd | |
| JPS59119316A (en) * | 1982-12-27 | 1984-07-10 | Fuji Elelctrochem Co Ltd | Optical isolator |
| JPS59119315A (en) * | 1982-12-27 | 1984-07-10 | Fuji Elelctrochem Co Ltd | Optical isolator |
| JPS6230607B2 (en) * | 1982-12-27 | 1987-07-03 | Fuji Electrochemical Co Ltd | |
| JPS6230608B2 (en) * | 1982-12-27 | 1987-07-03 | Fuji Electrochemical Co Ltd | |
| JPS6021023A (en) * | 1983-07-15 | 1985-02-02 | Nippon Telegr & Teleph Corp <Ntt> | Optical isolator element |
| JPS6230609B2 (en) * | 1983-07-15 | 1987-07-03 | Nippon Denshin Denwa Kk | |
| JPS62200319A (en) * | 1986-02-28 | 1987-09-04 | Fujitsu Ltd | Optical fiber circuit device |
| CN102522680A (en) * | 2011-12-23 | 2012-06-27 | 中国科学院光电研究院 | Method for designing Brewster window |
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