JPS53115188A - Semiconductor laser - Google Patents
Semiconductor laserInfo
- Publication number
- JPS53115188A JPS53115188A JP2920577A JP2920577A JPS53115188A JP S53115188 A JPS53115188 A JP S53115188A JP 2920577 A JP2920577 A JP 2920577A JP 2920577 A JP2920577 A JP 2920577A JP S53115188 A JPS53115188 A JP S53115188A
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- refractive index
- laser
- semiconductor
- active layer
- 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
- Semiconductor Lasers (AREA)
Abstract
PURPOSE: To realize a semiconductor laser of an extremely small beam divergent angle and good parallelism by so forming the laser that the effective refractive index of the active layer becomes smaller than the refractive index of third semiconductor layers.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB226777A GB1537957A (en) | 1976-03-25 | 1977-01-20 | Welding of pipes |
JP2920577A JPS53115188A (en) | 1977-03-18 | 1977-03-18 | Semiconductor laser |
US05/843,365 US4176325A (en) | 1976-10-22 | 1977-10-19 | Semiconductor laser device |
GB43931/77A GB1545194A (en) | 1976-10-22 | 1977-10-21 | Semiconductor laser device |
DE2747371A DE2747371C3 (en) | 1976-10-22 | 1977-10-21 | Semiconductor laser |
NL7711664A NL7711664A (en) | 1976-10-22 | 1977-10-24 | SEMICONDUCTOR LASER. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2920577A JPS53115188A (en) | 1977-03-18 | 1977-03-18 | Semiconductor laser |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53115188A true JPS53115188A (en) | 1978-10-07 |
Family
ID=12269682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2920577A Pending JPS53115188A (en) | 1976-03-25 | 1977-03-18 | Semiconductor laser |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53115188A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48115U (en) * | 1971-05-22 | 1973-01-05 |
-
1977
- 1977-03-18 JP JP2920577A patent/JPS53115188A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS48115U (en) * | 1971-05-22 | 1973-01-05 |
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