JPS5248334A - Band-pass filter - Google Patents
Band-pass filterInfo
- Publication number
- JPS5248334A JPS5248334A JP12411675A JP12411675A JPS5248334A JP S5248334 A JPS5248334 A JP S5248334A JP 12411675 A JP12411675 A JP 12411675A JP 12411675 A JP12411675 A JP 12411675A JP S5248334 A JPS5248334 A JP S5248334A
- Authority
- JP
- Japan
- Prior art keywords
- band
- pass filter
- filter
- combined
- communication system
- 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
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Optical Integrated Circuits (AREA)
Abstract
PURPOSE:To provide a band-pass filter for optical communication system, in which rough areas of different periods are combined on the same plane of an optical filter having band characteristics.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12411675A JPS5248334A (en) | 1975-10-15 | 1975-10-15 | Band-pass filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12411675A JPS5248334A (en) | 1975-10-15 | 1975-10-15 | Band-pass filter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5248334A true JPS5248334A (en) | 1977-04-18 |
JPS5537724B2 JPS5537724B2 (en) | 1980-09-30 |
Family
ID=14877311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12411675A Granted JPS5248334A (en) | 1975-10-15 | 1975-10-15 | Band-pass filter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5248334A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55110207A (en) * | 1979-02-19 | 1980-08-25 | Ricoh Co Ltd | Optical fiber device |
JPS61284707A (en) * | 1985-06-12 | 1986-12-15 | Hitachi Ltd | Optical multiplexer and demultiplexer |
JPS62159106A (en) * | 1986-01-08 | 1987-07-15 | Hitachi Ltd | Optical waveguide type filter |
JPS62189408A (en) * | 1986-02-17 | 1987-08-19 | Hitachi Ltd | Optical integrated circuit |
JPS62280809A (en) * | 1986-05-30 | 1987-12-05 | Nippon Telegr & Teleph Corp <Ntt> | Functional optical waveguide |
JPH03174503A (en) * | 1989-12-04 | 1991-07-29 | Canon Inc | Optical wavelength filter and device using the same |
-
1975
- 1975-10-15 JP JP12411675A patent/JPS5248334A/en active Granted
Non-Patent Citations (2)
Title |
---|
APPL PHYS LETT#V22#N4=1973 * |
APPLIED PHYSICS LETTERS#N4 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55110207A (en) * | 1979-02-19 | 1980-08-25 | Ricoh Co Ltd | Optical fiber device |
JPS61284707A (en) * | 1985-06-12 | 1986-12-15 | Hitachi Ltd | Optical multiplexer and demultiplexer |
JPS62159106A (en) * | 1986-01-08 | 1987-07-15 | Hitachi Ltd | Optical waveguide type filter |
JPS62189408A (en) * | 1986-02-17 | 1987-08-19 | Hitachi Ltd | Optical integrated circuit |
JPS62280809A (en) * | 1986-05-30 | 1987-12-05 | Nippon Telegr & Teleph Corp <Ntt> | Functional optical waveguide |
JPH03174503A (en) * | 1989-12-04 | 1991-07-29 | Canon Inc | Optical wavelength filter and device using the same |
Also Published As
Publication number | Publication date |
---|---|
JPS5537724B2 (en) | 1980-09-30 |
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