JPS5248334A - Band-pass filter - Google Patents

Band-pass filter

Info

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
Application number
JP12411675A
Other languages
Japanese (ja)
Other versions
JPS5537724B2 (en
Inventor
Tadahisa Oota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP12411675A priority Critical patent/JPS5248334A/en
Publication of JPS5248334A publication Critical patent/JPS5248334A/en
Publication of JPS5537724B2 publication Critical patent/JPS5537724B2/ja
Granted legal-status Critical Current

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.
JP12411675A 1975-10-15 1975-10-15 Band-pass filter Granted JPS5248334A (en)

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)

* Cited by examiner, † Cited by third party
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/demultiplexer
JPS62159106A (en) * 1986-01-08 1987-07-15 Hitachi Ltd Optical waveguide 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 it

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
APPL PHYS LETT#V22#N4=1973 *
APPLIED PHYSICS LETTERS#N4 *

Cited By (6)

* Cited by examiner, † Cited by third party
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/demultiplexer
JPS62159106A (en) * 1986-01-08 1987-07-15 Hitachi Ltd Optical waveguide 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 it

Also Published As

Publication number Publication date
JPS5537724B2 (en) 1980-09-30

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