JPS5398849A - Optical branching filter - Google Patents

Optical branching filter

Info

Publication number
JPS5398849A
JPS5398849A JP1295577A JP1295577A JPS5398849A JP S5398849 A JPS5398849 A JP S5398849A JP 1295577 A JP1295577 A JP 1295577A JP 1295577 A JP1295577 A JP 1295577A JP S5398849 A JPS5398849 A JP S5398849A
Authority
JP
Japan
Prior art keywords
optical branching
branching filter
disposing
wavelengths
materials
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
JP1295577A
Other languages
Japanese (ja)
Other versions
JPS5621122B2 (en
Inventor
Tetsuya Miki
Hideki Ishio
Kazuo Nagafune
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.)
Nippon Telegraph and Telephone Corp
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 JP1295577A priority Critical patent/JPS5398849A/en
Publication of JPS5398849A publication Critical patent/JPS5398849A/en
Publication of JPS5621122B2 publication Critical patent/JPS5621122B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE:To facilitate adjustment and reduce wasteful space by disposing one or more prisms made of materials of different refractive indices depending upon wavelengths and one or more sloped refractive index lens in a straight line.
JP1295577A 1977-02-10 1977-02-10 Optical branching filter Granted JPS5398849A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1295577A JPS5398849A (en) 1977-02-10 1977-02-10 Optical branching filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1295577A JPS5398849A (en) 1977-02-10 1977-02-10 Optical branching filter

Publications (2)

Publication Number Publication Date
JPS5398849A true JPS5398849A (en) 1978-08-29
JPS5621122B2 JPS5621122B2 (en) 1981-05-18

Family

ID=11819685

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1295577A Granted JPS5398849A (en) 1977-02-10 1977-02-10 Optical branching filter

Country Status (1)

Country Link
JP (1) JPS5398849A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6384529U (en) * 1986-11-25 1988-06-02
US4981335A (en) * 1989-10-17 1991-01-01 At&T Bell Laboratories Optical package arrangement with reduced reflections
JPH1068694A (en) * 1997-06-30 1998-03-10 Hitachi Ltd Method for determining base sequence of nucleic acid
US7805033B2 (en) 2006-09-27 2010-09-28 Xyratex Technology Limited Optical wavelength division multiplexed multiplexer/demultiplexer for an optical printed circuit board and a method of manufacturing the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4891946U (en) * 1972-02-05 1973-11-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4891946U (en) * 1972-02-05 1973-11-05

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6384529U (en) * 1986-11-25 1988-06-02
US4981335A (en) * 1989-10-17 1991-01-01 At&T Bell Laboratories Optical package arrangement with reduced reflections
JPH1068694A (en) * 1997-06-30 1998-03-10 Hitachi Ltd Method for determining base sequence of nucleic acid
US7805033B2 (en) 2006-09-27 2010-09-28 Xyratex Technology Limited Optical wavelength division multiplexed multiplexer/demultiplexer for an optical printed circuit board and a method of manufacturing the same
US8007965B2 (en) 2006-09-27 2011-08-30 Xyratex Technology Limited Optical wavelength division multiplexed multiplexer/demultiplexer for an optical printed circuit board and a method of manufacturing the same

Also Published As

Publication number Publication date
JPS5621122B2 (en) 1981-05-18

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