JPS53105254A - Optical fiber branching filter - Google Patents

Optical fiber branching filter

Info

Publication number
JPS53105254A
JPS53105254A JP1987677A JP1987677A JPS53105254A JP S53105254 A JPS53105254 A JP S53105254A JP 1987677 A JP1987677 A JP 1987677A JP 1987677 A JP1987677 A JP 1987677A JP S53105254 A JPS53105254 A JP S53105254A
Authority
JP
Japan
Prior art keywords
branching filter
optical fiber
fiber branching
filter
miniature
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
Application number
JP1987677A
Other languages
Japanese (ja)
Inventor
Toshio Takei
Yoshio Miyake
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP1987677A priority Critical patent/JPS53105254A/en
Publication of JPS53105254A publication Critical patent/JPS53105254A/en
Pending legal-status Critical Current

Links

Landscapes

  • Testing Of Optical Devices Or Fibers (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:To make possible the constitution of a branching filter with less parts and obtain the miniature, inexpensive and stable branching filter by providing a wavelength selection part to a convergent lens wherein refractive index makes a square distribution with respect to central axis.
JP1987677A 1977-02-25 1977-02-25 Optical fiber branching filter Pending JPS53105254A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987677A JPS53105254A (en) 1977-02-25 1977-02-25 Optical fiber branching filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987677A JPS53105254A (en) 1977-02-25 1977-02-25 Optical fiber branching filter

Publications (1)

Publication Number Publication Date
JPS53105254A true JPS53105254A (en) 1978-09-13

Family

ID=12011400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987677A Pending JPS53105254A (en) 1977-02-25 1977-02-25 Optical fiber branching filter

Country Status (1)

Country Link
JP (1) JPS53105254A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236611A (en) * 1985-08-12 1987-02-17 Matsushita Electric Ind Co Ltd Active Star Katsupura
JPS6410709U (en) * 1987-07-09 1989-01-20
US7194160B2 (en) 2002-02-14 2007-03-20 Nippon Sheet Glass Co., Ltd. Filter module

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236611A (en) * 1985-08-12 1987-02-17 Matsushita Electric Ind Co Ltd Active Star Katsupura
JPS6410709U (en) * 1987-07-09 1989-01-20
US7194160B2 (en) 2002-02-14 2007-03-20 Nippon Sheet Glass Co., Ltd. Filter module

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