JPS51114948A - Optical branching filter - Google Patents

Optical branching filter

Info

Publication number
JPS51114948A
JPS51114948A JP3911475A JP3911475A JPS51114948A JP S51114948 A JPS51114948 A JP S51114948A JP 3911475 A JP3911475 A JP 3911475A JP 3911475 A JP3911475 A JP 3911475A JP S51114948 A JPS51114948 A JP S51114948A
Authority
JP
Japan
Prior art keywords
optical branching
branching filter
optical
filter
lenses
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
JP3911475A
Other languages
Japanese (ja)
Inventor
Mitsuhiro Tatsuta
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 JP3911475A priority Critical patent/JPS51114948A/en
Publication of JPS51114948A publication Critical patent/JPS51114948A/en
Pending legal-status Critical Current

Links

Landscapes

  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

PURPOSE: An optical branching filter which is compact and which can easily be coupled to optical elements such as lenses, fibers.
COPYRIGHT: (C)1976,JPO&Japio
JP3911475A 1975-04-02 1975-04-02 Optical branching filter Pending JPS51114948A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3911475A JPS51114948A (en) 1975-04-02 1975-04-02 Optical branching filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3911475A JPS51114948A (en) 1975-04-02 1975-04-02 Optical branching filter

Publications (1)

Publication Number Publication Date
JPS51114948A true JPS51114948A (en) 1976-10-09

Family

ID=12544040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3911475A Pending JPS51114948A (en) 1975-04-02 1975-04-02 Optical branching filter

Country Status (1)

Country Link
JP (1) JPS51114948A (en)

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