JPS601119U - optical demultiplexer - Google Patents

optical demultiplexer

Info

Publication number
JPS601119U
JPS601119U JP9138183U JP9138183U JPS601119U JP S601119 U JPS601119 U JP S601119U JP 9138183 U JP9138183 U JP 9138183U JP 9138183 U JP9138183 U JP 9138183U JP S601119 U JPS601119 U JP S601119U
Authority
JP
Japan
Prior art keywords
interference film
filter
light
reflected light
optical demultiplexer
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
JP9138183U
Other languages
Japanese (ja)
Inventor
勲 近藤
Original Assignee
日立電線株式会社
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 日立電線株式会社 filed Critical 日立電線株式会社
Priority to JP9138183U priority Critical patent/JPS601119U/en
Publication of JPS601119U publication Critical patent/JPS601119U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の３波長光分波器の構成図、第２図は従来
の２波長光分波器の構成図、第３図は第１図及び第２図
の干渉膜フィルタの拡大断面図、第４図は本考案の一実
施例である２波長分波器の構成図、第５図は第４図のＡ
部に示す複合干渉膜フィルタの拡大断面図である。 １；筐体、２をラドレンズ、３．　６．　７；干渉膜フ
ィルタ、４；全反射ミラー、５；光ファイバ、１０；複
合干渉膜フィルタ、１１；光学ガラス板、１２．１３；
干渉膜。Figure 1 is a configuration diagram of a conventional three-wavelength optical demultiplexer, Figure 2 is a configuration diagram of a conventional two-wavelength optical demultiplexer, and Figure 3 is an enlarged cross-section of the interference film filter in Figures 1 and 2. 4 is a configuration diagram of a two-wavelength demultiplexer which is an embodiment of the present invention, and FIG. 5 is a diagram of A in FIG.
FIG. 2 is an enlarged cross-sectional view of a composite interference film filter shown in FIG. 1; housing, 2 is Radolens, 3. 6. 7; interference film filter, 4; total reflection mirror, 5; optical fiber, 10; composite interference film filter, 11; optical glass plate, 12.13;
interference film.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）入射光束に対して傾斜させて配置し、異なる波長
の反射光と透過光が得られるごとく形成された干渉膜フ
ィルタと、この干渉膜フィルタよりの上記反射光を再び
反射させる複合干渉膜フィルタとで構成したことを特徴
とする光分波器。(1) An interference film filter arranged at an angle with respect to the incident light beam and formed so as to obtain reflected light and transmitted light of different wavelengths, and a composite interference film that reflects the reflected light from this interference film filter again. An optical demultiplexer comprising a filter. （２）上記複合干渉膜フィルタが、光学ガラス板の両面
に上記反射光を反射して上記透過光を透過させる干渉膜
を施したフィルタである実用新案登録請求の範囲第１項
記載の光分波器。(2) The light spectrum according to claim 1, wherein the composite interference film filter is a filter having interference films on both sides of an optical glass plate that reflect the reflected light and transmit the transmitted light. Wave equipment.
JP9138183U 1983-06-15 1983-06-15 optical demultiplexer Pending JPS601119U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9138183U JPS601119U (en) 1983-06-15 1983-06-15 optical demultiplexer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9138183U JPS601119U (en) 1983-06-15 1983-06-15 optical demultiplexer

Publications (1)

Publication Number Publication Date
JPS601119U true JPS601119U (en) 1985-01-07

Family

ID=30221362

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9138183U Pending JPS601119U (en) 1983-06-15 1983-06-15 optical demultiplexer

Country Status (1)

Country Link
JP (1) JPS601119U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62234106A (en) * 1986-04-02 1987-10-14 Yokogawa Hewlett Packard Ltd Beam splitter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5685701A (en) * 1979-12-14 1981-07-13 Fujitsu Ltd Optical branching filter
JPS57163214A (en) * 1981-04-01 1982-10-07 Hitachi Ltd Optical demultiplexer/multiplexer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5685701A (en) * 1979-12-14 1981-07-13 Fujitsu Ltd Optical branching filter
JPS57163214A (en) * 1981-04-01 1982-10-07 Hitachi Ltd Optical demultiplexer/multiplexer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62234106A (en) * 1986-04-02 1987-10-14 Yokogawa Hewlett Packard Ltd Beam splitter

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