JPS58138915U - Fiber optic demultiplexer - Google Patents

Fiber optic demultiplexer

Info

Publication number
JPS58138915U
JPS58138915U JP3658982U JP3658982U JPS58138915U JP S58138915 U JPS58138915 U JP S58138915U JP 3658982 U JP3658982 U JP 3658982U JP 3658982 U JP3658982 U JP 3658982U JP S58138915 U JPS58138915 U JP S58138915U
Authority
JP
Japan
Prior art keywords
optical fiber
single mode
fiber optic
mode optical
fiber
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
JP3658982U
Other languages
Japanese (ja)
Inventor
中居 久典
博 梶岡
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 JP3658982U priority Critical patent/JPS58138915U/en
Publication of JPS58138915U publication Critical patent/JPS58138915U/en
Pending legal-status Critical Current

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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 drawings]

l   第1図は本考案の一実施例である光フアイバ型
′  分波器の正面図である。 3 1:単一モード光ファイバ、2.3:偏光子、4:: 
 入射光、5.6=出射光。 1、
1 is a front view of an optical fiber type demultiplexer which is an embodiment of the present invention. 3 1: Single mode optical fiber, 2.3: Polarizer, 4::
Incident light, 5.6 = outgoing light. 1,

Claims (1)

【実用新案登録請求の範囲】 1 単一モード光ファイバと、この単一モードjファイ
バの主軸と45°の偏光角を有し、上酋単−モード光フ
ァイバの両端に設置した一対σ偏光子とを備え、上記単
一モード光フアイバσ結合長が波長の異なる複数の光の
波長の整数aとなるごとく構成−したことを特徴とする
光ファイバ型分波器。 、2・上記単一モード光ファイバの長さ1が上記2つの
波長光の結合長しのm倍となっている特番=己 )   ファイバ型分波器。  −−
[Claims for Utility Model Registration] 1. A single mode optical fiber and a pair of σ polarizers having a polarization angle of 45° with respect to the main axis of the single mode J fiber and installed at both ends of the single mode optical fiber. An optical fiber type demultiplexer, characterized in that the single mode optical fiber σ coupling length is an integer a of the wavelengths of a plurality of lights having different wavelengths. , 2.Special number = Self) Fiber-type demultiplexer in which the length 1 of the single mode optical fiber is m times the coupling length of the two wavelength lights. ---
JP3658982U 1982-03-16 1982-03-16 Fiber optic demultiplexer Pending JPS58138915U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3658982U JPS58138915U (en) 1982-03-16 1982-03-16 Fiber optic demultiplexer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3658982U JPS58138915U (en) 1982-03-16 1982-03-16 Fiber optic demultiplexer

Publications (1)

Publication Number Publication Date
JPS58138915U true JPS58138915U (en) 1983-09-19

Family

ID=30048013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3658982U Pending JPS58138915U (en) 1982-03-16 1982-03-16 Fiber optic demultiplexer

Country Status (1)

Country Link
JP (1) JPS58138915U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55143519A (en) * 1979-04-27 1980-11-08 Nippon Telegr & Teleph Corp <Ntt> Photo branching filter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55143519A (en) * 1979-04-27 1980-11-08 Nippon Telegr & Teleph Corp <Ntt> Photo branching filter

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