JPH0470632U - - Google Patents

Info

Publication number
JPH0470632U
JPH0470632U JP1990113315U JP11331590U JPH0470632U JP H0470632 U JPH0470632 U JP H0470632U JP 1990113315 U JP1990113315 U JP 1990113315U JP 11331590 U JP11331590 U JP 11331590U JP H0470632 U JPH0470632 U JP H0470632U
Authority
JP
Japan
Prior art keywords
optical
light
doped fiber
pumping light
signal
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
JP1990113315U
Other languages
English (en)
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 filed Critical
Priority to JP1990113315U priority Critical patent/JPH0470632U/ja
Publication of JPH0470632U publication Critical patent/JPH0470632U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Light Guides In General And Applications Therefor (AREA)
  • Optical Communication System (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例の構成図、第２図は
従来の光フアイバ増幅器の構成図、第３図、第４
図は本考案の本実施例を説明するための特性図で
ある。 １……Ｅｒドープフアイバ、２……ポンピング
用ＬＤ、３……受光器、４……モードスクランブ
ラー、５，７……制御装置、６……ＳＶ回路、８
……分岐器、９……合波器、１０……光学フイル
タ。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 入力端に信号光とポンピング用光源が発する
    ポンピング光とを受け前記信号光を増幅してＥｒ
    ドープフアイバを有する光フアイバ増幅器におい
    て、前記Ｅｒドープフアイバのカツトオフ波長が
    前記ポンピング光の波長よりわずかに長く、前記
    Ｅｒドープフアイバ出力側端部が前記ポンピング
    光に対し曲げ損失を与える半径で円形状に巻かれ
    ていることを特徴とする光フアイバ増幅器。 ２ 前記Ｅｒドープフアイバの出力光の一部を取
    り出す光分岐器と、該光分岐器からの光の強さに
    応じた強さの電気信号を発生する受光器と、該受
    光器の出力信号に応答して負帰還制御し前記Ｅｒ
    ドープフアイバの前記曲げ損失を変化させる制御
    手段とを備えている請求項１記載の光フアイバ増
    幅器。
JP1990113315U 1990-10-29 1990-10-29 Pending JPH0470632U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990113315U JPH0470632U (ja) 1990-10-29 1990-10-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990113315U JPH0470632U (ja) 1990-10-29 1990-10-29

Publications (1)

Publication Number Publication Date
JPH0470632U true JPH0470632U (ja) 1992-06-23

Family

ID=31860883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990113315U Pending JPH0470632U (ja) 1990-10-29 1990-10-29

Country Status (1)

Country Link
JP (1) JPH0470632U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH065958A (ja) * 1992-06-22 1994-01-14 Matsushita Electric Ind Co Ltd 光ファイバ増幅装置
JP2010140030A (ja) * 2008-12-12 2010-06-24 Samsung Mobile Display Co Ltd レーザーシステム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH065958A (ja) * 1992-06-22 1994-01-14 Matsushita Electric Ind Co Ltd 光ファイバ増幅装置
JP2010140030A (ja) * 2008-12-12 2010-06-24 Samsung Mobile Display Co Ltd レーザーシステム
US8295662B2 (en) 2008-12-12 2012-10-23 Samsung Mobile Display Co., Ltd. Laser system

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