JPH03127302U - - Google Patents

Info

Publication number
JPH03127302U
JPH03127302U JP3661090U JP3661090U JPH03127302U JP H03127302 U JPH03127302 U JP H03127302U JP 3661090 U JP3661090 U JP 3661090U JP 3661090 U JP3661090 U JP 3661090U JP H03127302 U JPH03127302 U JP H03127302U
Authority
JP
Japan
Prior art keywords
fiber
single mode
multimode
numerical aperture
output
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
JP3661090U
Other languages
Japanese (ja)
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 JP3661090U priority Critical patent/JPH03127302U/ja
Publication of JPH03127302U publication Critical patent/JPH03127302U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Couplings Of Light Guides (AREA)

Description

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

第1図は、本考案によるシングルモード/マル
チモード変換器の概要を示す図、第2図aに示す
のは、上記シングルモード/マルチモード変換器
の具体的構造を示す断面図、第2図bは、同図a
のレンズ配置を示す模式図、第3図は、上記シン
グルモード/マルチモード変換器をSM用OTD
RとMMフアイバとの間に接続した状態を示す図
、第4図は、同使用例によるMMフアイバの損失
をSM用OTDRで測定した結果を示すグラフ、
第5図は、同使用例によるMMフアイバの接続点
損失をSM用OTDRで測定した結果を示すグラ
フ、第6図aは、SM用OTDRにMMフアイバ
を接続した接続点Aを示す図、第6図bは、MM
フアイバ内におけるSMフアイバから入射した光
の伝搬するビーム径を示す図である。 1……SMフアイバ、3,3a,3b……レン
ズ、5……MMフアイバ、9……シングルモード
/マルチモード変換器、30……SM用OTDR
FIG. 1 is a diagram showing an outline of the single mode/multimode converter according to the present invention, FIG. 2a is a sectional view showing the specific structure of the single mode/multimode converter, and FIG. b is the same figure as a
FIG. 3 is a schematic diagram showing the lens arrangement of the above single mode/multimode converter.
FIG. 4 is a graph showing the results of measuring the loss of the MM fiber in the same usage example using an SM OTDR.
Fig. 5 is a graph showing the result of measuring the connection point loss of the MM fiber using the SM OTDR in the same usage example; Fig. 6a is a graph showing the connection point A where the MM fiber is connected to the SM OTDR; Figure 6b shows MM
FIG. 3 is a diagram showing the beam diameter of propagation of light incident from the SM fiber within the fiber. 1...SM fiber, 3, 3a, 3b...lens, 5...MM fiber, 9...single mode/multimode converter, 30...SM OTDR
.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入力ポート18と出力ポート20をそれぞれ備
え、該入力ポートに接続されるシングルモードフ
アイバ1が有する出射開口数を出力ポートに接続
されるマルチモードフアイバ5が有する開口数ま
たはそれ以上に変換するレンズ3を備えたことを
特徴とするシングルモード/マルチモード変換器
A lens 3 that includes an input port 18 and an output port 20, and converts the output numerical aperture of the single mode fiber 1 connected to the input port into the numerical aperture or higher of the multimode fiber 5 connected to the output port. A single mode/multimode converter characterized by being equipped with.
JP3661090U 1990-04-06 1990-04-06 Pending JPH03127302U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3661090U JPH03127302U (en) 1990-04-06 1990-04-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3661090U JPH03127302U (en) 1990-04-06 1990-04-06

Publications (1)

Publication Number Publication Date
JPH03127302U true JPH03127302U (en) 1991-12-20

Family

ID=31542992

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3661090U Pending JPH03127302U (en) 1990-04-06 1990-04-06

Country Status (1)

Country Link
JP (1) JPH03127302U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008538613A (en) * 2004-09-08 2008-10-30 アルカテル−ルーセント Mode converter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57158604A (en) * 1981-03-27 1982-09-30 Nec Corp Light beam converting adaptor
JPS6278506A (en) * 1985-09-30 1987-04-10 Nec Corp Optical connector with beam conversion mechanism
JPH0277703A (en) * 1988-09-14 1990-03-16 Fujitsu Ltd Structure for connecting single mode optical fiber and multimode optical fiber
JPH0293411A (en) * 1988-09-30 1990-04-04 Fujitsu Ltd Mode conversion adapter
JPH0293408A (en) * 1988-09-30 1990-04-04 Fujitsu Ltd Mode conversion adapter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57158604A (en) * 1981-03-27 1982-09-30 Nec Corp Light beam converting adaptor
JPS6278506A (en) * 1985-09-30 1987-04-10 Nec Corp Optical connector with beam conversion mechanism
JPH0277703A (en) * 1988-09-14 1990-03-16 Fujitsu Ltd Structure for connecting single mode optical fiber and multimode optical fiber
JPH0293411A (en) * 1988-09-30 1990-04-04 Fujitsu Ltd Mode conversion adapter
JPH0293408A (en) * 1988-09-30 1990-04-04 Fujitsu Ltd Mode conversion adapter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008538613A (en) * 2004-09-08 2008-10-30 アルカテル−ルーセント Mode converter

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