JPS612609U - Polarization maintaining optical fiber collimator - Google Patents

Polarization maintaining optical fiber collimator

Info

Publication number
JPS612609U
JPS612609U JP8603284U JP8603284U JPS612609U JP S612609 U JPS612609 U JP S612609U JP 8603284 U JP8603284 U JP 8603284U JP 8603284 U JP8603284 U JP 8603284U JP S612609 U JPS612609 U JP S612609U
Authority
JP
Japan
Prior art keywords
optical fiber
polarization
maintaining optical
collimator
lens
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.)
Granted
Application number
JP8603284U
Other languages
Japanese (ja)
Other versions
JPH036884Y2 (en
Inventor
寿夫 飯塚
則文 椎名
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 JP8603284U priority Critical patent/JPS612609U/en
Publication of JPS612609U publication Critical patent/JPS612609U/en
Application granted granted Critical
Publication of JPH036884Y2 publication Critical patent/JPH036884Y2/ja
Granted 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 drawings]

第１図は従来の偏波面保存光ファイバコリメータの横断
面図、第２図は従来のコリメータの半球レンズめ消光比
特性を示す線図、第３図は本考案の偏波面保存光ファイ
バの一実施例を示す半球レンズ部の横断面図である。 １；本体、３；偏波面保存光ファイバ、４；光ファイバ
固定治具、５；Ｃリング、６；袋ナット、７；中空部ミ
８；半球レンズ、１２；半球レンズホルダ、１２；屈
折率整合材。Figure 1 is a cross-sectional view of a conventional polarization-maintaining optical fiber collimator, Figure 2 is a diagram showing the extinction ratio characteristics of the hemispherical lens of the conventional collimator, and Figure 3 is a cross-sectional view of a polarization-maintaining optical fiber of the present invention. FIG. 3 is a cross-sectional view of a hemispherical lens portion showing an example. 1; Main body, 3; Polarization preserving optical fiber, 4; Optical fiber fixing jig, 5; C ring, 6; Cap nut, 7; Hollow portion 8; Hemispherical lens, 12; Hemispherical lens holder, 12; Refractive index Consistent material.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）偏波面保存光ファイバからの出射光を平行光：：
二．：：票二＝；冑＝ てなる偏波面保存光ファイバコリメータにおいて、前記
半球レンズとして曲率半径２〜５ＷｒＬのものを用い、
外半球レンズの曲率半径をＲ１前記半球．レンズ内を光
が通過する半球をｒとしたとき、前記半球レンズをｒ
＜ｒ’ ＜ Ｈの半径ｒ′の：′：：セ＝３ご工： ズホルダに固定し、該半球一ンズホルダを他端に前記偏
波面保存光ファイバの出射端が光ファイバ固定治具とと
もに装着してある中空円筒体からなるコリメータ本体に
固定した構成としてあることを特徴どする偏波面保存光
ファイバコ リメータ。(1) Parallel light emitted from a polarization-maintaining optical fiber::
two. ::vote 2=;冑= In the polarization preserving optical fiber collimator, the hemispherical lens has a radius of curvature of 2 to 5 WrL,
The radius of curvature of the outer hemisphere lens is R1 the hemisphere. When the hemisphere through which light passes through the lens is r, the hemispherical lens is r
<r'< H radius r':'::ce=3 Instructions: Fix it to the lens holder, and attach the output end of the polarization-maintaining optical fiber to the other end of the hemispherical lens holder together with the optical fiber fixing jig. A polarization-maintaining optical fiber collimator, characterized in that it is fixed to a collimator body made of a hollow cylindrical body. （２）前記コリメータ本体の中空部の前記半球レンズと
前記偏波面保存光ファイバの出射短面との間には屈折率
整合材を充填してある実用新案登録請求の範囲第１項記
載の偏波面保存光ファイバコリメータ。(2) A refractive index matching material is filled between the hemispherical lens in the hollow part of the collimator body and the output short face of the polarization maintaining optical fiber. Wavefront preserving fiber optic collimator.
JP8603284U 1984-06-08 1984-06-08 Polarization maintaining optical fiber collimator Granted JPS612609U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8603284U JPS612609U (en) 1984-06-08 1984-06-08 Polarization maintaining optical fiber collimator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8603284U JPS612609U (en) 1984-06-08 1984-06-08 Polarization maintaining optical fiber collimator

Publications (2)

Publication Number Publication Date
JPS612609U true JPS612609U (en) 1986-01-09
JPH036884Y2 JPH036884Y2 (en) 1991-02-21

Family

ID=30636962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8603284U Granted JPS612609U (en) 1984-06-08 1984-06-08 Polarization maintaining optical fiber collimator

Country Status (1)

Country Link
JP (1) JPS612609U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0615012U (en) * 1992-06-30 1994-02-25 ホーヤ株式会社 Optical coupling device
JP2004119045A (en) * 2002-09-24 2004-04-15 Osram-Melco Ltd Lighting apparatus
JP2007333798A (en) * 2006-06-12 2007-12-27 Nippon Electric Glass Co Ltd Optical device and lens assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0615012U (en) * 1992-06-30 1994-02-25 ホーヤ株式会社 Optical coupling device
JP2004119045A (en) * 2002-09-24 2004-04-15 Osram-Melco Ltd Lighting apparatus
JP2007333798A (en) * 2006-06-12 2007-12-27 Nippon Electric Glass Co Ltd Optical device and lens assembly

Also Published As

Publication number Publication date
JPH036884Y2 (en) 1991-02-21

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