JPS60191028U - Fiber optic phase modulator - Google Patents

Fiber optic phase modulator

Info

Publication number
JPS60191028U
JPS60191028U JP7965984U JP7965984U JPS60191028U JP S60191028 U JPS60191028 U JP S60191028U JP 7965984 U JP7965984 U JP 7965984U JP 7965984 U JP7965984 U JP 7965984U JP S60191028 U JPS60191028 U JP S60191028U
Authority
JP
Japan
Prior art keywords
refractive index
optical fibers
anisotropy
whose principal
phase modulator
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
JP7965984U
Other languages
Japanese (ja)
Other versions
JPH026425Y2 (en
Inventor
啓郎 小松
Original Assignee
日本電気株式会社
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 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP7965984U priority Critical patent/JPS60191028U/en
Publication of JPS60191028U publication Critical patent/JPS60191028U/en
Application granted granted Critical
Publication of JPH026425Y2 publication Critical patent/JPH026425Y2/ja
Granted legal-status Critical Current

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  • Light Guides In General And Applications Therefor (AREA)

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) [Abstract] 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図は円筒状圧電素子に1本の偏波保存ファイバを巻
きつけた光フアイバ型位相変調器の公知例を示す図、第
2図は本考案による温度補償を施した光フアイバ型位相
変調器の詳細を示す図である。 11.21.22:偏波保存光ファイバ、12:円筒状
圧電素子、23:板状圧電素子。
Figure 1 shows a known example of an optical fiber type phase modulator in which a single polarization maintaining fiber is wound around a cylindrical piezoelectric element, and Figure 2 shows an optical fiber type phase modulator with temperature compensation according to the present invention. It is a figure showing the details of a container. 11.21.22: Polarization maintaining optical fiber, 12: Cylindrical piezoelectric element, 23: Plate piezoelectric element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光透過方向と直交する方向に屈折率の異方性を有する複
数本の光ファイバと該光ファイバに伸びまたは圧力を印
加する手段とを備え、前記複数本の光ファイバは屈折率
の異方性の主軸を一定方向に向けたものとこの一定方向
に対して90°傾けたものを含むようにして光透過方向
に直列接続されかつ、屈折率の異方性の主軸が一定の方
向に向いている各光ファイバの長さの和と屈折率の異方
性の主軸が前記一定方向に対して90°傾いている各光
ファイバの長さの和が等しくなるようになっていること
を特徴とする光フアイバ型位相変調器。
The plurality of optical fibers have an anisotropy of refractive index in a direction perpendicular to the light transmission direction, and means for stretching or applying pressure to the optical fibers, the plurality of optical fibers having anisotropy of refractive index The main axes of the anisotropic refractive indexes are connected in series in the light transmission direction, including those whose principal axes are oriented in a certain direction and those whose principal axes are oriented at 90 degrees with respect to this certain direction, and whose principal axes of refractive index anisotropy are oriented in a certain direction. A light characterized in that the sum of the lengths of the optical fibers is equal to the sum of the lengths of each optical fiber whose principal axis of refractive index anisotropy is inclined at 90 degrees with respect to the certain direction. Fiber phase modulator.
JP7965984U 1984-05-30 1984-05-30 Fiber optic phase modulator Granted JPS60191028U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7965984U JPS60191028U (en) 1984-05-30 1984-05-30 Fiber optic phase modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7965984U JPS60191028U (en) 1984-05-30 1984-05-30 Fiber optic phase modulator

Publications (2)

Publication Number Publication Date
JPS60191028U true JPS60191028U (en) 1985-12-18
JPH026425Y2 JPH026425Y2 (en) 1990-02-16

Family

ID=30624780

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7965984U Granted JPS60191028U (en) 1984-05-30 1984-05-30 Fiber optic phase modulator

Country Status (1)

Country Link
JP (1) JPS60191028U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016121880A1 (en) * 2015-01-29 2016-08-04 株式会社 東芝 Temperature compensating element and light sensor system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016121880A1 (en) * 2015-01-29 2016-08-04 株式会社 東芝 Temperature compensating element and light sensor system

Also Published As

Publication number Publication date
JPH026425Y2 (en) 1990-02-16

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