DE3177109D1 - Polarised plane-maintaining optical fiber - Google Patents

Polarised plane-maintaining optical fiber

Info

Publication number
DE3177109D1
DE3177109D1 DE8383111109T DE3177109T DE3177109D1 DE 3177109 D1 DE3177109 D1 DE 3177109D1 DE 8383111109 T DE8383111109 T DE 8383111109T DE 3177109 T DE3177109 T DE 3177109T DE 3177109 D1 DE3177109 D1 DE 3177109D1
Authority
DE
Germany
Prior art keywords
optical fiber
maintaining optical
polarised
plane
polarised plane
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.)
Expired
Application number
DE8383111109T
Other languages
German (de)
Inventor
Hiroyoshi Matsumura
Toshio Katsuyama
Tsuneo Suganuma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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
Priority claimed from JP133080A external-priority patent/JPS5699306A/en
Priority claimed from JP2814980A external-priority patent/JPS56125233A/en
Priority claimed from JP11274180A external-priority patent/JPS5737305A/en
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority claimed from EP81100130A external-priority patent/EP0032390B1/en
Application granted granted Critical
Publication of DE3177109D1 publication Critical patent/DE3177109D1/en
Expired legal-status Critical Current

Links

DE8383111109T 1980-01-11 1981-01-09 Polarised plane-maintaining optical fiber Expired DE3177109D1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP133080A JPS5699306A (en) 1980-01-11 1980-01-11 Single mode optical fiber which preserves plane of polarization
JP2814980A JPS56125233A (en) 1980-03-07 1980-03-07 Manufacture of optical fiber
JP11274180A JPS5737305A (en) 1980-08-18 1980-08-18 Polarization plane preserving optical fiber
EP81100130A EP0032390B1 (en) 1980-01-11 1981-01-09 Method of producing a preform rod for an optical fiber

Publications (1)

Publication Number Publication Date
DE3177109D1 true DE3177109D1 (en) 1989-11-02

Family

ID=27440286

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383111109T Expired DE3177109D1 (en) 1980-01-11 1981-01-09 Polarised plane-maintaining optical fiber

Country Status (1)

Country Link
DE (1) DE3177109D1 (en)

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBEL-HOPF, U., DIPL.-CHEM. DR.RER.NAT. GROENING, H., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN