FI910573A - Optisk fiberfoerstarkare, med dubbla kaerndelar, i vilken foerekommer ett brett signalvaoglaengsband. - Google Patents

Optisk fiberfoerstarkare, med dubbla kaerndelar, i vilken foerekommer ett brett signalvaoglaengsband. Download PDF

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Publication number
FI910573A
FI910573A FI910573A FI910573A FI910573A FI 910573 A FI910573 A FI 910573A FI 910573 A FI910573 A FI 910573A FI 910573 A FI910573 A FI 910573A FI 910573 A FI910573 A FI 910573A
Authority
FI
Finland
Prior art keywords
signalvaoglaengsband
brett
conditioning
difficult
fixed rods
Prior art date
Application number
FI910573A
Other languages
English (en)
Other versions
FI910573A0 (fi
FI104293B (fi
FI104293B1 (fi
Inventor
Giorgio Grasso
Paul Laurence Scrivener
Original Assignee
Pirelli Cavi Spa
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 Pirelli Cavi Spa filed Critical Pirelli Cavi Spa
Publication of FI910573A0 publication Critical patent/FI910573A0/fi
Publication of FI910573A publication Critical patent/FI910573A/fi
Application granted granted Critical
Publication of FI104293B publication Critical patent/FI104293B/fi
Publication of FI104293B1 publication Critical patent/FI104293B1/fi

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06754Fibre amplifiers
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2821Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
    • G02B6/2826Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing
    • G02B6/283Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing couplers being tunable or adjustable
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2821Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
    • G02B6/2835Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06708Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2821Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
    • G02B6/2835Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers
    • G02B2006/2839Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers fabricated from double or twin core fibres
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S2301/00Functional characteristics
    • H01S2301/02ASE (amplified spontaneous emission), noise; Reduction thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06708Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06729Peculiar transverse fibre profile

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
FI910573A 1990-02-07 1991-02-06 Optinen aktiivikuituvahvistin, jossa on kaksoisytimiset osat, joissa on laaja signaaliaallonpituuskaista FI104293B1 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT01928090A IT1237970B (it) 1990-02-07 1990-02-07 Amplificatore ottico a fibra attiva,con porzioni a doppio nucleo,a larga banda di lunghezza d'onda di segnale
IT1928090 1990-02-07

Publications (4)

Publication Number Publication Date
FI910573A0 FI910573A0 (fi) 1991-02-06
FI910573A true FI910573A (fi) 1991-08-08
FI104293B FI104293B (fi) 1999-12-15
FI104293B1 FI104293B1 (fi) 1999-12-15

Family

ID=11156365

Family Applications (1)

Application Number Title Priority Date Filing Date
FI910573A FI104293B1 (fi) 1990-02-07 1991-02-06 Optinen aktiivikuituvahvistin, jossa on kaksoisytimiset osat, joissa on laaja signaaliaallonpituuskaista

Country Status (29)

Country Link
EP (1) EP0441211B1 (fi)
JP (2) JP3045550B2 (fi)
KR (1) KR0179024B1 (fi)
CN (1) CN1023348C (fi)
AR (1) AR246642A1 (fi)
AT (1) ATE113419T1 (fi)
AU (1) AU646238B2 (fi)
BR (1) BR9100626A (fi)
CA (1) CA2035804C (fi)
CZ (1) CZ280565B6 (fi)
DE (1) DE69104738T2 (fi)
DK (1) DK0441211T3 (fi)
ES (1) ES2065555T3 (fi)
FI (1) FI104293B1 (fi)
HK (1) HK100195A (fi)
HU (1) HU212954B (fi)
IE (1) IE66727B1 (fi)
IT (1) IT1237970B (fi)
LT (1) LT3572B (fi)
LV (1) LV10984B (fi)
MY (1) MY106104A (fi)
NO (1) NO303956B1 (fi)
NZ (1) NZ237031A (fi)
PL (1) PL165200B1 (fi)
PT (1) PT96683B (fi)
RU (1) RU2063105C1 (fi)
SK (1) SK278932B6 (fi)
TW (1) TW198100B (fi)
UA (1) UA25931A1 (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2265751B (en) * 1992-03-23 1995-12-20 Univ Southampton Optical amplifier with automatic self adjusting gain spectrum
IT1270032B (it) * 1994-04-14 1997-04-28 Pirelli Cavi Spa Sistema di telecomunicazione amplificata a multiplazione a divisione di lunghezza d'onda
IT1273676B (it) 1994-07-25 1997-07-09 Pirelli Cavi Spa Sistema di telecomunicazione amplificata a multiplazione a divisione di lunghezza d'onda,con potenza di ricezione equalizzata
FR2822313B1 (fr) * 2001-03-16 2003-07-25 Highwave Optical Tech Composant optique a base de fibre bi-coeur avec entrees/sorties en fibres mono-coeur
CN1325991C (zh) * 2003-11-14 2007-07-11 中国科学院上海光学精密机械研究所 双芯双包层光纤二波长光放大装置
EP1942083A1 (en) * 2006-12-07 2008-07-09 Datwyler Fiber Optics S.A. Method and apparatus for fabricating a preform for an active optical fiber, active optical fiber and amplifier
KR102428755B1 (ko) * 2017-11-24 2022-08-02 엘지디스플레이 주식회사 파장 변환이 가능한 광섬유 및 이를 사용하는 백라이트 유닛
DE102019114974A1 (de) * 2019-06-04 2020-12-10 Friedrich-Schiller-Universität Jena Lichtwellenleiter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4315666A (en) * 1979-03-19 1982-02-16 Hicks Jr John W Coupled communications fibers
US4546476A (en) * 1982-12-10 1985-10-08 The Board Of Trustees Of The Leland Stanford Junior University Fiber optic amplifier
WO1986002171A1 (en) * 1984-10-01 1986-04-10 Polaroid Corporation Optical waveguide amplifier and laser
US4883335A (en) * 1986-01-06 1989-11-28 American Telephone And Telegraph Company Single-mode optical fiber tap
JPH0740617B2 (ja) * 1986-08-08 1995-05-01 日本電信電話株式会社 光フアイバレ−ザ

Also Published As

Publication number Publication date
IT9019280A1 (it) 1991-08-08
EP0441211A2 (en) 1991-08-14
CA2035804C (en) 1998-12-01
KR0179024B1 (ko) 1999-05-15
NO910461D0 (no) 1991-02-06
UA25931A1 (uk) 1999-02-26
FI910573A0 (fi) 1991-02-06
CZ280565B6 (cs) 1996-02-14
IT1237970B (it) 1993-06-19
ATE113419T1 (de) 1994-11-15
AU646238B2 (en) 1994-02-17
DE69104738D1 (de) 1994-12-01
HK100195A (en) 1995-06-30
FI104293B (fi) 1999-12-15
IE904570A1 (en) 1991-08-14
IE66727B1 (en) 1996-01-24
IT9019280A0 (it) 1990-02-07
SK278932B6 (sk) 1998-04-08
LV10984B (en) 1996-02-20
AU7080891A (en) 1991-08-08
ES2065555T3 (es) 1995-02-16
KR910015872A (ko) 1991-09-30
HU910401D0 (en) 1991-08-28
RU2063105C1 (ru) 1996-06-27
CN1023348C (zh) 1993-12-29
PT96683B (pt) 1998-08-31
JP3045550B2 (ja) 2000-05-29
PL165200B1 (pl) 1994-11-30
NZ237031A (en) 1994-08-26
CS9100283A2 (en) 1991-09-15
MY106104A (en) 1995-03-31
CA2035804A1 (en) 1991-08-08
DE69104738T2 (de) 1995-05-11
JP2000106465A (ja) 2000-04-11
EP0441211B1 (en) 1994-10-26
NO303956B1 (no) 1998-09-28
NO910461L (no) 1991-08-08
FI104293B1 (fi) 1999-12-15
LT3572B (en) 1995-12-27
DK0441211T3 (da) 1995-04-24
JP3240302B2 (ja) 2001-12-17
TW198100B (fi) 1993-01-11
BR9100626A (pt) 1991-10-29
PT96683A (pt) 1992-12-31
HUT60551A (en) 1992-09-28
PL288961A1 (en) 1991-10-21
AR246642A1 (es) 1994-08-31
HU212954B (en) 1996-12-30
CN1054670A (zh) 1991-09-18
LTIP1607A (en) 1995-07-25
LV10984A (lv) 1995-12-20
EP0441211A3 (en) 1992-12-02
JPH0774414A (ja) 1995-03-17

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