NO904677D0 - Aktiv fiberoptisk forsterker med bredbaandet signalboelgelengde. - Google Patents

Aktiv fiberoptisk forsterker med bredbaandet signalboelgelengde.

Info

Publication number
NO904677D0
NO904677D0 NO904677A NO904677A NO904677D0 NO 904677 D0 NO904677 D0 NO 904677D0 NO 904677 A NO904677 A NO 904677A NO 904677 A NO904677 A NO 904677A NO 904677 D0 NO904677 D0 NO 904677D0
Authority
NO
Norway
Prior art keywords
fiberoptical
taped
amplifier
wide
active
Prior art date
Application number
NO904677A
Other languages
English (en)
Other versions
NO303035B1 (no
NO904677L (no
Inventor
Giorgio Grasso
Aldo Righetti
Flavio Fontana
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 NO904677D0 publication Critical patent/NO904677D0/no
Publication of NO904677L publication Critical patent/NO904677L/no
Publication of NO303035B1 publication Critical patent/NO303035B1/no

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES 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
    • H01S2301/00—Functional characteristics
    • H01S2301/04—Gain spectral shaping, flattening
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/1691—Solid materials characterised by additives / sensitisers / promoters as further dopants
    • H01S3/1698—Solid materials characterised by additives / sensitisers / promoters as further dopants rare earth

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Communication System (AREA)
  • Glass Compositions (AREA)
NO904677A 1989-10-30 1990-10-29 Optisk forsterker med aktiv fiber og bredbÕndet signalb÷lgelengde NO303035B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02219789A IT1237136B (it) 1989-10-30 1989-10-30 Amplificatore ottico a fibra attiva a larga banda di lunghezza d'onda di segnale.

Publications (3)

Publication Number Publication Date
NO904677D0 true NO904677D0 (no) 1990-10-29
NO904677L NO904677L (no) 1991-05-02
NO303035B1 NO303035B1 (no) 1998-05-18

Family

ID=11192916

Family Applications (1)

Application Number Title Priority Date Filing Date
NO904677A NO303035B1 (no) 1989-10-30 1990-10-29 Optisk forsterker med aktiv fiber og bredbÕndet signalb÷lgelengde

Country Status (26)

Country Link
EP (1) EP0426222B1 (no)
JP (1) JPH0797686B2 (no)
KR (1) KR940005757B1 (no)
CN (1) CN1024612C (no)
AR (1) AR243710A1 (no)
AT (1) ATE100641T1 (no)
AU (1) AU638062B2 (no)
BR (1) BR9005622A (no)
CA (1) CA2028714C (no)
CZ (1) CZ283652B6 (no)
DE (1) DE69006172T2 (no)
DK (1) DK0426222T3 (no)
ES (1) ES2050355T3 (no)
FI (1) FI97492C (no)
HK (1) HK111294A (no)
HU (1) HU209213B (no)
ID (1) ID863B (no)
IE (1) IE65509B1 (no)
IT (1) IT1237136B (no)
MX (1) MX172320B (no)
MY (1) MY106571A (no)
NO (1) NO303035B1 (no)
PL (1) PL164864B1 (no)
PT (1) PT95724B (no)
RU (1) RU2015125C1 (no)
SK (1) SK280515B6 (no)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260823A (en) * 1990-05-21 1993-11-09 University Of Southampton Erbium-doped fibre amplifier with shaped spectral gain
GB2246234A (en) * 1990-05-21 1992-01-22 Univ Southampton Optical amplifier with shaped spectral gain
US5216728A (en) * 1991-06-14 1993-06-01 Corning Incorporated Optical fiber amplifier with filter
US5131069A (en) * 1991-08-12 1992-07-14 Corning Incorporated Fiber amplifier having modified gain spectrum
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
JP3556379B2 (ja) 1996-03-07 2004-08-18 富士通株式会社 光伝送システム
KR20000074483A (ko) * 1999-05-21 2000-12-15 김효근 코어에 어븀이 도핑된 광섬유의 클래드 영역에 사마리움을 첨가하는 방법
JP2003142759A (ja) 2001-11-06 2003-05-16 Toshiba Corp ファイバレーザ装置およびそれを用いた映像表示装置
GB2521156A (en) * 2013-12-10 2015-06-17 Fibercore Ltd Optical transmission

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3599114A (en) * 1968-04-30 1971-08-10 American Optical Corp Laser constructions
BE756142A (fr) * 1969-09-22 1971-02-15 Westinghouse Electric Corp Nouveaux lasers
JPS61151039A (ja) * 1984-12-26 1986-07-09 Nippon Sekiei Glass Kk 石英レ−ザ−ガラス
GB8813769D0 (en) * 1988-06-10 1988-07-13 Pirelli General Plc Optical fibre

Also Published As

Publication number Publication date
IT8922197A0 (it) 1989-10-30
HK111294A (en) 1994-10-21
EP0426222B1 (en) 1994-01-19
CZ283652B6 (cs) 1998-05-13
IT1237136B (it) 1993-05-24
RU2015125C1 (ru) 1994-06-30
ES2050355T3 (es) 1994-05-16
JPH03263889A (ja) 1991-11-25
IE903837A1 (en) 1991-05-08
CS529490A3 (en) 1992-06-17
PT95724A (pt) 1992-06-30
JPH0797686B2 (ja) 1995-10-18
DK0426222T3 (da) 1994-05-30
PL164864B1 (pl) 1994-10-31
PL287578A1 (en) 1991-07-29
FI97492B (fi) 1996-09-13
MX172320B (es) 1993-12-13
FI905339A0 (fi) 1990-10-29
FI97492C (fi) 1996-12-27
SK280515B6 (sk) 2000-03-13
NO303035B1 (no) 1998-05-18
KR910008432A (ko) 1991-05-31
EP0426222A3 (en) 1991-08-21
HU906943D0 (en) 1991-05-28
NO904677L (no) 1991-05-02
HUT57913A (en) 1991-12-30
DE69006172D1 (de) 1994-03-03
AU6459090A (en) 1991-05-02
DE69006172T2 (de) 1994-08-04
BR9005622A (pt) 1991-09-17
IE65509B1 (en) 1995-11-01
IT8922197A1 (it) 1991-04-30
MY106571A (en) 1995-06-30
ATE100641T1 (de) 1994-02-15
CN1024612C (zh) 1994-05-18
EP0426222A2 (en) 1991-05-08
AU638062B2 (en) 1993-06-17
ID863B (id) 1996-08-07
PT95724B (pt) 1998-07-31
CA2028714A1 (en) 1991-05-01
HU209213B (en) 1994-03-28
AR243710A1 (es) 1993-08-31
CN1052223A (zh) 1991-06-12
KR940005757B1 (ko) 1994-06-23
CA2028714C (en) 1998-04-07

Similar Documents

Publication Publication Date Title
NO903536D0 (no) Optisk forsterker med aktiv dobbeltkjernefiber og med bredbaandet signalboelgelengde.
IT1215681B (it) Amplificazione di segnali ottici.
DE3874701D1 (de) Faserlaser und verstaerker.
DE3586081D1 (de) Tonsignalbehandlungsvorrichtung.
NO904934L (no) Forsterker for bredbÕnds-hyperfrekvenssignaler
KR900002541A (ko) 증폭기
DE69019867D1 (de) Abfühlverstärker.
DE68927535D1 (de) Verstärker
DE69022108D1 (de) Verstärkeranordnung.
DE68918667D1 (de) Regelbarer Verstärker.
FI904584A0 (fi) Aktiv matrisvaetskekristalldisplay.
NO904677D0 (no) Aktiv fiberoptisk forsterker med bredbaandet signalboelgelengde.
DE69025875D1 (de) Leseverstärker
FI880492A (fi) Synkroniseringssystem foer en halvdigital signal.
NO892382D0 (no) Fiberoptisk forsterker.
DE68915221T2 (de) Verstärker.
DE68919494T2 (de) Operationsverstärker.
DE3882942D1 (de) Abfuehlverstaerker.
DE68921230T2 (de) Optisch-aktive Pyridylethanol-Derivate.
NO891422D0 (no) Fremgangsmaate for reduksjon av signalstoey.
ATA58988A (de) Optisch aktive oxo-isoindolinylderivate
DE68917356D1 (de) Breitbandverstärker.
DE3876398D1 (de) Wellenleitersensor.
ATE83075T1 (de) Wellenleitersensor.
SU1543920A1 (ru) Электропневмогидравлический усилитель

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN APRIL 2003