FI20021580A0 - Menetelmä ja laite spektristä suodatusta varten - Google Patents

Menetelmä ja laite spektristä suodatusta varten

Info

Publication number
FI20021580A0
FI20021580A0 FI20021580A FI20021580A FI20021580A0 FI 20021580 A0 FI20021580 A0 FI 20021580A0 FI 20021580 A FI20021580 A FI 20021580A FI 20021580 A FI20021580 A FI 20021580A FI 20021580 A0 FI20021580 A0 FI 20021580A0
Authority
FI
Finland
Prior art keywords
fiber
length
whole
over
optical
Prior art date
Application number
FI20021580A
Other languages
English (en)
Swedish (sv)
Other versions
FI115253B (fi
FI20021580A (fi
Inventor
Simo Tammela
Original Assignee
Liekki Oy
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 Liekki Oy filed Critical Liekki Oy
Priority to FI20021580A priority Critical patent/FI115253B/fi
Publication of FI20021580A0 publication Critical patent/FI20021580A0/fi
Priority to PCT/FI2003/000646 priority patent/WO2004023182A1/en
Priority to DE60317216T priority patent/DE60317216T2/de
Priority to EP03793833A priority patent/EP1540396B1/en
Priority to US10/526,667 priority patent/US7218823B2/en
Priority to AT03793833T priority patent/ATE377204T1/de
Priority to AU2003258751A priority patent/AU2003258751A1/en
Publication of FI20021580A publication Critical patent/FI20021580A/fi
Application granted granted Critical
Publication of FI115253B publication Critical patent/FI115253B/fi

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03605—Highest refractive index not on central axis
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03627—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
    • G02B6/02085—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the grating profile, e.g. chirped, apodised, tilted, helical
    • G02B2006/0209—Helical, chiral gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02052—Optical fibres with cladding with or without a coating comprising optical elements other than gratings, e.g. filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Eye Examination Apparatus (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Optical Filters (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
FI20021580A 2002-09-04 2002-09-04 Menetelmä ja laite spektristä suodatusta varten FI115253B (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI20021580A FI115253B (fi) 2002-09-04 2002-09-04 Menetelmä ja laite spektristä suodatusta varten
PCT/FI2003/000646 WO2004023182A1 (en) 2002-09-04 2003-09-04 Method and device for spectral filtering
DE60317216T DE60317216T2 (de) 2002-09-04 2003-09-04 Verfahren und einrichtung zur spektralen filterung
EP03793833A EP1540396B1 (en) 2002-09-04 2003-09-04 Method and device for spectral filtering
US10/526,667 US7218823B2 (en) 2002-09-04 2003-09-04 Method and device for spectral filtering
AT03793833T ATE377204T1 (de) 2002-09-04 2003-09-04 Verfahren und einrichtung zur spektralen filterung
AU2003258751A AU2003258751A1 (en) 2002-09-04 2003-09-04 Method and device for spectral filtering

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20021580A FI115253B (fi) 2002-09-04 2002-09-04 Menetelmä ja laite spektristä suodatusta varten
FI20021580 2002-09-04

Publications (3)

Publication Number Publication Date
FI20021580A0 true FI20021580A0 (fi) 2002-09-04
FI20021580A FI20021580A (fi) 2004-03-05
FI115253B FI115253B (fi) 2005-03-31

Family

ID=8564527

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20021580A FI115253B (fi) 2002-09-04 2002-09-04 Menetelmä ja laite spektristä suodatusta varten

Country Status (7)

Country Link
US (1) US7218823B2 (fi)
EP (1) EP1540396B1 (fi)
AT (1) ATE377204T1 (fi)
AU (1) AU2003258751A1 (fi)
DE (1) DE60317216T2 (fi)
FI (1) FI115253B (fi)
WO (1) WO2004023182A1 (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI263039B (en) * 2004-11-29 2006-10-01 Asia Optical Co Inc Wavelength measuring device and method thereof
US8737777B2 (en) * 2012-01-03 2014-05-27 Xyratex Technology Limited Optical waveguide and a method for making an optical waveguide
WO2017027862A1 (en) * 2015-08-13 2017-02-16 Nufern Mode mixing optical fibers and methods and systems using the same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488792A (en) * 1973-09-06 1977-10-12 Jenkins R Optical dielectric waveguides
US4038062A (en) * 1976-03-25 1977-07-26 Bell Telephone Laboratories, Incorporated Method and apparatus for introducing geometrical perturbations in optical fiber waveguides
US4372645A (en) * 1978-03-10 1983-02-08 Bell Telephone Laboratories, Incorporated Optical fiber with enhanced mode coupling
GB8432402D0 (en) * 1984-12-21 1985-02-06 Birch R D Optical fibres
DE4134959A1 (de) 1991-10-23 1993-04-29 Bundesrep Deutschland Wellenlaengenfilter fuer lichtwellenleiter
US5615295A (en) * 1994-09-14 1997-03-25 The Furukawa Electric Co., Ltd. Optical fiber and process of producing the same
FR2724735B1 (fr) 1994-09-21 1996-12-06 Grosso Philippe Coupleur optique selectif en longueur d'onde, a fibre optique multicoeurs
US5892615A (en) * 1997-03-17 1999-04-06 Sdl, Inc. Output power enhancement in optical fiber lasers
US6192179B1 (en) 1999-01-25 2001-02-20 Corning Incorporated Distributed resonant ring fiber filter
DE10354008A1 (de) * 2003-11-19 2005-06-09 Diemount Gmbh Verfahren zum Erzeugen von Planflächen am Umfang optischer Polymerfasern runden Querschnitts
US7424193B2 (en) * 2004-07-14 2008-09-09 The Regents Of The University Of Michigan Composite waveguide

Also Published As

Publication number Publication date
US20050254761A1 (en) 2005-11-17
US7218823B2 (en) 2007-05-15
AU2003258751A1 (en) 2004-03-29
DE60317216D1 (de) 2007-12-13
EP1540396A1 (en) 2005-06-15
DE60317216T2 (de) 2008-08-14
FI115253B (fi) 2005-03-31
WO2004023182A1 (en) 2004-03-18
ATE377204T1 (de) 2007-11-15
FI20021580A (fi) 2004-03-05
EP1540396B1 (en) 2007-10-31

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