KR100534497B1 - 임의 길이의 인라인 광학 도파관 굴절 인덱스 회절 격자를제조하는 방법 - Google Patents

임의 길이의 인라인 광학 도파관 굴절 인덱스 회절 격자를제조하는 방법 Download PDF

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Publication number
KR100534497B1
KR100534497B1 KR10-2000-7003556A KR20007003556A KR100534497B1 KR 100534497 B1 KR100534497 B1 KR 100534497B1 KR 20007003556 A KR20007003556 A KR 20007003556A KR 100534497 B1 KR100534497 B1 KR 100534497B1
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South Korea
Prior art keywords
waveguide
diffraction grating
refractive index
recording beam
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KR10-2000-7003556A
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Korean (ko)
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KR20010030865A (ko
Inventor
브레난제임스에프.3세
래브레익드웨인엘.
뷰체스네제라드에이.
페핀로날드피.
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미네소타 마이닝 앤드 매뉴팩춰링 캄파니
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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02057Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02123Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
    • G02B6/02147Point by point fabrication, i.e. grating elements induced one step at a time along the fibre, e.g. by scanning a laser beam, arc discharge scanning
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02057Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02123Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
    • G02B6/02133Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating using beam interference
    • G02B6/02138Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating using beam interference based on illuminating a phase mask
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/122Basic optical elements, e.g. light-guiding paths
    • G02B6/124Geodesic lenses or integrated gratings
    • 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
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29316Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
    • G02B6/29317Light guides of the optical fibre type
    • 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
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29379Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
    • G02B6/29392Controlling dispersion
    • G02B6/29394Compensating wavelength dispersion
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B2006/12083Constructional arrangements
    • G02B2006/12107Grating
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B2006/12083Constructional arrangements
    • G02B2006/12109Filter
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B2006/12133Functions
    • G02B2006/12138Sensor
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02057Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/0208Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
    • G02B6/02085Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the grating profile, e.g. chirped, apodised, tilted, helical
    • G02B6/02095Long period gratings, i.e. transmission gratings coupling light between core and cladding modes
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02Optical fibres with cladding with or without a coating
    • G02B6/02057Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02123Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
    • G02B6/02152Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating involving moving the fibre or a manufacturing element, stretching of the fibre
    • 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
    • H01S3/005Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0057Temporal shaping, e.g. pulse compression, frequency chirping

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Integrated Circuits (AREA)
KR10-2000-7003556A 1997-10-02 1998-07-02 임의 길이의 인라인 광학 도파관 굴절 인덱스 회절 격자를제조하는 방법 Expired - Lifetime KR100534497B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/942,590 1997-10-02
US8/942,590 1997-10-02
US08/942,590 US5912999A (en) 1997-10-02 1997-10-02 Method for fabrication of in-line optical waveguide index grating of any length
PCT/US1998/013916 WO1999018462A1 (en) 1997-10-02 1998-07-02 Method for fabrication of in-line optical waveguide refractive index gratings of any length

Publications (2)

Publication Number Publication Date
KR20010030865A KR20010030865A (ko) 2001-04-16
KR100534497B1 true KR100534497B1 (ko) 2005-12-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2000-7003556A Expired - Lifetime KR100534497B1 (ko) 1997-10-02 1998-07-02 임의 길이의 인라인 광학 도파관 굴절 인덱스 회절 격자를제조하는 방법

Country Status (9)

Country Link
US (1) US5912999A (https=)
EP (1) EP1010025B1 (https=)
JP (1) JP2001519540A (https=)
KR (1) KR100534497B1 (https=)
AU (1) AU2701699A (https=)
CA (1) CA2305274C (https=)
DE (1) DE69818688T2 (https=)
TW (1) TW409187B (https=)
WO (1) WO1999018462A1 (https=)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9509874D0 (en) * 1995-05-16 1995-07-12 Univ Southampton Optical waveguide grating
FR2764394B1 (fr) * 1997-06-10 1999-08-06 France Telecom Banc de photoinscription pour la realisation de reseaux de bragg
GB9722549D0 (en) * 1997-10-24 1997-12-24 Univ Southampton Fabricating optical waveguide gratings and/or characterising optical waveguides
US6084995A (en) * 1997-12-19 2000-07-04 Nortel Networks Corporation Reducing scanning errors
US6130973A (en) * 1998-03-26 2000-10-10 Institut National D'optique Method and apparatus for spectrally designing all-fiber filters
CA2241707C (en) * 1998-06-26 2002-04-02 Mark Farries Optical drop circuit having group delay compensation
KR100322121B1 (ko) 1998-10-13 2002-03-08 윤종용 장주기격자필터제조장치
US6163638A (en) * 1998-10-29 2000-12-19 Lucent Technologies Inc. Article comprising an optical pulse compressor
GB2352529B (en) * 1999-05-05 2003-04-23 Furukawa Electric Europ Ltd Optic fibre grating manufactured using phase mask and variable filter
KR100334812B1 (ko) 1999-07-02 2002-05-02 윤종용 아포다이즈드 광섬유 격자 제작장치
US6882477B1 (en) 1999-11-10 2005-04-19 Massachusetts Institute Of Technology Method and system for interference lithography utilizing phase-locked scanning beams
IT1311335B1 (it) * 1999-12-21 2002-03-12 Otc Optical Technologies Ct S Procedimento e dispositivo per realizzare reticoli in fibra ottica.
US6696157B1 (en) 2000-03-05 2004-02-24 3M Innovative Properties Company Diamond-like glass thin films
US6795636B1 (en) 2000-03-05 2004-09-21 3M Innovative Properties Company Radiation-transmissive films on glass articles
US6553163B2 (en) * 2000-03-30 2003-04-22 Corning, Incorporated Method and apparatus for writing a Bragg grating in a waveguide
US6466703B1 (en) 2000-04-07 2002-10-15 Hrl Laboratories, Llc Method and apparatus for electro-optic delay generation of optical signals
US6834134B2 (en) * 2000-04-11 2004-12-21 3M Innovative Properties Company Method and apparatus for generating frequency modulated pulses
AU2001264776A1 (en) * 2000-05-22 2001-12-03 Adc Telecommunications Inc. Polarization control of uv writing
EP1158088A3 (de) * 2000-05-26 2003-01-22 Voith Paper Patent GmbH Verfahren und Vorrichtung zur Behandlung einer Faserstoffsuspension
KR100342532B1 (ko) * 2000-08-04 2002-06-28 윤종용 편광 무의존성 장주기 광섬유 격자 제조 장치
US6483965B1 (en) * 2000-08-11 2002-11-19 Nortel Networks Limited Method of writing a bragg diffraction grating
US6591039B2 (en) * 2000-11-16 2003-07-08 Corning Oil Spa Method and equipment for writing a Bragg grating in a waveguide
JP3813059B2 (ja) * 2000-12-26 2006-08-23 三菱電機株式会社 グレーティングの作製方法
WO2002054631A2 (en) 2000-12-30 2002-07-11 University Of Rochester Device and method for compensating for chromatic dispersion
US6898350B2 (en) * 2001-01-18 2005-05-24 General Dynamics Advanced Information Systems, Inc. Interferometric focusing technique for forming taps in fibers
FR2825150B1 (fr) * 2001-05-28 2003-09-26 Univ Jean Monnet Dispositif de caracterisation de reseaux optiques et procede de fabrication de reseaux optiques avec une frequence spatiale predefinie
JP3754634B2 (ja) * 2001-06-27 2006-03-15 独立行政法人科学技術振興機構 光ファイバーグレーティングの作製方法及び作製装置、光ファイバーグレーティング
CA2354211A1 (en) * 2001-07-26 2003-01-26 Paul Lefebvre Reel to reel manufacturing line
AU2002323522A1 (en) * 2001-08-29 2003-03-18 3M Innovative Properties Company Optical devices using shaped optical fibers and methods for making optical devices with shaped optical fibers
US6842544B2 (en) * 2001-09-14 2005-01-11 E. I. Du Pont De Nemours And Company Method for apodizing a planar waveguide grating
US6882776B2 (en) * 2001-11-06 2005-04-19 Intel Corporation Method and apparatus of a semiconductor-based gain equalization device for optical amplifiers
US6859567B2 (en) * 2001-11-30 2005-02-22 Photintech Inc. In-guide control of optical propagation
US6873762B1 (en) 2002-04-08 2005-03-29 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Fabrication of fiber optic grating apparatus and method
US6904202B1 (en) * 2002-07-31 2005-06-07 Intel Corporation Writing waveguides with an arbitrary Bragg wavelength
US7277604B2 (en) * 2003-12-12 2007-10-02 Lxsix Photonics Inc. Method and apparatus for inducing an index of refraction change on a substrate sensitive to electromagnetic radiation
US7432517B2 (en) * 2004-11-19 2008-10-07 Asml Netherlands B.V. Pulse modifier, lithographic apparatus, and device manufacturing method
US7430376B1 (en) 2004-11-29 2008-09-30 Hrl Laboratories, Llc All-optical delay generator for PPM communication systems based on a non-linear waveguide with a chirped DBR
US7085450B2 (en) * 2004-12-22 2006-08-01 3M Innovative Properties Company Fabrication of structures in an optical substrate
JP2010505135A (ja) * 2006-09-28 2010-02-18 ユニヴェルシテ・ラヴァル 低フォノンエネルギーガラス媒体に永久的に回折格子を書き込むシステムおよび方法
US7414547B2 (en) * 2006-12-22 2008-08-19 3M Innovative Properties Company Method and system for calibrating a rotary encoder and making a high resolution rotary encoder
DE102007035911A1 (de) * 2007-07-27 2009-01-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Herstellen eines Gitters mit Chirp
US8828624B2 (en) * 2009-08-03 2014-09-09 Ipg Photonics Corporation Method and device for fabricating volume Bragg gratings
JP6321647B2 (ja) * 2012-08-08 2018-05-09 オーエフエス ファイテル,エルエルシー ファイバ回折格子の刻印中のビーム障害物の回避
US9568670B2 (en) * 2013-02-21 2017-02-14 Ofs Fitel, Llc Index matched grating inscription
CN112764145A (zh) * 2021-02-01 2021-05-07 西安交通大学 一种基于时序控制的二维光栅高效制造方法
CN114265142B (zh) * 2021-12-17 2023-07-18 中国科学院上海光学精密机械研究所 一种提高超窄带光纤光栅边模抑制比和光谱矩形度的方法
CN114706152B (zh) * 2022-03-15 2023-06-20 清华大学 图案化闪耀光栅的加工方法及系统
CN116299839A (zh) * 2023-02-15 2023-06-23 南京渡盈光电科技有限公司 一种实现任意光谱的啁啾光纤光栅刻写方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5066133A (en) * 1990-10-18 1991-11-19 United Technologies Corporation Extended length embedded Bragg grating manufacturing method and arrangement
US5363239A (en) * 1992-12-23 1994-11-08 At&T Bell Laboratories Method for forming spatially-varying distributed Bragg reflectors in optical media
GB2289771B (en) * 1994-05-26 1997-07-30 Northern Telecom Ltd Forming Bragg gratings in photosensitive waveguides
US5708738A (en) * 1996-03-05 1998-01-13 The United States Of America As Represented By The Secretary Of The Navy Apparatus and process for making fiber optic bragg gratings
GB2316760A (en) * 1996-08-23 1998-03-04 Univ Southampton Fabricating optical waveguide gratings

Also Published As

Publication number Publication date
CA2305274A1 (en) 1999-04-15
US5912999A (en) 1999-06-15
EP1010025B1 (en) 2003-10-01
TW409187B (en) 2000-10-21
DE69818688T2 (de) 2004-08-05
DE69818688D1 (de) 2003-11-06
JP2001519540A (ja) 2001-10-23
AU2701699A (en) 1999-04-27
KR20010030865A (ko) 2001-04-16
WO1999018462A1 (en) 1999-04-15
CA2305274C (en) 2007-09-11
EP1010025A1 (en) 2000-06-21

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