KR940005962A - 광파이버기능소자 및 그의 제조방법 - Google Patents

광파이버기능소자 및 그의 제조방법 Download PDF

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KR940005962A
KR940005962A KR1019930011488A KR930011488A KR940005962A KR 940005962 A KR940005962 A KR 940005962A KR 1019930011488 A KR1019930011488 A KR 1019930011488A KR 930011488 A KR930011488 A KR 930011488A KR 940005962 A KR940005962 A KR 940005962A
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South Korea
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optical fiber
single mode
mode optical
diameter
fiber
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KR1019930011488A
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KR0132579B1 (ko
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시게루 히라이
토시아키 키키이
신지 이시카와
히로 쿠나모리
Original Assignee
쿠라우찌 노리타카
스미도모덴기 고오교오 가부시기가이샤
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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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/27—Optical coupling means with polarisation selective and adjusting means
    • G02B6/2746—Optical coupling means with polarisation selective and adjusting means comprising non-reciprocal devices, e.g. isolators, FRM, circulators, quasi-isolators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0087—Simple or compound lenses with index gradient
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4202—Packages, e.g. shape, construction, internal or external details for coupling an active element with fibres without intermediate optical elements, e.g. fibres with plane ends, fibres with shaped ends, bundles
    • G02B6/4203—Optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • G02F1/095—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect in an optical waveguide structure
    • G02F1/0955—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect in an optical waveguide structure used as non-reciprocal devices, e.g. optical isolators, circulators

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

광파이버시의 광빔을 처리하기 위한 광파이버기능 소자에 있어서, 광빔처리용의 단일모드광파이버의 상호 대향하는 단부면에, 각각 경사형 광파이버로 이루어져 소정의 길이를 지닌 접속형 로드렌즈를 동심적으로 접속한것을 특징으로 한다.

Description

광파이버기능소자 및 그의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제5도(A)는 본 발명의 일실시예인 광파이버기능 소자의 기본 구성을 도시한 도면,
제5도(B)는 제5도(A)의 장치의 단일모드광파이버의 굴절률분포를 도시한 도면,
제5도(C)는 제5도(A)의 장치의 로드렌즈를 굴절률분포를 도시한 도면,
제6도(A)내지 제6도(D)는 본 발명의 광파이버시준기를 제조하는 방법의 순서를 도시한 도면,
제7도는 광파이버시준기의 광전송경로를 개념적으로 도시한 도면,
제8도는 본 발명을 적용한 광이솔레이터의 구성을 도시한 도면.

Claims (13)

  1. 단일모드광파이버와, 경사형광파이버로 이루어져 상기 단일모드광파이버의 단부면에 동심적으로 접속되어 있는 접속형 로드렌즈로 구성된 것을 특징으로 하는 광파이버기능소자.
  2. 광파이버사이의 광빔을 처리하기 위한 광파이버기능 소자에 있어서, 제1경사형광파이버로 이루어진 제1집속형 로드렌즈에 동심적으로 접속된 제1단일모드광파이버와. 제2경사형 광파이버로 이루어진 제2접속형 로드렌즈에 동심적으로 접속된 제2단일모드광파이버를 구비하고, 상기 제1집속형로드뗀즈는 상기 재2집속형 로드렌즈 와 대면하고 있는 것을 특징으로 하는 광파이버기능소자.
  3. 제2항에 있어서, 상기 각 제1및 제2경사형 광파이버의 중심부와 주변부간의 비굴절률차가 7.5%이상 1.5%미만인 것을 특징으로 하는 광파이버기능소자.
  4. 제2항에 있어서, 상기 각 제1및 제2경사형 광파이버의 굴절률 분포가 상기 각 경사형광파이버의 반경의 1. 7승 내지 2.5승의 함수로 표현되는 것을 특징으로 하는 광파이버기능소자.
  5. 제2항에 있어서, 상기 제1및 제2사형 광파이버가 기상축부착법으로 제조된 것을 특징으로 하는 광파이버기능소자.
  6. 광빔처리용의 단일모드광파이버를, 이 단일모드광파이버의 직경이상 그리고 그 단일모드광파이버 직경의 2배이하의 직경을 지닌 경사형 광파이버에 동심적으로 융착접속하는 공정과, 상기 경시형 광파이버를 마무리용 여유분을 포함하는 소정의 길이로 절단하는 공정과, 서로 동심적으로 접속된 상기 단일모드광파이버의 경사형광 파이버를 토명한 유리로 이루어진 폐룰에 의해 유지하는 공정과, 상기 경사형 광파이버가 소정의 길이를 지니도록 상기 페룰에 의해 유지된 상기 경사형광파이 버의 절단면을 광학적으로 연마하는 공정으로 구성된 것을 특징으로 하는 광파이버기능 소자의 제조방법.
  7. 소정 길이의 경사형광파이버와, 상기 경사형광파이버의 양단부에 융착 또는 코넥터결합에 의해 동심적으로 고정된 2개의 단일모드광파이버와, 상기 경사형광파이버의 중간부를 절단에 해 제거함으로써 형성된 시준용의 공간부로 구성된 것을 특징으로 하는 광파이버기능소자.
  8. 제7항에 있어서, 상기 소정 길이는, 상기 절단된 경사형광파이버로 이루어 진 렌즈의 길이의 2배와 상기 공간부의 길이와의 합과 동일한 것을 특징으로 하는 광파이버기능소자.
  9. 제2항에 있어서, 상기 경사형광파이버를 기체의 V자형상 홈에 삽입함으로써, 정렬용 핀을 사용하여 스페이서를 개재해서 상기 경사형 광파이버를 서로 정렬시킨 것을 특징으로 하는 광파이버기능소자.
  10. 제1항에 있어서, 상기 경사형광파이버의 직경은 상기 단일모드광파이버의 직경이상 그리고 그 단일모드광파이버 직경의 2배이하인 것을 특징으로 하는 광파이버기능소자.
  11. 제1항에 있어서, 상기 단일모드광파이버의 직경은 약 125㎛ 내지 250㎛인 것을 특징으로 하는 광파이버기능소자.
  12. 제6항에 있어서, 상기 경사형광파이버의 절단단면을 방전가열에 의해 청정회하는 공정을 또 구비한 것을 특징으로 하는 광파이버기능소자의 제조방법.
  13. 경사헝광파이버를 기체의 V자형상홈에 삽입하는 공정과, 상기 경사형광파이버를 소정의 길이로 절단하는 공정과, 상기 경사형광파이버의 양단부면을 연마해서 경사형파이버렌즈를 형성하는 공정과, 상기 V자형상의 홈에 단일모드광파이버를 고정하여 상기 경사형파이버렌즈에 접속함으로써 상기 단일모드광파이버의 중심부와 상기 경사형광파이버의 중심부를 일치시키는 공정으로 구성된 것을 특징으로 하는 파이버기능 소자의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930011488A 1992-06-24 1993-06-23 광파이버기능소자 및 그의 제조방법 KR0132579B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP92-166395 1992-06-24
JP16639592 1992-06-24
JP92-244795 1992-09-14
JP24479592 1992-09-14

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KR940005962A true KR940005962A (ko) 1994-03-22
KR0132579B1 KR0132579B1 (ko) 1998-04-20

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US (1) US5384874A (ko)
EP (1) EP0575993B1 (ko)
KR (1) KR0132579B1 (ko)
AU (1) AU662984B2 (ko)
CA (1) CA2098903C (ko)
DE (1) DE69331250T2 (ko)

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KR102423722B1 (ko) * 2021-12-08 2022-07-21 삼영이엔씨 (주) 마그네트론 레이더 시스템

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EP0575993A3 (ko) 1994-01-26
US5384874A (en) 1995-01-24
CA2098903C (en) 1999-02-16
DE69331250T2 (de) 2002-06-13
EP0575993A2 (en) 1993-12-29
CA2098903A1 (en) 1993-12-25
KR0132579B1 (ko) 1998-04-20
AU662984B2 (en) 1995-09-21

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