KR970060757A - 광섬유증폭기 - Google Patents

광섬유증폭기 Download PDF

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Publication number
KR970060757A
KR970060757A KR1019960001913A KR19960001913A KR970060757A KR 970060757 A KR970060757 A KR 970060757A KR 1019960001913 A KR1019960001913 A KR 1019960001913A KR 19960001913 A KR19960001913 A KR 19960001913A KR 970060757 A KR970060757 A KR 970060757A
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KR
South Korea
Prior art keywords
optical
optical filter
wavelength
filter
optical fiber
Prior art date
Application number
KR1019960001913A
Other languages
English (en)
Other versions
KR100194421B1 (ko
Inventor
박찬식
홍미영
Original Assignee
김광호
삼성전자 주식회사
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 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019960001913A priority Critical patent/KR100194421B1/ko
Priority to IN26CA1997 priority patent/IN190931B/en
Priority to DE19702891A priority patent/DE19702891C2/de
Priority to GB9701642A priority patent/GB2309578B/en
Priority to CN97101816A priority patent/CN1081838C/zh
Priority to JP9015445A priority patent/JPH09214036A/ja
Priority to US08/792,679 priority patent/US5808788A/en
Priority to FR9700940A priority patent/FR2744307B1/fr
Publication of KR970060757A publication Critical patent/KR970060757A/ko
Application granted granted Critical
Publication of KR100194421B1 publication Critical patent/KR100194421B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
    • 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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
    • H01S3/10023—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors
    • 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
    • H01S3/06754—Fibre amplifiers
    • 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
    • H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Lasers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Communication System (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야.
출력파장을 광송신부의 과원파장과 일치시키기 위한 광필터를 가지는 전단 광섬유증폭기에 관한 것이다.
2. 발명이 해결하려고 하는 기술적 과제;
신뢰성이 향상되고 파장천이를 최소화 할수 있는 광필터를 가지는 광섬유증폭기를 제공함에 있다
3. 발명의 해결방법의 요지;
광섬유 증폭기에 있어서, 역류하는 광을 차단하기 위한 광아이솔레이터와, 출력신호 세기를 감시하기 위한 출력단 탭 사이에 접속되고, 특정 파장대역만을 통과시키는 광필터를 가지는 것을 요지로 한다.
4. 발명의 중요한 용도;
광섬유증폭기에 적합하다.

Description

광섬유증폭기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명에 따른 광대역 파장대의 광필터를 사용한 전단 광섬유증폭기를 보인 도면.
제3도는 본 발명에 따른 인라인 광대역 광필터의 구조를 보인 도면, 제4도는 본 발명에 따른 도 다른 인라인 광대역 광필터의 구조를보인 도면.
제4도는 본 발명에 따른 또 다른 인라인 광대역 광필터의 구조를 보인 도면.
제5도는 본 발명에 따른 광아이솔레이트에 내장된 광필터 복합소자를 보인 도면.

Claims (6)

  1. 광섬유 증폭기에 있어서, 역류하는 광을 차단하기 위한 광아이솔레이터와 출력신호 세기를 감시하기 위한 출력단 탭 사이에 접속되고, 특정 파장대역만을 통과시키는 광필터를 포함하는 것을 특징으로 하는광섬유증폭기.
  2. 제1항에 있어서; 상기 특정 파장대역은 약 1540-1560nm의 광대역 파장임을 특징으로 하는 광섬유증폭기.
  3. 제1항에 있어서; 상기 광필터는 광대역 간섭형으로 코팅된 필터를가지는 것을 특징으로 하는 광섬유증폭기.
  4. 제1항에 있어서; 상기 광필터는 광레롤과 슬리브 사이에 내장되거나 혹은 광레롤 직접 코팅되는 것을 특징으로 하는 광섬유증폭기.
  5. 제1항에 있어서; 상기 광필터는 하나의 레롤에 홈을 만들어 광필터를 내장하는 것을 특징으로 하는 광섬유증폭기.
  6. 제1항에 있어서; 상기 광아이솔레이트는 필터 코팅되고 광아이솔레이트 기능과 광대역 광필터 기능을 가지는 것을 특징으로 하는 광섬유증폭기.
KR1019960001913A 1996-01-29 1996-01-29 광섬유증폭기 KR100194421B1 (ko)

Priority Applications (8)

Application Number Priority Date Filing Date Title
KR1019960001913A KR100194421B1 (ko) 1996-01-29 1996-01-29 광섬유증폭기
IN26CA1997 IN190931B (ko) 1996-01-29 1997-01-06
DE19702891A DE19702891C2 (de) 1996-01-29 1997-01-27 Lichtleiterfaserverstärker
GB9701642A GB2309578B (en) 1996-01-29 1997-01-28 Optical fibre amplifier
CN97101816A CN1081838C (zh) 1996-01-29 1997-01-29 光纤放大器
JP9015445A JPH09214036A (ja) 1996-01-29 1997-01-29 光ファイバ増幅器
US08/792,679 US5808788A (en) 1996-01-29 1997-01-29 Optical fiber amplifier
FR9700940A FR2744307B1 (fr) 1996-01-29 1997-01-29 Amplificateur a fibre optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960001913A KR100194421B1 (ko) 1996-01-29 1996-01-29 광섬유증폭기

Publications (2)

Publication Number Publication Date
KR970060757A true KR970060757A (ko) 1997-08-12
KR100194421B1 KR100194421B1 (ko) 1999-06-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960001913A KR100194421B1 (ko) 1996-01-29 1996-01-29 광섬유증폭기

Country Status (8)

Country Link
US (1) US5808788A (ko)
JP (1) JPH09214036A (ko)
KR (1) KR100194421B1 (ko)
CN (1) CN1081838C (ko)
DE (1) DE19702891C2 (ko)
FR (1) FR2744307B1 (ko)
GB (1) GB2309578B (ko)
IN (1) IN190931B (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100194421B1 (ko) * 1996-01-29 1999-06-15 윤종용 광섬유증폭기
KR100210913B1 (ko) * 1996-08-01 1999-07-15 윤종용 전송광의 파장을 자동 추적하여 필터링하는 광섬유증폭기 및 그 운용방법
US5892615A (en) * 1997-03-17 1999-04-06 Sdl, Inc. Output power enhancement in optical fiber lasers
US6078418A (en) * 1997-08-12 2000-06-20 Lucent Technologies Inc. Wavelength locking of variable dispersive elements
KR100280968B1 (ko) 1997-12-10 2001-02-01 윤종용 동기화된에탈론필터를이용한광섬유증폭기
US6091743A (en) * 1998-02-20 2000-07-18 Afc Technologies Inc. Bandwidth broadened and power enhanced low coherence fiberoptic light source
KR100416439B1 (ko) * 1998-11-24 2004-03-30 삼성전자주식회사 이득평탄도를제어하는광섬유증폭기
KR100283956B1 (ko) * 1998-11-24 2001-04-02 윤종용 채널별 출력세기가 일정한 광섬유증폭기 및 그 증폭방법
US6433924B1 (en) * 2000-11-14 2002-08-13 Optical Coating Laboratory, Inc. Wavelength-selective optical amplifier
EP1339142A1 (en) * 2002-02-25 2003-08-27 Agilent Technologies, Inc. - a Delaware corporation - Means of suppression of non-bragg side modes
US7237899B2 (en) * 2003-05-16 2007-07-03 3M Innovative Properties Company Highly efficient single panel and two panel projection engines
US7061618B2 (en) * 2003-10-17 2006-06-13 Axsun Technologies, Inc. Integrated spectroscopy system
US8526472B2 (en) 2009-09-03 2013-09-03 Axsun Technologies, Inc. ASE swept source with self-tracking filter for OCT medical imaging
US8670129B2 (en) * 2009-09-03 2014-03-11 Axsun Technologies, Inc. Filtered ASE swept source for OCT medical imaging
KR102570149B1 (ko) 2023-03-03 2023-08-29 (유)그랑핸드 발향 파우치 및 이를 포함하는 발향 가방

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904044A (en) * 1988-09-08 1990-02-27 Light Control Systems, Inc. Continuously variable fiber optic attenuator
US4989938A (en) * 1988-09-08 1991-02-05 Light Control Systems, Inc. Continuously variable fiber optic attenuator
US4995698A (en) * 1988-12-30 1991-02-26 Hughes Aircraft Company Fiber optic canister having orthotropic, controlled thermal expansion bobbin
US5050949A (en) * 1990-06-22 1991-09-24 At&T Bell Laboratories Multi-stage optical fiber amplifier
JP2734778B2 (ja) * 1991-01-16 1998-04-02 日本電気株式会社 光増幅装置
JPH04264532A (ja) * 1991-02-20 1992-09-21 Fujitsu Ltd 光増幅器
DE69224340T2 (de) * 1991-09-30 1998-06-04 Nec Corp Zweiwegzwischenverstärker mit optischer Verstärkung
US5177634A (en) * 1991-10-25 1993-01-05 Bell Communications Research, Inc. High gain limiting erbium-doped fiber amplifier with wide dynamic range
JP3181663B2 (ja) * 1992-03-04 2001-07-03 富士通株式会社 １．３μｍ帯光増幅器
JPH05347449A (ja) * 1992-06-12 1993-12-27 Ando Electric Co Ltd 信号光及び信号光と波長の違う連続光を増幅する光増幅器
DE4222208A1 (de) * 1992-07-07 1994-01-13 Sel Alcatel Ag Optisches Nachrichtenübertragungssystem mit optischem Filter zum Schutz vor Riesenimpulsen
JPH0688926A (ja) * 1992-07-24 1994-03-29 Tdk Corp 光アイソレータ付き光ファイバ端子とその組立方法
US5343320A (en) * 1992-08-03 1994-08-30 At&T Bell Laboratories Pump laser control circuit for an optical transmission system
JPH0697554A (ja) * 1992-09-16 1994-04-08 Nippon Telegr & Teleph Corp <Ntt> 光ファイバ増幅器
US5280383A (en) * 1992-12-02 1994-01-18 At&T Bell Laboratories Dual-stage low power optical amplifier
GB2273389B (en) * 1992-12-14 1996-07-17 Pirelli Cavi Spa Rare earth doped optical fibre amplifiers
JPH06196788A (ja) * 1992-12-25 1994-07-15 Nippon Telegr & Teleph Corp <Ntt> 光増幅器
KR950004226B1 (ko) * 1993-02-12 1995-04-27 삼성전자주식회사 디지탈 데이타 승산처리회로
US5453827A (en) * 1993-02-24 1995-09-26 Dicon Fiberoptics Fiberoptic in-line filter and technique for measuring the transmission quality of an optical fiber through the use of a fiberoptic in-line filter
JP2751789B2 (ja) * 1993-07-14 1998-05-18 日本電気株式会社 光ファイバ増幅器
US5430572A (en) * 1993-09-30 1995-07-04 At&T Corp. High power, high gain, low noise, two-stage optical amplifier
US5434701A (en) * 1993-12-17 1995-07-18 At&T Corp. All-optical inverter
US5537243A (en) * 1993-12-17 1996-07-16 At&T Corp. All-optical flip-flop
JPH07261121A (ja) * 1994-03-18 1995-10-13 Tdk Corp 光アイソレータ付き光ファイバ端子
KR0146648B1 (ko) * 1994-06-28 1998-08-17 양승택 다채널 광섬유증폭광원의 채널폭 조절장치
JPH0832162A (ja) * 1994-07-15 1996-02-02 Sumitomo Electric Ind Ltd 光増幅器
KR0150486B1 (ko) * 1994-12-07 1998-12-01 양승택 단일 펌프 광원을 이용한 파장가변형 다파장 광섬유 레이저 구도
JP3124465B2 (ja) * 1995-01-13 2001-01-15 株式会社精工技研 光カプラ
JP3442897B2 (ja) * 1995-03-08 2003-09-02 Ｋｄｄｉ株式会社 範囲別利得制御光増幅器及び範囲別光増幅器利得制御方法及び光受信器及び光中継器
JPH0918416A (ja) * 1995-06-28 1997-01-17 Hitachi Ltd 光増幅器
KR100194421B1 (ko) * 1996-01-29 1999-06-15 윤종용 광섬유증폭기

Also Published As

Publication number Publication date
DE19702891C2 (de) 2002-10-02
CN1081838C (zh) 2002-03-27
DE19702891A1 (de) 1997-07-31
CN1162204A (zh) 1997-10-15
GB9701642D0 (en) 1997-03-19
US5808788A (en) 1998-09-15
FR2744307A1 (fr) 1997-08-01
FR2744307B1 (fr) 2002-08-02
GB2309578B (en) 1998-10-07
JPH09214036A (ja) 1997-08-15
IN190931B (ko) 2003-09-06
GB2309578A (en) 1997-07-30
KR100194421B1 (ko) 1999-06-15

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