KR910008468A - 펌핑 파우어를 반사하는 잡음이 적은 광 증폭 장치 - Google Patents

펌핑 파우어를 반사하는 잡음이 적은 광 증폭 장치 Download PDF

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Publication number
KR910008468A
KR910008468A KR1019900017486A KR900017486A KR910008468A KR 910008468 A KR910008468 A KR 910008468A KR 1019900017486 A KR1019900017486 A KR 1019900017486A KR 900017486 A KR900017486 A KR 900017486A KR 910008468 A KR910008468 A KR 910008468A
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South Korea
Prior art keywords
fiber
wavelength
pumping
optical
light
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KR1019900017486A
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English (en)
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KR950009326B1 (ko
Inventor
그라쏘
리헤티
폰타나
Original Assignee
피에르 지오반니 지안네시
쏘시에따 까비 피렐리 에스. 피. 에이
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Publication of KR910008468A publication Critical patent/KR910008468A/ko
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Publication of KR950009326B1 publication Critical patent/KR950009326B1/ko

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    • 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
    • G02F1/35—Non-linear optics
    • G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
    • 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
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/50—Machine tool, machine tool null till machine tool work handling
    • G05B2219/50372—Load pallets manually, with visual instruction assistance
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/50—Machine tool, machine tool null till machine tool work handling
    • G05B2219/50373—If pallet is not loaded conforming to instruction, warning

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)

Abstract

내용 없음

Description

펌핑 파우어를 반사하는 잡음이 적은 광 증폭 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 선행업계의 광증폭기의 다이어그램이다.
제2도는 펌핑하우어의 변화에 따르는 제1도의 증폭기의 능동섬유의 길이에 따른 당해 증폭이득의 변화를 나타내는 다이어그램이다.
제3도는 반사장치로 구성된 본 발명의 광증폭기의 다이어그램이다.

Claims (7)

  1. 광 원격통신 시스템의 광 섬유(1)에 연결시키기에 적합한, 레이저 방출 물질을 함유하고 있는 (a)전송 파장에서 원격통신 광 섬유로부터 광을 수신하기 위해 원격통신 광섬유에 광학적으로 연결되기에 적당하며 (b)펌핑광이 능동섬유내에서 흡수될 수 있는 전송 파장보다 짧은 펌핑 파장의 광원으로부터 공급될 수 있는 길이의 능동 광섬유(6)으로 구성된, 능동 섬유의 길이가 직접-입력 펌핑 광을 부분적으로 흡수하는데 필요로하는 정도이고, 능동섬유의 말단부에는 펌핑 파장의 광은 반사하고 전송 파장의 광에 대해서는 투명한 선택적인 거울 요소가 존재하는 것을 특징으로 하는, 능동 섬유 형태의 광 증폭기.
  2. 제1항에 있어서, 거울요소(8)이 능동 섬유내에서 전송 파장 -40㏈보다는 작고 펌핑 파장 -10㏈보다는 큰 파장에서 반사성을 지니는 광 증폭기.
  3. 제1항에 있어서, 거울 요소(8)이 각각 광을 능동섬유에서부터 이색거울로 보내고, 이색거울로부터 원격통신 광섬유로 보내는 두개의 직속 그룹과 이색거울로 구성된 개별적인 요소들로 구성된 광 증폭기.
  4. 제1항에 있어서, 거울 요소가 하나 이상의 모놀리식 광 섬유 요소들로 구성된 광 증폭기
  5. 제4항에 있어서, 거울요소(8)이 능동섬유(9)의 말단에 연결된 인풋 섬유(10)을 가지고 있으며 하나의 섬유내에서 다중화된 펌핑 파장과 전송 파장을 수신하기에 적당한 광 디멀티플렉서로 구성되며, 이 디멀트플렉서는 두 개의 아웃풋 섬유(11,12), 하나의 이웃풋 섬유에 전송파장을, 또다른 아웃풋 섬유에 펌핑 파장을 분리시키는데 적당하며, 아웃풋 섬유(11)은 원격통신 섬유(7)에 연결될 수 있는 전송 파장을 갖고 있으며 다른 아웃풋 섬유(12)는 말단부위에 최소한의 펌핑 파장을 반사시키기에 적당한 거울(13)이 마련되어 있는 것으로서 펌핑 파장을 갖고 있는 광 증폭기
  6. 제5항에 있어서, 거울요소(8)이 신호파장인 -2㏈보다 낮고 펌핑파장인 -5㏈보다 높은 파장에서는 반사성을 지니는 것을 특징으로하는 광 증폭기
  7. 제5항에 있어서, 디멀티플렉서(9)가 전송파장과 펌핑 파장사이를 -10㏈보다 크게하여 분리시키는 것을 특징으로하는 광 증폭기
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900017486A 1989-10-30 1990-10-30 펌핑 전력반사기능을 지니는 저잡음용 광증폭기 KR950009326B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT22196/89 1989-10-30
IT02219689A IT1237135B (it) 1989-10-30 1989-10-30 Gruppo di amplificazione ottico a basso rumore, con riflessione della potenza di pompaggio.

Publications (2)

Publication Number Publication Date
KR910008468A true KR910008468A (ko) 1991-05-31
KR950009326B1 KR950009326B1 (ko) 1995-08-19

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KR1019900017486A KR950009326B1 (ko) 1989-10-30 1990-10-30 펌핑 전력반사기능을 지니는 저잡음용 광증폭기

Country Status (26)

Country Link
US (1) US5138483A (ko)
EP (1) EP0426221B1 (ko)
JP (1) JP2963187B2 (ko)
KR (1) KR950009326B1 (ko)
CN (1) CN1018787B (ko)
AR (1) AR244918A1 (ko)
AT (1) ATE99841T1 (ko)
AU (1) AU636669B2 (ko)
BR (1) BR9005621A (ko)
CA (1) CA2028639C (ko)
CZ (1) CZ283653B6 (ko)
DE (1) DE69005794T2 (ko)
DK (1) DK0426221T3 (ko)
ES (1) ES2049915T3 (ko)
FI (1) FI97259C (ko)
HK (1) HK111394A (ko)
HU (1) HU210854B (ko)
IE (1) IE64719B1 (ko)
IT (1) IT1237135B (ko)
MY (1) MY107270A (ko)
NO (1) NO302328B1 (ko)
PE (1) PE5191A1 (ko)
PL (1) PL164795B1 (ko)
PT (1) PT95726B (ko)
RU (1) RU2085043C1 (ko)
SK (1) SK280517B6 (ko)

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Also Published As

Publication number Publication date
DE69005794D1 (de) 1994-02-17
PT95726A (pt) 1992-06-30
CA2028639A1 (en) 1991-05-01
HK111394A (en) 1994-10-21
PL164795B1 (pl) 1994-10-31
RU2085043C1 (ru) 1997-07-20
NO904676L (no) 1991-05-02
MY107270A (en) 1995-10-31
PT95726B (pt) 1998-07-31
KR950009326B1 (ko) 1995-08-19
FI905340A0 (fi) 1990-10-29
IT8922196A1 (it) 1991-04-30
DK0426221T3 (da) 1994-05-16
CS529590A3 (en) 1992-04-15
AR244918A1 (es) 1993-11-30
AU6458790A (en) 1991-05-02
IT8922196A0 (it) 1989-10-30
HUT58418A (en) 1992-02-28
JP2963187B2 (ja) 1999-10-12
AU636669B2 (en) 1993-05-06
IE903836A1 (en) 1991-05-08
FI97259B (fi) 1996-07-31
HU906941D0 (en) 1991-05-28
ES2049915T3 (es) 1994-05-01
FI97259C (fi) 1996-11-11
SK280517B6 (sk) 2000-03-13
CZ283653B6 (cs) 1998-05-13
CN1052234A (zh) 1991-06-12
BR9005621A (pt) 1991-09-17
EP0426221B1 (en) 1994-01-05
ATE99841T1 (de) 1994-01-15
NO302328B1 (no) 1998-02-16
JPH03166782A (ja) 1991-07-18
PE5191A1 (es) 1991-02-27
DE69005794T2 (de) 1994-07-14
NO904676D0 (no) 1990-10-29
IT1237135B (it) 1993-05-24
IE64719B1 (en) 1995-08-23
HU210854B (en) 1995-08-28
CN1018787B (zh) 1992-10-21
US5138483A (en) 1992-08-11
EP0426221A1 (en) 1991-05-08
CA2028639C (en) 1996-11-26

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