IT1282681B1 - Generatore di impulsi luminosi - Google Patents

Generatore di impulsi luminosi

Info

Publication number
IT1282681B1
IT1282681B1 IT96MI000346A ITMI960346A IT1282681B1 IT 1282681 B1 IT1282681 B1 IT 1282681B1 IT 96MI000346 A IT96MI000346 A IT 96MI000346A IT MI960346 A ITMI960346 A IT MI960346A IT 1282681 B1 IT1282681 B1 IT 1282681B1
Authority
IT
Italy
Prior art keywords
impulse generator
light impulse
light
generator
impulse
Prior art date
Application number
IT96MI000346A
Other languages
English (en)
Inventor
Masaaki Furuhashi
Ryouji Handa
Nobuo Tomita
Yoshitaka Enomoto
Original Assignee
Ando Electric
Nippon Telegraph & Telephone
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 Ando Electric, Nippon Telegraph & Telephone filed Critical Ando Electric
Publication of ITMI960346A0 publication Critical patent/ITMI960346A0/it
Publication of ITMI960346A1 publication Critical patent/ITMI960346A1/it
Application granted granted Critical
Publication of IT1282681B1 publication Critical patent/IT1282681B1/it

Links

Classifications

    • 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
    • H01S3/06791—Fibre ring lasers
    • 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
    • H01S3/005—Optical 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
    • H01S3/0057—Temporal shaping, e.g. pulse compression, frequency chirping
    • 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
    • H01S3/10038—Amplitude control
    • 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
    • H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
    • H01S3/1123—Q-switching
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/26—Pulse shaping; Apparatus or methods therefor
    • 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
    • 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
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/1601—Solid materials characterised by an active (lasing) ion
    • H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
IT96MI000346A 1995-02-24 1996-02-23 Generatore di impulsi luminosi IT1282681B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03741595A JP3272895B2 (ja) 1995-02-24 1995-02-24 光パルス発生器

Publications (3)

Publication Number Publication Date
ITMI960346A0 ITMI960346A0 (it) 1996-02-23
ITMI960346A1 ITMI960346A1 (it) 1997-08-23
IT1282681B1 true IT1282681B1 (it) 1998-03-31

Family

ID=12496898

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI000346A IT1282681B1 (it) 1995-02-24 1996-02-23 Generatore di impulsi luminosi

Country Status (4)

Country Link
US (1) US5596449A (it)
JP (1) JP3272895B2 (it)
DE (1) DE19606880C2 (it)
IT (1) IT1282681B1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3414257B2 (ja) * 1998-05-19 2003-06-09 安藤電気株式会社 多心光ファイバの測定データ集計方法及び装置ならびに集計処理プログラムを記録した記録媒体
CN110686626B (zh) * 2019-10-14 2021-03-19 南京大学 一种基于相位敏感型光时域反射系统的opgw覆冰监测系统及方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2630833B1 (fr) * 1988-04-27 1992-02-28 Organisation Europ Rech Nucle Dispositif pour stocker des photons et appareillage de determination de la forme d'une impulsion lumineuse de breve duree en faisant application
JP2977053B2 (ja) * 1991-07-12 1999-11-10 安藤電気株式会社 高出力光パルス発生器
GB9118843D0 (en) * 1991-09-03 1991-10-16 British Telecomm An optical transmission system
JPH0566430A (ja) * 1991-09-06 1993-03-19 Ando Electric Co Ltd 高出力光パルス発生器
JPH05206556A (ja) * 1992-01-24 1993-08-13 Ando Electric Co Ltd 光ファイバパルス発振器
JP2993582B2 (ja) * 1992-02-24 1999-12-20 日本電信電話株式会社 光回路
JP2992407B2 (ja) * 1992-06-30 1999-12-20 安藤電気株式会社 高出力光パルス発生器
IT1263613B (it) * 1993-02-19 1996-08-27 Pirelli Cavi Spa Generatore laser a fibra ottica a concatenamento modale attivo
JPH06332020A (ja) * 1993-05-18 1994-12-02 Nippon Telegr & Teleph Corp <Ntt> 光信号発生装置
US5495362A (en) * 1994-04-13 1996-02-27 Ando Electric Co., Ltd. Photoperiodic circuit amplification control apparatus

Also Published As

Publication number Publication date
JP3272895B2 (ja) 2002-04-08
US5596449A (en) 1997-01-21
DE19606880A1 (de) 1996-08-29
ITMI960346A0 (it) 1996-02-23
DE19606880C2 (de) 1998-10-15
ITMI960346A1 (it) 1997-08-23
JPH08236842A (ja) 1996-09-13

Similar Documents

Publication Publication Date Title
DE69529305D1 (de) Datenkodierter optischer Impulsgeber
DE59602336D1 (de) Optischer frequenzgenerator
BR9609939A (pt) Despropagador adaptável
FR2729504B1 (fr) Generateur photovoltaique
DE69619473D1 (de) Wechselstromgenerator
DE69627436D1 (de) Generator
DE69605245D1 (de) Laser
DE69623918D1 (de) Impulsgenerator
DE69414876D1 (de) Optischer pulssequenzgenerator
ATE326879T1 (de) Zahnbürsten
DE69635580D1 (de) Impulsgeber
IT1282680B1 (it) Generatore di impulsi luminosi
DE69825331D1 (de) Optischer Impulsgeber
DE69409715D1 (de) Optischer Impulsgenerator
IT1282681B1 (it) Generatore di impulsi luminosi
DE69629007D1 (de) Lasergenerator
KR970003426U (ko) 자동차용 발전기
FR2736165B1 (fr) Telescope satellise
KR960029604U (ko) 발광기구
IS4287A (is) Rafalar
MA23527A1 (fr) Generateurs
KR960032894U (ko) 발전기 케이스
KR960032906U (ko) 펄스 발생장치
KR970045286U (ko) 망원경
KR970023522U (ko) 노구 지금 제거 노즐 치구

Legal Events

Date Code Title Description
0001 Granted