IT1306916B1 - Amplificatore di luce dotato di una fibra ottica drogata con unelemento delle terre rare - Google Patents

Amplificatore di luce dotato di una fibra ottica drogata con unelemento delle terre rare

Info

Publication number
IT1306916B1
IT1306916B1 IT1999MI000003A ITMI990003A IT1306916B1 IT 1306916 B1 IT1306916 B1 IT 1306916B1 IT 1999MI000003 A IT1999MI000003 A IT 1999MI000003A IT MI990003 A ITMI990003 A IT MI990003A IT 1306916 B1 IT1306916 B1 IT 1306916B1
Authority
IT
Italy
Prior art keywords
droged
optical fiber
rare earth
earth element
light amplifier
Prior art date
Application number
IT1999MI000003A
Other languages
English (en)
Inventor
Kosuke Fukaishi
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of ITMI990003A1 publication Critical patent/ITMI990003A1/it
Application granted granted Critical
Publication of IT1306916B1 publication Critical patent/IT1306916B1/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
    • H01S3/06704—Housings; Packages
    • 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
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
    • H01S3/13013—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers by controlling the optical pumping
    • 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
    • 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
    • H01S3/0064—Anti-reflection devices, e.g. optical isolaters
    • 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
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
  • Glass Compositions (AREA)
  • Optical Couplings Of Light Guides (AREA)
IT1999MI000003A 1998-01-07 1999-01-04 Amplificatore di luce dotato di una fibra ottica drogata con unelemento delle terre rare IT1306916B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10013323A JP3065980B2 (ja) 1998-01-07 1998-01-07 光増幅器

Publications (2)

Publication Number Publication Date
ITMI990003A1 ITMI990003A1 (it) 2000-07-04
IT1306916B1 true IT1306916B1 (it) 2001-10-11

Family

ID=11829958

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999MI000003A IT1306916B1 (it) 1998-01-07 1999-01-04 Amplificatore di luce dotato di una fibra ottica drogata con unelemento delle terre rare

Country Status (4)

Country Link
US (1) US6167181A (it)
JP (1) JP3065980B2 (it)
FR (1) FR2773419A1 (it)
IT (1) IT1306916B1 (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7286241B2 (en) * 1999-06-24 2007-10-23 Lockheed Martin Corporation System and method for high-speed laser detection of ultrasound
US6483859B1 (en) 1999-06-24 2002-11-19 Lockheed Martin Corporation System and method for high-speed laser detection of ultrasound
US6714307B2 (en) 2001-10-16 2004-03-30 Zygo Corporation Measurement of complex surface shapes using a spherical wavefront
DE102008022217B4 (de) * 2008-05-06 2010-04-08 Siemens Aktiengesellschaft Verfahren und Systeme zur berührungslosen Übertragung optischer Signale
EP2372849B1 (en) * 2009-03-11 2016-12-14 Panasonic Intellectual Property Management Co., Ltd. Fiber laser device and light amplifying method
RU2480875C2 (ru) * 2011-01-31 2013-04-27 Ооо "Научно-Техническое Объединение "Ирэ-Полюс" Способ дифференциального контроля инверсии населенности лазерной среды и устройство его реализующее
JP6034708B2 (ja) * 2013-01-30 2016-11-30 株式会社フジクラ 光増幅部品及びファイバレーザ装置
TWI758923B (zh) * 2020-10-27 2022-03-21 財團法人工業技術研究院 雷射檢測系統

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04364790A (ja) * 1991-06-12 1992-12-17 Mitsubishi Electric Corp ファイバ形光増幅器
JP2648643B2 (ja) * 1991-06-03 1997-09-03 日本電信電話株式会社 光増幅器
JPH05327104A (ja) * 1992-05-21 1993-12-10 Sumitomo Electric Ind Ltd 光ファイバ増幅器
US5471334A (en) * 1992-10-21 1995-11-28 Nippon Telegraph And Telephone Corporation Method and apparatus for monitoring noise figure of optical amplifier
JP3279393B2 (ja) * 1993-06-18 2002-04-30 日本電信電話株式会社 雑音指数算出方法および雑音指数計測装置
JP3295148B2 (ja) * 1992-11-19 2002-06-24 富士通株式会社 ファイバ型光増幅器
JP3230708B2 (ja) * 1993-03-15 2001-11-19 日本電信電話株式会社 光増幅器
US5345331A (en) * 1993-04-13 1994-09-06 At&T Bell Laboratories Technique for reducing polarization dependent gain in an amplified optical transmission system
JP3346488B2 (ja) * 1993-05-18 2002-11-18 日本電信電話株式会社 光増幅器の雑音指数監視方法および装置
JP2500621B2 (ja) * 1993-06-30 1996-05-29 日本電気株式会社 光増幅器
JPH07123059A (ja) * 1993-10-28 1995-05-12 Fujitsu Ltd 光ファイバ増幅器の自動利得制御方法及び自動利得制御回路
JPH0997941A (ja) * 1995-09-29 1997-04-08 Matsushita Electric Ind Co Ltd 光増幅装置
JPH09107141A (ja) * 1995-10-12 1997-04-22 Nippon Telegr & Teleph Corp <Ntt> 光増幅装置

Also Published As

Publication number Publication date
ITMI990003A1 (it) 2000-07-04
JPH11204867A (ja) 1999-07-30
JP3065980B2 (ja) 2000-07-17
US6167181A (en) 2000-12-26
FR2773419A1 (fr) 1999-07-02

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