WO2008130005A1 - Ｙｂ添加光ファイバのフォトダークニング抑制処理方法、フォトダークニング抑制Ｙｂ添加光ファイバ及びファイバレーザ - Google Patents

Ｙｂ添加光ファイバのフォトダークニング抑制処理方法、フォトダークニング抑制Ｙｂ添加光ファイバ及びファイバレーザ Download PDF

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Publication number
WO2008130005A1
WO2008130005A1 PCT/JP2008/057492 JP2008057492W WO2008130005A1 WO 2008130005 A1 WO2008130005 A1 WO 2008130005A1 JP 2008057492 W JP2008057492 W JP 2008057492W WO 2008130005 A1 WO2008130005 A1 WO 2008130005A1
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WO
WIPO (PCT)
Prior art keywords
optical fiber
photodarkening
doped optical
fiber
suppressed
Prior art date
Application number
PCT/JP2008/057492
Other languages
English (en)
French (fr)
Inventor
Kentaro Ichii
Hideyuki Hosoya
Original Assignee
Fujikura Ltd.
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 Fujikura Ltd. filed Critical Fujikura Ltd.
Priority to JP2008540801A priority Critical patent/JP4876130B2/ja
Priority to DK08740562.7T priority patent/DK2088650T3/da
Priority to EP08740562.7A priority patent/EP2088650B1/en
Priority to CN2008800123841A priority patent/CN101675562B/zh
Publication of WO2008130005A1 publication Critical patent/WO2008130005A1/ja
Priority to US12/474,936 priority patent/US8125705B2/en

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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
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06716—Fibre compositions or doping with active elements
    • 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
    • H01S3/0014—Monitoring arrangements not otherwise provided for
    • 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
    • H01S3/094007—Cladding pumping, i.e. pump light propagating in a clad surrounding the active core
    • 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
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • 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
    • H01S3/1618—Solid materials characterised by an active (lasing) ion rare earth ytterbium
    • 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
    • H01S3/1691—Solid materials characterised by additives / sensitisers / promoters as further dopants
    • H01S3/1693—Solid materials characterised by additives / sensitisers / promoters as further dopants aluminium

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Surface Treatment Of Glass (AREA)

Abstract

　本発明に係るフォトダークニング抑制処理方法は、コアにＹｂが添加されたＹｂ添加光ファイバを用意し、該Ｙｂ添加光ファイバに、そのレーザ発振時に該光ファイバを伝搬する光よりも高いエネルギを付与する条件で少なくともガンマ線、Ｘ線、電子線のいずれかを照射する第１の工程と、第１の工程後に該光ファイバの赤外領域の損失スペクトルを測定し、特定波長の損失が所定範囲内に入っている光ファイバを選択する第２の工程と、第２の工程において選択した光ファイバを、水素を含む雰囲気中で処理してフォトダークニング抑制Ｙｂ添加光ファイバを得る第３の工程とを含む。
PCT/JP2008/057492 2007-04-17 2008-04-17 Ｙｂ添加光ファイバのフォトダークニング抑制処理方法、フォトダークニング抑制Ｙｂ添加光ファイバ及びファイバレーザ WO2008130005A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2008540801A JP4876130B2 (ja) 2007-04-17 2008-04-17 Ｙｂ添加光ファイバのフォトダークニング抑制処理方法、フォトダークニング抑制Ｙｂ添加光ファイバ及びファイバレーザ
DK08740562.7T DK2088650T3 (da) 2007-04-17 2008-04-17 FREMGANGSMÅDE TIL FOTODARKENINGS-UNDERTRYKNING AF EN Yb-DOTERET OPTISK FIBER, FOTODARKENINGS-UNDERTRYKT Yb-DOTERET OPTISK FIBER, OG FIBERLASER
EP08740562.7A EP2088650B1 (en) 2007-04-17 2008-04-17 Yb-DOPED OPTICAL FIBER PHOTODARKENING SUPPRESSION PROCESSING METHOD, PHOTODARKENING-SUPPRESSED Yb-DOPED OPTICAL FIBER, AND FIBER LASER
CN2008800123841A CN101675562B (zh) 2007-04-17 2008-04-17 用于抑制掺Yb光纤中的光暗化的处理方法、光暗化受抑制的掺Yb光纤、以及光纤激光器
US12/474,936 US8125705B2 (en) 2007-04-17 2009-05-29 Processing method for suppressing photodarkening in Yb-doped optical fibers, photodarkening-suppressed Yb-doped optical fiber, and fiber laser

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-108126 2007-04-17
JP2007108126 2007-04-17

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/474,936 Continuation US8125705B2 (en) 2007-04-17 2009-05-29 Processing method for suppressing photodarkening in Yb-doped optical fibers, photodarkening-suppressed Yb-doped optical fiber, and fiber laser

Publications (1)

Publication Number Publication Date
WO2008130005A1 true WO2008130005A1 (ja) 2008-10-30

Family

ID=39875533

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/057492 WO2008130005A1 (ja) 2007-04-17 2008-04-17 Ｙｂ添加光ファイバのフォトダークニング抑制処理方法、フォトダークニング抑制Ｙｂ添加光ファイバ及びファイバレーザ

Country Status (6)

Country Link
US (1) US8125705B2 (ja)
EP (1) EP2088650B1 (ja)
JP (1) JP4876130B2 (ja)
CN (1) CN101675562B (ja)
DK (1) DK2088650T3 (ja)
WO (1) WO2008130005A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7450813B2 (en) 2006-09-20 2008-11-11 Imra America, Inc. Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers
EP2374034A1 (en) 2008-12-04 2011-10-12 Imra America, Inc. Highly rare-earth-doped optical fibers for fiber lasers and amplifiers
CN102135641B (zh) * 2011-03-29 2012-07-04 华中科技大学 一种抗光子暗化的有源光纤及其制备方法
CN105467424A (zh) * 2014-09-10 2016-04-06 中国辐射防护研究院 一种掺钚光纤及其测量中子的方法
CN105938219A (zh) * 2016-05-04 2016-09-14 上海交通大学 基于伽马辐射源制作光纤光栅的装置及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2980094B2 (ja) 1997-05-16 1999-11-22 住友電気工業株式会社 石英ガラス物品及びその製造方法
JP2000203856A (ja) * 1999-01-12 2000-07-25 Sumitomo Electric Ind Ltd 石英ガラス物品及びその製造方法
JP2005510434A (ja) * 2001-08-20 2005-04-21 ポリミクロ テクノロジーズ エルエルシー シリカガラスの光学部品及びその製法
US20070053400A1 (en) * 2005-08-22 2007-03-08 Supriyo Sinha Mitigation of photodarkening to achieve laser oscillation and amplification with highly doped fibers
JP2007114335A (ja) * 2005-10-19 2007-05-10 Fujikura Ltd 光増幅用光ファイバの出力低下抑制方法、光増幅用光ファイバ、光ファイバ増幅器及び光ファイバレーザ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6333283B1 (en) * 1997-05-16 2001-12-25 Sumitomo Electric Industries, Ltd. Silica glass article and manufacturing process therefor
CN101316800B (zh) * 2005-10-26 2010-10-27 株式会社藤仓 添加稀土类纤芯光纤及其制造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2980094B2 (ja) 1997-05-16 1999-11-22 住友電気工業株式会社 石英ガラス物品及びその製造方法
JP2000203856A (ja) * 1999-01-12 2000-07-25 Sumitomo Electric Ind Ltd 石英ガラス物品及びその製造方法
JP2005510434A (ja) * 2001-08-20 2005-04-21 ポリミクロ テクノロジーズ エルエルシー シリカガラスの光学部品及びその製法
US20070053400A1 (en) * 2005-08-22 2007-03-08 Supriyo Sinha Mitigation of photodarkening to achieve laser oscillation and amplification with highly doped fibers
JP2007114335A (ja) * 2005-10-19 2007-05-10 Fujikura Ltd 光増幅用光ファイバの出力低下抑制方法、光増幅用光ファイバ、光ファイバ増幅器及び光ファイバレーザ

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
"Photodarkening in Ytterbium-Doped Silica Fibers", PROC. SPIE5990, 2005, pages 72 - 81
KITABAYASHI T. ET AL.: "Population inversion factor dependence of photodarkening of Yb-doped fibers and its suppression by highly aluminum doping", OPTICAL FIBER COMMUNICATION CONFERENCE, 2006 AND THE 2006 NATIONAL FIBER OPTICS ENGINEERS CONFERENCE. OFC 2006, no. OTHC5, 5 March 2006 (2006-03-05), XP009096165 *
L. B. GLEBOV: "Linear and Non-Linear Photoionization of Silicate Glasses", GLASS SCIENCE AND TECHNOLOGY, vol. 20, no. 24, 1995
See also references of EP2088650A4 *
T. KITABAYASHI ET AL.: "Population Inversion Factor Dependence of Photodarkening of Yb-Doped Fibers and Its Suppression by High Aluminum Doping", OFC2006, 2006

Also Published As

Publication number Publication date
EP2088650B1 (en) 2013-05-15
CN101675562A (zh) 2010-03-17
EP2088650A1 (en) 2009-08-12
CN101675562B (zh) 2011-12-07
DK2088650T3 (da) 2013-06-10
JPWO2008130005A1 (ja) 2010-07-22
US20090231683A1 (en) 2009-09-17
US8125705B2 (en) 2012-02-28
JP4876130B2 (ja) 2012-02-15
EP2088650A4 (en) 2010-12-22

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