JP2014517510A - 2μmの範囲で動作する波長の高出力単一モードファイバーレーザーシステム - Google Patents
2μmの範囲で動作する波長の高出力単一モードファイバーレーザーシステム Download PDFInfo
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- JP2014517510A JP2014517510A JP2014509274A JP2014509274A JP2014517510A JP 2014517510 A JP2014517510 A JP 2014517510A JP 2014509274 A JP2014509274 A JP 2014509274A JP 2014509274 A JP2014509274 A JP 2014509274A JP 2014517510 A JP2014517510 A JP 2014517510A
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- 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
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- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
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- 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
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- 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
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- 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
- H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
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- 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
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- 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
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- 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
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- 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
- H01S3/1616—Solid materials characterised by an active (lasing) ion rare earth thulium
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- 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
- H01S3/0092—Nonlinear frequency conversion, e.g. second harmonic generation [SHG] or sum- or difference-frequency generation outside the laser cavity
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- 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
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Abstract
Description
18 Tm系発振器
20 MM Erファイバー増幅器
22 Tmレーザー
25 ファイバーレーザーシステム
26 増幅器のコア
27 コア
28 能動ファイバーのコア
29 入力ファイバー
31 出力ファイバー
32 波長選択性構成要素
34 能動ファイバー
36 入力SM受動ファイバー
38 出力SM受動ファイバー
40 Tmレーザーのクラッディング
44 システム25の効率
46 システム10の効率
48 MM増幅器の出力
50 端部領域
52 円錐台形遷移領域
54 増幅領域
56 端部領域
58 コリメータ
60 非線形ZnS結晶
Claims (12)
- ポンプライトを放射する少なくとも1つのファイバー増幅器を有し、Er及びイッテルビウム/エルビウムからなる群から選択された希土類元素のイオンでドープされたマルチモードコアを有する能動ファイバーを有して提供されるポンプ、並びに
Tmイオンでドープされたコアを有するファイバーレーザーであって、前記ポンプライトを受け取って約2ミクロンの波長でシステム出力を放射するTmファイバーレーザーを含む単一モード(SM)高出力ファイバーレーザーシステム。 - 前記ポンプレーザー増幅器が、入力端領域、出力端領域、前記端部領域の間に前記端部領域よりも大きなコア直径を有する中央領域、及び前記端部領域と増幅領域との間に橋渡しする2つの円錐台形領域を含む二重ボトルネック形状断面を有して構成される、請求項1に記載のファイバーレーザーシステム。
- 前記ポンプレーザー増幅器がさらに、前記能動ポンプファイバーのそれぞれの端部にそれぞれ接合される端部を有する単一モード入力受動ファイバー及びマルチモード出力ファイバーを有する、請求項2に記載のファイバーレーザーシステム。
- 前記ポンプ増幅器の前記能動ファイバーの両端領域がそれぞれ前記入力受動ファイバー及び出力受動ファイバーのそれぞれ対向する端部に接合され、前記入力ファイバーが前記入力ファイバーに対向する前記能動ファイバーのコアの端部領域と少なくとも実質的に等しい、またはそれよりも小さい直径のコアを有し、前記出力ファイバーが前記能動ファイバーのコアの端部領域の直径以上の直径のコアを有する、請求項3に記載のファイバーレーザー。
- 前記ポンプが、前記ポンプ増幅器の前記入力受動ファイバー内に結合されるSM放射を出力するように作動するシードEr系ファイバーレーザーをさらに有する、請求項4に記載のファイバーレーザー。
- 前記TmレーザーがSM構成を有するTmドープ能動ファイバーを有して構成される、請求項3に記載のファイバーレーザーシステム。
- 前記TmレーザーがMM構成を有するTmドープ能動ファイバーを有して構成される、請求項3に記載のファイバーレーザーシステム。
- 前記ポンプの前記出力ファイバーのコアが、前記Tmレーザーにポンプライトを供給する入力ファイバーと少なくとも等しいまたはそれより大きい、請求項4に記載のファイバーレーザー。
- 前記ポンプの前記レーザー増幅器が、均一なコア直径を有して提供されるコアを有し、前記Tmレーザーが、それぞれ波長選択要素を有して提供されるTmドープ能動ファイバー並びに入力SM受動ファイバー及び出力SM受動ファイバーを有して構成され、前記能動ポンプファイバーのコアの直径が、前記Tmレーザーの前記入力受動ファイバーのコア直径よりも大きい、請求項1に記載のファイバーレーザーシステム。
- 前記ポンプ増幅器のTmレーザー及び能動ファイバーのそれぞれのコアが、それぞれのクラッディングによって取り囲まれ、前記Tmレーザーの外側のクラッディングが前記ポンプファイバー増幅器の前記能動ファイバーのそれよりも小さい、請求項1に記載のファイバーレーザー。
- 複数のポンプ増幅器をさらに含む、請求項1に記載のファイバーレーザー。
- 前記ポンプが発振器または増幅器から選択される構成を有する、請求項1に記載のファイバーレーザー。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/US2011/034997 WO2012150935A1 (en) | 2011-05-03 | 2011-05-03 | HIGH POWER SINGLE MODE FIBER LASER SYSTEM FOR WAVELENGTHS OPERATING IN 2μm RANGE |
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JP2014517510A true JP2014517510A (ja) | 2014-07-17 |
JP5980909B2 JP5980909B2 (ja) | 2016-08-31 |
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US (1) | US9882341B2 (ja) |
EP (1) | EP2705581B1 (ja) |
JP (1) | JP5980909B2 (ja) |
KR (2) | KR20140001116U (ja) |
CN (1) | CN103503251B (ja) |
WO (1) | WO2012150935A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US9653298B2 (en) * | 2013-01-14 | 2017-05-16 | Ipg Photonics Corporation | Thermal processing by transmission of mid infra-red laser light through semiconductor substrate |
EP3103166B1 (en) * | 2014-02-03 | 2022-03-16 | IPG Photonics Corporation | High power ultrashort pulsed fiber laser |
US9634461B1 (en) * | 2014-08-08 | 2017-04-25 | Bae Systems Information And Electronic Systems Integration Inc. | Geometric isolator providing isolation between resonantly pumped cascaded laser |
CN108614323B (zh) * | 2018-07-20 | 2024-01-12 | 中国人民解放军国防科技大学 | 一种纤芯尺寸纵向渐变的增益光纤 |
US11276982B2 (en) | 2020-01-22 | 2022-03-15 | Cybel, LLC. | Optical fiber amplifier for operation in two micron wavelength region |
CN115377784B (zh) * | 2022-10-24 | 2023-03-24 | 中国航天三江集团有限公司 | 一种同带泵浦光纤放大器及方法 |
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- 2011-05-03 JP JP2014509274A patent/JP5980909B2/ja active Active
- 2011-05-03 EP EP11864741.1A patent/EP2705581B1/en active Active
- 2011-05-03 CN CN201180070588.2A patent/CN103503251B/zh active Active
- 2011-05-03 KR KR2020137000075U patent/KR20140001116U/ko not_active Application Discontinuation
- 2011-05-03 WO PCT/US2011/034997 patent/WO2012150935A1/en active Application Filing
- 2011-05-03 US US14/070,927 patent/US9882341B2/en active Active
- 2011-05-03 KR KR1020147016374A patent/KR101698143B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
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US9882341B2 (en) | 2018-01-30 |
US20160164244A1 (en) | 2016-06-09 |
CN103503251B (zh) | 2017-03-01 |
WO2012150935A1 (en) | 2012-11-08 |
KR101698143B1 (ko) | 2017-02-01 |
EP2705581A4 (en) | 2014-11-19 |
JP5980909B2 (ja) | 2016-08-31 |
KR20140001116U (ko) | 2014-02-20 |
CN103503251A (zh) | 2014-01-08 |
EP2705581A1 (en) | 2014-03-12 |
KR20140097377A (ko) | 2014-08-06 |
EP2705581B1 (en) | 2017-11-22 |
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