JP6058669B2 - 約974〜1030nmの波長範囲において高輝度ローノイズ出力を備えたハイパワーファイバーポンプ光源 - Google Patents
約974〜1030nmの波長範囲において高輝度ローノイズ出力を備えたハイパワーファイバーポンプ光源 Download PDFInfo
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- 239000000835 fiber Substances 0.000 title claims description 114
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 2
- 239000011162 core material Substances 0.000 description 31
- 238000005253 cladding Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000009022 nonlinear effect Effects 0.000 description 5
- 239000002019 doping agent Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
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- H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
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- 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
Description
Claims (9)
- ハイパワー高輝度ポンプローノイズ光源(HPUBLNS)であって、
波長λpのローノイズマルチモード(MM)信号光を発生すると共に出力ファイバで構成されている少なくとも1つのシード光源と、
サブポンプ波長λspのサブポンプ発光を放射するように、共に組み合わせられた複数のハイパワー(HP)半導体レーザダイオードと、
サブポンプ波長λspのサブポンプ発光をポンプ波長λpのMMポンプ出力へ変換して、前記ポンプ波長λpで数kWの範囲でポンプ出力を放出するように構成されており、且つ50〜150マイクロン範囲内に変化するコア直径を有すると共に10〜200ppmの範囲内のYbイオン濃度でドープされたMMコアで構成されているYbドープマルチモード(MM)ファイバ波長変換器とを備え、
前記Ybドープマルチモード(MM)ファイバ波長変換器のポンプ出力は、
約0.05〜約0.13の範囲内の開口数、
ローノイズ信号光とほぼ同じノイズレベル、
n×Bとほぼ等しい輝度(B)(nはHPレーザダイオードの数、Bは各HPレーザダイオードの輝度)、および
nPdとほぼ等しい出力パワー(Po)(Pdは各HPレーザダイオードの出力パワー、nはその数)、を有し、
前記Ybドープマルチモード(MM)ファイバの両端のそれぞれに複数のHP半導体レーザダイオードによるサブポンプ発光が入射され、
少なくとも1つの追加HPUBLNSをさらに備え、
複数のHPUBLNSが、Ybゲインブロックが基本モードの高輝度出力光を出力するように該Ybゲインブロックをエンドポンプ式又はサイドポンプ式でポンピングするように光学的に組み合わせられているHPUBLNS。 - 増幅されたローノイズポンプ出力を受信し案内するコアを備えた伝送ファイバをさらに備え、前記伝送ファイバの前記コアはMM結合器ポンプ光源のコア直径より小さなコア直径で構成されている請求項1記載のHPUBLNS。
- 波長変換器は、増幅されたローノイズポンプ出力が多くても0.1RMSの二乗平均平方根(RMS)値を有するように構成される請求項1記載のHPUBLNS。
- サブポンプ光波長λspは、約910〜975nmの波長範囲で変化する請求項1記載のHPUBLNS。
- 波長変換器は、MM Ybドープファイバと、Ybドープファイバの各対向端部に接合され、出力パッシブファイバに接合された伝送ファイバのコア直径とほぼ等しい均一なコア直径を有する入力および出力パッシブMMファイバとで構成され、
Ybドープファイバ、入力パッシブファイバは、ピグテール式レーザダイオードの出力ファイバと接合される請求項1記載のHPUBLNS。 - 前記Ybゲインブロックが増幅されたローノイズポンプ光を受信し、ポンプ出力波長λpより大きい波長でSM光出力を発生するように動作するSM Ybドープ光ファイバ発振器を備える請求項1記載のHPUBLNS。
- SM Yb光ファイバ発振器は、
所望の波長範囲でシングル基本モードを実質的にサポートするように構成されたMMコアを備えたダブルクラッドYbドープファイバと、
Ybドープファイバの各対向端部に接合され、シングルモードのコアをそれぞれ有する、離隔したダブルクラッド入力および出力パッシブファイバと、
Ybレーザが約1015〜1030nmの波長範囲で基本モードでSMポンプ光を出力するように、パッシブファイバのSMコアにそれぞれ設けられた、一対のファイバブラッググレーティングと、を含む請求項6記載のHPUBLNS。 - 伝送ファイバのコアは、少なくとも50ミクロンである請求項2記載のHPUBLNS。
- Δλ=λp−λsp<0.1λsp(λpはポンプ出力の波長、λspはサブポンプ波長)を満たす請求項1記載のHPUBLNS。
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PCT/US2011/048186 WO2013025218A1 (en) | 2011-08-18 | 2011-08-18 | High power fiber pump source with high brightness low noise output in about 974 - 1030 nm wavelength range |
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- 2011-08-18 JP JP2014525980A patent/JP6058669B2/ja active Active
- 2011-08-18 RU RU2013151819/28A patent/RU2591586C2/ru active
- 2011-08-18 KR KR2020137000059U patent/KR20140002392U/ko not_active Application Discontinuation
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EP2748901A4 (en) | 2015-08-12 |
WO2013025218A1 (en) | 2013-02-21 |
EP2748901B1 (en) | 2018-04-04 |
KR101708845B1 (ko) | 2017-02-21 |
RU2013151819A (ru) | 2015-09-27 |
US9300108B2 (en) | 2016-03-29 |
KR20140097376A (ko) | 2014-08-06 |
EP2748901A1 (en) | 2014-07-02 |
US20140218788A1 (en) | 2014-08-07 |
CN103765705B (zh) | 2017-03-29 |
JP2014533428A (ja) | 2014-12-11 |
KR20140002392U (ko) | 2014-04-24 |
RU2591586C2 (ru) | 2016-07-20 |
CN103765705A (zh) | 2014-04-30 |
BR112014000056A2 (pt) | 2017-02-07 |
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