JP4041079B2 - スイープされた波長の広帯域ラマンポンプ源 - Google Patents
スイープされた波長の広帯域ラマンポンプ源 Download PDFInfo
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- JP4041079B2 JP4041079B2 JP2004077759A JP2004077759A JP4041079B2 JP 4041079 B2 JP4041079 B2 JP 4041079B2 JP 2004077759 A JP2004077759 A JP 2004077759A JP 2004077759 A JP2004077759 A JP 2004077759A JP 4041079 B2 JP4041079 B2 JP 4041079B2
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- pulse train
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- 238000001069 Raman spectroscopy Methods 0.000 title claims description 28
- 239000006185 dispersion Substances 0.000 claims description 39
- 239000000835 fiber Substances 0.000 claims description 39
- 230000003287 optical effect Effects 0.000 claims description 15
- 230000003321 amplification Effects 0.000 claims description 11
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 description 17
- 238000005086 pumping Methods 0.000 description 5
- 230000003595 spectral effect Effects 0.000 description 5
- 230000002123 temporal effect Effects 0.000 description 4
- 229910052691 Erbium Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 229910052775 Thulium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920006240 drawn fiber Polymers 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
- H04B10/2916—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing using Raman or Brillouin amplifiers
-
- 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
-
- 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
- H01S3/30—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects
- H01S3/302—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range using scattering effects, e.g. stimulated Brillouin or Raman effects in an optical fibre
-
- 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
- H01S3/094042—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a fibre laser
- H01S3/094046—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a fibre laser of a Raman fibre laser
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Lasers (AREA)
Description
Claims (10)
- 光信号増幅のためのラマンポンプ源であって、
規定された波長に中心合わせされた、連続するフェムト秒光パルストレインを生成する光パルストレイン信号源と、
前記パルストレインに負の分散を加えて、前記パルストレインの隣接するパルスが時間領域で重なり合うように前記パルスを延伸することによって、重なり合った前記パルストレインが、重なり間隔の周期で繰り返しそして直線的にチャープする波長を有するようにする、前記光パルストレイン信号源の出力に結合された線形分散素子とを備えることを特徴とするポンプ源。 - 前記ポンプ源がさらに、前記線形分散素子からの各々のパルスの出力を整形して前記パルストレインに沿って所定のゲインレベルを生成するゲイン平坦化フィルタを備えることを特徴とする請求項1に記載のポンプ源。
- 前記線形分散素子が所定の長さの負の分散シフトファイバのセクションを備え、前記負の分散シフトファイバのセクションの長さが、前記フェムト秒パルストレインに導入された延伸量に正比例して、隣接するパルスの間の時間での十分な重なりを提供することを特徴とする請求項1に記載のポンプ源。
- 前記線形分散素子が、縦続接続されたファイバブラッグ格子を備えることを特徴とする請求項1に記載のポンプ源。
- 前記光パルストレイン信号源が、モードロックされたErレーザを備えることを特徴とする請求項1に記載のポンプ源。
- 前記光パルストレイン信号源が、前記光パルストレインの中心波長を所定の波長領域にシフトさせる、高非線形性分散シフトファイバのセクションをさらに備えることを特徴とする請求項5に記載のポンプ源。
- 前記ポンプ源が、前記スイープされた波長の源の繰り返しレートを増加させる、前記線形分散素子の出力に結合された非平衡干渉計をさらに備えることを特徴とする請求項1に記載のポンプ源。
- 前記非平衡干渉計が、前記干渉計の第1のアームに沿って配置された遅延素子を有するマッハツェンダー干渉計を備えることを特徴とする請求項7に記載のポンプ源。
- 前記遅延素子が、所望の量の遅延を導入するのに十分な長さの単一モード・ファイバのセクションを備えることを特徴とする請求項8に記載のポンプ源。
- 前記ポンプ源が、前記線形分散素子の出力に接続して配置された出力パワー増幅器をさらに備え、前記出力パワー増幅器が、ラマン増幅プロセスでの使用のために出力パワーを増大することを特徴とする請求項1に記載のポンプ源。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/390,859 US6967767B2 (en) | 2003-03-18 | 2003-03-18 | Swept wavelength broadband Raman pump source |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2004280118A JP2004280118A (ja) | 2004-10-07 |
JP2004280118A5 JP2004280118A5 (ja) | 2005-05-26 |
JP4041079B2 true JP4041079B2 (ja) | 2008-01-30 |
Family
ID=32824847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004077759A Expired - Fee Related JP4041079B2 (ja) | 2003-03-18 | 2004-03-18 | スイープされた波長の広帯域ラマンポンプ源 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6967767B2 (ja) |
EP (1) | EP1460783B1 (ja) |
JP (1) | JP4041079B2 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10160662A1 (de) * | 2001-12-11 | 2003-06-18 | Baerlocher Gmbh | Stabilisatorzusammensetzung, deren Herstellung und Verwendung |
JP2005010212A (ja) * | 2003-06-16 | 2005-01-13 | Sumitomo Electric Ind Ltd | ラマン増幅器および光伝送システム |
JP2007193230A (ja) * | 2006-01-20 | 2007-08-02 | Sumitomo Electric Ind Ltd | 光源装置 |
JP4882386B2 (ja) * | 2006-01-20 | 2012-02-22 | 住友電気工業株式会社 | 光源装置 |
US20070266476A1 (en) * | 2006-05-08 | 2007-11-22 | Ellen Siegel Ulrich | Head Covering With Magnetic Closure |
AT506600B1 (de) * | 2008-05-02 | 2009-10-15 | Univ Wien Tech | Anordnung zur optischen verstärkung von lichtpulsen |
BR112013021463A2 (pt) | 2011-02-24 | 2016-11-01 | Eximo Medical Ltd | cateter híbrido para ressecção de tecido |
EP3552571B1 (en) | 2014-05-18 | 2024-09-25 | Eximo Medical Ltd. | System for tissue ablation using pulsed laser |
WO2017191644A1 (en) | 2016-05-05 | 2017-11-09 | Eximo Medical Ltd | Apparatus and methods for resecting and/or ablating an undesired tissue |
WO2020092707A2 (en) * | 2018-11-01 | 2020-05-07 | Ofs Fitel, Llc | Wavelength-swept light source |
US12038322B2 (en) | 2022-06-21 | 2024-07-16 | Eximo Medical Ltd. | Devices and methods for testing ablation systems |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4794598A (en) | 1986-07-18 | 1988-12-27 | The Board Of Trustees Of The Leland Stanford Junior University | Synchronously pumped ring fiber Raman laser |
US5847863A (en) * | 1996-04-25 | 1998-12-08 | Imra America, Inc. | Hybrid short-pulse amplifiers with phase-mismatch compensated pulse stretchers and compressors |
US5959750A (en) | 1996-06-06 | 1999-09-28 | Lucent Technologies Inc. | Method of upgrading transmission capacity by Raman amplification |
GB2316759A (en) | 1996-07-30 | 1998-03-04 | Northern Telecom Ltd | Optical multiplexer/demultiplexer having diffraction gratings in tandem |
US6212310B1 (en) | 1996-10-22 | 2001-04-03 | Sdl, Inc. | High power fiber gain media system achieved through power scaling via multiplexing |
US5880866A (en) | 1996-11-13 | 1999-03-09 | At&T Corp | Time division demultiplexing using selective Raman amplification |
US6052393A (en) | 1996-12-23 | 2000-04-18 | The Regents Of The University Of Michigan | Broadband Sagnac Raman amplifiers and cascade lasers |
CN1211841A (zh) | 1997-09-12 | 1999-03-24 | 三星电子株式会社 | 用于光纤放大的大功率泵浦器件 |
WO1999066607A2 (en) | 1998-06-16 | 1999-12-23 | Xtera Communications, Inc. | Fiber-optic compensation for dispersion, gain tilt, and band pump nonlinearity |
US6359725B1 (en) | 1998-06-16 | 2002-03-19 | Xtera Communications, Inc. | Multi-stage optical amplifier and broadband communication system |
US6275512B1 (en) * | 1998-11-25 | 2001-08-14 | Imra America, Inc. | Mode-locked multimode fiber laser pulse source |
US6456756B1 (en) | 1999-10-25 | 2002-09-24 | Aculight Corporation | Fiber raman amplifier pumped by an incoherently beam combined diode laser |
US6775447B2 (en) * | 2002-09-20 | 2004-08-10 | Fitel Usa Corp. | All fiber low noise supercontinuum source |
US7256885B2 (en) * | 2003-01-29 | 2007-08-14 | Yeda Research And Development Company Ltd. | Coherently controlled nonlinear Raman spectroscopy and microscopy |
-
2003
- 2003-03-18 US US10/390,859 patent/US6967767B2/en not_active Expired - Lifetime
-
2004
- 2004-03-16 EP EP04006263A patent/EP1460783B1/en not_active Expired - Lifetime
- 2004-03-18 JP JP2004077759A patent/JP4041079B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6967767B2 (en) | 2005-11-22 |
EP1460783A2 (en) | 2004-09-22 |
JP2004280118A (ja) | 2004-10-07 |
US20040196531A1 (en) | 2004-10-07 |
EP1460783A3 (en) | 2004-11-10 |
EP1460783B1 (en) | 2011-08-31 |
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