JP2010512651A - レーザ - Google Patents
レーザ Download PDFInfo
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- JP2010512651A JP2010512651A JP2009540545A JP2009540545A JP2010512651A JP 2010512651 A JP2010512651 A JP 2010512651A JP 2009540545 A JP2009540545 A JP 2009540545A JP 2009540545 A JP2009540545 A JP 2009540545A JP 2010512651 A JP2010512651 A JP 2010512651A
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- 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
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
- H01S3/109—Frequency multiplication, e.g. harmonic generation
-
- 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
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08072—Thermal lensing or thermally induced birefringence; Compensation 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/0813—Configuration of resonator
- H01S3/0815—Configuration of resonator having 3 reflectors, e.g. V-shaped resonators
-
- 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
- H01S3/094049—Guiding of the pump light
- H01S3/094053—Fibre coupled pump, e.g. delivering pump light using a fibre or a fibre bundle
-
- 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
- H01S3/09415—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-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
- 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
- H01S3/1306—Stabilisation of the amplitude
-
- 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
- H01S3/136—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity
-
- 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
- H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
-
- 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
- H01S3/163—Solid materials characterised by a crystal matrix
- H01S3/164—Solid materials characterised by a crystal matrix garnet
- H01S3/1643—YAG
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
Description
さらなる目的が、以下の説明から明らかである。
本発明の異なる実施形態を記載する際に、共通の参照数字を用いて同様の特徴を記載する。
レーザ装置は最少の光学部品を有する。従って、共振器内損失が最小である。また、レーザは、熱的に安定させるべき要素が少ないため、従来技術において公知のものよりも安定している。簡素なデザインであるために、非常にコンパクトなデバイスを構成することができ、ミラー11とミラー13との間の40mmのビーム経路長が容易に実現可能である。
Claims (19)
- 第1の端部のミラー、第2の端部のミラー、および出力カプラによって規定される曲がり共振器と、
前記共振器内において前記第1の端部のミラーと前記出力カプラとの間に設けられた、基本波長において基本的な光放射を発生する光学的に等方なアクティブ利得媒体と、
前記共振器内において前記第2の端部のミラーと前記出力カプラとの間に設けられた、前記基本波長における光放射を出力波長に、タイプ1の位相整合を用いて変換する非線形結晶と、を備え、
前記第1の端部のミラーは、前記基本波長において高い反射率を有し、
前記第2の端部のミラーは、前記基本波長において高い反射率を有し、かつ、前記出力波長において高い反射率を有し、
前記出力カプラは、前記基本放射の特定の偏光において高い反射率を有し、前記基本放射の直交偏光において低い反射率を有し、かつ、前記出力波長において高い透過率を有するレーザ装置。 - ポンプ波長においてレーザ放射を発生するレーザ・ダイオード・ポンプをさらに備える請求項1に記載のレーザ装置。
- 前記第1の端部のミラーが前記ポンプ波長において高い透過率を有する請求項2に記載のレーザ装置。
- 前記レーザ・ダイオード・ポンプが、800nm〜810nmのポンプ波長範囲においてレーザ放射を発生するファイバ結合レーザ・ダイオード・アレイである請求項2に記載のレーザ装置。
- 前記利得媒体が、1123nmの基本波長において基本放射を発生するNd:Agである請求項1に記載のレーザ装置。
- 前記利得媒体が、Er:YAG、Yb:YAG、Ho:YAG、およびTm:YAGから選択される請求項1に記載の装置。
- 前記非線形結晶は、タイプ1の位相整合によって561.5nmの出力波長を発生する周波数倍増結晶である請求項1に記載のレーザ装置。
- 前記周波数倍増結晶が、温度固定デバイスによって熱的に安定化されている請求項7に記載のレーザ装置。
- 前記温度固定デバイスが、前記周波数倍増結晶に隣接して配置される熱電対によって駆動されるフィードバック・ループを伴うペルチエ効果冷却器である請求項8に記載のレーザ装置。
- 前記出力カプラが共振器内偏光子として機能することにより、別の偏光光学部品を必要としない請求項1に記載のレーザ装置。
- 前記光学的に等方なアクティブ利得媒体は、熱的に誘起される複屈折が最小限になるように切断され、載置され、かつ冷却される請求項1に記載のレーザ装置。
- 前記光学的に等方なアクティブ利得媒体が、配向<100>の方向に切断されている請求項11に記載のレーザ装置。
- 前記光学的に等方なアクティブ利得媒体がヒートシンクによって冷却される請求項11に記載のレーザ装置。
- 前記ヒートシンクは、前記光学的に等方なアクティブ利得媒体の端部に配置される拡散接合された不純物添加のないキャップを含む請求項13に記載のレーザ装置。
- 前記非線形結晶は、前記出力波長の最も効率的な発生が得られるように切断されて配向される請求項1に記載のレーザ装置。
- 前記非線形結晶が周波数倍増LBO結晶である請求項1に記載のレーザ装置。
- 前記非線形結晶が周波数倍増BIBO結晶である請求項1に記載のレーザ装置。
- 前記共振器のすべての光学素子を同じ温度に維持するための冷却手段をさらに備える請求項1に記載のレーザ装置。
- 前記共振器が水冷式の銅ブロック上に載置される請求項18に記載のレーザ装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006907027A AU2006907027A0 (en) | 2006-12-15 | Laser | |
PCT/AU2007/001912 WO2008070911A1 (en) | 2006-12-15 | 2007-12-12 | Laser |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2010512651A true JP2010512651A (ja) | 2010-04-22 |
Family
ID=39511147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009540545A Pending JP2010512651A (ja) | 2006-12-15 | 2007-12-12 | レーザ |
Country Status (6)
Country | Link |
---|---|
US (1) | US8194708B2 (ja) |
EP (1) | EP2097956A4 (ja) |
JP (1) | JP2010512651A (ja) |
AU (1) | AU2007332146A1 (ja) |
CA (1) | CA2672614A1 (ja) |
WO (1) | WO2008070911A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015084390A (ja) * | 2013-10-25 | 2015-04-30 | 大学共同利用機関法人自然科学研究機構 | Qスイッチレーザー装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5056629B2 (ja) * | 2008-07-04 | 2012-10-24 | セイコーエプソン株式会社 | レーザ光源装置、波長変換素子、波長変換素子の製造方法、プロジェクタ、モニタ装置 |
DE102008036254A1 (de) * | 2008-08-04 | 2010-02-11 | Osram Opto Semiconductors Gmbh | Halbleiterlaser |
KR102104782B1 (ko) * | 2016-01-18 | 2020-04-27 | 미쓰비시덴키 가부시키가이샤 | 레이저 광을 위한 파워 밸런스 장치, 레이저 가공 장치 |
CN112993733B (zh) * | 2021-02-02 | 2022-06-03 | 长春理工大学 | 一种基于Er:YAG中红外光参量振荡器光控波长选择泵浦源 |
Citations (10)
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JPH0575196A (ja) * | 1991-02-28 | 1993-03-26 | Amoco Corp | 単一周波数の周波数2倍化レーザ及び単一周波数の緑色又は青色光を発生する方法 |
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JP2002057388A (ja) * | 2000-08-11 | 2002-02-22 | Nippon Avionics Co Ltd | 固体レーザ発振器 |
JP2003204102A (ja) * | 2002-01-09 | 2003-07-18 | Nidek Co Ltd | 眼科用レーザ装置 |
JP2003229619A (ja) * | 2002-02-01 | 2003-08-15 | Japan Science & Technology Corp | 光学素子 |
WO2004095660A1 (en) * | 2003-04-23 | 2004-11-04 | Bright Solutions - Soluzioni Laser Innovative Srl | Laser apparatus for generating a visible laser beam |
JP2005503676A (ja) * | 2001-09-20 | 2005-02-03 | ファウ. カールプシュコ,フェドール | レーザ放射の共振器内周波数変換 |
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2007
- 2007-12-12 JP JP2009540545A patent/JP2010512651A/ja active Pending
- 2007-12-12 AU AU2007332146A patent/AU2007332146A1/en not_active Abandoned
- 2007-12-12 CA CA002672614A patent/CA2672614A1/en not_active Abandoned
- 2007-12-12 WO PCT/AU2007/001912 patent/WO2008070911A1/en active Application Filing
- 2007-12-12 EP EP07845354A patent/EP2097956A4/en not_active Withdrawn
- 2007-12-12 US US12/519,084 patent/US8194708B2/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0590686A (ja) * | 1991-01-07 | 1993-04-09 | Amoco Corp | コヒーレント光放射を生成する方法及び装置 |
JPH0575196A (ja) * | 1991-02-28 | 1993-03-26 | Amoco Corp | 単一周波数の周波数2倍化レーザ及び単一周波数の緑色又は青色光を発生する方法 |
JPH11505376A (ja) * | 1995-05-19 | 1999-05-18 | スペクトラ−フィジックス レイザーズ インコーポレイテッド | ダイオードポンプ式の多軸モードキャビティ内倍周波数レーザ |
JP2002057388A (ja) * | 2000-08-11 | 2002-02-22 | Nippon Avionics Co Ltd | 固体レーザ発振器 |
JP2005503676A (ja) * | 2001-09-20 | 2005-02-03 | ファウ. カールプシュコ,フェドール | レーザ放射の共振器内周波数変換 |
JP2003204102A (ja) * | 2002-01-09 | 2003-07-18 | Nidek Co Ltd | 眼科用レーザ装置 |
JP2003229619A (ja) * | 2002-02-01 | 2003-08-15 | Japan Science & Technology Corp | 光学素子 |
WO2004095660A1 (en) * | 2003-04-23 | 2004-11-04 | Bright Solutions - Soluzioni Laser Innovative Srl | Laser apparatus for generating a visible laser beam |
JP2006525676A (ja) * | 2003-05-02 | 2006-11-09 | ライトウェーブ エレクトロニクス コーポレイション | 内部赤外誘導損傷への耐性を有するレーザ |
JP2008522432A (ja) * | 2004-11-30 | 2008-06-26 | エレクトロ サイエンティフィック インダストリーズ インコーポレーテッド | 耐久性高パワーレーザの波長変換用非線形水晶の改良 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015084390A (ja) * | 2013-10-25 | 2015-04-30 | 大学共同利用機関法人自然科学研究機構 | Qスイッチレーザー装置 |
Also Published As
Publication number | Publication date |
---|---|
CA2672614A1 (en) | 2008-06-19 |
EP2097956A4 (en) | 2013-01-09 |
WO2008070911A1 (en) | 2008-06-19 |
EP2097956A1 (en) | 2009-09-09 |
US20100150187A1 (en) | 2010-06-17 |
US8194708B2 (en) | 2012-06-05 |
AU2007332146A1 (en) | 2008-06-19 |
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