JP7416721B2 - 不安定光共振器レイアウト内の出力ビームの成形された強度プロフィールを提供するレーザーシステム及びその方法 - Google Patents
不安定光共振器レイアウト内の出力ビームの成形された強度プロフィールを提供するレーザーシステム及びその方法 Download PDFInfo
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- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1106—Mode locking
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- 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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- H01S3/09—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
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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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- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
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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
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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
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
- H01S3/2308—Amplifier arrangements, e.g. MOPA
- H01S3/2325—Multi-pass amplifiers, e.g. regenerative amplifiers
- H01S3/235—Regenerative amplifiers
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- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Description
2 部分反射凸面出力結合ミラー
3 活性媒質
4 ポンプされる領域(活性媒質内の)
5 共振器内ビーム
6 光ポンプビーム
7 成形されたレーザービーム
8 偏光子
9 1/4波長板
10 凸面ミラー
11 ポッケルスセル
Claims (9)
- 不安定光共振器レイアウト内の出力ビーム(7)の成形された強度プロフィールを提供するレーザーシステムであって、
前記不安定光共振器に光ポンプビームを結合するためのダイクロイックミラーと、
ポンプされる領域(4)を備える活性媒質(3)であって、利得分布がそこに生成される活性媒質(3)と、を備え、
共振器内ビームは、利得変調され、前記レーザーシステムは、さらに、
反射性の凸面ミラーと、
アパーチャを導入することなく出力ビームを放出するように構成された可変偏光出力結合であって、前記出力結合は、前記不安定光共振器レイアウト内にある可変偏光出力結合と、を備える
ことを特徴とするレーザーシステム。 - 空間成形された光ポンプビーム(6)を前記活性媒質(3)に届けるために端部からポンプされるレイアウトを更に備える請求項1記載のレーザーシステム。
- 前記活性媒質(3)は低利得材料、好ましくは固体媒質、より好ましくはネオジウム、エルビウム、イッテルビウム、ツリウムから成るグループから選択された元素がドープされた材料でできていることを特徴とする、請求項1又は2記載のレーザーシステム。
- 該システムは共振器損失を変えるために少なくとも1つの能動素子及び/又は少なくとも1つの受動素子を更に備えることを特徴とする、請求項1から3いずれか1項記載のレーザーシステム。
- 該システムは、偏光子(8)及び偏光回転素子から成るグループから選択された出力結合手段を備えることを特徴とする、請求項1から4いずれか1項記載のレーザーシステム。
- Qスイッチ又はキャビティダンプ動作モードで使用するか、又は再生増幅器として又はモード同期法で使用するための、請求項1から5いずれか1項記載のレーザーシステム。
- 活性媒質(3)を備える不安定光共振器レイアウト内のレーザービーム(7)のモード成形の方法であって、
空間成形された光ポンプビーム(6)を前記活性媒質(3)に届けるステップと、
前記空間的に成形された光ポンプビームをダイクロイックミラーによって前記不安定光共振器に入力結合するステップと、
励起領域を含む前記活性媒質において、前記空間的に成形された光ポンプビームと共振器内ビームを利得変調するステップであって、その中で利得分布を生成するステップと、
前記共振器内ビームを、アパーチャを導入することなく、前記不安定光共振器内で可変偏光出力結合により出力結合するステップと、を含む、方法。 - 少なくとも1つの能動素子及び/又は少なくとも1つの受動素子を使用することで共振器損失を変えることを特徴とする請求項7記載の方法。
- 前記レーザービーム(7)は、ビームスプリッター、偏光子(8)及び偏光回転素子から成るグループから選択された手段によって取り出されることを特徴とする請求項7又は8記載の方法。
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CZPV2018-228 | 2018-05-17 | ||
CZ2018-228A CZ307955B6 (cs) | 2018-05-17 | 2018-05-17 | Laserový systém v uspořádání nestabilního optického rezonátoru poskytující tvarovaný profil intenzity výstupního svazku a způsob jeho vytvoření |
PCT/CZ2019/050020 WO2019219101A1 (en) | 2018-05-17 | 2019-05-17 | A laser system providing a shaped intensity profile of an output beam within an unstable optical resonator layout and method thereof |
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JP2016092420A (ja) | 2014-11-04 | 2016-05-23 | ハイ キュー レーザー ゲゼルシャフト ミット ベシュレンクテル ハフツングHigh Q Laser GmbH | ポッケルスセルをスイッチングすることによりバーストモードを生成するための方法 |
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IT1188606B (it) | 1986-01-29 | 1988-01-20 | Consiglio Nazionale Ricerche | Risonatore laser instabile con accoppiatore di uscita a riflettivita' radialmente variabile |
US5115445A (en) * | 1988-02-02 | 1992-05-19 | Massachusetts Institute Of Technology | Microchip laser array |
JP2760116B2 (ja) * | 1989-12-18 | 1998-05-28 | 三菱電機株式会社 | 固体レーザ装置 |
US5022043A (en) * | 1989-12-20 | 1991-06-04 | Spectra-Physics | High power diode-pumped solid state laser with unstable resonator |
US5886972A (en) * | 1996-01-03 | 1999-03-23 | Motorola | Recording information in a phase change optical medium with a vertical cavity surface emitting laser |
US5943358A (en) * | 1997-07-09 | 1999-08-24 | The United States Of America As Represented By The Secretary Of The Army | Non-confocal unstable laser resonator and outcoupler |
US9031113B2 (en) * | 2009-04-30 | 2015-05-12 | Csir | Resonator with intracavity transformation of a Gaussian into a top-hat beam |
DE102012022068A1 (de) * | 2012-11-09 | 2014-05-15 | Rwth Aachen | Optisch endgepumpter Slab-Verstärker mit verteilt angeordneten Pumpmodulen |
WO2015059630A1 (en) * | 2013-10-23 | 2015-04-30 | Csir | A beam-shaping amplifier containing a crystalline gain medium |
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CZ2018228A3 (cs) | 2019-09-11 |
CZ307955B6 (cs) | 2019-09-11 |
WO2019219101A1 (en) | 2019-11-21 |
US20210167567A1 (en) | 2021-06-03 |
EP3729573A1 (en) | 2020-10-28 |
KR102457439B1 (ko) | 2022-10-21 |
JP2021522677A (ja) | 2021-08-30 |
KR20210020026A (ko) | 2021-02-23 |
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