JP4800967B2 - パルスデカップリング原理に従う超短パルス生成のための高繰り返しレーザーシステム - Google Patents
パルスデカップリング原理に従う超短パルス生成のための高繰り返しレーザーシステム Download PDFInfo
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Description
2 高電圧供給源
3 スイッチング信号発生器
4 薄膜偏光子
5 高反射部材
6a-d 分散性平面ミラー
7a-g 分散性平面ミラー
8a-i 分散性曲面ミラー
9 ポンプダイオード
10 色消しレンズ
11 レーザー媒質
12 フォトダイオード
13 複屈折フィルタ
14 飽和吸収可能なミラー
Claims (18)
- 少なくとも増幅用レーザー媒質(11,11’)と、
少なくとも一つの共振ミラー(6a−d,7a−g,8a−i,16,14,14’)と少なくとも一つのパルスデカップリング部品(1,1’)を備えたレーザー共振器と、
飽和吸収可能なミラー(14,14’)と、
前記レーザー媒質(11,11’)をポンピングするためのポンプ源(9,9’)とを備え、
前記パルスデカップリング部品(1,1’)が電気光学的変調器であり、10kHzより大きな繰り返し率を有する超短パルスを生成することを特徴とする、
パルスデカップリング原理に従う、フェムト又はピコ秒パルスを生成するための高繰り返しモードカップルド超短パルスレーザーシステム。 - 前記ポンプ源はレーザーダイオード源から構成されることを特徴とする請求項1記載の超短パルスレーザーシステム。
- 前記電気光学的変調器がBBOセルであることを特徴とする請求項1記載の超短パルスレーザーシステム。
- 前記電気光学的変調器がRTPセルであることを特徴とする請求項1記載の超短パルスレーザーシステム。
- 前記RTPセルは熱的ドリフトを補償するための部品を有することを特徴とする請求項4記載の超短パルスレーザーシステム。
- 前記共振ミラーの少なくとも1つが分散補償のための少なくとも一つの分散ミラー(6a−d,7a−g,8a−i)から構成される請求項1ないし5のいずれか1項記載の超短パルスレーザーシステム。
- 前記分散ミラー(6a−d,7a−g,8a−i)は、Gires−Tournois干渉計を備えることを特徴とする請求項6記載の超短パルスレーザーシステム。
- ピコ秒パルスの生成において、非線形位相が100mrad未満であって、コンピュータにより前記非線形位相が共振サイクル毎に計算され、飽和吸収ミラーの1%の変調深さ毎に計算されるように、前記レーザーシステムが形成されることを特徴とする請求項6記載の超短パルスレーザーシステム。
- 非線形位相が10mrad未満であることを特徴とする請求項8記載の超短パルスレーザーシステム。
- フェムト秒パルスの生成において、ソリトン周期に対する前記レーザー共振器における共振周期の比を示すrパラメータが1未満であるように前記レーザーシステムが形成されることを特徴とする請求項1ないし9のいずれか1項記載の超短パルスレーザーシステム。
- 前記rパラメータが0.25未満であることを特徴とする請求項10または11記載の超短パルスレーザーシステム。
- 前記レーザー媒質(11,11’)がイッテルビウムをドープしたガラス又はNd:YVO4であることを特徴とする請求項1ないし12のいずれか1項記載の超短パルスレーザーシステム。
- 前記レーザー媒質(11,11’)がイッテルビウムをドープしたタングステン酸塩から構成されることを特徴とする請求項1ないし13のいずれか1項記載の超短パルスレーザーシステム。
- 前記レーザー媒質(11,11’)はYb:KGW又はYb:KYWから構成されることを特徴とする請求項14記載の超短パルスレーザーシステム。
- 前記レーザー媒質が、円板状の幾何学形状を有することを特徴とする請求項1ないし15のいずれか1項記載の超短パルスレーザーシステム。
- 長さ対幅の比が少なくとも2:1のポンプ光スポットが形成され、前記ポンプ光スポットが単一光線又は複数の光線の組み合わせからなり、前記光線は好ましくはレーザーダイオードによって生成されるように、前記ポンプ源が設けられ配置されたことを特徴とする請求項1ないし16のいずれか1項記載の超短パルスレーザーシステム。
- プラズマ発生による直接材料加工のための、請求項1ないし17のいずれか1項記載の超短パルスレーザーシステムの使用。
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US52821603P | 2003-12-10 | 2003-12-10 | |
US60/528,216 | 2003-12-10 | ||
US58673504P | 2004-07-12 | 2004-07-12 | |
US60/586,735 | 2004-07-12 | ||
PCT/EP2004/014078 WO2005057741A1 (de) | 2003-12-10 | 2004-12-10 | Hochrepetierendes lasersystem zur erzeugung von ultrakurzen pulsen nach dem prinzip der puls-auskopplung |
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JP2008537351A (ja) * | 2005-04-21 | 2008-09-11 | コアレイズ オイ | 可飽和吸収構造体 |
US20080273559A1 (en) * | 2007-05-04 | 2008-11-06 | Ekspla Ltd. | Multiple Output Repetitively Pulsed Laser |
JP2010258198A (ja) * | 2009-04-24 | 2010-11-11 | Fujifilm Corp | モード同期固体レーザ装置 |
US8479834B2 (en) * | 2009-10-19 | 2013-07-09 | Greatpoint Energy, Inc. | Integrated enhanced oil recovery process |
JP5311501B2 (ja) * | 2010-02-24 | 2013-10-09 | 学校法人慶應義塾 | ホウ素ドープダイヤモンド電極を用いたpHの測定方法及び装置 |
AT510116B1 (de) | 2010-06-22 | 2012-06-15 | High Q Laser Gmbh | Laser |
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- 2004-12-10 DE DE502004006221T patent/DE502004006221D1/de active Active
- 2004-12-10 WO PCT/EP2004/014078 patent/WO2005057741A1/de active IP Right Grant
- 2004-12-10 JP JP2006543490A patent/JP4800967B2/ja not_active Expired - Fee Related
- 2004-12-10 US US10/581,893 patent/US7907644B2/en not_active Expired - Fee Related
- 2004-12-10 EP EP04820063A patent/EP1692749B1/de not_active Not-in-force
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US5848080A (en) * | 1997-05-12 | 1998-12-08 | Dahm; Jonathan S. | Short pulsewidth high pulse repetition frequency laser |
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WO2005057741A1 (de) | 2005-06-23 |
US20070104230A1 (en) | 2007-05-10 |
DE502004006221D1 (de) | 2008-03-27 |
JP2007514307A (ja) | 2007-05-31 |
EP1692749B1 (de) | 2008-02-13 |
US7907644B2 (en) | 2011-03-15 |
EP1692749A1 (de) | 2006-08-23 |
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