JP6545899B2 - セルフシーディング高出力レーザー - Google Patents
セルフシーディング高出力レーザー Download PDFInfo
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Description
Claims (17)
- セルフシーディング高出力レーザーであって:
空間フィルター;
前記空間フィルターからの低パワー非歪み光学ビームを循環させるための光学リレー;
前記低パワー非歪み光学ビームの位相面を適応的に変更するために前記光学リレーの出力に光学的に結合される適応光学系;
高パワー非歪み光学ビームを生成するために前記適応光学系の位相制御素子の出力に光学的に結合される高出力増幅器であり、前記適応光学系により射出された適応的に変更された位相面が、当該高出力増幅器によりもたらされる歪みを打ち消して前記高パワー非歪み光学ビームを生成する、高出力増幅器;
前記高パワー非歪み光学ビームをセルフシーディング高出力レーザーの出力としての高パワー出力ビームと低パワービームとに分割するために前記高出力増幅器に光学的に結合されたビームスプリッター;
前記低パワービームを前記空間フィルターに集束させる集束レンズ;
前記空間フィルターによりフィルタリングされた前記低パワービームのメトリックを検出する検出器;及び
前記の検出されたメトリックに基づいて、前記の検出されたメトリックを入力し、前記適応光学系を適応的に制御して、前記高出力増幅器のパワーを最大化するためのコントローラー;
を有するセルフシーディング高出力レーザー。 - 請求項1に記載されたセルフシーディング高出力レーザーであって、前記検出器がパワー検出器であり、前記メトリックが前記低パワービームのパワーである、セルフシーディング高出力レーザー。
- 請求項1に記載されたセルフシーディング高出力レーザーであって、前記検出器が波面センサー検出器であり、前記メトリックが前記低パワービームの波面である、セルフシーディング高出力レーザー。
- 請求項1に記載されたセルフシーディング高出力レーザーであって、前記空間フィルターがシングルモードファイバー、ピンホール又はスリットである、セルフシーディング高出力レーザー。
- 請求項1に記載されたセルフシーディング高出力レーザーであって、前記光学リレーが、前記低パワービームを増幅するための10を超える利得を伴う能動シングルモードファイバーを含む、セルフシーディング高出力レーザー。
- 請求項1に記載されたセルフシーディング高出力レーザーであって、さらに
前記低パワー非歪み光学ビームを前記適応光学系に結合するためのビーム成形又はフォーマッティング光学系;
を有する、セルフシーディング高出力レーザー。 - 請求項6に記載されたセルフシーディング高出力レーザーであって、前記ビーム成形又はフォーマッティング光学系が1つ又は複数のレンズである、セルフシーディング高出力レーザー。
- 請求項6に記載されたセルフシーディング高出力レーザーであって、前記ビーム成形又はフォーマッティング光学系がアフォーカルテレスコープである、セルフシーディング高出力レーザー。
- 請求項6に記載されたセルフシーディング高出力レーザーであって、さらに
高パワービームが前記空間フィルターへと逆行し或いは反射するのを防止するために前記適応光学系と前記光学リレーとの間に光学的に結合されたアイソレーター;
を有するセルフシーディング高出力レーザー。 - セルフシーディング高出力レーザーであって:
空間フィルター;
低パワー非歪み光学ビームを循環させるための光学リレー;
歪みを伴う高パワー光学ビームを生成するために前記光学リレーの出力に光学的に結合された高出力増幅器;
前記の歪みを伴う高パワー光学ビームの位相面を適応的に変更して高パワー非歪み光学ビームを生成するために前記高出力増幅器の出力に光学的に結合された適応光学系であり、当該適応光学系から射出された前記の適応的に変更された位相面が前記高出力増幅器によりもたらされた歪みを打ち消して前記高パワー非歪み光学ビームを生成する、適応光学系;
前記高パワー非歪み光学ビームをセルフシーディング高出力レーザーの出力としての高パワー出力ビームと前記光学リレーにより循環されるべき低パワービームとに分割するために、前記適応光学系の位相制御素子に光学的に結合されたビームスプリッター;
前記低パワービームのメトリックを検出する検出器;
前記の検出されたメトリックに基づいて、前記の検出されたメトリックを入力し、前記適応光学系の位相制御素子を適応的に制御して、前記高パワー出力ビームの位相波面歪みを最小化するためのコントローラー;
を有するセルフシーディング高出力レーザー。 - 請求項10に記載されたセルフシーディング高出力レーザーであって、前記検出器がパワー検出器であり、前記メトリックが前記低パワービームのパワーである、セルフシーディング高出力レーザー。
- 請求項10に記載されたセルフシーディング高出力レーザーであって、前記検出器が波面センサー検出器であり、前記メトリックが前記低パワービームの波面である、セルフシーディング高出力レーザー。
- 請求項10に記載されたセルフシーディング高出力レーザーであって、前記光学リレーが、前記低パワービームを増幅するための10を超える利得を伴う能動シングルモードファイバーを含む、セルフシーディング高出力レーザー。
- 請求項10に記載されたセルフシーディング高出力レーザーであって、さらに
低パワー光学ビームを前記高出力増幅器に結合するためのビーム成形又はフォーマッティング光学系;
を有する、セルフシーディング高出力レーザー。 - 請求項14に記載されたセルフシーディング高出力レーザーであって、前記ビーム成形又はフォーマッティング光学系が1つ又は複数のレンズである、セルフシーディング高出力レーザー。
- 請求項14に記載されたセルフシーディング高出力レーザーであって、前記ビーム成形又はフォーマッティング光学系がアフォーカルテレスコープである、セルフシーディング高出力レーザー。
- 請求項10に記載されたセルフシーディング高出力レーザーであって、さらに
高パワービームが前記空間フィルターへと逆行し或いは反射するのを防止するために前記高出力増幅器と前記光学リレーとの間に光学的に結合されたアイソレーター;
を有するセルフシーディング高出力レーザー。
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US14/836,769 US9502854B1 (en) | 2015-08-26 | 2015-08-26 | Self-seeding high power laser |
US14/836,769 | 2015-08-26 | ||
PCT/US2016/038520 WO2017062076A2 (en) | 2015-08-26 | 2016-06-21 | Self-seeding high power laser |
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US10297968B2 (en) * | 2015-11-25 | 2019-05-21 | Raytheon Company | High-gain single planar waveguide (PWG) amplifier laser system |
GB2576993B (en) * | 2017-05-19 | 2021-12-22 | Kawasaki Heavy Ind Ltd | Adaptive optical apparatus, optical system, and optical wavefront compensation method |
US11646543B2 (en) * | 2017-11-07 | 2023-05-09 | Civan Advanced Technologies Ltd. | Optical phased array dynamic beam shaping with noise correction |
GB2571930B (en) * | 2018-03-09 | 2021-01-13 | Leonardo Mw Ltd | A laser |
JP7207648B2 (ja) | 2018-11-13 | 2023-01-18 | 三菱重工業株式会社 | 光学システムおよび光学補正方法 |
US20220163787A1 (en) * | 2020-11-23 | 2022-05-26 | Coherent Lasersystems Gmbh & Co. Kg | Laser beam wavefront correction with adaptive optics and mid-field monitoring |
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US4249140A (en) * | 1978-05-31 | 1981-02-03 | United Technologies Corporation | Closed loop resonator feedback system |
US5305334A (en) * | 1992-12-16 | 1994-04-19 | Litton Systems, Inc. | Pulsed solid state ring laser injection locking stabilizer |
US6603793B2 (en) * | 2001-05-18 | 2003-08-05 | The Boeing Company | Solid-state laser oscillator with gain media in active mirror configuration |
US6809307B2 (en) | 2001-09-28 | 2004-10-26 | Raytheon Company | System and method for effecting high-power beam control with adaptive optics in low power beam path |
US6782016B2 (en) * | 2001-11-30 | 2004-08-24 | Ut-Battelle, L.L.C. | Master laser injection of broad area lasers |
US7339727B1 (en) * | 2003-01-30 | 2008-03-04 | Northrop Grumman Corporation | Method and system for diffractive beam combining using DOE combiner with passive phase control |
US8731013B2 (en) * | 2007-01-24 | 2014-05-20 | Raytheon Company | Linear adaptive optics system in low power beam path and method |
US8514485B2 (en) * | 2009-08-07 | 2013-08-20 | Northrop Grumman Systems Corporation | Passive all-fiber integrated high power coherent beam combination |
JP5616714B2 (ja) * | 2009-08-07 | 2014-10-29 | ノースロップ グラマン システムズ コーポレーション | 全ファイバ合成高出力コヒーレントビーム結合 |
DE102010048294B4 (de) * | 2010-10-14 | 2021-02-18 | Deutsch-Französisches Forschungsinstitut Saint-Louis | Laseranordnung mit einer Phasenfrontregelung |
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