JP2021525003A - 角度調節を有する交換可能レーザ共振器 - Google Patents
角度調節を有する交換可能レーザ共振器 Download PDFInfo
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- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
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- H01S5/00—Semiconductor lasers
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- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
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- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/14—External cavity lasers
- H01S5/141—External cavity lasers using a wavelength selective device, e.g. a grating or etalon
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- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
- H01S5/4068—Edge-emitting structures with lateral coupling by axially offset or by merging waveguides, e.g. Y-couplers
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- H—ELECTRICITY
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- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4087—Array arrangements, e.g. constituted by discrete laser diodes or laser bar emitting more than one wavelength
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Abstract
Description
本出願は、2018年5月24日に出願された、米国仮特許出願第62/676,041号に基づく利益及び優先権を主張し、その開示の全体は、参照によって本明細書に組み込まれる。
Claims (28)
- 複数の入力ビームを、合成された出力ビーム内に合成するレーザシステムと共に使用するための発振器モジュールであって、
前記発振器モジュールは、前面を有し、
レーザビームソースと、
出力カプラと、
前記レーザシステムへ前記発振器モジュールを、取り外し可能に、かつ強固に連結する手段と、を備え、
前記出力カプラは、前記前面と平行な直交座標軸のペアの周りにおいて回転調節可能である、発振器モジュール。 - 前記発振器モジュールは、レーザビームを受けて、方向付ける回折光学系をさらに備え、
前記回折光学系または前記出力カプラの少なくとも1つは、前記前面と平行な直交座標軸のペアの周りにおいて回転調節可能である、請求項1に記載の発振器モジュール。 - 前記回折光学系及び前記出力カプラの両方が回転調節可能である、請求項2に記載の発振器モジュール。
- 前記回折光学系または前記出力カプラが回転調節可能である、請求項2に記載の発振器モジュール。
- 前記出力カプラは、チップ/チルトマウント上で回転調節可能である、請求項1に記載の発振器モジュール。
- 前記回折光学系または前記出力カプラの少なくとも1つは、チップ/チルトマウント上で回転調節可能である、請求項2に記載の発振器モジュール。
- 前記レーザビームは、ビームパスに沿って前記回折光学系を透過し、
前記ビームパスは、ミラーのペアによって、直交座標軸のペアの周りにおいて調節可能である、請求項2に記載の発振器モジュール。 - 複数の入力ビームを、合成された出力ビーム内に合成するレーザシステムと共に使用するための発振器モジュールであって、
前記発振器モジュールは、前面を有し、
レーザビームソースと、
レーザビームを受けて、方向付ける回折光学系と、
出力カプラと、
前記レーザシステムへ前記発振器モジュールを、取り外し可能に、かつ強固に連結する手段と、を備え、
前記回折光学系または前記出力カプラの少なくとも1つは、前記前面と平行な直交座標軸のペアの周りにおいて回転調節可能である、発振器モジュール。 - 工作物上に光学照射を向けるレーザデリバリシステムであって、
前記システムは、
それぞれが前面を有し、入力ビームを発生させる複数の発振器モジュールと、
ここで、前記複数の発振器モジュールのそれぞれは出力カプラを有する、
前記複数の発振器モジュールのそれぞれを前記レーザデリバリシステムに取り外し可能に、かつ強固に連結する手段と、
発振器から前記入力ビームを受けて、そこから出力ビームを発生させるためのビーム合成光学系と、を備え、
前記複数の発振器モジュールのそれぞれ内において、前記出力カプラは、発振器モジュールの前記前面と平行な直交座標軸のペアの周りにおいて回転調節可能である、レーザデリバリシステム。 - ぞれぞれの前記発振器モジュールは、前記入力ビームを受けて、方向付ける回折光学系をさらに備え、
前記回折光学系または前記出力カプラの少なくとも1つは、関連した前記発振器モジュールの前記前面と平行な直交座標軸のペアの周りにおいて回転調節可能である、請求項9に記載のシステム。 - それぞれの前記発振器モジュールの前記回折光学系及び前記出力カプラの両方が回転調節可能である、請求項10に記載のシステム。
- それぞれの前記発振器モジュールの前記回折光学系または前記出力カプラが回転調節可能である、請求項10に記載のシステム。
- それぞれの前記発振器モジュールの前記出力カプラは、チップ/チルトマウント上で回転調節可能である、請求項9に記載のシステム。
- それぞれの前記発振器モジュールの前記回折光学系または前記出力カプラの少なくとも1つは、チップ/チルトマウント上で回転調節可能である、請求項10に記載のシステム。
- それぞれの前記発振器モジュールの前記入力ビームは、ビームパスに沿って関連した前記回折光学系を透過し、
前記ビームパスは、ミラーのペアによって、直交座標軸のペアの周りにおいて調節可能である、請求項10に記載のシステム。 - 前記回折光学系または前記出力カプラの少なくとも1つの角度位置を調節するコントローラをさらに有する、請求項10に記載のシステム。
- 前記システムは、前記出力ビームのパラメータを検知するためのセンサをさらに有し、
前記コントローラは、センサに反応し、前記センサからの信号に基づいて、前記回折光学系または前記出力カプラの少なくとも1つの前記角度位置を調節する、請求項16に記載のシステム。 - 前記信号は少なくとも1つのビームパラメータを示す、請求項17に記載のシステム。
- 前記少なくとも1つのビームパラメータは、ビーム形状、スポット径、及び/または開口数である、請求項18に記載のシステム。
- 前記コントローラは、前記少なくとも1つのビームパラメータの目標値が達成されるまで、前記角度位置を調節し続けるように構成されている、請求項19に記載のシステム。
- 前記システムは、
分散要素上に前記入力ビームの集光させるための集光光学系と、
受けた集光されたビームを受けて、分散させる分散要素と、
分散されたビームを受けて、照射ビームとしてそこを通じて前記分散されたビームの第1部分を伝播させ、前記分散要素に戻すように前記分散されたビームの第2部分を反射させるように配置された部分的に反射性を有する出力カプラと、をさらに備え、
前記照射ビームは複数の波長から成る、請求項9に記載のシステム。 - それぞれが前面を有し、入力ビームを形成する複数の発振器モジュールを備えるレーザシステムを用いて、工作物を加工する方法であって、
前記複数の発振器モジュールのそれぞれは、出力カプラ、及び、任意に、前記入力ビームを受けて、方向付けるための回折光学系を有し、
前記方法は、
発振器からの前記入力ビームを、出力ビーム内に合成する工程と、
前記出力ビームがビームパラメータの目標値を示すまで、発振器モジュールの前記前面と平行な直交座標軸のペアの周りにおいて、前記複数の発振器モジュールのそれぞれの前記出力カプラを回転調節する工程と、
前記出力ビームを用いて前記工作物を加工する、方法。 - 前記発振器モジュールは、それぞれ、回折光学系及び出力カプラを有する、請求項22に記載の方法。
- 前記ビームパラメータは、ビーム形状、スポット径、または開口数である、請求項22に記載の方法。
- それぞれの前記発振器モジュールの前記回折光学系及び前記出力カプラの両方が回転調節可能である、請求項23に記載の方法。
- それぞれの前記発振器モジュールの前記回折光学系または前記出力カプラが回転調節可能である、請求項23に記載の方法。
- それぞれの前記発振器モジュールの前記回折光学系または前記出力カプラの少なくとも1つが、チップ/チルトマウント上において、回転調節可能である、請求項23に記載の方法。
- それぞれの前記発振器モジュールの前記入力ビームは、ビームパスに沿って、関連した回折光学系を透過し、前記ビームパスは、ミラーのペアによって、前記直交座標軸の周りにおいて調節可能である、請求項23に記載の方法。
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US201862676041P | 2018-05-24 | 2018-05-24 | |
US62/676,041 | 2018-05-24 | ||
PCT/IB2019/000650 WO2019224601A2 (en) | 2018-05-24 | 2019-05-24 | Exchangeable laser resonator modules with angular adjustment |
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JPWO2019224601A5 JPWO2019224601A5 (ja) | 2022-03-24 |
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CN (1) | CN112204830A (ja) |
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US11152756B2 (en) * | 2018-07-23 | 2021-10-19 | University Of Maryland, College Park | Laser cavity repetition rate tuning and high-bandwidth stabilization |
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- 2019-05-24 CN CN201980034995.4A patent/CN112204830A/zh active Pending
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US20190363519A1 (en) | 2019-11-28 |
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US11121526B2 (en) | 2021-09-14 |
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