JP6353628B2 - 小型で効率的なレーザ構造のための方法及びシステム - Google Patents
小型で効率的なレーザ構造のための方法及びシステム Download PDFInfo
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- H01S3/2308—Amplifier arrangements, e.g. MOPA
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0071—Beam steering, e.g. whereby a mirror outside the cavity is present to change the beam direction
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—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
- H01S3/09408—Pump redundancy
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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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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
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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
- H01S3/2316—Cascaded amplifiers
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—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
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—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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- H—ELECTRICITY
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—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
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- Optics & Photonics (AREA)
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Description
(連邦政府の支援による研究又は開発によりなされた発明に対する権利に関する説明)
熱複屈折の悪影響により、一部のシステム設計者はブルースター角設計を使用するようになっている。増幅器ヘッド129、136を通る第1の増幅パスの後、ビームがキャビティミラー140に画像リレーされて、円偏光が左から右へ修正される(前述した左利きを想定)。一部の実施形態では、ミラー140は増幅ビームからの歪みを低減又は除去するように動作可能な変形可能ミラーである。図示したように、リレーテレスコープが、増幅器ヘッド136の出口回転ミラーとキャビティミラー140との間の光学路に沿って配置される。
Claims (10)
- エンクロージャを備えたクワッドビームレーザ増幅器モジュールであって、
前記エンクロージャの上面に配置された一組の4つの入力ポートと、
前記エンクロージャの第1の端部に配置された、第1の組の4つの増幅器を備える第1の増幅器ヘッドであって、
前記第1の組の4つの増幅器のそれぞれは、前記一組の4つの入力ポートのそれぞれ1つに光学的に結合され、
前記第1の組の4つの増幅器の、第1の増幅器および第2の増幅器は、第1平面に配置され、
前記第1の組の4つの増幅器の、第3の増幅器および第4の増幅器は、前記第1平面に対して実質的に平行な第2平面に配置され、
前記第1の組の4つの増幅器のそれぞれを1度目に通過する第1の増幅路および前記第1の組の4つの増幅器のそれぞれを2度目に通過する第2の増幅路は同一線上に配置される、第1の増幅器ヘッドと、
前記エンクロージャの第2の端部に配置された、第2の組の4つの増幅器を備える第2の増幅器ヘッドであって、
前記第2の組の4つの増幅器の、第1の増幅器および第2の増幅器は、前記第1平面に配置され、
前記第2の組の4つの増幅器の、第3の増幅器および第4の増幅器は、前記第2平面に配置され、
前記第2の組の4つの増幅器のそれぞれを1度目に通過する第1の増幅路、および前記第2の組の4つの増幅器のそれぞれを2度目に通過する第2の増幅路は同一線上に配置される、第2の増幅器ヘッドと、
前記第1の増幅器ヘッドおよび第2の増幅器ヘッド間に配置されるキャビティーミラーであって、光を前記第2の増幅器ヘッド内へ反射するように動作可能なキャビティミラーと、
を備えたクワッドビームレーザ増幅器モジュール。 - 前記第1の増幅器ヘッドと前記第2の増幅器ヘッドとの間に配置された第1の組の4つのリレーテレスコープをさらに備えた、請求項1に記載のクワッドビームレーザ増幅器モジュール。
- 前記第1の増幅器ヘッドの前記第1の組の4つの増幅器の一組の外側増幅器を通過するビームが、前記第2の増幅器ヘッドの前記第2の組の4つの増幅器の一組の内側増幅器を通過する、請求項1に記載のクワッドビームレーザ増幅器モジュール。
- 前記第1の増幅器ヘッドおよび前記第2の増幅器ヘッドを通る2つの増幅パスの後に、増幅されたビームを受けるように動作可能な複数のポッケルスセルをさらに備えた、請求項1に記載のクワッドビームレーザ増幅器モジュール。
- 前記第2の増幅器ヘッドと前記キャビティミラーとの間に配置された第2の組の4つのリレーテレスコープをさらに備えた、請求項1に記載のクワッドビームレーザ増幅器モジュール。
- 前記エンクロージャの第2の端部に配置された一組の4つの出力ポートと、
前記一組の4つの出力ポートに光学的に接続された一組の4つの伝送テレスコープとをさらに備えた、請求項1に記載のクワッドビームレーザ増幅器モジュール。 - 前記キャビティミラーが変形可能ミラーを含む、請求項1に記載のクワッドビームレーザ増幅器モジュール。
- ポッケルスセルと、増幅されたビームを前記第1の増幅器ヘッド内へ反射するよう動作可能な第2のキャビティミラーとをさらに備えた、請求項1に記載のクワッドビームレーザ増幅器モジュール。
- 前記第1の増幅器ヘッドおよび前記第2の増幅器ヘッドがダイオードアレイにより横励起される、請求項8に記載のクワッドビームレーザ増幅器モジュール。
- 前記第1の増幅器ヘッドおよび前記第2の増幅器ヘッドがダイオードアレイにより端面励起される、請求項8に記載のクワッドビームレーザ増幅器モジュール。
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CA (1) | CA2815189C (ja) |
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CN104810720B (zh) * | 2015-05-18 | 2018-01-12 | 中国工程物理研究院激光聚变研究中心 | 一种高功率固体激光驱动器及其激光放大方法 |
EP3368235A4 (en) | 2015-10-30 | 2019-07-03 | Seurat Technologies, Inc. | ROOM SYSTEMS FOR ADDITIVE MANUFACTURING |
WO2017132664A1 (en) | 2016-01-28 | 2017-08-03 | Seurat Technologies, Inc. | Additive manufacturing, spatial heat treating system and method |
EP3995277A1 (en) | 2016-01-29 | 2022-05-11 | Seurat Technologies, Inc. | System for additive manufacturing |
EP3309914A1 (en) * | 2016-10-17 | 2018-04-18 | Universität Stuttgart | Radiation field amplifier system |
EP3309913B1 (en) | 2016-10-17 | 2024-09-25 | Universität Stuttgart | Radiation field amplifier system |
KR102515643B1 (ko) | 2017-05-11 | 2023-03-30 | 쇠라 테크널러지스 인코포레이티드 | 적층 가공을 위한 패턴화된 광의 스위치야드 빔 라우팅 |
GB201708315D0 (en) * | 2017-05-24 | 2017-07-05 | Science And Tech Facilities Council | Laser amplifer module |
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JP2017139483A (ja) | 2017-08-10 |
JP2013541229A (ja) | 2013-11-07 |
US10777964B2 (en) | 2020-09-15 |
US9136668B2 (en) | 2015-09-15 |
WO2012058599A1 (en) | 2012-05-03 |
JP6122384B2 (ja) | 2017-04-26 |
EP2614560A1 (en) | 2013-07-17 |
KR20180124150A (ko) | 2018-11-20 |
CA2815189C (en) | 2018-08-07 |
US20120105948A1 (en) | 2012-05-03 |
KR101918789B1 (ko) | 2018-11-14 |
KR20130112900A (ko) | 2013-10-14 |
CA2815189A1 (en) | 2012-05-03 |
EP2614560A4 (en) | 2018-05-16 |
US20190305509A1 (en) | 2019-10-03 |
KR101974799B1 (ko) | 2019-05-02 |
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