JP2017038094A - コヒーレントレーザアレイ制御システムおよび方法 - Google Patents
コヒーレントレーザアレイ制御システムおよび方法 Download PDFInfo
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- JP2017038094A JP2017038094A JP2016226691A JP2016226691A JP2017038094A JP 2017038094 A JP2017038094 A JP 2017038094A JP 2016226691 A JP2016226691 A JP 2016226691A JP 2016226691 A JP2016226691 A JP 2016226691A JP 2017038094 A JP2017038094 A JP 2017038094A
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- 230000001427 coherent effect Effects 0.000 title abstract description 16
- 238000000034 method Methods 0.000 title description 33
- 230000003287 optical effect Effects 0.000 claims abstract description 74
- 230000003595 spectral effect Effects 0.000 claims description 18
- 239000000835 fiber Substances 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 10
- 238000002789 length control Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 description 12
- 238000010168 coupling process Methods 0.000 description 12
- 238000005859 coupling reaction Methods 0.000 description 12
- 238000003491 array Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- 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
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/1307—Stabilisation of the phase
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- 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
- H01S3/2383—Parallel arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- 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
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- 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
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/1305—Feedback control systems
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
Description
Claims (4)
- システムであって、
一次レーザ信号を発生させるための主発振器と、
前記一次レーザ信号を複数の二次レーザ信号に分割するためのビームスプリッタアレイと、
前記複数の二次レーザ信号を増幅して複数の増幅レーザ信号を発生させる複数の増幅器と、
前記複数の増幅レーザ信号の位置、ビーム角、光路長、および位相を調整する複数のアクチュエータと、
前記複数の増幅レーザ信号の位相を調整する前記複数のアクチュエータの一部を制御する位相制御モジュールと、
前記複数の増幅レーザ信号の光路長を調整する前記複数のアクチュエータの一部を制御する光路長制御モジュールと、
前記複数の増幅レーザ信号のビーム位置またはビーム角を調整する前記複数のアクチュエータの一部を制御する位置制御モジュールと、
前記複数のアクチュエータから前記複数の増幅レーザ信号を受信して結合レーザ出力信号を発生させる結合器と、
前記結合レーザ出力信号をサンプリングして、前記位相制御モジュール、前記光路長制御モジュール、および前記位置制御モジュールのためのフィードバックを発生させる第1の位相検出器と、
前記結合レーザ出力信号をサンプリングするスペクトルフィルタと、
前記スペクトルフィルタからサンプリングされた結合レーザ出力信号を受け取り、前記光路長制御モジュールが前記複数の増幅レーザ信号の光路長を制御するためのフィードバックとして第1位相誤差を生成する第2の位相検出器と、
前記結合レーザ出力信号をサンプリングする空間フィルタと、
前記空間フィルタからサンプリングされた結合レーザ出力信号を受け取り、前記位置制御モジュールが前記複数の増幅レーザ信号のビーム位置またはビーム角を制御するためのフィードバックとして第2位相誤差を生成する第3の位相検出器と
を備えるシステム。 - 前記スペクトルフィルタは、前記結合レーザ出力信号に対しスペクトルフィルタリング機能を実行するファイバ・ブラッグ・グレーティング(FBG)であり、かつ前記空間フィルタは、少なくとも2つの開口を有し前記結合レーザ出力信号に対し空間フィルタリング機能を実行するピンホール検出器である、請求項1に記載のシステム。
- 前記複数の増幅レーザ信号の光路長を調整する複数のアクチュエータの一部は、前記複数の増幅レーザ信号の光路長を制御するための多重ミラー構成と、前記複数の増幅レーザ信号の光路長を制御するために収縮または膨張するファイバとのうちの少なくとも一つを含む、請求項1に記載のシステム。
- 前記複数の増幅レーザ信号のビーム位置またはビーム角を調整する複数のアクチュエータの一部は、前記複数の増幅レーザ信号の位置またはビーム角を制御するための角度制御付の調整可能なミラーと、前記複数の増幅レーザ信号の位置またはビーム角を制御するための可動ファイバとのうちの少なくとも一つを含む、請求項1に記載のシステム。
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US13/479,760 | 2012-05-24 | ||
US13/479,760 US8792526B2 (en) | 2012-05-24 | 2012-05-24 | Coherent laser array control system and method |
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JP2015514054A Division JP2015521386A (ja) | 2012-05-24 | 2013-05-14 | コヒーレントレーザアレイ制御システムおよび方法 |
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JP2016226691A Active JP6314202B2 (ja) | 2012-05-24 | 2016-11-22 | コヒーレントレーザアレイ制御システムおよび方法 |
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Country Status (4)
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US (1) | US8792526B2 (ja) |
EP (1) | EP2856585B1 (ja) |
JP (2) | JP2015521386A (ja) |
WO (1) | WO2013176927A2 (ja) |
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FR3021761B1 (fr) * | 2014-05-28 | 2018-02-09 | Thales | Systeme de mise en phase d'un grand nombre de sources laser |
US9945731B1 (en) | 2015-01-14 | 2018-04-17 | Hrl Laboratories, Llc | Optical detector for measuring respective phases of multiple beams apparatus and method |
US9941661B1 (en) * | 2015-01-14 | 2018-04-10 | Hrl Laboratories, Llc | System for maintaining the locking range of an injection locked laser array within range of the frequency of a master laser |
US9362714B1 (en) | 2015-03-12 | 2016-06-07 | Northrop Grumman Systems Corporation | Architecture for all-fiber delivery of coherently combined laser power |
US9362710B1 (en) * | 2015-07-01 | 2016-06-07 | Northrop Grumman Systems Corporation | Multichannel controller |
US10389514B2 (en) * | 2017-04-06 | 2019-08-20 | Government Of The United States Of America, As Represented By The Secretary Of Commerce | Optical time distributor and process for optical two-way time-frequency transfer |
CN107552576B (zh) * | 2017-08-22 | 2019-04-02 | 安徽马钢重型机械制造有限公司 | 一种冷轧卷取机芯轴空间位置尺寸在线检测方法 |
SG11202004119YA (en) * | 2017-11-07 | 2020-06-29 | Civan Advanced Tech Ltd | Optical phased array dynamic beam shaping with noise correction |
CN108196244B (zh) * | 2018-02-02 | 2021-06-08 | 北京理工大学 | 基于spgd算法的光纤阵列相控阵偏转发射系统 |
DE102018211971A1 (de) * | 2018-07-18 | 2020-01-23 | Trumpf Laser Gmbh | Vorrichtung, Lasersystem und Verfahren zur Kombination von kohärenten Laserstrahlen |
CN109802291B (zh) * | 2019-02-18 | 2019-12-20 | 中国人民解放军国防科技大学 | 基于深度学习的光纤激光分孔径相干合成相位控制方法 |
US10998969B2 (en) * | 2019-03-29 | 2021-05-04 | Skyloom Global Corp. | Focal plane assembly for multi-access free space optical communications transceivers |
CN112928582B (zh) * | 2021-01-25 | 2022-11-01 | 中国人民解放军陆军工程大学 | 一种被动相干合成激光器的非相位测量自动同步方法 |
CN113125120B (zh) * | 2021-04-15 | 2022-01-25 | 北京理工大学 | 一种基于多抖动法的低重频光纤激光相干合成方法 |
CA3223916A1 (en) * | 2022-04-05 | 2023-10-12 | Fabrizio Giuseppe BISESTO | Coherent beam combination system and control method thereof |
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- 2013-05-14 WO PCT/US2013/040947 patent/WO2013176927A2/en active Application Filing
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EP2856585B1 (en) | 2019-09-11 |
JP6314202B2 (ja) | 2018-04-18 |
JP2015521386A (ja) | 2015-07-27 |
US20130315271A1 (en) | 2013-11-28 |
WO2013176927A3 (en) | 2015-05-21 |
US8792526B2 (en) | 2014-07-29 |
EP2856585A2 (en) | 2015-04-08 |
EP2856585A4 (en) | 2016-06-15 |
WO2013176927A2 (en) | 2013-11-28 |
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