JP2018164090A - スラブレーザおよび増幅器ならびに使用方法 - Google Patents
スラブレーザおよび増幅器ならびに使用方法 Download PDFInfo
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- JP2018164090A JP2018164090A JP2018093437A JP2018093437A JP2018164090A JP 2018164090 A JP2018164090 A JP 2018164090A JP 2018093437 A JP2018093437 A JP 2018093437A JP 2018093437 A JP2018093437 A JP 2018093437A JP 2018164090 A JP2018164090 A JP 2018164090A
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- slab
- laser
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- light
- crystal
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Links
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Images
Classifications
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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
- H01S3/06—Construction or shape of active medium
- H01S3/0602—Crystal lasers or glass lasers
- H01S3/0606—Crystal lasers or glass lasers with polygonal cross-section, e.g. slab, prism
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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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/0602—Crystal lasers or glass lasers
- H01S3/0604—Crystal lasers or glass lasers in the form of a plate or disc
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/28—Vacuum evaporation by wave energy or particle radiation
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
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- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02181—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing hafnium, e.g. HfO2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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Abstract
Description
本出願は、2012年8月3日に出願された米国特許出願第13/566,144号の利益を主張し、参照によって本明細書に組み込まれる。
図1は、本発明の一例示的実施形態の全体的構造の概略を示す。スラブ結晶1および6つの励起ランプ2の端部は、筐体3の外側に延在する。筐体は液体冷却がスロット4を通過することを可能にする。これらのスロット4は、後に論じるように筐体3の外側の水マニホールドに入る。
一例示的設計では、スラブレーザ結晶1は、クロムをドープしたアレキサンドライト(Cr:BeAl2O4)から構成されるが、別の例では、スラブレーザ結晶は、チタンをドープしたサファイアから構成されることが可能である。スラブ結晶のバルクは、ドープされた材料から作成される。しかしスラブ結晶のバルクは、アレキサンドライト結晶(BeAl2O4)の非ドープ部分で、またはチタンサファイアに対して清浄なキャップを生成するために拡散接合を介して縁部および端部上に清浄な非ドープのサファイアでその後処理されることも可能である。清浄なキャップ部分の目的は、高い励起電力で生成された温度勾配に起因するレンズ歪みを低減することである。これらの清浄なキャップは、非ドープ部分が残余からの熱負荷がない、または利得材料から抽出されたエネルギーがないので、3つの要因による歪効果を低減する。
例示的励起ランプ2は、水銀を満たした(例えば、7トルのアルゴンを共に満たした)清浄に研磨したサファイア・エンベロープまたは清浄に溶融した石英エンベロープを利用することができる。特にサファイアを利用する際、高ニッケル合金であるコバールは、コバールがほぼ一致する膨張係数を有するのでこのようなランプに使用することができ、工業的な標準技法を使用してエンベロープに蝋付けすることができる。タングステン電極はコバールに蝋付けされ、この電極は水銀内にアークを定着させる。
図1〜3に示されたように例示的空洞フィルタスラブ5は、それぞれ約0.1%のサマリウムでドープされたフッ化テルビウム(TbF3)からなる長方形のブロック結晶で作成され、これは紫外線スペクトルのほとんどを包含する吸収帯を有する。サマリウムイオンへのエネルギーの移動は、結晶母体を介してほぼ無損失の非放射移動である。次いで結晶は、蛍光をほぼ595nmのアレキサンドライト結晶のピーク吸収帯で発し、そうでなければ無駄になるUVエネルギーを有益な可視光に変換し、それによってシステムの励起効率が増加する。平均入力周波数と特殊な放射周波数とのエネルギー差から残留する熱負荷が存在する。これはストークスシフトと呼ばれる。この差は、利用可能なエネルギーのすべてまたはほとんどが抽出される場合でも、結晶内に残留する熱の原因となる。
図4に示されたように例示的セラミック空洞反射体6、6’は、例えば、高純度のAl2O3(アルミナ)組成物を含む、非劣化セラミックから構成することができる。構成要素を、圧縮されたシリコンゴム封止(好ましくは白または透明)を介してその縁部に止水を可能にする、シーリング釉薬で仕上げることができる。空洞反射体6は、光(放射)をランプ2から利用される装置の中に反射を返すように設計される。この反射体6は、好ましくは、上述されたセラミック材料などの不活性(熱的、化学的、および放射)物質から作成される。
図5は、例示的スラブレーザ結晶1の一般的形状の側面図を示す。形状は、各端部の中点から測定された、スラブ幅12、スラブ長さ13、入射ビームおよび出射ビームが通過する面に対する、ブリュースター光学窓として作用する楔角度14、ならびに結晶の反射端部に対する角度15によって画定される。これらの4つのパラメータのすべては、例示的実施形態に相互に連結され、スラブレーザ結晶1は、所望の機能のためにこれらのパラメータの特定の組を有するべきである。
上記の設計の変形形態は、アークランプ内の充填材として水銀と共にヨウ化タリウムを使用することである(これは励起ランプのスペクトルを変える。参照によって組み込まれた特許第7,061,182号を参照されたい。これは、冷却能力を含み、より高い電力負荷を有するために修正された場合、励起ランプ源として使用されてより長い寿命をより低い効率費用で提供できる)。別の選択肢は、レーザスラブ利得媒体としてチタンをドープしたサファイア(Ti:Al2O3)と共にサファイアランプの内側を充填材としてヨウ化インジウムを使用することである。ヨウ化インジウムランプを使用する場合、空洞フィルタは、UV光を発生するランプとしての使用にも望ましいはずである。空洞フィルタをこの(Hg/Ar+ヨウ化タリウム)構造に対して回避できるのは、ランプがほぼ535nmで71%の出力を有するからである。これは、Ti:Al2O3吸収帯のほぼピークである周波数帯である。
高出力レーザのいくつかの重要な使用の1つは、パルスレーザ堆積(PLD)における。高い繰り返し率のQスイッチパルス(これらのパルスは、本開示に論じられた例示的レーザに適用される、いくつかの市販の外部スイッチ装置の1つを使用して生成される)が、スパッタターゲットに向けられる場合は、あらゆる原子種または化合物の離散層を基板に移動して、構築されたミクロの階層化装置を作成することができる。高出力PLDさえも超える改善は、PLDに対して使用するターゲット気化においてこのレーザの両方のタイプを使用することである。この例では、最高平均電力レーザ(例えば、アレキサンドライトは高放射輝度のQスイッチパルスを約13,333Hzで生成する)を使用して、ターゲット材料を高速で取り除くことができる。より高い繰り返し率(例えば、312.5kHz)で超高速レーザとして作動するチタンレーザからの第2のビームは、イオン原子堆積材料の輸送中のプルームに向けられる。この二重のレーザの使用は、あらゆる放出された粒子状物質が第2のレーザにより原子イオン物質に完全に変換されるはずであるので、生成された薄膜の質を大きく向上させるはずである。
これらの構成要素がどのように働き、どのように使用されるかを示すために、図14は、第1のシードレーザ40内の源から増幅器42および鏡48、47を通ってプロセスチャンバ45内のその端点に進むパルスを示し、次いでこれを第2のシードレーザ41に対して繰り返す。第1のシードレーザ40は、超高速増幅器チェーン42に対するシードとして作用する。パルス長周波数および反復率は、所望の応用に従ってこの構成要素内で画定される。例えば、パルス長周波数および反復率は、1/2ナノ秒パルスを生成することができ、このパルスは例えば、100nm幅の帯域幅750nm〜850nmを有し、例えば秒速312,500のパルスが放射される。別法として、チタンサファイアの蛍光出力帯域幅は、光650nm〜1100nmを記載されたのと同じ速度で生成し、望ましい場合それらの周波数でレーザの作動が可能になる。
Claims (50)
- ワークピースを提供するステップと、
レーザ装置を提供するステップと、
前記レーザ装置を使用して、レーザ光を放射して、ワークピースに1つまたは複数の材料の層を追加するか、あるいは前記ワークピースから1つまたは複数の材料の層を取り除くために、前記レーザ装置を使用するステップと、
を備える、ワークピースを製造する方法であって、
前記レーザ装置は、
スラブ結晶と、
紫外線周波数帯を含む光エネルギーを提供する光源と、
サマリウムでドープされたフッ化テルビウムを含む空洞フィルタ材料であって、前記フィルタ材料は、前記スラブ結晶の少なくとも片面上に提供され、前記光源から前記光エネルギーを受け取るように構成され、前記スラブ結晶による吸収のために、第1の紫外線周波数帯の光エネルギーを、可視光線の第2の周波数帯の光エネルギーに変換するように構成される、空洞フィルタ材料と
を含み、
前記スラブ結晶は、一端から増幅されたレーザビームを放射するように構成される、
ワークピースを製造する方法。 - 前記ワークピースは、半導体装置に形成される、請求項1に記載の方法。
- 前記ワークピースは、太陽光発電装置に形成される、請求項1に記載の方法。
- 前記ワークピースは、集積回路に形成される、請求項1に記載の方法。
- 前記ワークピースは、コンデンサに形成される、請求項1に記載の方法。
- 前記ワークピースは、銅および/またはアルミニウムを含む導電体である、請求項5に記載の方法。
- ダイヤモンドまたはダイヤモンド状炭素を含む材料の1層は、前記レーザ装置を使用して前記ワークピースに加えられる、請求項1に記載の方法。
- 炭化タルタンハフニウムを含む材料の1層は、前記レーザ装置を使用して前記半導体装置に加えられる、請求項1に記載の方法。
- スラブレーザを提供するステップと、
ワークピースを提供するステップと、
材料の1つまたは複数の層を前記ワークピース上に堆積するために、前記高エネルギーのパルスビームを放射するために前記スラブレーザを使用するステップと、
を備える、ワークピースを製造する方法であって、
前記スラブレーザは、
増幅された高エネルギーのパルスレーザビームを端部から放射するように構成されたスラブ結晶と、
第1の周波数帯を含む光エネルギーを提供する光源と、
前記スラブ結晶の少なくとも片面上に提供され、前記光源から前記光エネルギーの少なくとも一部を受け取るように構成され、レーザビームを増幅する前記スラブ結晶による吸収のために、前記第1の周波数帯の光エネルギーの少なくとも一部を、前記第2の周波数帯の光エネルギーに変換するように構成される、空洞フィルタ材料と、
前記レーザを冷却するように構成された冷却サブシステムと
を含む、ワークピースを製造する方法。 - 前記材料は、ダイヤモンドまたはダイヤモンド状炭素である、請求項9に記載の方法。
- 前記材料は、炭化タルタンハフニウムである、請求項10に記載の方法。
- スラブレーザを提供するステップと、
半導体ワークピースを提供するステップと、
炭素源を提供するステップと、
ダイヤモンドもしくはダイヤモンド状炭素の1つまたは複数の層を前記炭素源から前記半導体ワークピース上に堆積するために、非常に短いパルスの高エネルギービームを放射するために前記スラブレーザを使用するステップと
を備える、半導体装置の製造方法であって、
前記スラブレーザは、
増幅された高エネルギーのパルスレーザビームを端部から放射するように構成されたスラブ結晶と、
第1の周波数帯を含む光エネルギーを提供する光源と
前記スラブ結晶の少なくとも片面上に提供され、前記光源から前記光エネルギーの少なくとも一部を受け取るように構成され、レーザビームを増幅する前記スラブ結晶による吸収のために、前記第1の周波数帯の光エネルギーの少なくとも一部を、前記第2の周波数帯の光エネルギーに変換するように構成される、空洞フィルタ材料と、
前記レーザを冷却するように構成された冷却サブシステムと
を含む、半導体装置の製造方法。 - スラブレーザを提供するステップと、
ワークピースを提供するステップと、
炭素源を提供するステップと、
ダイヤモンドもしくはダイヤモンド状炭素の1つまたは複数の層を前記炭素源から前記ワークピース上に堆積するために、高エネルギービームを放射するために前記スラブレーザを使用するステップと、
前記ワークピースを前記エネルギー貯蔵装置内に組み込むステップと
を備える、エネルギー貯蔵装置の製造方法であって、
前記スラブレーザは、
増幅された高エネルギーのレーザビームを端部から放射するように構成されたスラブ結晶と、
第1の周波数帯を含む光エネルギーを提供する光源と
前記スラブ結晶の少なくとも片面上に提供され、前記光源から前記光エネルギーの少なくとも一部を受け取るように構成され、レーザビームを増幅する前記スラブ結晶による吸収のために、前記第1の周波数帯の光エネルギーの少なくとも一部を、前記第2の周波数帯の光エネルギーに変換するように構成される、空洞フィルタ材料と、
前記レーザを冷却するように構成された冷却サブシステムと
を含む、
エネルギー貯蔵装置の製造方法。 - 材料を第1の対象から第2の対象に輸送するためのシステムであって、
前記システムは、
1つまたは複数の第1のレーザ装置を備える第1の増幅サブシステムを提供することと、
第1のレーザビーム出力を生成するために、前記第1の増幅サブシステムに入力するための、第1の所望のパルス特性を有する第1のシードレーザビームを出力するように構成された第1のシードレーザを提供することと、
1つまたは複数の第2のレーザ装置を備える第2の増幅サブシステムを提供することと、
第2のレーザビーム出力を生成するために、前記第2の増幅サブシステムに入力するための、所望のパルス特性を有する第2のシードレーザビームを出力するように構成された第2のシードレーザを提供することと、
前記第1の対象の一部を気化するために、前記第1のレーザビーム出力の少なくとも一部を前記第1の対象に経路指定するように構成された、第1のレーザの経路指定サブシステムを提供することと、
前記第1の対象の前記気化された部分の少なくとも一部を、前記第2の対象上にまたは前記第2の対象の中に受け入れるための前記第2の対象を準備するために、前記第2のレーザビームを出力の少なくとも一部を前記第2の対象に経路指定するように構成された、第2のレーザの経路指定サブシステムを提供することと、を備え、
ここで、前記第1のレーザ装置のそれぞれはスラブレーザを備えており、前記スラブレーザは、
スラブ結晶と、
前記スラブ結晶の少なくとも片面上に提供され、前記光源から前記光エネルギーの少なくとも一部を受け取るように構成され、レーザビームを増幅する前記スラブ結晶による吸収のために、前記第1の周波数帯の光エネルギーの少なくとも一部を、前記第2の周波数帯の光エネルギーに変換するように構成される、空洞フィルタ材料と、
を含み、
前記光エネルギーを前記第2の周波数帯で吸収した後に、前記スラブ結晶は、入射光ビームを前記スラブ結晶の一端に、ある角度で受け取るとともに、前記一端から増幅されたレーザビームを前記ある角度とは異なる角度で放射するか、または前記光エネルギーを前記第2の周波数帯で吸収した後に前記入射光ビームから直線移動された、前記増幅されたレーザビームを放射する、
材料を第1の対象から第2の対象に輸送するためのシステム。 - 前記第1のシードレーザは、約1/2ナノ秒以下のパルス幅、および約100nm以下の比較的狭い帯域幅を有する、超高速レーザである、請求項14に記載のシステム。
- 前記第1のシードレーザは、約3.2μs以下毎のパルスを放射する超高速レーザである、請求項14に記載のシステム。
- 前記第2のシードレーザは、約1ナノ秒以上のパルス幅のQスイッチレーザである、請求項14に記載のシステム。
- 前記第1のレーザ経路指定サブシステムは、プルームをさらに原子化するために前記プルーム内に存在する前記第1の対象の粒子を熱化するために、前記第1のレーザビームの別の部分を前記第1の対象の前記気化された部分の前記プルームに経路指定するようにさらに構成される、請求項14に記載のシステム。
- 前記1つまたは複数の第2のレーザ装置は、スラブレーザを備えており、前記スラブレーザは、
スラブ結晶と、
前記スラブ結晶の少なくとも片面上に提供され、前記光源から前記光エネルギーの少なくとも一部を受け取るように構成され、レーザビームを増幅する前記スラブ結晶による吸収のために、前記第1の周波数帯の光エネルギーの少なくとも一部を、前記第2の周波数帯の光エネルギーに変換するように構成される、空洞フィルタ材料と、
を含み、
前記光エネルギーを前記第2の周波数帯で吸収した後に、前記スラブ結晶は、入射光ビームを前記スラブ結晶の一端に、ある角度で受け取るとともに、前記一端から増幅されたレーザビームを前記ある角度とは異なる角度で放射するか、または前記光エネルギーを前記第2の周波数帯で吸収した後に前記入射光ビームから直線移動された、前記増幅されたレーザビームを放射する、
請求項14に記載のシステム。 - 前記スラブ結晶は、前記スラブ結晶の底部に対する角度が90度ではない角度の反射面を備える、請求項14に記載のシステム。
- 前記反射面は、レーザビームに対して周波数選択性を有するが、励起ランプに対して透明であることを特徴とする、1/4波長積層の誘電多層を含む、請求項14に記載のシステム。
- 前記スラブ結晶は、前記スラブ結晶によって放射された前記出射レーザビームが、前記源からの前記光エネルギーの前記入射ビームからある角度または距離だけ分離されるように構成される、請求項14に記載のシステム。
- 前記第1の周波数帯は紫外線光周波数帯であり、前記第2の周波数帯は紫外線光より小さい周波数帯である、請求項14に記載のシステム。
- 前記装置の構成要素を保持するように構成される一方で、前記装置の1つまたは複数の前記構成要素の熱膨張が可能である、複数の弾性保持部をさらに備える、請求項14に記載のシステム。
- 前記空洞フィルタ材料は、サマリウムでドープされたフッ化テルビウムを含む、請求項14に記載のシステム。
- 前記スラブ結晶はクロムをドープしたアレキサンドライトを含む、請求項14に記載のシステム。
- 前記スラブ結晶および/または前記空洞フィルタ材料を冷却するために、前記装置内の前記冷却液を循環するように構成された冷却液循環サブシステムをさらに備える、請求項14に記載のシステム。
- 前記一端は、前記スラブ結晶の隣接した片面に対して鋭角に設けられ、前記スラブ結晶の反対側の隣接面に対して鈍角に設けられている、請求項14に記載のシステム。
- 前記第1の増幅サブシステム、前記第2の増幅サブシステム、または両方は、それぞれのレーザビーム(複数可)内の異なる光シードを補うように構成された、少なくとも1つの圧縮機または補償器を含む、請求項14に記載のシステム。
- 前記スラブ結晶は、チタンをドープしたサファイアを含む、請求項14に記載のシステム。
- 前記シードレーザの前記一方または両方は、
スラブ結晶と、
前記スラブ結晶の少なくとも片面上に提供され、前記光源から前記光エネルギーの少なくとも一部を受け取るように構成され、レーザビームを増幅する前記スラブ結晶による吸収のために、前記第1の周波数帯の光エネルギーの少なくとも一部を、前記第2の周波数帯の光エネルギーに変換するように構成される、空洞フィルタ材料と、
を含む、スラブレーザから構成され、
前記光エネルギーを前記第2の周波数帯で吸収した後に、前記スラブ結晶は、入射光ビームを前記スラブ結晶の一端に、ある角度で受け取るとともに、前記一端から増幅されたレーザビームを前記ある角度とは異なる角度で放射するか、または前記光エネルギーを前記第2の周波数帯で吸収した後に前記入射光ビームから直線移動された、前記増幅されたレーザビームを放射する、請求項14に記載のシステム。 - 前記スラブ結晶は、チタンをドープしたサファイアを含む、請求項1に記載の方法。
- 前記材料はヒ化ホウ素を含む、請求項1に記載の方法。
- 前記第1の対象はヒ化ホウ素を含む、請求項14に記載のシステム。
- 任意の1つまたは複数の前記レーザ装置は、
正面に対して第1の角度で提供された入射光ビームを受け取るために、前記スラブ結晶の底部に対して鋭角を形成する、前記正面を有するスラブ結晶であって、前記スラブ結晶は、前記スラブ結晶の前記底部に対して90度ではない背面角で設けられた後壁も有する、スラブ結晶と、
第1の周波数帯内の一部および第2の周波数帯内の一部を含む光エネルギーを提供する光源と、
前記第1の光周波数帯で透過し、前記スラブ結晶の前記頂部および/または前記底部上に提供され、前記光源から前記光エネルギーを受け取るように構成され、また前記スラブ結晶による少なくとも部分的な吸収のために、前記第1の周波数帯の光エネルギーを、変換周波数帯の光エネルギーに変換するように構成される、空洞フィルタ材料と
を含む、スラブレーザーを備え、
前記光源および前記空洞フィルタ材料は、前記第2の光周波数帯内の前記光エネルギーの前記一部の少なくとも一部が前記空洞フィルタを通って前記スラブ結晶に伝播されるように配置され、
前記スラブ結晶は、前記空洞フィルタを通って伝播される前記第2の周波数帯内の前記光エネルギーの前記部分の一部を吸収することにより、かつ前記変換された周波数帯における前記光エネルギーの一部を吸収することにより、前記スラブ結晶から放射するためのレーザビームを増幅するように構成され、
前記鋭角および前記背面角は、前記スラブ結晶に入射する前記入射光ビームが前記スラブ結晶から放射された前記増幅されたレーザビームと一致しないように、前記増幅されたレーザビームが前記スラブ結晶の前記正面から、前記第1の角度と異なる角度で放射されるように選択される
請求項14に記載のシステム。 - 前記スラブは長方形のスラブである、請求項1に記載の方法。
- 前記スラブは幅より大きい長さを有し、複数の光源も幅より大きい長さを有し、前記光源は、前記光源の前記長さが、前記スラブの前記長さに沿って線に並行でないように配置される、請求項1に記載の方法。
- 1つまたは複数の光源によって放射された光放射を前記装置の中に反射するために、少なくとも1つの空洞反射器をさらに備える、請求項1に記載の方法。
- 前記空洞反射器は、前記装置を冷却するための冷却サブシステムから冷却液を受け取るための少なくとも1つのチャネルを備えて構成される、請求項38に記載の方法。
- 1つまたは複数の冷却チャネルを互いから分離するために、少なくとも1つの封止をさらに備える、請求項1に記載の方法。
- 前記少なくとも1つの封止は、空洞反射器および前記スラブまたは空洞フィルタ材料のいずれかと接触して設けられる、請求項40に記載の方法。
- 前記装置を冷却するための冷却サブシステムを支持するために、前記装置の外周上に装着された少なくとも水マニホールドをさらに備える、請求項1に記載の方法。
- 前記装置を冷却するための冷却サブシステムを支持するために、前記装置上に装着された少なくとも1つのマニホールドをさらに備える、請求項1に記載の方法
- 前記装置は、前記スラブが複数のレーザビームを平行に放射するように構成される、請求項1に記載の方法。
- 前記スラブ結晶は、チタンをドープしたサファイアを含む、請求項9に記載の方法。
- 前記材料はヒ化ホウ素を含む、請求項9に記載の方法。
- 前記スラブ結晶は、チタンをドープしたサファイアを含む、請求項12に記載の方法。
- 前記材料はヒ化ホウ素を含む、請求項12に記載の方法。
- 前記スラブ結晶は、チタンをドープしたサファイアを含む、請求項13に記載の方法。
- 前記材料はヒ化ホウ素を含む、請求項13に記載の方法。
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CN104604049B (zh) | 2019-08-13 |
JP6743087B2 (ja) | 2020-08-19 |
EP3185373A1 (en) | 2017-06-28 |
EP2880722A1 (en) | 2015-06-10 |
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EP3185373B1 (en) | 2021-04-07 |
US20160211637A1 (en) | 2016-07-21 |
US20170070022A1 (en) | 2017-03-09 |
IN2015DN00970A (ja) | 2015-06-12 |
US9525262B2 (en) | 2016-12-20 |
BR112015002090A2 (pt) | 2017-07-04 |
US20130301662A1 (en) | 2013-11-14 |
RU2650807C2 (ru) | 2018-04-17 |
BR112015002090B1 (pt) | 2021-05-25 |
EP2880722A4 (en) | 2016-04-27 |
EP2880722B1 (en) | 2019-10-09 |
RU2650807C9 (ru) | 2018-09-06 |
CN104604049A (zh) | 2015-05-06 |
RU2015102528A (ru) | 2016-09-20 |
JP6415435B2 (ja) | 2018-10-31 |
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