JP2013521667A - 選択的再配置および回転波長ビーム結合システムならびに方法 - Google Patents
選択的再配置および回転波長ビーム結合システムならびに方法 Download PDFInfo
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Abstract
【選択図】図3A
Description
本願は、以下の仮特許出願の優先権を主張する。これらの出願の各々は、ここで引用したことにより、その内容全体が本願にも含まれるものとする。即ち、2010年3月5日に出願された米国仮特許出願第61/310,777号、2010年3月5日に出願された米国仮特許出願第61/310,781号、および2010年11月26日に出願された米国仮特許出願第61/417,394号である。
1.発明の分野
本実施形態は、一般的には、レーザ・システムに関し、更に特定すれば、波長ビーム結合システムおよび方法に関するものである。
波長ビーム結合(WBC)は、レーザ・ダイオード・バー、ダイオード・バーのスタック、および一次元または二次元アレイに配列されているその他のレーザからの出力のパワーおよび輝度をスケーリング(scaling)するための方法である。
Claims (20)
- 波長ビーム・コンバイナであって、
複数のレーザ・エレメントから放出されたビームを選択的に回転させる光回転体と、
前記選択的に回転させられたビームをビーム結合次元に沿って受けて結合するように構成されている変換レンズと、
前記結合されたビームを受けて透過するように位置付けられている分散性エレメントであって、出力プロファイルが形成される、分散性エレメントと、
を備えている、波長ビーム・コンバイナ。 - 請求項1記載の波長ビーム・コンバイナであって、更に、
前記分散性エレメントから前記出力プロファイルを受け、前記出力プロファイルの一部を部分的に反射して前記レーザ・エレメントに戻すように構成されている、出力カプラを含む、波長ビーム・コンバイナ。 - 請求項1記載の波長ビーム・コンバイナにおいて、前記レーザ・エレメントの内少なくとも2つが、固定位置関係を有する、波長ビーム・コンバイナ。
- 請求項1記載の波長ビーム・コンバイナにおいて、前記レーザ・エレメントが、第1反射面と光学利得媒体とを含む、波長ビーム・コンバイナ。
- 請求項1記載の波長ビーム・コンバイナであって、更に、前記レーザ・エレメントからのビームを受け、1本以上のビームを当該ビームの第1次元に沿って平行化するように構成されている平行化レンズを含む、波長ビーム・コンバイナ。
- 請求項1記載の波長ビーム・コンバイナであって、更に、1本以上のビームが前記変換レンズによって受けられる前に、前記1本以上のビームを空間的に再配置するように構成されている空間再配置エレメントを含む、波長ビーム・コンバイナ。
- 請求項1記載の波長ビーム・コンバイナにおいて、前記放出されたビームが、非対称的プロファイルを有する、波長ビーム・コンバイナ。
- 波長ビーム・コンバイナであって、
複数のレーザ・エミッタによって放出されたビームを空間的に再配置するように構成されている空間再配置エレメントと、
前記空間再配置されたビームを受けて、ビーム結合次元に沿って前記ビームを結合するように構成されている変換レンズと、
前記結合されたビームの重ね合わせ領域に配置され、前記結合されたビームを受けて透過させる分散性エレメントと、
を備えている、波長ビーム・コンバイナ。 - 請求項8記載の波長ビーム・コンバイナであって、更に、前記ビームの一部を部分的に反射して、前記レーザ・エレメントに戻すように構成されている光学カプラを含む、波長ビーム・コンバイナ。
- 請求項8記載の波長ビーム・コンバイナにおいて、前記複数のレーザ・エレメントが、二次元プロファイルを生成し、前記空間再配置エレメントが、第1次元に沿ってビームの数を減少させる一方、第2次元を横切ってビームの数を増大させる、波長ビーム・コンバイナ。
- 請求項8記載の波長ビーム・コンバイナにおいて、前記レーザ・エレメントの内少なくとも2つが、固定位置関係を有する、波長ビーム・コンバイナ。
- 請求項8記載の波長ビーム・コンバイナであって、更に、ビームが前記変換レンズによって受けられる前に、前記ビームを選択的に回転させるように構成されている光回転体を含む、波長ビーム・コンバイナ。
- 波長ビーム・コンバイナであって、
各々が電磁ビームを放出する複数のレーザ・エレメントと、
各レーザ・エレメントを選択的に回転させるように構成されているエレメント回転体と、
前記選択的に回転させられたレーザ・エレメントのビームを受けて、ビーム結合次元に沿ってそれらを結合するように構成されている変換レンズと、
前記結合されたビームの重ね合わせ領域に位置付けられ、前記結合されたビームを受けて透過させる分散性エレメントと、
を備えている、波長ビーム・コンバイナ。 - 波長ビーム結合方法であって、
複数のレーザ・エレメントによって放出された電磁ビームを選択的に回転させるステップと、
変換レンズによって、ビーム結合次元に沿って、前記選択的に回転させられたビームを結合するステップと、
分散性エレメントによって、前記結合されたビームを分散させるステップと、
を含む、波長ビーム結合方法。 - 請求項14記載の方法であって、更に、
前記ビームを選択的に回転させる前に、第1次元に沿って、前記放出されたビームを個々に平行化するステップを含む、方法。 - 請求項14記載の方法において、前記レーザ・エレメントの内少なくとも2つが、固定位置関係を有する、方法。
- 請求項14記載の方法において、前記ビームの全てを90度回転させる、方法。
- 波長ビーム結合方法であって、
複数のレーザ・エレメントによって放出された電磁ビームを選択的に再配置するステップと、
前記選択的に再配置されたビームをビーム結合次元に沿って結合するステップと、
前記結合されたビームを分散性エレメントによって分散させるステップと、
を含む、方法。 - 請求項18記載の方法において、前記複数のレーザ・エレメントが、二次元プロファイルを生成し、前記選択的に再配置するステップが、第1次元に沿ってビームの数を減少させる一方、第2次元を横切ってビームの数を増大させる、方法。
- 請求項18記載の方法において、前記選択的に再配置するステップにおいて、ペリスコープのアレイを使用する、方法。
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