JP7038775B2 - レーザ衝撃ピーニング処理において使用するための方法および装置 - Google Patents
レーザ衝撃ピーニング処理において使用するための方法および装置 Download PDFInfo
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Description
Claims (15)
- レーザ衝撃ピーニング用の装置(100)内での使用のための多段増幅器(106)であって、前記多段増幅器(106)は、
前記装置(100)からの第1エネルギー出力を有するレーザビーム(108)を第1増幅し、第2エネルギーを有する第1増幅済みビーム(915)を出力するよう構成された第1増幅器モジュール(913)を有する第1段(901)であって、前記第1段(901)は、第1光アイソレータ(907)、第1真空リレー撮像モジュール(VRIM)(909)、および前記第1増幅器モジュール(913)という第1順序に従う直接連続配列を備え、それにより、前記レーザビーム(108)は、前記第1光アイソレータ(907)を通って、直接前記第1VRIM(909)内を、次いで直接前記第1増幅器モジュール(913)内を連続的に通過して前記第1増幅済みビーム(915)を出力し、前記第2エネルギーへの第1増幅の前に、前記レーザビーム(108)は、前記第1VRIM(909)によりコリメートされ、より大きい直径の第1コリメート済みビーム(911)をもたらす、第1段(901)と、
前記第2エネルギーを有する第1増幅済みビーム(915)を第2増幅し、第3エネルギーを有する第2増幅済みビーム(941)を出力するよう構成された第2増幅器モジュール(935)を有する第2段(902)であって、前記第2段(902)は、第2VRIM(933)および前記第2増幅器モジュール(935)という第2順序に従う直接連続配列を備え、それにより、前記第1増幅済みビーム(915)は、前記第2VRIM(933)を通って、次いで直接前記第2増幅器モジュール(935)内を連続的に通過して前記第2増幅済みビーム(941)を出力し、前記第3エネルギーへの第2増幅の前に、前記第1増幅済みビーム(915)は、前記第2VRIM(933)によりコリメートされ、より大きい直径の第2コリメート済みビーム(945)をもたらす、第2段(902)と、
を備える、多段増幅器(106)。 - 前記第3エネルギーを有する第2増幅済みビーム(941)を第3増幅し、第4エネルギーを有する第3増幅済みビーム(959)を出力するよう構成された第3増幅器モジュール(953)を有する第3段(903)であって、前記第3段(903)は、第2光アイソレータ(949)、第3VRIM(951)、および前記第3増幅器モジュール(953)という第3順序に従う直接連続配列を備え、それにより、前記第2増幅済みビーム(941)は、前記第2光アイソレータ(949)を通って、直接前記第3VRIM(951)内を、次いで前記第3増幅器モジュール(953)内を連続的に通過して前記第3増幅済みビーム(959)を出力し、前記第4エネルギーへの第3増幅の前に、前記第2増幅済みビーム(941)は、前記第3VRIM(951)によりコリメートされ、より大きい直径の第3コリメート済みビーム(963)をもたらす、第3段(903)
をさらに備える、請求項1に記載の多段増幅器(106)。 - 前記第3増幅済みビーム(959)を前記第4エネルギーから第5エネルギーに第4増幅するよう構成された第4増幅器モジュール(971)を有する第4段(904)であって、前記第4段(904)は、第4VRIM(967)、波長板(969)、および前記第4増幅器モジュール(971)という第4順序に従う直接連続配列を備え、それにより、前記第3増幅済みビーム(959)は、前記第4VRIM(967)を通って、直接前記波長板(969)内を、次いで前記第4増幅器モジュール(971)内を連続的に通過して出力ビーム(126)を出力し、前記第5エネルギーへの第4増幅の前に、前記第3増幅済みビーム(959)は、前記第4VRIM(967)によりコリメートされ、より大きい直径の第4コリメート済みビーム(979)をもたらす、第4段(904)
をさらに備える、請求項2に記載の多段増幅器(106)。 - 前記装置(100)は、前記レーザビーム(108)をパルスレーザビームとして出力するダイオード励起固体レーザ(DPSSL)発振器(102)を備え、前記DPSSL発振器(102)は、第1直径を有する第1レーザロッド(230)を備える、請求項1に記載の多段増幅器(106)。
- 前記パルスレーザビーム(108)を増幅する前に、前記DPSSL発振器(102)からのパルスレーザビーム(108)のエネルギーレベルおよび時間プロファイルは、変調器(104)により、前記パルスレーザビーム(108)とは異なるエネルギーレベルおよび異なる時間プロファイルを用いて、第1空間プロファイルを有する変換済みレーザビーム(110)に変換される、請求項4に記載の多段増幅器(106)。
- 前記パルスレーザビーム(108)を増幅する前に、前記変換済みレーザビーム(110)の第1空間プロファイルは、光学フィルタ(112)を通して順方向に伝達するときに、前記変換済みレーザビーム(110)のエネルギーレベルおよび時間プロファイルを修正することなく、第2空間プロファイルに変換される、請求項5に記載の多段増幅器(106)。
- レーザ衝撃ピーニング用の装置(100)内でレーザビームを増幅する方法であって、前記方法は、
増幅済みビームを出力するべく、多段増幅器(106)により、前記装置(100)により生成されたレーザビーム(108)を連続的に増幅することであって、前記連続的に増幅することは、
前記装置(100)からの第1エネルギー出力を有するレーザビーム(108)を第1増幅し、第2エネルギーを有する第1増幅済みビーム(915)を出力するよう構成された第1増幅器モジュール(913)を有する第1段(901)により増幅することであって、前記第1段(901)は、第1光アイソレータ(907)、第1真空リレー撮像モジュール(VRIM)(909)、および前記第1増幅器モジュール(913)という第1順序に従う直接連続配列を備え、それにより、前記レーザビーム(108)は、前記第1光アイソレータ(907)を通って、直接前記第1VRIM(909)内を、次いで前記第1増幅器モジュール(913)内を連続的に通過して前記第1増幅済みビーム(915)を出力し、前記第2エネルギーへの第1増幅の前に、前記レーザビーム(108)は、前記第1VRIM(909)によりコリメートされ、より大きい直径の第1コリメート済みビーム(911)をもたらすことと、
前記第2エネルギーを有する第1増幅済みビーム(915)を第2増幅し、第3エネルギーを有する第2増幅済みビーム(941)を出力するよう構成された第2増幅器モジュール(935)を有する第2段(902)により増幅することであって、前記第2段(902)は、第2VRIM(933)および前記第2増幅器モジュール(935)という第2順序に従う直接連続配列を備え、それにより、前記第1増幅済みビーム(915)は、前記第2VRIM(933)を通って、次いで直接前記第2増幅器モジュール(935)内を連続的に通過して前記第2増幅済みビーム(941)を出力し、前記第3エネルギーへの第2増幅の前に、前記第1増幅済みビーム(915)は、前記第2VRIM(933)によりコリメートされ、より大きい直径の第2コリメート済みビーム(945)をもたらすことと、
を備えること
を備える、方法。 - 前記連続的に増幅することは、
前記第3エネルギーを有する第2増幅済みビーム(941)を第3増幅し、第4エネルギーを有する第3増幅済みビーム(959)を出力するよう構成された第3増幅器モジュール(953)を有する第3段(903)により増幅することであって、前記第3段(903)は、第2光アイソレータ(949)、第3VRIM(951)、および前記第3増幅器モジュール(953)という第3順序に従う直接連続配列を備え、それにより、前記第2増幅済みビーム(941)は、前記第2光アイソレータ(949)を通って、直接前記第3VRIM(951)内を、次いで直接前記第3増幅器モジュール(953)内を連続的に通過して前記第3増幅済みビーム(959)を出力し、前記第4エネルギーへの第3増幅の前に、前記第2増幅済みビーム(941)は、前記第3VRIM(951)によりコリメートされ、より大きい直径の第3コリメート済みビーム(963)をもたらすこと
をさらに備える、請求項7に記載の方法。 - 前記連続的に増幅することは、
前記第3増幅済みビーム(959)を前記第4エネルギーから第5エネルギーに第4増幅するよう構成された第4増幅器モジュール(971)を有する第4段(904)により増幅することであって、前記第4段(904)は、第4VRIM(967)、波長板(969)、および前記第4増幅器モジュール(971)という第4順序に従う直接連続配列を備え、それにより、前記第3増幅済みビーム(959)は、前記第4VRIM(967)を通って、直接前記波長板(969)内を、次いで直接前記第4増幅器モジュール(971)内を連続的に通過して出力ビーム(126)を出力し、前記第5エネルギーへの第4増幅の前に、前記第3増幅済みビーム(959)は、前記第4VRIM(967)によりコリメートされ、より大きい直径の第4コリメート済みビーム(979)をもたらすこと
をさらに備える、請求項8に記載の方法。 - 前記装置(100)は、前記レーザビーム(108)をパルスレーザビームとして出力するダイオード励起固体レーザ(DPSSL)発振器(102)を備え、前記DPSSL発振器(102)は、第1直径を有する第1レーザロッド(230)を備える、請求項7に記載の方法。
- 前記パルスレーザビーム(108)を増幅する前に、前記DPSSL発振器(102)からのパルスレーザビーム(108)のエネルギーレベルおよび時間プロファイルは、変調器(104)により、前記パルスレーザビーム(108)とは異なるエネルギーレベルおよび異なる時間プロファイルを用いて、第1空間プロファイルを有する変換済みレーザビーム(110)に変換される、請求項10に記載の方法。
- 前記パルスレーザビーム(108)を増幅する前に、前記変換済みレーザビーム(110)の第1空間プロファイルは、光学フィルタ(112)を通して順方向に伝達するときに、前記変換済みレーザビーム(110)のエネルギーレベルおよび時間プロファイルを修正することなく、第2空間プロファイルに変換される、請求項11に記載の方法。
- レーザ衝撃ピーニングにおける使用のための装置であって、前記装置は、
第1エネルギーを有するパルスレーザビーム(108)を出力するよう構成されたダイオード励起固体レーザ(DPSSL)発振器(102)と、
前記DPSSL発振器(102)から前記パルスレーザビーム(108)を受け取り、第1エネルギーおよび第1時間プロファイルを有するパルスレーザビームを変換し、第2エネルギーおよび第2時間プロファイルを有する変換済みレーザビーム(110)を出力するよう構成された変調器(104)と、
多段増幅器(106)であって、
前記第2エネルギーを有する変換済みレーザビーム(110)を第1増幅し、第3エネルギーを有する第1増幅済みビーム(915)を出力するよう構成された第1増幅器モジュール(913)を有する第1段(901)であって、前記第1段(901)は、第1光アイソレータ(907)、第1真空リレー撮像モジュール(VRIM)(909)、および前記第1増幅器モジュール(913)という第1順序に従う直接連続配列を備え、それにより、前記パルスレーザビーム(108)は、前記第1光アイソレータ(907)を通って、直接前記第1VRIM(909)内を、次いで直接前記第1増幅器モジュール(913)内を連続的に通過して前記第1増幅済みビーム(915)を出力し、前記第3エネルギーへの第1増幅の前に、前記パルスレーザビーム(108)は、前記第1VRIM(909)によりコリメートされ、より大きい直径の第1コリメート済みビーム(911)をもたらす、第1段(901)と、
前記第3エネルギーを有する第1増幅済みビーム(915)を第2増幅し、第4エネルギーを有する第2増幅済みビーム(941)を出力するよう構成された第2増幅器モジュール(935)を有する第2段(902)であって、前記第2段(902)は、第2VRIM(933)および前記第2増幅器モジュール(935)という第2順序に従う直接連続配列を備え、それにより、前記第1増幅済みビーム(915)は、前記第2VRIM(933)を通って、次いで直接前記第2増幅器モジュール(935)内を連続的に通過して前記第2増幅済みビーム(941)を出力し、前記第4エネルギーへの第2増幅の前に、前記第1増幅済みビーム(915)は、前記第2VRIM(933)によりコリメートされ、より大きい直径の第2コリメート済みビーム(945)をもたらす、第2段(902)と、
を備える、多段増幅器(106)と、
を備える、装置。 - 前記パルスレーザビーム(108)を増幅する前に、前記変換済みレーザビーム(110)の第1空間プロファイルは、光学フィルタ(112)を通して順方向に伝達するときに、前記変換済みレーザビーム(110)のエネルギーレベルおよび時間プロファイルを修正することなく、第2空間プロファイルに変換される、請求項13に記載の装置。
- 前記変換済みレーザビーム(110)の第2空間プロファイルは、前記第1VRIM(909)を通過するときに保持される、請求項14に記載の装置。
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JP2021010017A (ja) | 2021-01-28 |
JP6772147B2 (ja) | 2020-10-21 |
EP3588698A1 (en) | 2020-01-01 |
CN110564937B (zh) | 2021-03-26 |
CN110564937A (zh) | 2019-12-13 |
EP3242768A4 (en) | 2019-01-23 |
WO2016112301A1 (en) | 2016-07-14 |
EP3242768A1 (en) | 2017-11-15 |
CA2973382A1 (en) | 2016-07-14 |
US10819079B2 (en) | 2020-10-27 |
US20180001417A1 (en) | 2018-01-04 |
US11955763B2 (en) | 2024-04-09 |
JP2018508981A (ja) | 2018-03-29 |
CN107249809B (zh) | 2019-10-18 |
US20210083446A1 (en) | 2021-03-18 |
EP3242768B1 (en) | 2019-09-11 |
CN107249809A (zh) | 2017-10-13 |
EP3588698B1 (en) | 2023-09-06 |
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