JP2016524864A - バーストモードレーザー発生装置及び方法 - Google Patents
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Abstract
Description
100 トリガー信号発生器
110 バーストトリガー信号
200 第1レーザーダイオード
210 第1光信号
300 第2レーザーダイオード
310 第2光信号
400 光スイッチ
500 光増幅器
600 波長変換器
Claims (10)
- バーストトリガー信号を生成するトリガー信号発生器;
パルス形態の第1光信号を発生させる第1光源;
パルス形態の第2光信号を発生させる第2光源;
前記バーストトリガー信号により前記第1光信号と前記第2光信号のうちいずれか一つを選択して出力する光スイッチ;
前記光スイッチから出力された光信号を増幅する光増幅器;及び
前記光増幅器で増幅された光信号を波長変換する波長変換器を含むが、
前記第1光信号と前記第2光信号は発振線幅及び偏光状態のうち少なくとも一つが異なることを特徴とするバーストモードレーザー生成装置。 - 前記第1光源及び前記第2光源は、レーザーダイオードで設けられることを特徴とする、請求項1に記載のバーストモードレーザー生成装置。
- 前記第1光信号の発振線幅は、前記第2光信号の発振線幅より狭いことを特徴とする、請求項1に記載のバーストモードレーザー生成装置。
- 前記第1光信号の線幅は、1nm以下であり、前記第2光信号の線幅は少なくとも10nmであることを特徴とする、請求項3に記載のバーストモードレーザー生成装置。
- 前記第1光信号は、所定方向に偏光された状態であり、前記第2光信号は偏光されないことを特徴とする、請求項1〜4のいずれか1項に記載のバーストモードレーザー生成装置。
- 前記光スイッチは、
前記バーストトリガー信号がハイ(high)の場合には前記第1光信号を選択して前記光増幅器に伝達し、前記バーストトリガー信号がロー(low)の場合には前記第2光信号を選択して光増幅器に伝達することを特徴とする、請求項1に記載のバーストモードレーザー生成装置。 - 前記波長変換器は、前記増幅された光信号を非線形波長変換することを特徴とする、請求項1に記載のバーストモードレーザー生成装置。
- (a)発振線幅が狭くて偏光された第1光信号と、発振線幅が広くて偏光されない第2光信号とを発生させる段階;
(b)バーストトリガー信号を生成する段階;
(c)前記第1光信号と前記第2光信号とのうちいずれか一つを前記バーストトリガー信号により選択して出力する段階;
(d)出力された光信号を増幅する段階;及び
(e)増幅された光信号を非線形波長変換する段階を含むバーストモードレーザー生成方法。 - 前記(b)段階において、
前記バーストトリガー信号は、希望するバーストモードの波形によりこれと同一な形態で生成されることを特徴とする、請求項8に記載のバーストモードレーザー生成方法。 - 前記(c)段階においては、
前記バーストトリガー信号がハイ(high)の場合には第1光信号を選択して出力し、前記バーストトリガー信号がロー(low)の場合には第2光信号を選択して出力することを特徴とする、請求項8に記載のバーストモードレーザー生成方法。
Applications Claiming Priority (5)
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KR20130062752 | 2013-05-31 | ||
KR10-2013-0062752 | 2013-05-31 | ||
KR1020130092661A KR101304424B1 (ko) | 2013-05-31 | 2013-08-05 | 버스트 모드 레이저 발생 장치 및 방법 |
KR10-2013-0092661 | 2013-08-05 | ||
PCT/KR2013/012244 WO2014193062A1 (ko) | 2013-05-31 | 2013-12-27 | 버스트 모드 레이저 발생 장치 및 방법 |
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JP (1) | JP6140370B2 (ja) |
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Cited By (1)
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WO2021010128A1 (ja) * | 2019-07-18 | 2021-01-21 | 浜松ホトニクス株式会社 | レーザ装置及びレーザ光生成方法 |
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EP3062146B1 (en) * | 2013-10-25 | 2020-01-22 | Nikon Corporation | Laser device, and exposure device and inspection device provided with laser device |
EP3413410A1 (en) * | 2017-06-07 | 2018-12-12 | Universität Stuttgart | Radiation field generating system |
KR102639756B1 (ko) | 2021-11-09 | 2024-02-23 | 한국전자통신연구원 | 버스트모드 광송신기 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110019705A1 (en) * | 2009-07-21 | 2011-01-27 | Mobius Photonics, Inc. | Tailored pulse burst |
JP2014515886A (ja) * | 2011-04-28 | 2014-07-03 | クヮンジュ・インスティテュート・オブ・サイエンス・アンド・テクノロジー | パルスレーザー装置及びこれを用いたバストモード、可変バストモード制御方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5920393A (en) * | 1995-11-22 | 1999-07-06 | Kaplan; Milton R. | Methods and apparatus for identifying and quantifying constituent compounds in a specimen using modulated polychromatic partially polarized light |
KR100363885B1 (ko) * | 2000-12-18 | 2002-12-11 | 주식회사 케이티 | 버스트 모드 광패킷 송수신기 및 송수신 방법 |
JP4017116B2 (ja) * | 2003-08-28 | 2007-12-05 | 株式会社 東北テクノアーチ | テラヘルツ光発生装置 |
JP4480024B2 (ja) * | 2005-08-12 | 2010-06-16 | 古河電気工業株式会社 | 光パルスパターン生成器 |
US8309885B2 (en) * | 2009-01-15 | 2012-11-13 | Electro Scientific Industries, Inc. | Pulse temporal programmable ultrafast burst mode laser for micromachining |
US8462426B1 (en) * | 2009-12-03 | 2013-06-11 | The United States Of America As Represented By The Secretary Of The Air Force | Scalable monolithic single frequency fiber amplifier |
KR101145683B1 (ko) * | 2010-10-13 | 2012-05-24 | 광주과학기술원 | 레이저 시스템에서 버스트 모드 발진 방법 및 이를 위한 장치 |
KR101262346B1 (ko) * | 2011-04-28 | 2013-05-08 | 광주과학기술원 | 다중 레이저 소스를 이용한 펄스 레이저 장치 및 이를 이용한 버스트 모드, 가변 버스트 모드 제어 방법 |
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- 2013-12-27 JP JP2016516434A patent/JP6140370B2/ja active Active
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110019705A1 (en) * | 2009-07-21 | 2011-01-27 | Mobius Photonics, Inc. | Tailored pulse burst |
JP2013500583A (ja) * | 2009-07-21 | 2013-01-07 | モビアス フォトニクス, インク. | 専用に設定されているパルスバースト |
JP2014515886A (ja) * | 2011-04-28 | 2014-07-03 | クヮンジュ・インスティテュート・オブ・サイエンス・アンド・テクノロジー | パルスレーザー装置及びこれを用いたバストモード、可変バストモード制御方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021010128A1 (ja) * | 2019-07-18 | 2021-01-21 | 浜松ホトニクス株式会社 | レーザ装置及びレーザ光生成方法 |
JP2021019054A (ja) * | 2019-07-18 | 2021-02-15 | 浜松ホトニクス株式会社 | レーザ装置及びレーザ光生成方法 |
JP7368129B2 (ja) | 2019-07-18 | 2023-10-24 | 浜松ホトニクス株式会社 | レーザ装置及びレーザ光生成方法 |
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JP6140370B2 (ja) | 2017-05-31 |
US20160111849A1 (en) | 2016-04-21 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |