JP4868369B2 - チャープパルス増幅を利用した広帯域超短パルス光発振器 - Google Patents
チャープパルス増幅を利用した広帯域超短パルス光発振器 Download PDFInfo
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- JP4868369B2 JP4868369B2 JP2008517888A JP2008517888A JP4868369B2 JP 4868369 B2 JP4868369 B2 JP 4868369B2 JP 2008517888 A JP2008517888 A JP 2008517888A JP 2008517888 A JP2008517888 A JP 2008517888A JP 4868369 B2 JP4868369 B2 JP 4868369B2
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- 230000008569 process Effects 0.000 claims description 20
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- 239000007924 injection Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 229910052594 sapphire Inorganic materials 0.000 description 9
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
- G02F1/3532—Arrangements of plural nonlinear devices for generating multi-colour light beams, e.g. arrangements of SHG, SFG, OPO devices for generating RGB light beams
-
- 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
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08059—Constructional details of the reflector, e.g. shape
-
- 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
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1106—Mode locking
- H01S3/1112—Passive mode locking
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
- G02F1/3542—Multipass arrangements, i.e. arrangements to make light pass multiple times through the same element, e.g. using an enhancement cavity
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
- G02F1/392—Parametric amplification
-
- 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
- H01S2301/00—Functional characteristics
- H01S2301/08—Generation of pulses with special temporal shape or frequency spectrum
-
- 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
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/0813—Configuration of resonator
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Lasers (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Description
2 エネルギー注入要素
3、5、10、12 ミラー
4 負チャープミラー
6 モードロック部
7、8 凹面鏡
9 モードロッカー
11 正チャープミラー
13 非線形光学結晶
14 励起光源
20 周波数変調部
21、22 周波数変調器
23、24 出射鏡
100 励起源
110 励起ダイオード
120 パルス源
130 信号源
140 発振器
150 伸長器
160 光学的結合手段
170 パラメトリック増幅器
180 圧縮器
ωC 正チャープ広帯域パルス光
ωi アイドラー光
ωm 被変調光パルス
ωO 広帯域超短パルス光
ωP 励起光
ωS シグナル光
図1は、本発明の実施の形態1における広帯域超短パルス光発振器の構成を示す概念図である。
図2は、本発明の実施の形態2における広帯域超短パルス光発振器の構成を示す概念図である。本実施の形態では、光パラメトリック増幅過程を用いる。なお、本実施の形態の光発振器は、図1の光発振器における光増幅媒体1とエネルギー注入要素2を、非線形光学結晶13と励起光源14に特定した構成を有する。したがって、他の要素は図1の光発振器の場合と同様であり、同一の要素については、同一の参照符号を付して、説明の重複を省略する。
図3Aは、本発明の実施の形態3における広帯域超短パルス光発振器の構成を示す概念図である。この発振器の基本的な構成は、図2に示したものと同様であり、同一の要素については、同一の参照符号を付して、説明の繰り返しを省略する。
Claims (6)
- 広帯域あるいは複数の帯域を有する入射光に対する光増幅を行い光共振器から発振する発振光への光エネルギー変換を行う1つ、あるいは複数の光増幅媒体と、
前記光増幅媒体にエネルギーを注入して光エネルギーを発生させるか、または前記光増幅媒体に光エネルギーを注入するエネルギー注入要素と、
前記発振光であるパルス光に対して負の分散を与える負の分散素子と、
前記パルス光に対してモード同期作用を与えるモードロッカーと、
前記パルス光に対して正の分散を与える正の分散素子と、
前記光増幅媒体から、前記負の分散素子、前記モードロッカー、および前記正の分散素子を経て前記光増幅媒体に戻るループ状の光路を、順方向または逆方向の少なくとも一方に前記パルス光が巡るように形成された光学系とを備えた広帯域超短パルス光発振器であって、
前記光増幅媒体は、前記光エネルギー変換を光パラメトリック増幅により行うための非線形光学結晶であり、前記非線形光学結晶に前記光パラメトリック増幅のための励起光を供給する励起光源を備えており、
前記非線形光学結晶に入射する前記パルス光と前記励起光が、各々の光軸が互いに所定の角度をもった非同軸状態になるように前記励起光源および前記光学系が配置されて、非同軸光パラメトリック発振過程による増幅が行われる広帯域超短パルス光発振器。 - 前記パルス光が前記ループ状の光路を順方向に巡り、
前記負の分散素子は前記光増幅媒体から出射された前記パルス光に負の分散を与え、
前記モードロッカーは前記負の分散素子により負の分散を与えられた前記パルス光に対してモード同期作用を与え、
前記正の分散素子は前記モードロッカーによりモード同期がかけられた前記パルス光に対して正の分散を与えるように構成された請求項1に記載の広帯域超短パルス光発振器。 - 前記正の分散素子と前記負の分散素子は相補的な作用を持つように構成されている請求項1又は2に記載の広帯域超短パルス光発振器。
- 前記負の分散素子は、前記パルス光に対してフーリエ限界パルスを形成するように負の分散を与える請求項1乃至3のいずれか1項に記載の広帯域超短パルス光発振器。
- 前記負の分散素子および前記正の分散素子として、チャープミラーが用いられた請求項1乃至4のいずれか1項に記載の広帯域超短パルス光発振器。
- 前記負の分散素子と前記モードロッカーの間に、互いに相補的な関係にある対の周波数変調器が挿入され、前記対の周波数変調器の間からパルス光を取り出すための出射鏡が配置された請求項1乃至5のいずれか1項に記載の広帯域超短パルス光発振器。
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JP2008517888A JP4868369B2 (ja) | 2006-05-26 | 2007-05-24 | チャープパルス増幅を利用した広帯域超短パルス光発振器 |
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JP2006146584 | 2006-05-26 | ||
JP2006146584 | 2006-05-26 | ||
JP2008517888A JP4868369B2 (ja) | 2006-05-26 | 2007-05-24 | チャープパルス増幅を利用した広帯域超短パルス光発振器 |
PCT/JP2007/060634 WO2007138983A1 (ja) | 2006-05-26 | 2007-05-24 | チャープパルス増幅を利用した広帯域超短パルス光発振器 |
Publications (2)
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JPWO2007138983A1 JPWO2007138983A1 (ja) | 2009-10-08 |
JP4868369B2 true JP4868369B2 (ja) | 2012-02-01 |
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JP2008517888A Expired - Fee Related JP4868369B2 (ja) | 2006-05-26 | 2007-05-24 | チャープパルス増幅を利用した広帯域超短パルス光発振器 |
Country Status (4)
Country | Link |
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US (1) | US7907332B2 (ja) |
EP (1) | EP2026124A1 (ja) |
JP (1) | JP4868369B2 (ja) |
WO (1) | WO2007138983A1 (ja) |
Cited By (1)
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WO2017047712A1 (ja) * | 2015-09-16 | 2017-03-23 | 国立大学法人東京大学 | レーザー発振器及びレーザー発振器を備えた分光装置、光コヒーレンストモグラフィ装置、非同期光サンプリング装置、長距離絶対距離計測装置、cwレーザー高速高分解能分光装置 |
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JP2009032916A (ja) * | 2007-07-27 | 2009-02-12 | Fujifilm Corp | 分散補償器およびそれを用いた固体レーザ装置並びに分散補償方法 |
JP5361054B2 (ja) * | 2009-01-14 | 2013-12-04 | 独立行政法人日本原子力研究開発機構 | チャープパルス増幅を利用した光発振器内での強光電磁場発生器 |
DE102010018035A1 (de) | 2010-04-23 | 2011-10-27 | Gottfried Wilhelm Leibniz Universität Hannover | Parametrischer Oszillator und Verfahren zum Erzeugen ultrakurzer Pulse |
US9250178B2 (en) * | 2011-10-07 | 2016-02-02 | Kla-Tencor Corporation | Passivation of nonlinear optical crystals |
WO2013050054A1 (en) * | 2011-10-07 | 2013-04-11 | MAX-PLANCK-Gesellschaft zur Förderung der Wissenschaften e.V. | Laser device with kerr effect based mode-locking and operation thereof |
JP2013174812A (ja) * | 2012-02-27 | 2013-09-05 | Osaka Univ | レーザ装置 |
EP3064992B1 (de) | 2015-03-06 | 2021-09-22 | Baden-Württemberg Stiftung gGmbH | Optisches system und verfahren |
CN105428984A (zh) * | 2015-11-11 | 2016-03-23 | 上海交通大学 | 准参量啁啾脉冲放大器 |
FR3080495B1 (fr) * | 2018-04-20 | 2021-08-06 | Ecole Polytech | Procede de generation d'impulsions ultracourtes |
WO2020160422A1 (en) * | 2019-02-02 | 2020-08-06 | Mks Instruments | Low repetition rate infrared tunable femtosecond laser source |
CN109950778A (zh) * | 2019-03-29 | 2019-06-28 | 中国空间技术研究院 | 一种端面泵浦注入锁定单频脉冲板条激光器装置 |
CN110086073A (zh) * | 2019-04-19 | 2019-08-02 | 中国科学院上海光学精密机械研究所 | 光谱整形的频域光参量啁啾脉冲放大装置 |
CN111180985B (zh) * | 2020-01-08 | 2023-12-26 | 西安电子科技大学 | 一种产生高重复频率飞秒激光的实验装置和方法 |
CN111900596A (zh) * | 2020-06-05 | 2020-11-06 | 山东大学 | 一种激光参数调节系统 |
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2007
- 2007-05-24 WO PCT/JP2007/060634 patent/WO2007138983A1/ja active Application Filing
- 2007-05-24 JP JP2008517888A patent/JP4868369B2/ja not_active Expired - Fee Related
- 2007-05-24 EP EP07744068A patent/EP2026124A1/en not_active Withdrawn
- 2007-05-24 US US12/227,724 patent/US7907332B2/en not_active Expired - Fee Related
Patent Citations (5)
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JPH04302188A (ja) * | 1990-12-21 | 1992-10-26 | Coherent Inc | 非線形自己集束素子を使用するモード同期レーザ |
JPH04361580A (ja) * | 1991-06-10 | 1992-12-15 | Nippon Steel Corp | 超短パルス固体レーザ装置 |
JPH0870151A (ja) * | 1994-08-30 | 1996-03-12 | Fujitsu Ltd | モード同期レーザ |
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WO2017047712A1 (ja) * | 2015-09-16 | 2017-03-23 | 国立大学法人東京大学 | レーザー発振器及びレーザー発振器を備えた分光装置、光コヒーレンストモグラフィ装置、非同期光サンプリング装置、長距離絶対距離計測装置、cwレーザー高速高分解能分光装置 |
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Publication number | Publication date |
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WO2007138983A1 (ja) | 2007-12-06 |
JPWO2007138983A1 (ja) | 2009-10-08 |
US20090168148A1 (en) | 2009-07-02 |
EP2026124A1 (en) | 2009-02-18 |
US7907332B2 (en) | 2011-03-15 |
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