JP5210309B2 - ダイオードレーザを備えるポンプ光源の駆動方法 - Google Patents
ダイオードレーザを備えるポンプ光源の駆動方法 Download PDFInfo
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- H01S3/09—Processes or apparatus for excitation, e.g. pumping
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- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/1312—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping
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- H01S5/00—Semiconductor lasers
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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
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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
- H01S3/0627—Construction or shape of active medium the resonator being monolithic, e.g. microlaser
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094049—Guiding of the pump light
- H01S3/094053—Fibre coupled pump, e.g. delivering pump light using a fibre or a fibre bundle
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094076—Pulsed or modulated pumping
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/10069—Memorized or pre-programmed characteristics, e.g. look-up table [LUT]
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/1022—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping
- H01S3/1024—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping for pulse generation
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—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
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- H01S3/113—Q-switching using intracavity saturable absorbers
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- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/06804—Stabilisation of laser output parameters by monitoring an external parameter, e.g. temperature
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- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Lasers (AREA)
- Semiconductor Lasers (AREA)
Description
Claims (9)
- レーザ装置(26)を光学的にポンピングするためのポンプ光(28a)を形成するダイオードレーザ(31)を備えるポンプ光源(30)の駆動方法であって、
前記ポンプ光源(30)は、内燃機関(10)用の点火装置のレーザ装置(26)を光学的にポンピングするために使用され、
前記レーザ装置(26)は、パッシブ型Q回路(46)を備えるレーザアクティブな固体(44)を有し、
前記ポンプ光源(30)は第1の動作モードで、前記ダイオードレーザ(31)が所定の目標温度をとるように制御され、
前記目標温度は、前記ポンプ光源(30)により形成されるポンプ光(28a)が所望の波長(λ soll )を有するような温度に設定され、該所望の波長(λ soll )はレーザ装置(26)のレーザアクティブな固体(44)がポンプ光(28)に対して最大吸光係数を有する波長(λ max )の下方領域にあり、
前記ポンプ光源(30)は、前記第1の動作モードに続く第2の動作モードで、前記レーザ装置(26)のレーザアクティブな固体(44)に反転分布を生じさせるポンプ光(28a)を形成するように制御され、
前記第2の動作モードにおける制御電流(i)および/または制御持続時間は、レーザ装置(26)にレーザモードが発生しないように選択されており、
前記ポンプ光源(30)は、前記第2の動作モードに続く第3の動作モードで、前記レーザ装置(26)でレーザモードを活性化するようなポンプ光(28a)を形成するように制御される、ことを特徴とする方法。 - 請求項1記載の方法において、
制御電流(i)および/または制御持続時間は、前記目標温度に依存して設定される、ことを特徴とする方法。 - 請求項2記載の方法において、
前記制御電流(i)は、前記ダイオードレーザ(31)の閾値電流の領域にあるよう選択され、
前記制御電流(i)は、閾値電流の2倍より小さいかまたは同じ大きさである、ことを特徴とする方法。 - 請求項1から3までのいずれか一項記載の方法において、
前記ダイオードレーザ(31)の温度は、該ダイオードレーザ(31)と熱接触した熱電対の使用によって検出され、および/または前記ダイオードレーザ(31)の電気抵抗から導出される、ことを特徴とする方法。 - 請求項1から4までのいずれか一項記載の方法において、
前記ダイオードレーザ(31)は、前記目標温度に達した後に初めて実行される第2の動作モードで、ポンプ光(28a)を形成するために制御され、
該第2の動作モードでは、前記ダイオードレーザ(31)の閾値電流より数倍大きな制御電流(i)によって制御される、ことを特徴とする方法。 - 請求項1記載の方法において、
第3の動作モードでの制御持続時間は、第2の動作モードでの制御持続時間よりも短く、および/または
第3の動作モードでの制御電流(i)は、第2の動作モードでの制御電流(i)よりも大きい、ことを特徴とする方法。 - 請求項1から6までのいずれか一項記載の方法において、
ダイオードレーザ(31)の温度とポンプ光(28a)の波長(λ)との関係は特性曲線から得られる、ことを特徴とする方法。 - コンピュータプログラムにおいて、
コンピュータを、請求項1から7までのいずれか一項記載の方法を実施するための手段として機能させるコンピュータプログラム。 - 制御装置(32)において、
前記制御装置(32)は、請求項1から7までのいずれか一項記載の方法を実施するように構成されていることを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102006039398.8 | 2006-08-22 | ||
DE200610039398 DE102006039398A1 (de) | 2006-08-22 | 2006-08-22 | Verfahren zum Betreiben einer Pumplichtquelle mit einem Diodenlaser |
PCT/EP2007/058186 WO2008022914A1 (de) | 2006-08-22 | 2007-08-07 | Verfahren zum betreiben einer pumplichtquelle mit einem diodenlaser |
Publications (2)
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JP2010502007A JP2010502007A (ja) | 2010-01-21 |
JP5210309B2 true JP5210309B2 (ja) | 2013-06-12 |
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JP2009525005A Expired - Fee Related JP5210309B2 (ja) | 2006-08-22 | 2007-08-07 | ダイオードレーザを備えるポンプ光源の駆動方法 |
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US (1) | US9136664B2 (ja) |
EP (1) | EP2057722B1 (ja) |
JP (1) | JP5210309B2 (ja) |
KR (1) | KR101448318B1 (ja) |
CN (1) | CN101507063B (ja) |
DE (1) | DE102006039398A1 (ja) |
WO (1) | WO2008022914A1 (ja) |
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DE102007046647A1 (de) * | 2007-09-28 | 2009-04-02 | Robert Bosch Gmbh | Verfahren zum Betrieb eines Lasers als Zündeinrichtung einer Brennkraftmaschine |
DE102008001239A1 (de) * | 2008-04-17 | 2009-10-22 | Robert Bosch Gmbh | Lasereinrichtung und Betriebsverfahren hierfür |
DE102008040864A1 (de) * | 2008-07-30 | 2010-02-04 | Robert Bosch Gmbh | Verfahren zum Betreiben eines Halbleiterlasers und Halbleiterlasermodul |
DE102009001468A1 (de) * | 2009-03-11 | 2010-09-16 | Robert Bosch Gmbh | Lichtquelle |
CN103031903A (zh) * | 2011-10-10 | 2013-04-10 | 湖南华廷筑邦建材有限公司 | 一种现浇钢筋砼保温墙 |
JP5801159B2 (ja) * | 2011-10-25 | 2015-10-28 | シャープ株式会社 | 情報記録ヘッドおよび情報記録装置 |
DE102018212689A1 (de) * | 2018-07-30 | 2020-01-30 | Koninklijke Philips N.V. | Verfahren zum Schätzen eines Zustandsparameters einer Laserdiode mit einer zugeordneten Fotodiode, Vorrichtung zum Überwachen des Betriebs einer solchen Laserdiode und Partikelsensorvorrichtung |
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US18350A (en) * | 1857-10-06 | Improvement in sewing-machines | ||
US4930901A (en) * | 1988-12-23 | 1990-06-05 | Electro Scientific Industries, Inc. | Method of and apparatus for modulating a laser beam |
US5151909A (en) * | 1990-10-16 | 1992-09-29 | Laserscope | Frequency doubled solid state laser having programmable pump power modes and method for controllable lasers |
US5400351A (en) * | 1994-05-09 | 1995-03-21 | Lumonics Inc. | Control of a pumping diode laser |
US5854805A (en) * | 1997-03-21 | 1998-12-29 | Lumonics Inc. | Laser machining of a workpiece |
US5926495A (en) | 1997-08-04 | 1999-07-20 | Litton Systems, Inc. | Laser diode pump wavelength sensing and control apparatus and method |
DE10042022A1 (de) | 2000-08-08 | 2002-03-07 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Messung der Temperatur des laseraktiven Bereiches einer Halbleiterlaserdiode |
EP1519039A1 (de) * | 2003-09-23 | 2005-03-30 | AVL List GmbH | Gütegeschaltener, gepumpter Festkörperlaser |
JP4352871B2 (ja) | 2003-11-20 | 2009-10-28 | オムロン株式会社 | パルス駆動レーザダイオード励起qスイッチ固体レーザ発振器並びにその発振制御方法 |
DE102004001554A1 (de) * | 2004-01-10 | 2005-08-04 | Robert Bosch Gmbh | Vorrichtung zum Zünden einer Brennkraftmaschine |
US7352784B2 (en) * | 2004-07-20 | 2008-04-01 | Jds Uniphase Corporation | Laser burst boosting method and apparatus |
KR101102786B1 (ko) | 2005-05-27 | 2012-01-05 | 로베르트 보쉬 게엠베하 | 내연기관용 점화 장치 |
CN1845401A (zh) * | 2006-05-17 | 2006-10-11 | 中国科学院上海光学精密机械研究所 | 半导体激光器泵浦光源的驱动方法 |
DE102006029996A1 (de) * | 2006-06-29 | 2008-01-03 | Robert Bosch Gmbh | Betriebsverfahren für eine Zündeinrichtung und Zündeinrichtung |
DE102006031768B4 (de) * | 2006-07-10 | 2018-10-25 | Robert Bosch Gmbh | Zündeinrichtung für eine Brennkraftmaschine |
DE102007041529A1 (de) * | 2007-08-31 | 2009-03-05 | Robert Bosch Gmbh | Lasereinrichtung und Betriebsverfahren hierfür |
DE102007043915A1 (de) * | 2007-09-14 | 2009-03-19 | Robert Bosch Gmbh | Lasereinrichtung und Betriebsverfahren hierfür |
DE102007046647A1 (de) * | 2007-09-28 | 2009-04-02 | Robert Bosch Gmbh | Verfahren zum Betrieb eines Lasers als Zündeinrichtung einer Brennkraftmaschine |
DE102007053414A1 (de) * | 2007-11-09 | 2009-05-14 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Zündung eines Kraftstoff-Luftgemisches in einem Brennraum einer Brennkraftmaschine |
DE102008001239A1 (de) * | 2008-04-17 | 2009-10-22 | Robert Bosch Gmbh | Lasereinrichtung und Betriebsverfahren hierfür |
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2006
- 2006-08-22 DE DE200610039398 patent/DE102006039398A1/de not_active Withdrawn
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2007
- 2007-08-07 WO PCT/EP2007/058186 patent/WO2008022914A1/de active Application Filing
- 2007-08-07 EP EP07788286A patent/EP2057722B1/de not_active Expired - Fee Related
- 2007-08-07 JP JP2009525005A patent/JP5210309B2/ja not_active Expired - Fee Related
- 2007-08-07 KR KR1020097003533A patent/KR101448318B1/ko not_active IP Right Cessation
- 2007-08-07 US US12/303,725 patent/US9136664B2/en not_active Expired - Fee Related
- 2007-08-07 CN CN2007800313983A patent/CN101507063B/zh not_active Expired - Fee Related
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Publication number | Publication date |
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US9136664B2 (en) | 2015-09-15 |
KR20090042801A (ko) | 2009-04-30 |
KR101448318B1 (ko) | 2014-10-07 |
CN101507063A (zh) | 2009-08-12 |
DE102006039398A1 (de) | 2008-03-06 |
CN101507063B (zh) | 2012-02-01 |
US20110235670A1 (en) | 2011-09-29 |
WO2008022914A1 (de) | 2008-02-28 |
EP2057722A1 (de) | 2009-05-13 |
EP2057722B1 (de) | 2012-10-10 |
JP2010502007A (ja) | 2010-01-21 |
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