WO2009028352A1 - レーザ発振器及びレーザ光の発振方法 - Google Patents

レーザ発振器及びレーザ光の発振方法 Download PDF

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Publication number
WO2009028352A1
WO2009028352A1 PCT/JP2008/064755 JP2008064755W WO2009028352A1 WO 2009028352 A1 WO2009028352 A1 WO 2009028352A1 JP 2008064755 W JP2008064755 W JP 2008064755W WO 2009028352 A1 WO2009028352 A1 WO 2009028352A1
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WO
WIPO (PCT)
Prior art keywords
laser
ceramics
laser medium
yag ceramics
oscillation method
Prior art date
Application number
PCT/JP2008/064755
Other languages
English (en)
French (fr)
Inventor
Kenju Otsuka
Original Assignee
Tokai University Educational System
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tokai University Educational System filed Critical Tokai University Educational System
Priority to EP08792538A priority Critical patent/EP2187487A1/en
Priority to JP2009530056A priority patent/JPWO2009028352A1/ja
Publication of WO2009028352A1 publication Critical patent/WO2009028352A1/ja
Priority to US12/708,729 priority patent/US20100215069A1/en

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Classifications

    • 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
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • 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
    • H01S3/06—Construction or shape of active medium
    • H01S3/0627—Construction or shape of active medium the resonator being monolithic, e.g. microlaser
    • 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
    • H01S3/08018—Mode suppression
    • H01S3/0804—Transverse or lateral modes
    • H01S3/08045—Single-mode emission
    • 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
    • H01S3/09—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
    • 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
    • H01S3/09—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
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • H01S3/09415—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-pumping
    • 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
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/1601—Solid materials characterised by an active (lasing) ion
    • H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1611—Solid materials characterised by an active (lasing) ion rare earth neodymium
    • 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
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/1601—Solid materials characterised by an active (lasing) ion
    • H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1618—Solid materials characterised by an active (lasing) ion rare earth ytterbium
    • 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
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/163—Solid materials characterised by a crystal matrix
    • H01S3/164—Solid materials characterised by a crystal matrix garnet
    • H01S3/1643—YAG
    • 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
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/1685—Ceramics

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)

Abstract

Ｎｄ：ＹＡＧセラミックスまたはＹｂ：ＹＡＧセラミックスなどのセラミックスレーザ媒質を用いて、横モードパターンの局所モードへの分裂を抑圧し、単一周波数、直線偏波発振がＴＥＭ００モードで達成されるようにする。励起光を発振するレーザ光源と、発振された励起光が入射される、平均グレインサイズが5μｍ以下のＮｄ：ＹＡＧセラミックスまたはＹｂ：ＹＡＧセラミックスを有するレーザ媒質と、を有するレーザ発振器を提供する。レーザ媒質は、第１の誘電体多層膜を有する第１の面及び第２の誘電体多層膜を有する第２の面を有していてもよい。
PCT/JP2008/064755 2007-08-24 2008-08-19 レーザ発振器及びレーザ光の発振方法 WO2009028352A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08792538A EP2187487A1 (en) 2007-08-24 2008-08-19 Laser oscillator and laser beam oscillation method
JP2009530056A JPWO2009028352A1 (ja) 2007-08-24 2008-08-19 レーザ発振器及びレーザ光の発振方法
US12/708,729 US20100215069A1 (en) 2007-08-24 2010-02-19 Laser oscillator and laser beam oscillation method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-218019 2007-08-24
JP2007218019 2007-08-24

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/708,729 Continuation US20100215069A1 (en) 2007-08-24 2010-02-19 Laser oscillator and laser beam oscillation method

Publications (1)

Publication Number Publication Date
WO2009028352A1 true WO2009028352A1 (ja) 2009-03-05

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PCT/JP2008/064755 WO2009028352A1 (ja) 2007-08-24 2008-08-19 レーザ発振器及びレーザ光の発振方法

Country Status (4)

Country Link
US (1) US20100215069A1 (ja)
EP (1) EP2187487A1 (ja)
JP (1) JPWO2009028352A1 (ja)
WO (1) WO2009028352A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2256879A1 (de) * 2009-05-26 2010-12-01 High Q Technologies GmbH Ultrakurzpulslasersystem und Verfahren zur Erzeugung von Femto- oder Pikosekundenpulsen
US8089998B2 (en) 2009-05-26 2012-01-03 High Q Technologies Gmbh Ultra-short pulse laser system and method for producing femtosecond or picosecond pulses
WO2014157119A1 (ja) * 2013-03-29 2014-10-02 ウシオ電機株式会社 ファイバーレーザー光源装置

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US9236703B2 (en) * 2011-11-07 2016-01-12 Raytheon Company Laser system and method for producing a linearly polarized single frequency output using polarized and non-polarized pump diodes
US9515448B2 (en) 2012-09-26 2016-12-06 Raytheon Company Microchip laser with single solid etalon and interfacial coating
US10816803B2 (en) * 2017-04-03 2020-10-27 Mira Labs, Inc. Reflective lens headset

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WO2004067474A1 (ja) * 2003-01-27 2004-08-12 Konoshima Chemical Co., Ltd. 希土類ガーネット焼結体とその製造方法

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Patent Citations (1)

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WO2004067474A1 (ja) * 2003-01-27 2004-08-12 Konoshima Chemical Co., Ltd. 希土類ガーネット焼結体とその製造方法

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2256879A1 (de) * 2009-05-26 2010-12-01 High Q Technologies GmbH Ultrakurzpulslasersystem und Verfahren zur Erzeugung von Femto- oder Pikosekundenpulsen
US8089998B2 (en) 2009-05-26 2012-01-03 High Q Technologies Gmbh Ultra-short pulse laser system and method for producing femtosecond or picosecond pulses
WO2014157119A1 (ja) * 2013-03-29 2014-10-02 ウシオ電機株式会社 ファイバーレーザー光源装置

Also Published As

Publication number Publication date
EP2187487A1 (en) 2010-05-19
US20100215069A1 (en) 2010-08-26
JPWO2009028352A1 (ja) 2010-11-25

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