JP4041782B2 - 半導体レーザ励起固体レーザ - Google Patents
半導体レーザ励起固体レーザ Download PDFInfo
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- JP4041782B2 JP4041782B2 JP2003323841A JP2003323841A JP4041782B2 JP 4041782 B2 JP4041782 B2 JP 4041782B2 JP 2003323841 A JP2003323841 A JP 2003323841A JP 2003323841 A JP2003323841 A JP 2003323841A JP 4041782 B2 JP4041782 B2 JP 4041782B2
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- 239000007787 solid Substances 0.000 title claims description 9
- 239000013078 crystal Substances 0.000 claims description 201
- 230000005284 excitation Effects 0.000 claims description 84
- 230000003287 optical effect Effects 0.000 claims description 27
- 238000005086 pumping Methods 0.000 claims description 25
- -1 rare earth ions Chemical class 0.000 claims description 23
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 23
- 239000002131 composite material Substances 0.000 claims description 8
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- 238000002310 reflectometry Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
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- 229910052779 Neodymium Inorganic materials 0.000 description 2
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- 239000000758 substrate Substances 0.000 description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
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- 239000008710 crystal-8 Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- VCZFPTGOQQOZGI-UHFFFAOYSA-N lithium bis(oxoboranyloxy)borinate Chemical compound [Li+].[O-]B(OB=O)OB=O VCZFPTGOQQOZGI-UHFFFAOYSA-N 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- UKDIAJWKFXFVFG-UHFFFAOYSA-N potassium;oxido(dioxo)niobium Chemical compound [K+].[O-][Nb](=O)=O UKDIAJWKFXFVFG-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- QWVYNEUUYROOSZ-UHFFFAOYSA-N trioxido(oxo)vanadium;yttrium(3+) Chemical compound [Y+3].[O-][V]([O-])([O-])=O QWVYNEUUYROOSZ-UHFFFAOYSA-N 0.000 description 1
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- 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
- H01S3/0602—Crystal lasers or glass lasers
- H01S3/0604—Crystal lasers or glass lasers in the form of a plate or disc
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- 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
- H01S3/07—Construction or shape of active medium consisting of a plurality of parts, e.g. segments
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- 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
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- H—ELECTRICITY
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- 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
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0405—Conductive cooling, e.g. by heat sinks or thermo-electric elements
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- 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
- H01S3/0602—Crystal lasers or glass lasers
- H01S3/0617—Crystal lasers or glass lasers having a varying composition or cross-section in a specific direction
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- 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
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
- H01S3/109—Frequency multiplication, e.g. harmonic 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
- H01S3/1123—Q-switching
- H01S3/117—Q-switching using intracavity acousto-optic devices
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- H—ELECTRICITY
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—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
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- H—ELECTRICITY
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- 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
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—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
- H01S3/1645—Solid materials characterised by a crystal matrix halide
- H01S3/1653—YLiF4(YLF, LYF)
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- H—ELECTRICITY
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—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
- H01S3/1671—Solid materials characterised by a crystal matrix vanadate, niobate, tantalate
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- 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
- H01S3/1671—Solid materials characterised by a crystal matrix vanadate, niobate, tantalate
- H01S3/1673—YVO4 [YVO]
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Lasers (AREA)
Description
2 励起光学系
3 誘電体多層膜反射鏡
4 出力鏡
5,11 第1のレーザ結晶素子
6,12 第2のレーザ結晶素子
7 第3のレーザ結晶素子
8 非線形光学結晶
9 Qスイッチ
10 ヒートシンク
13 間隔
Claims (5)
- 出力鏡と少なくとも1枚の反射鏡の間でレーザ共振器を構成し、前記レーザ共振器に少なくとも希土類イオンを添加したレーザ結晶を配置し、さらに前記レーザ共振器の外部に配置された半導体レーザと、この半導体レーザの出力光を集光するための励光学系を配置し、前記レーザ共振器の光軸と同軸上に沿って出てくる前記半導体レーザの出力光で前記レーザ結晶を励起する半導体レーザ励起固体レーザにおいて、
前記レーザ結晶として、それぞれ希土類イオンを含み、希土類イオン濃度が異なるだけで同じ組成式をした複数のレーザ結晶素子を、励起光が入射する側から希土類イオン濃度の低い順に並べて配置すると共に、前記レーザ結晶のレーザが通過する面を除く側面に放熱手段を設け、レーザが通過する面と直交する外側へ放熱させることを特徴とした半導体レーザ励起固体レーザ。 - 前記レーザ結晶は、各レーザ結晶素子を密着状態で配置した請求項1に記載した半導体レーザ励起固体レーザ。
- 前記レーザ結晶は、各レーザ結晶素子を一体に接合して複合化結晶にした請求項1に記載した半導体レーザ励起固体レーザ。
- 前記レーザ結晶は、各レーザ結晶素子を間隔をあけた近接状態で配置すると共に、この間隔は最も厚さの小さいレーザ結晶素子に比べて十分に小さく設定した請求項1に記載した半導体レーザ励起固体レーザ。
- 前記各レーザ結晶素子における前記光軸方向の単位長さ当り励起光吸収量の最大値を概ね等しくした請求項1〜4のいずれかに記載した半導体レーザ励起固体レーザ。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003323841A JP4041782B2 (ja) | 2003-09-17 | 2003-09-17 | 半導体レーザ励起固体レーザ |
| US10/810,693 US20050058174A1 (en) | 2003-09-17 | 2004-03-29 | Solid state laser using a semiconductor pumping light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003323841A JP4041782B2 (ja) | 2003-09-17 | 2003-09-17 | 半導体レーザ励起固体レーザ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005093624A JP2005093624A (ja) | 2005-04-07 |
| JP4041782B2 true JP4041782B2 (ja) | 2008-01-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003323841A Expired - Lifetime JP4041782B2 (ja) | 2003-09-17 | 2003-09-17 | 半導体レーザ励起固体レーザ |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20050058174A1 (ja) |
| JP (1) | JP4041782B2 (ja) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7280569B2 (en) * | 2004-07-08 | 2007-10-09 | Coherent, Inc. | Electro-optical modulator module for CO2 laser Q-switching, mode-locking, and cavity dumping |
| JP4496029B2 (ja) * | 2004-07-20 | 2010-07-07 | 株式会社リコー | Ld励起固体レーザ装置 |
| JP2006093627A (ja) * | 2004-09-27 | 2006-04-06 | National Institutes Of Natural Sciences | レーザ装置 |
| JP4627445B2 (ja) * | 2005-02-23 | 2011-02-09 | 浜松ホトニクス株式会社 | レーザ増幅装置 |
| JP5330801B2 (ja) * | 2008-11-04 | 2013-10-30 | 三菱重工業株式会社 | レーザ利得媒質、レーザ発振器及びレーザ増幅器 |
| JP2010123819A (ja) * | 2008-11-21 | 2010-06-03 | Shimadzu Corp | レーザ媒質 |
| JP5281922B2 (ja) * | 2009-02-25 | 2013-09-04 | 浜松ホトニクス株式会社 | パルスレーザ装置 |
| WO2011016170A1 (ja) * | 2009-08-03 | 2011-02-10 | パナソニック株式会社 | 波長変換レーザ及び画像表示装置 |
| EP2680377B1 (en) * | 2012-06-29 | 2017-05-10 | C2C Link Corporation | Method for making a laser module |
| US9197027B2 (en) | 2012-07-05 | 2015-11-24 | C2C Link Corporation | Method for making laser module |
| US20140056321A1 (en) * | 2012-08-22 | 2014-02-27 | Xiaoyuan Peng | Optical amplifier and process |
| CN102801102A (zh) * | 2012-09-07 | 2012-11-28 | 长春理工大学 | 一种3.9μm中红外激光器 |
| US9160136B1 (en) * | 2014-05-30 | 2015-10-13 | Lee Laser, Inc. | External diffusion amplifier |
| JP6456080B2 (ja) * | 2014-09-18 | 2019-01-23 | 株式会社トプコン | レーザ発振装置 |
| JP6579569B2 (ja) * | 2014-10-20 | 2019-09-25 | 三星ダイヤモンド工業株式会社 | 固体レーザ素子 |
| JP6579568B2 (ja) * | 2014-10-20 | 2019-09-25 | 三星ダイヤモンド工業株式会社 | 固体レーザ素子 |
| CN104701720A (zh) * | 2015-03-13 | 2015-06-10 | 李斌 | 一种分离式被动调q紫外光激光器及其激光产生方法 |
| CN104701718A (zh) * | 2015-03-13 | 2015-06-10 | 李斌 | 一种双增益晶体被动调q激光器及其激光产生方法 |
| US20190245320A1 (en) * | 2016-05-26 | 2019-08-08 | Compound Photonics Limited | Solid-state laser system |
| JP6245587B1 (ja) * | 2016-10-28 | 2017-12-13 | 大学共同利用機関法人自然科学研究機構 | レーザー部品 |
| CN108011289B (zh) * | 2018-01-05 | 2024-11-22 | 青岛镭创光电技术有限公司 | 激光器及激光系统 |
| JP2019062229A (ja) * | 2018-12-18 | 2019-04-18 | 株式会社トプコン | レーザ発振装置 |
| US11881676B2 (en) * | 2019-01-31 | 2024-01-23 | L3Harris Technologies, Inc. | End-pumped Q-switched laser |
| CN111244744B (zh) * | 2020-01-16 | 2022-02-15 | 中国科学院大连化学物理研究所 | 一种高功率激光系统中光学晶体损伤防护方法 |
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| DE19745785C2 (de) * | 1997-10-16 | 2002-12-05 | Eads Deutschland Gmbh | Laserstrahlungsquelle für ein DIRCM-Waffensystem |
| US6185235B1 (en) * | 1998-11-24 | 2001-02-06 | Spectra-Physics Lasers, Inc. | Lasers with low doped gain medium |
| DE19927054A1 (de) * | 1999-06-14 | 2000-12-28 | Rofin Sinar Laser Gmbh | Festkörperlaser |
| DE19934638B4 (de) * | 1999-07-23 | 2004-07-08 | Jenoptik Ldt Gmbh | Modensynchronisierter Festkörperlaser mit mindestens einem konkaven Faltungsspiegel |
| US6807200B2 (en) * | 2001-09-25 | 2004-10-19 | Dso National Laboratories | Apparatus for generating laser radiation |
| ITTO20020173A1 (it) * | 2002-02-28 | 2003-08-28 | Bright Solutions Soluzioni Las | Metodo di pompaggio di una cavita' laser e relativo sistema laser. |
| JP4202729B2 (ja) * | 2002-11-19 | 2008-12-24 | 株式会社トプコン | 固体レーザ装置 |
| US6967766B2 (en) * | 2003-04-29 | 2005-11-22 | Raytheon Company | Zigzag slab laser amplifier with integral reflective surface and method |
-
2003
- 2003-09-17 JP JP2003323841A patent/JP4041782B2/ja not_active Expired - Lifetime
-
2004
- 2004-03-29 US US10/810,693 patent/US20050058174A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20050058174A1 (en) | 2005-03-17 |
| JP2005093624A (ja) | 2005-04-07 |
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