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公开(公告)号:WO2015096114A1
公开(公告)日:2015-07-02
申请号:PCT/CN2013/090634
申请日:2013-12-27
Applicant: 中国科学院光电研究院
IPC: H01S3/06 , H01S3/0941
CPC classification number: H01S3/0941 , H01S3/0405 , H01S3/042 , H01S3/0604 , H01S3/0606 , H01S3/0615 , H01S3/094057 , H01S3/094084 , H01S5/0228 , H01S5/4025
Abstract: 一种基于多维激光二极管堆栈侧面泵浦的大口径激光放大器,包括多个泵浦光源组合(10),每个泵浦光源组合(10)包括半导体激光二极管堆栈(11)、光束整形单元(13)和耦合导光管(12);工作物质(20)的形状为棱台,其上底面和下底面均为多边形,多边形的边数与泵浦光源组合(10)的数量相同;以及冷却装置(30);工作物质(20)每一侧面均对应设置有泵浦光源组合(10);半导体激光二极管堆栈(11)发出的泵浦光经光束整形单元(13)整形,再经耦合导光管(12)耦合后,从工作物质(20)侧面入射进行侧面泵浦,对从工作物质(20)的棱台上底面入射的激光进行放大。基于多维激光二极管堆栈侧面泵浦的大口径激光放大器适用于使用大口径的激光工作物质的大型复杂激光装置,便于调试,易于排査问题,维修方便,且能得到更高的能量增益。
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公开(公告)号:WO2015058886A1
公开(公告)日:2015-04-30
申请号:PCT/EP2014/067976
申请日:2014-08-25
Applicant: ROBERT BOSCH GMBH
Inventor: RIDDERBUSCH, Heiko
CPC classification number: H01S3/1698 , F02P23/04 , H01S3/0407 , H01S3/0612 , H01S3/0627 , H01S3/08 , H01S3/094 , H01S3/094084 , H01S3/09415 , H01S3/11 , H01S3/113 , H01S3/1618 , H01S3/164 , H01S3/1643 , H01S3/1696 , H01S5/183
Abstract: Laserzündsystem (1), insbesondere für eine Brennkraftmaschine, umfasst einen Vertikalemitter (2) und einen laseraktiven Kristall, wobei der laseraktive Kristall mindestens bereichsweise mit Ytterbium-dotiert ist, wobei der Ytterbium-dotierte Bereich (5) eine Länge (12) von 200μιη bis 7000μιη hat. Der monolithische Laser (1) basiert auf einem YAG oder LuAG Wirtskristall (3) mit 3 unterschiedlich dotierten Bereichen. Einem laseraktiven Yb-dotierten Bereich (5), einem undotierten Bereich (6) welcher die Resonatorlänge bestimmt und damit die Pulsdauer und einem Cr- or V-dotiertem Bereich (7) zur passiven Güteschaltung. Der Resonator wird durch 2 Spiegel (8,9) begrenzt.
Abstract translation: 激光点火系统(1),特别是用于内燃发动机,包括垂直发射器(2)和激光活性晶体,所述激光活性晶体至少部分掺镱与,其中所述掺镱区(5)具有的200μιη的长度(12),以 有7000μιη。 根据一个YAG基质晶体的LuAG或单片激光器(1)(3)用3个不同掺杂区。 一种激光活性掺Yb区域(5),一非掺杂区域(6),其确定所述谐振器的长度,并且因此脉冲宽度和Cr或V-掺杂区(7),用于被动Q开关。 该谐振器由2个反射镜(8,9)限制。
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公开(公告)号:WO2014180997A1
公开(公告)日:2014-11-13
申请号:PCT/EP2014/059661
申请日:2014-05-12
Applicant: PROTON LASER APPLICATIONS, S.L.
Inventor: GALAN VALIENTE, Miguel
IPC: H01S3/094 , H01S3/0941 , H01S3/02 , H01S3/08 , H01S3/102 , H01S3/11 , H01S3/042 , H01S3/06 , H01S3/10 , H01S3/106 , H01S3/16
CPC classification number: H01S3/08072 , H01S3/025 , H01S3/042 , H01S3/061 , H01S3/08 , H01S3/094076 , H01S3/09408 , H01S3/094084 , H01S3/0941 , H01S3/10046 , H01S3/1022 , H01S3/106 , H01S3/11 , H01S3/1611 , H01S3/1643 , H01S3/1653
Abstract: A laser system comprising an active medium (105) and at least one laser diode (103) that is adapted to pump the active medium, characterized in that the laser diode is arranged such that a radiation plane of laser radiation emitted from the laser diode and corresponding to the greatest emission angle a is essentially parallel or oblique to a longitudinal axis (L) of the active medium (105). The pump LD array is arranged with the long axis of each LD being parallel to the longitudinal axis (L) of the active medium (105). A laser system comprising an active medium and a reflector (530) being arranged such that the reflector surrounds the active medium (505) with at distance to the active medium characterized in that the reflector comprises a self-supporting cylinder consisting at least in part of a metal, e.g. copper, and a method for pumping an active medium of a Q-switch laser system with a plurality of laser diodes, the method being characterized in that the active medium is pumped continuously during pumping periods of a predetermined duration, the pumping periods being provided periodically and being separated by non-pumping periods, wherein, during each pumping period, at least two laser pulses are emitted from the active medium, wherein each of the at least two laser pulses is caused by a corresponding Q-switch operation in the pumping period.
Abstract translation: 一种激光系统,包括活性介质(105)和至少一个激光二极管(103),所述至少一个激光二极管(103)适于泵送所述有源介质,其特征在于,所述激光二极管被布置成使得从所述激光二极管发射的激光辐射的辐射面和 对应于最大发射角度a基本上平行或倾斜于活动介质(105)的纵向轴线(L)。 泵LD阵列布置成每个LD的长轴平行于活动介质(105)的纵向轴线(L)。 包括活性介质和反射器(530)的激光系统被布置成使得反射器在距离活性介质的距离处围绕活性介质(505),其特征在于反射器包括至少部分 金属,例如 铜和用于泵浦具有多个激光二极管的Q开关激光系统的有源介质的方法,所述方法的特征在于在预定持续时间的泵浦期间连续地泵送活性介质,泵送周期周期性地 并且由非抽吸时段分离,其中在每个泵送周期期间,从所述有源介质发射至少两个激光脉冲,其中所述至少两个激光脉冲中的每一个由所述泵浦期间中的相应Q开关操作引起 。
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公开(公告)号:WO2014120684A1
公开(公告)日:2014-08-07
申请号:PCT/US2014/013445
申请日:2014-01-28
Applicant: COHERENT, INC.
Inventor: STARODOUMOV, Andrei , HODGSON, Norman
IPC: H01S3/0941 , H01S3/23 , H01S3/06 , H01S3/067 , H01S3/094 , H01S3/16 , H01S5/40 , H01S3/00 , H01S3/04 , H01S3/042
CPC classification number: H01S3/16 , H01S3/0057 , H01S3/0085 , H01S3/0405 , H01S3/042 , H01S3/0606 , H01S3/0625 , H01S3/06758 , H01S3/094084 , H01S3/0941 , H01S3/1618 , H01S3/1643 , H01S3/2316 , H01S3/2333 , H01S5/4031
Abstract: A chirped pulse amplifier having a solid-state laser amplifier (12) for use as a final amplification stage for a fibre-MOPA, the system comprising fibre pre-amplifier (64,70,74,75), a grating stretcher (66) and a pulse picker (72) for reduction of the pulse repetition rate. The final solid-state high-power amplifier has a gain-element including a thin wafer or chip of ytterbium-doped YAG (14). An elongated gain- region (26) is formed in gain-element by multiple incidences of radiation from a diode-laser bar (20).
Abstract translation: 一种啁啾脉冲放大器,具有用作光纤MOPA的最终放大级的固态激光放大器(12),该系统包括光纤预放大器(64,70,74,75),光栅拉伸器(66) 以及用于降低脉冲重复率的脉冲拾取器(72)。 最终的固态大功率放大器具有包括掺镱YAG(14)薄晶片或芯片的增益元件。 在增益元件中通过来自二极管激光棒(20)的多次辐射而形成细长增益区(26)。
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公开(公告)号:WO2014067941A1
公开(公告)日:2014-05-08
申请号:PCT/EP2013072600
申请日:2013-10-29
Applicant: DAUSINGER & GIESEN GMBH
Inventor: NEUHAUS JOERG , SOMMER STEFFEN , LARIONOV MIKHAIL
CPC classification number: H01S3/025 , H01S3/0405 , H01S3/042 , H01S3/0604 , H01S3/0621 , H01S3/094084
Abstract: The invention relates to a laser amplifier system (1) with a solid state disk (2) comprising a laser medium and having two flat faces (3, 4), functional layers (5) comprising a reflector for a pump radiation field (6) and a reflector for a laser radiation field (7) being arranged on the first flat face (3), and the functional layers (5) being thermally and mechanically coupled to a cooling surface (8) of a cooling body (9) to dissipate heat, the coupling being brought about at least to some extent by an adhesive layer (10) that is arranged between the cooling body (9) and the functional layer (5). The laser amplifier system is characterized in that the adhesive layer (10) is formed by an adhesive that substantially changes its volume during transition from the liquid to the solid state. The invention further relates to a method for producing the laser amplifier system (1) according to the invention.
Abstract translation: 本发明涉及一种激光放大器系统(1),具有一个激光介质,包括固态盘(2)具有两个平坦的侧面(3,4),其特征在于,在所述第一平坦侧(3)的功能层(5),包括用于泵送辐射场(6)的反射器, 和用于激光辐射场(7)的反射器,布置和功能层(5),用于与冷却表面热和机械散热(8)的散热片(9)连接的,耦合至少部分地经由(散热片9之间 )和功能层(5)排列的粘合剂层(10)。 该激光放大器系统的特征在于,粘合剂层(10)由粘合剂形成,该粘合剂在从液体到固体状态的转变中经历体积的显着变化。 本发明还涉及用于制造根据本发明的激光放大器系统(1)的方法。
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公开(公告)号:WO2014029687A1
公开(公告)日:2014-02-27
申请号:PCT/EP2013/067085
申请日:2013-08-15
Applicant: TRUMPF LASER GMBH + CO. KG
Inventor: SCHAD, Sven-Silvius , KAISER, Elke Dolores
CPC classification number: H01S3/042 , H01S3/0405 , H01S3/0604 , H01S3/0621 , H01S3/094084
Abstract: Die Erfindung betrifft eine Festkörperlaseranordnung, umfassend: einen plattenförmigen Festkörper (2) mit einem laseraktiven Medium, eine Wärmesenke (3), eine zwischen einer Trägerfläche (3a) der Wärmesenke (3) und dem plattenförmigen Festkörper (2) angebrachte Klebstoffschicht (16), sowie eine reflektierende Beschichtung (4), die an einer der Klebstoffschicht (16) zugewandten Seite (2a) auf den plattenförmigen Festkörper (2) aufgebracht ist. Die Klebstoffschicht (16) ist durch einen strahlungsundurchlässigen Bereich (4a), der zwischen der der Klebstoffschicht (16) zugewandten Seite (2a) des plattenförmigen Festkörpers (2) und der Trägerfläche (3a) der Wärmesenke (3) gebildet ist, vollständig vor Strahlung (20) aus dem plattenförmigen Festkörper (2) abgeschirmt. Eine solche Festkörperlaseranordnung kann hohen thermischen Belastungen standhalten. Die Erfindung betrifft auch ein Verfahren zum Herstellen einer solchen Festkörperlaseranordnung.
Abstract translation: 本发明涉及一种固体激光装置,包括:(2),其具有激光活性介质的板状的固体本体,散热器(3),一个散热器(3)和板形固体本体的支撑面(3a)(2)之间附着到粘合层(16), 和反射涂层(4),在所述板状的固态主体(2)的粘接层(16)侧(2a)的一个面对被施加。 所述粘合剂层(16)由面向所述粘合剂层中的板状的固态主体(2)和所述散热器的所述支撑面(3a)的(16)侧(2a)的侧面之间形成的不透射线的区域(4a)中(3)完全从辐射形成 (20)从所述板状的固态主体(2)屏蔽。 这样的固体激光装置可承受高的热负荷。 本发明还涉及一种用于制造这样的固态激光器阵列的方法。
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公开(公告)号:WO2013079940A1
公开(公告)日:2013-06-06
申请号:PCT/GB2012/052942
申请日:2012-11-29
Applicant: THALES HOLDINGS UK LTD
Inventor: COOK, Trevor , LEE, Stephen , ALEXANDER, William
IPC: H01S3/06 , H01S3/0941 , H01S3/094 , H01S3/08
CPC classification number: H01S3/061 , H01S3/0612 , H01S3/0617 , H01S3/0625 , H01S3/08072 , H01S3/094057 , H01S3/094084 , H01S3/09415
Abstract: The invention relates to a laser system, the laser system comprising a radiation source and laser gain material, wherein the radiation source is configured to pump or provide radiation to the laser gain material at one or more ends of the gain material and/or along a long axis of the gain material; and wherein the gain material comprises at least one reflective surface.
Abstract translation: 本发明涉及一种激光系统,该激光系统包括一个辐射源和激光增益材料,其中该辐射源配置成在该增益材料的一个或多个端部处泵浦或提供辐射至激光增益材料,和/或沿着 增益材料的长轴; 并且其中所述增益材料包括至少一个反射表面。
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公开(公告)号:WO2012138524A1
公开(公告)日:2012-10-11
申请号:PCT/US2012/031011
申请日:2012-03-28
Applicant: COHERENT, INC. , HODGSON, Norman , HERTWIG, Michael , PANG, H., Yang
Inventor: HODGSON, Norman , HERTWIG, Michael , PANG, H., Yang
CPC classification number: H01S3/04 , H01S3/025 , H01S3/0405 , H01S3/0407 , H01S3/042 , H01S3/0604 , H01S3/0621 , H01S3/0623 , H01S3/0816 , H01S3/094038 , H01S3/094076 , H01S3/094084 , H01S3/11 , H01S3/16 , H01S3/1625 , H01S3/1636 , H01S3/235
Abstract: A laser includes a Ti : sapphire gain-medium (18) in the form of a thin-disk. The thin-disk gain-medium is optically pumped by pump - radiation pulses (12) having a wavelength in the green region of the electromagnetic spectrum. The pump - radiation pulses have a duration less than twice the excited- state lifetime of the gain-medium. Multipass pumping is realized with pump mirrors (40, 42) and the thin-disk (18) is mounted via a diamond heat spreader (28) on a water cooled copper heat sink (22,24). For thermal management, low doping and large pump spots are used.
Abstract translation: 激光器包括薄的形式的Ti:蓝宝石增益介质(18)。 薄磁盘增益介质通过在电磁频谱的绿色区域中具有波长的泵浦辐射脉冲(12)进行光泵浦。 泵 - 辐射脉冲的持续时间小于增益介质的激发态寿命的两倍。 多泵泵送由泵反射镜(40,42)实现,并且薄盘(18)通过金刚石散热器(28)安装在水冷铜散热器(22,24)上。 对于热管理,使用低掺杂和大泵点。
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公开(公告)号:WO2012061761A3
公开(公告)日:2012-06-28
申请号:PCT/US2011059419
申请日:2011-11-04
Applicant: L LIVERMORE NAT SECURITY LLC , BAYRAMIAN ANDREW JAMES , MANES KENNETH RENE , DERI ROBERT J , ERLANDSON ALVIN CHARLES , CAIRD JOHN ALLYN , SPAETH MARY LOUISE
Inventor: BAYRAMIAN ANDREW JAMES , MANES KENNETH RENE , DERI ROBERT J , ERLANDSON ALVIN CHARLES , CAIRD JOHN ALLYN , SPAETH MARY LOUISE
IPC: H01S3/00
CPC classification number: H01S3/094 , H01S3/005 , H01S3/0092 , H01S3/0404 , H01S3/042 , H01S3/0606 , H01S3/0612 , H01S3/07 , H01S3/094057 , H01S3/094084 , H01S3/0941 , H01S3/09415 , H01S3/1603 , H01S3/1608 , H01S3/1611 , H01S3/1616 , H01S3/1618 , H01S3/1643 , H01S3/165 , H01S3/17 , H01S3/2316 , H01S3/2341 , H01S5/4012 , H01S5/4025 , H01S2301/02
Abstract: An optical gain architecture includes a pump source and a pump aperture. The architecture also includes a gain region including a gain element operable to amplify light at a laser wavelength. The gain region is characterized by a first side intersecting an optical path, a second side opposing the first side, a third side adjacent the first and second sides, and a fourth side opposing the third side. The architecture further includes a dichroic section disposed between the pump aperture and the first side of the gain region. The dichroic section is characterized by low reflectance at a pump wavelength and high reflectance at the laser wavelength. The architecture additionally includes a first cladding section proximate to the third side of the gain region and a second cladding section proximate to the fourth side of the gain region.
Abstract translation: 光增益架构包括泵浦源和泵孔。 该架构还包括增益区域,该增益区域包括可用于放大激光波长的光的增益元件。 增益区域的特征在于与光路相交的第一侧,与第一侧相对的第二侧,与第一侧和第二侧相邻的第三侧和与第三侧相对的第四侧。 该结构还包括设置在泵孔径和增益区域的第一侧之间的二向色区段。 二色性部分的特征在于泵浦波长处的低反射率和在激光波长处的高反射率。 该结构另外包括靠近增益区域的第三侧的第一包层部分和靠近增益区域的第四侧的第二包层部分。
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公开(公告)号:WO2012061761A2
公开(公告)日:2012-05-10
申请号:PCT/US2011/059419
申请日:2011-11-04
Applicant: LAWRENCE LIVERMORE NATIONAL SECURITY, LLC , BAYRAMIAN, Andrew James , MANES, Kenneth Rene , DERI, Robert J. , ERLANDSON, Alvin Charles , CAIRD, John Allyn , SPAETH, Mary Louise
Inventor: BAYRAMIAN, Andrew James , MANES, Kenneth Rene , DERI, Robert J. , ERLANDSON, Alvin Charles , CAIRD, John Allyn , SPAETH, Mary Louise
IPC: H01S3/094
CPC classification number: H01S3/094 , H01S3/005 , H01S3/0092 , H01S3/0404 , H01S3/042 , H01S3/0606 , H01S3/0612 , H01S3/07 , H01S3/094057 , H01S3/094084 , H01S3/0941 , H01S3/09415 , H01S3/1603 , H01S3/1608 , H01S3/1611 , H01S3/1616 , H01S3/1618 , H01S3/1643 , H01S3/165 , H01S3/17 , H01S3/2316 , H01S3/2341 , H01S5/4012 , H01S5/4025 , H01S2301/02
Abstract: An optical gain architecture includes a pump source and a pump aperture. The architecture also includes a gain region including a gain element operable to amplify light at a laser wavelength. The gain region is characterized by a first side intersecting an optical path, a second side opposing the first side, a third side adjacent the first and second sides, and a fourth side opposing the third side. The architecture further includes a dichroic section disposed between the pump aperture and the first side of the gain region. The dichroic section is characterized by low reflectance at a pump wavelength and high reflectance at the laser wavelength. The architecture additionally includes a first cladding section proximate to the third side of the gain region and a second cladding section proximate to the fourth side of the gain region.
Abstract translation: 光学增益结构包括泵浦源和泵浦孔径。 该架构还包括增益区域,增益区域包括可操作来放大激光波长的光的增益元件。 增益区的特征在于与光路相交的第一侧,与第一侧相对的第二侧,与第一侧和第二侧相邻的第三侧以及与第三侧相对的第四侧。 该架构进一步包括设置在泵孔与增益区的第一侧之间的二向色部分。 二向色截面的特点是在泵浦波长下的低反射率和在激光波长下的高反射率。 该结构还包括靠近增益区的第三边的第一包层部分和靠近增益区的第四边的第二包层部。 p>
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