公开(公告)号：US20180254601A1

公开(公告)日：2018-09-06

申请号：US15972259

申请日：2018-05-07

申请人： Candela Corporation

发明人： Jayant D. Bhawalkar ,  Xiaoming Shang

IPC分类号： H01S3/16 ,  H01S3/23 ,  H01S3/06 ,  H01S3/067 ,  H01S3/08 ,  H01S3/092 ,  H01S3/094 ,  H01S3/131 ,  H01S3/11 ,  H01S3/109 ,  H01S3/113 ,  H01S3/10 ,  H01S3/00

CPC分类号： H01S3/1633 ,  H01S3/005 ,  H01S3/0071 ,  H01S3/0092 ,  H01S3/061 ,  H01S3/0612 ,  H01S3/0617 ,  H01S3/0625 ,  H01S3/0627 ,  H01S3/06754 ,  H01S3/08081 ,  H01S3/092 ,  H01S3/094053 ,  H01S3/094061 ,  H01S3/094069 ,  H01S3/094076 ,  H01S3/10023 ,  H01S3/109 ,  H01S3/1115 ,  H01S3/113 ,  H01S3/1301 ,  H01S3/1312 ,  H01S3/1611 ,  H01S3/1643 ,  H01S3/2308 ,  H01S2301/02

摘要： A MOPA laser system that includes a seed laser configured to output pulsed laser light, an amplifier configured to receive and amplify the pulsed laser light emitted by the seed laser; and a pump laser configured to deliver a pump laser beam to both the seed laser and the amplifier and a variable attenuator configured to eliminate missing Q-switched pulses.

公开(公告)号：US20180145473A1

公开(公告)日：2018-05-24

申请号：US15574190

申请日：2016-06-08

申请人： MITSUBISHI HEAVY INDUSTRIES, LTD.

发明人： Yoshiyuki KONDO ,  Yuichi OTANI ,  Yoshiteru KOMURO ,  Atsushi KODAMA ,  Koichi HAMAMOTO ,  Hiroyuki DAIGO ,  Naoki INOUE ,  Tomoya MORIOKA ,  Masahiro KATO ,  Shingo NISHIKATA

IPC分类号： H01S3/042 ,  H01S3/04

CPC分类号： H01S3/042 ,  H01S3/005 ,  H01S3/025 ,  H01S3/0405 ,  H01S3/0407 ,  H01S3/0604 ,  H01S3/0606 ,  H01S3/0612 ,  H01S3/0621 ,  H01S3/1611 ,  H01S3/1643 ,  H01S3/1685 ,  H01S3/2316

摘要： This solid laser amplification device has: a laser medium part that has a solid medium, into which a laser light enters from an entrance part and from which the laser light (L) is emitted to the outside from an exit part, and an amplification layer, which is provided on the surface of the medium, receives the laser light in the medium, and amplifies and reflects said light toward the exit part; a microchannel cooling part that cools the amplification layer; and a thermally conductive part that is provided so as to make contact between the amplification layer and the cooling part and transfers the heat of the amplification layer to the cooling part.

公开(公告)号：US20180123309A1

公开(公告)日：2018-05-03

申请号：US15790900

申请日：2017-10-23

申请人： INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION NATIONAL INSTITUTES OF NATURAL SCIENCES

发明人： Takunori TAIRA ,  Arvydas KAUSAS ,  Lihe ZHENG

IPC分类号： H01S3/042 ,  H01S3/04 ,  H01S3/16 ,  B29C65/16 ,  B29C65/00

CPC分类号： H01S3/042 ,  B29C65/16 ,  B29C66/00145 ,  B29C66/028 ,  B29C66/73772 ,  G02F1/3525 ,  G02F2001/3505 ,  G02F2201/50 ,  H01S3/0405 ,  H01S3/0612 ,  H01S3/0627 ,  H01S3/07 ,  H01S3/108 ,  H01S3/113 ,  H01S3/1643 ,  H01S3/17 ,  H01S5/0216 ,  H01S5/02484

摘要： A laser component is provided, including a laser medium and a transparent heat transmitting member, at least one of which is oxide. Bonding surfaces of the laser medium and the transparent heat transmitting member are exposed to oxygen plasma, and thereafter the bonding surfaces are brought into contact without heating. The laser medium and the transparent heat transmitting member are bonded at atomic levels, their thermal resistance is low, and no large residual stress is generated due to the bonding taking place under normal temperature. The process of oxygen plasma exposure ensures transparency of their bonding interface. The laser medium and the transparent heat transmitting member are stably bond via an amorphous layer.

公开(公告)号：US09831629B2

公开(公告)日：2017-11-28

申请号：US15382852

申请日：2016-12-19

申请人： The United States of America as represented by the Administrator of the National Aeronautics and Space Administration

发明人： George E. Busch ,  Farzin Amzajerdian ,  Diego F. Pierrottet

IPC分类号： H01S3/30 ,  H01S3/067 ,  H01S3/0941 ,  H01S3/094 ,  H01S3/16

CPC分类号： H01S3/06708 ,  H01S3/061 ,  H01S3/0612 ,  H01S3/0617 ,  H01S3/06733 ,  H01S3/06754 ,  H01S3/094003 ,  H01S3/094049 ,  H01S3/0941 ,  H01S3/09415 ,  H01S3/1603 ,  H01S3/1608 ,  H01S3/161 ,  H01S3/1611 ,  H01S3/2308 ,  H01S3/2316

摘要： A hybrid fiber rod includes a fiber core and inner and outer cladding layers. The core is doped with an active element. The inner cladding layer surrounds the core, and has a refractive index substantially equal to that of the core. The outer cladding layer surrounds the inner cladding layer, and has a refractive index less than that of the core and inner cladding layer. The core length is about 30 to 2000 times the core diameter. A hybrid fiber rod laser system includes an oscillator laser, modulating device, the rod, and pump laser diode(s) energizing the rod from opposite ends. The rod acts as a waveguide for pump radiation but allows for free-space propagation of laser radiation. The rod may be used in a laser resonator. The core length is less than about twice the Rayleigh range. Degradation from single-mode to multi-mode beam propagation is thus avoided.

公开(公告)号：US09590387B2

公开(公告)日：2017-03-07

申请号：US14330945

申请日：2014-07-14

申请人： neoLASE GmbH

发明人： Maik Frede

IPC分类号： H01S3/23 ,  H01S3/16 ,  H01S3/06 ,  H01S3/08 ,  H01S3/094

CPC分类号： H01S3/2316 ,  H01S3/0612 ,  H01S3/08072 ,  H01S3/094038 ,  H01S3/1611 ,  H01S3/1618 ,  H01S3/1643 ,  H01S3/1671 ,  H01S3/1673 ,  H01S2301/04

摘要： Non-regenerative optical amplifier has a first optical amplifying medium and at least one second optical amplifying medium. The non-regenerative optical amplifier may be an ultrashort pulse amplifier. The material properties of the first amplifying medium differ at least partially from the material properties of the second amplifying medium. The emission spectra of the amplifying media overlap partially, and the amplifying media are solid-state bulk crystals.

摘要翻译： 非再生式光放大器具有第一光放大介质和至少一第二光放大介质。 非再生光放大器可以是超短脉冲放大器。 第一扩增介质的材料性质至少部分地与第二放大介质的材料性质不同。 放大介质的发射光谱部分重叠，扩散介质为固态块状晶体。

公开(公告)号：US09506166B1

公开(公告)日：2016-11-29

申请号：US14332672

申请日：2014-07-16

申请人： Clemson University

发明人： Joseph W. Kolis ,  Colin D. McMillen ,  J. Matthew Mann

IPC分类号： C30B29/28 ,  C30B13/02 ,  C01F17/00

CPC分类号： C30B13/02 ,  C01F17/0025 ,  C30B7/10 ,  C30B29/28 ,  H01S3/0612 ,  H01S3/113 ,  H01S3/1611 ,  H01S3/1643

摘要： Disclosed are heterogeneous crystals for use in a laser cavity and methods of forming the crystals. A crystal can be a monolithic crystal containing a garnet-based activator region and a garnet-based Q-switch. Disclosed methods include hydrothermal growth techniques for the growth of differing epitaxial layers on a host. A YAG host material can be doped in one region with a suitable activator ion for lasing and can be formed with another region that is doped with a saturable absorber to form the Q-switch. Regions can be formed with controlled thickness in conjunction. Following formation, a heterogeneous crystal can be cut, polished and coated with mirror films at each end for use in a laser cavity to provide short pulses of high power emissions using high frequency pulse modes.

摘要翻译： 公开了用于激光腔的异质晶体和形成晶体的方法。 晶体可以是包含基于石榴石的激活剂区域和基于石榴石的Q开关的单片晶体。 公开的方法包括用于在主机上生长不同外延层的水热生长技术。 YAG主体材料可以在一个区域中掺杂适当的活化剂离子用于激光，并且可以用掺杂有可饱和吸收剂的另一区域形成以形成Q开关。 区域可以形成为具有受控厚度的结合。 形成后，可以在每个端部切割，抛光和涂覆镜面膜以用于激光腔，以使用高频脉冲模式提供高功率发射的短脉冲。

公开(公告)号：US20160285225A1

公开(公告)日：2016-09-29

申请号：US15034130

申请日：2013-11-22

申请人： HAN'S LASER TECHNOLOGY INDUSTRY GROUP CO., LTD. ,  HAN'S CNC TECHNOLOGY CO., LTD.

发明人： Lei Xiao ,  Chengwan Gong ,  Jiantao Zhao ,  Jinbin Yang ,  Yanhua Ning ,  Yunfeng Gao

IPC分类号： H01S3/06 ,  H01S3/16 ,  H01S3/042 ,  H01S3/08 ,  H01S3/081 ,  G02B5/00 ,  G02B5/30

CPC分类号： H01S3/0604 ,  G02B5/001 ,  G02B5/3066 ,  H01S3/025 ,  H01S3/042 ,  H01S3/0612 ,  H01S3/0615 ,  H01S3/0804 ,  H01S3/08054 ,  H01S3/08059 ,  H01S3/081 ,  H01S3/0813 ,  H01S3/0933 ,  H01S3/094084 ,  H01S3/1618 ,  H01S3/1643 ,  H01S2301/14 ,  H01S2301/20

摘要： A radial polarization disk laser, including a pumping source, a collimator lens, a focusing lens, a laser gain medium, a Brewster axial cone, and a output lens, which are sequentially arranged along a laser light path. An angle formed between the conical surface and the bottom surface of said Brewster axial cone is a Brewster's angle. Said laser gain medium is bonded with said bottom surface; said laser gain medium and said output lens form a laser harmonic oscillator cavity therebetween. The pumped laser light emitted by said pumping source passes through said collimator lens and said focusing lens, then is focused on the laser gain medium, and. the generated photons oscillate in said laser harmonic oscillator cavity, and then a radial polarized laser beam is finally output by said output lens.

摘要翻译： 一种径向偏振光盘激光器，包括沿着激光光路顺序布置的泵浦源，准直透镜，聚焦透镜，激光增益介质，布鲁斯特轴向锥体和输出透镜。 在布鲁斯特轴向锥体的锥形表面和底面之间形成的角度是布鲁斯特角。 所述激光增益介质与所述底表面结合; 所述激光增益介质和所述输出透镜在其间形成激光谐波振荡器腔。 由所述泵浦源发射的泵浦激光穿过所述准直透镜和所述聚焦透镜，然后聚焦在激光增益介质上。 所生成的光子在所述激光谐波振荡器腔中振荡，然后由所述输出透镜最终输出径向偏振激光束。

公开(公告)号：US20160268767A1

公开(公告)日：2016-09-15

申请号：US15030538

申请日：2014-08-25

申请人： ROBERT BOSCH GMBH

发明人： Heiko Ridderbusch

IPC分类号： H01S3/16 ,  F02P23/04 ,  H01S3/04 ,  H01S3/06 ,  H01S3/094 ,  H01S3/11

CPC分类号： 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

摘要： A laser ignition system, in particular for an internal combustion engine, including a vertical emitter and a laser-active crystal, the laser-active crystal being doped in at least some areas using ytterbium, the ytterbium-doped area having a length of 200 μm to 7000 μm. The monolithic laser is based on a YAG or LuAG host crystal having 3 differently doped areas: a laser-active ytterbium-doped area, an undoped area which determines the resonator length and therefore the pulse duration, and a chromium-doped or vanadium-doped area for the passive Q-switch. The resonator is delimited by 2 mirrors.

摘要翻译： 一种激光点火系统，特别是用于包括垂直发射器和激光 - 活性晶体的内燃机的激光点火系统，使用镱在至少一些区域掺杂激光活性晶体，掺杂镱的区域具有200μm的长度 至7000μm。 单片激光器基于具有3个不同掺杂区域的YAG或LuAG主机晶体：激光有源镱掺杂区域，确定谐振器长度并因此确定脉冲持续时间的未掺杂区域，以及掺杂铬或钒的掺杂 无源Q开关区域。 谐振器由2个镜子界定。

公开(公告)号：US09397469B1

公开(公告)日：2016-07-19

申请号：US14679884

申请日：2015-04-06

申请人： Voxtel, Inc.

发明人： Anmol Nijjar ,  Joe LaChapelle ,  George Williams

IPC分类号： H01S3/11 ,  H01S3/16 ,  H01L31/107 ,  H01S3/042 ,  H01S3/13 ,  H01S3/131 ,  H01S3/113 ,  H01S3/115 ,  H01S3/117 ,  H01S3/02 ,  H01S3/04 ,  H01S3/094 ,  H01S1/02

CPC分类号： H01S3/094038 ,  H01S1/02 ,  H01S3/025 ,  H01S3/0401 ,  H01S3/0405 ,  H01S3/042 ,  H01S3/0604 ,  H01S3/0612 ,  H01S3/094053 ,  H01S3/094076 ,  H01S3/09415 ,  H01S3/1115 ,  H01S3/1118 ,  H01S3/1124 ,  H01S3/113 ,  H01S3/115 ,  H01S3/117 ,  H01S3/1312 ,  H01S3/1317 ,  H01S3/1608 ,  H01S3/1618 ,  H01S3/1666

摘要： A method of operating a q-switch Er,Yb:YAB laser includes providing a pump bias current to a pump source, the pump source output directed to an Er,Yb:YAB gain medium where the Er,Yb:YAB gain medium is in a resonator cavity. The bias current at or below a lasing threshold of the Er,Yb:YAB gain medium. Providing a pump pulse to the gain medium, the pump pulse over the lasing threshold of the Er,Yb:YAB gain medium, the pump pulse causing the Er,Yb:YAB gain medium to emit a laser pulse. Reducing the pump bias current, wherein the pump current reduction brings the pump bias current to at least below the gain medium lasing threshold, the combination of the pump bias, the pump pulse, and the pump reduction having a current profile.

摘要翻译： 操作q开关Er，Yb：YAB激光器的方法包括向泵浦源提供泵偏置电流，泵浦源输出被引导到Er，Yb：YAB增益介质，其中Er，Yb：YAB增益介质处于 谐振腔。 在Er，Yb：YAB增益介质的激光阈值以下的偏置电流。 向增益介质提供泵浦脉冲，泵浦脉冲超过Er，Yb：YAB增益介质的激光阈值，泵浦脉冲使Er，Yb：YAB增益介质发射激光脉冲。 降低泵偏置电流，其中泵浦电流降低使泵偏置电流至少低于增益介质激光阈值，泵偏压，泵浦脉冲和具有电流分布的泵减小的组合。

公开(公告)号：US20160094006A1

公开(公告)日：2016-03-31

申请号：US14863803

申请日：2015-09-24

申请人： Kentaroh HAGITA ,  Tsuyoshi SUZUDO ,  Yasuhiro HIGASHI ,  Naoto JIKUTANI ,  Masayuki NUMATA ,  Kazuma IZUMIYA

发明人： Kentaroh HAGITA ,  Tsuyoshi SUZUDO ,  Yasuhiro HIGASHI ,  Naoto JIKUTANI ,  Masayuki NUMATA ,  Kazuma IZUMIYA

IPC分类号： H01S3/106 ,  H01S3/11 ,  F02P23/04 ,  H01S3/094 ,  G02B27/40 ,  H01S3/16 ,  H01S5/183

CPC分类号： H01S3/106 ,  F02P23/04 ,  G02B27/40 ,  H01S3/005 ,  H01S3/025 ,  H01S3/0612 ,  H01S3/0627 ,  H01S3/094053 ,  H01S3/09415 ,  H01S3/1022 ,  H01S3/11 ,  H01S3/113 ,  H01S3/1611 ,  H01S3/1643 ,  H01S5/183 ,  H01S5/423

摘要： A laser device is provided including a light source configured to emit light, a light transmission member configured to transmit the light emitted from the light source, a plurality of optical elements disposed in an optical path of the light transmitted by the light transmission member, a laser resonator which the light passed through the plurality of optical elements enter, and an adjuster configured to adjust a position of at least one of the plurality of optical elements.

摘要翻译： 提供一种激光装置，包括配置为发光的光源，被配置为透射从光源发射的光的光传输部件，设置在由光传输部件透射的光的光路中的多个光学元件， 通过多个光学元件的光进入的激光谐振器和被配置为调节多个光学元件中的至少一个的位置的调节器。