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1. 发明授权

US10186836B2 Multiple flared laser oscillator waveguide 有权
公开(公告)号：US10186836B2
公开(公告)日：2019-01-22
申请号：US14879515
申请日：2015-10-09
申请人： nLIGHT Photonics Corporation
发明人： Manoj Kanskar
IPC分类号： H01S5/10 , H01S5/20 , H01S5/028 , H01S5/22 , H01S5/12
摘要： A broad area semiconductor diode laser device includes a multiple flared oscillator waveguide including a plurality of component flared oscillator waveguides, each component flared oscillator waveguide including a multimode high reflector facet, a partial reflector facet spaced apart from the high reflector facet, and a flared current injection region extending and widening between the multimode high reflector facet and the partial reflector facet, wherein the ratio of a partial reflector facet width to a high reflector facet width is n:1, where n>1, and wherein the component flared oscillator waveguides of the multiple flared oscillator waveguide are arranged in a row such that portions of the flared current injection regions of adjacently situated component flared oscillator waveguides overlap each other or are in proximity to each other on the order of the wavelength of light emitted by the component flared oscillator waveguides.

2. 发明授权

US10069271B2 Scalable high power fiber laser 有权
公开(公告)号：US10069271B2
公开(公告)日：2018-09-04
申请号：US14293941
申请日：2014-06-02
申请人： nLIGHT Photonics Corporation
发明人： Dahv A. V. Kliner
IPC分类号： H01S3/094 , H01S3/067 , H01S3/0941 , H01S5/40 , G01B9/02 , G02B6/43
摘要： A modular and scalable high-power fiber laser system is configurable to generate 1 kW or more of laser output, and includes one or more separable pump modules separately disposed from each other, each pump module including a plurality of fiber-coupled component pump sources optically combined by one or more fiber-based pump module pump combiners, each pump module providing one or more pump module fiber outputs, and a gain module separately disposed from the one or more separable pump modules and including one or more gain module pump fiber inputs optically coupled to corresponding ones of the pump module fiber outputs, and including a gain fiber optically coupled to the one or more gain module pump fiber inputs, the gain fiber configured to generate a gain module fiber output power scalable in relation to the number and power of said pump module fiber outputs coupled to the gain fiber.

3. 发明授权

US09610651B2 Square pulse laser lift off 有权
公开(公告)号：US09610651B2
公开(公告)日：2017-04-04
申请号：US14632813
申请日：2015-02-26
申请人： nLIGHT Photonics Corporation
发明人： Robert J. Martinsen
IPC分类号： B23K26/08 , B23K26/073 , B23K26/00 , B23K26/06 , B23K26/082 , B23K26/362 , B23K26/40 , H01L33/00 , B23K103/00
CPC分类号： B23K26/0732 , B23K26/0006 , B23K26/0604 , B23K26/0608 , B23K26/082 , B23K26/361 , B23K26/362 , B23K26/40 , B23K26/50 , B23K2103/50 , B23K2103/56 , H01L33/0079
摘要： A laser lift-off method includes generating a plurality of solid state laser pulses, converting the plurality of solid state laser pulses to an ultraviolet frequency, adjusting the transverse spatial intensity profile of the plurality of laser pulses across perpendicular transverse axes to be rectangular in shape with the shape along each transverse axis corresponds to a super-Gaussian of order eight or higher, and scanning the plurality of laser pulses across the target along a direction parallel to one of the transverse axes in order to produce laser lift-off on the target. Systems for laser lift-off are also disclosed.

4. 发明授权

US09397466B2 High power chirally coupled core optical amplification systems and methods 有权
标题翻译：大功率手风琴耦合核心光放大系统及方法
公开(公告)号：US09397466B2
公开(公告)日：2016-07-19
申请号：US14329484
申请日：2014-07-11
申请人： nLIGHT Photonics Corporation
发明人： Timothy S. McComb , Roger L. Farrow
IPC分类号： H01S3/067 , H01S3/094 , H01S3/10 , H01S3/109
CPC分类号： H01S3/06754 , H01S3/0092 , H01S3/06704 , H01S3/06712 , H01S3/06729 , H01S3/06758 , H01S3/094003 , H01S3/10015 , H01S3/1003 , H01S3/10053 , H01S3/10061 , H01S3/10084 , H01S3/109 , H01S2301/03
摘要： An optical amplification system is disclosed which includes a seed source providing a seed beam, and a chirally coupled core fiber amplifier optically coupled to the seed beam and configured to convert the coupled seed beam into an amplifier output beam, wherein the polarization of the seed beam is controllably launched into the chirally coupled core fiber in order to reduce nonlinearities in the amplifier output beam. Peak output powers in excess of 500 kW can be realized for short-pulsed single-mode beams having mode field diameters greater than 30 μm.
摘要翻译：公开了一种光放大系统，其包括提供种子光束的种子源，以及光学耦合到种子束并被配置为将耦合的种子光束转换成放大器输出光束的手性耦合的光纤放大器，其中种子光束可控制地发射到手镯耦合的芯光纤中，以便减小放大器输出光束中的非线性。对于模场直径大于30μm的短脉冲单模光束，可以实现超过500 kW的峰值输出功率。

5. 发明申请

US20160181762A1 OPTICAL LOSS MANAGEMENT IN HIGH POWER DIODE LASER PACKAGES 审中-公开
标题翻译：高功率二极管激光器封装中的光损失管理
公开(公告)号：US20160181762A1
公开(公告)日：2016-06-23
申请号：US14971753
申请日：2015-12-16
申请人： nLIGHT Photonics Corporation
发明人： David C. Dawson , Wolfram Urbanek , David Martin Hemenway
IPC分类号： H01S5/06 , H01S5/40 , H01S5/022 , H01S5/024 , H01S3/067
CPC分类号： H01S5/02469 , G02B6/42 , H01S5/02292 , H01S5/02423 , H01S5/4012
摘要： A high power diode laser module is provided with improved high temperature handling and reliability, the module including a housing made of a thermally conductive material and providing a module interior extending between a plurality of housing surfaces, at least one diode laser disposed in the module interior and situated to emit a laser beam, one or more optical components disposed in the module interior and coupled to the at least one diode laser so as to change one or more characteristics of the laser beam, a waveguide in optical communication with the module interior and situated to receive the laser beam from the one or more optical components, and an optical absorber disposed in the housing and situated to receive stray light which is associated with the laser beam and which is propagating in the module interior so as to absorb the stray light and conduct heat associated with the stray light away from the module interior and into the housing.
摘要翻译：高功率二极管激光器模块具有改进的高温处理和可靠性，该模块包括由导热材料制成的壳体并且提供在多个壳体表面之间延伸的模块内部，设置在模块内部的至少一个二极管激光器并且位于发射激光束，一个或多个光学部件，其设置在所述模块内部并且耦合到所述至少一个二极管激光器，以便改变所述激光束的一个或多个特性;与所述模块内部光学通信的波导;以及位于以接收来自所述一个或多个光学部件的激光束，以及设置在所述壳体中的光吸收器，其被设置为接收与所述激光束相关联并且在所述模块内部中传播以吸收所述杂散光的杂散光并且将与杂散光相关联的热量远离模块内部并进入壳体。

6. 发明申请

US20160111851A1 SLANTED FBG FOR SRS SUPPRESSION 有权
标题翻译：用于SRS抑制的SLANTED FBG
公开(公告)号：US20160111851A1
公开(公告)日：2016-04-21
申请号：US14884642
申请日：2015-10-15
申请人： nLIGHT Photonics Corporation
发明人： Dahv A.V. Kliner , Timothy S. McComb
IPC分类号： H01S3/30 , H01S3/067 , G02B6/02
CPC分类号： H01S3/302 , G02B6/02085 , G02B6/25 , H01S3/0078 , H01S3/06708 , H01S3/0675 , H01S3/06754 , H01S2301/02
摘要： An example apparatus includes an optical fiber including a core and cladding, the core being situated to propagate an optical beam along a propagation axis associated with the core, and at least one fiber Bragg grating (FBG) situated in the core of the optical fiber, the fiber Bragg grating including a plurality of periodically spaced grating portions situated with respect to the propagation axis so that light associated with Raman scattering is directed out of the core so as to reduce the generation of optical gain associated with stimulated Raman scattering (SRS).
摘要翻译：示例性装置包括包括芯和包层的光纤，所述芯位于沿着与芯相关联的传播轴传播光束，以及位于光纤的芯中的至少一个光纤布拉格光栅（FBG）光纤布拉格光栅包括相对于传播轴定位的多个周期性间隔开的光栅部分，使得与拉曼散射相关联的光被引导出核心，以便减少与受激拉曼散射（SRS）相关联的光增益的产生。

7. 发明申请

US20150376756A1 LASER PATTERNING OF MULTI-LAYER STRUCTURES 审中-公开
标题翻译：多层结构的激光图案
公开(公告)号：US20150376756A1
公开(公告)日：2015-12-31
申请号：US14768613
申请日：2014-02-21
申请人： NLIGHT PHOTONICS CORPORATION
发明人： Adam Dittli , Robert J. Martinsen
IPC分类号： C22F1/14
CPC分类号： C22F1/14 , B82Y40/00
摘要： A method of non-ablatively laser patterning a multi-layer structure, the multi-layer structure including a substrate, a first layer disposed on the substrate, a second layer disposed on the first layer, and a third layer disposed on the second layer, the method including generating at least one laser pulse having laser parameters selected for non-ablatively changing the conductivity a selected portion of the third layer such that the selected portion becomes non-conductive, and directing the pulse to the multi-layer structure, wherein the conductivity of the first layer is not substantially changed by the pulse.
摘要翻译：一种非消融激光图案化多层结构的方法，所述多层结构包括衬底，设置在衬底上的第一层，设置在第一层上的第二层和设置在第二层上的第三层，所述方法包括产生至少一个具有激光参数的激光脉冲，所述激光参数被选择用于非可变地改变第三层的选定部分的导电性，使得所选择的部分变得不导电，并且将脉冲引导到多层结构，其中第一层的电导率基本上不被脉冲改变。

8. 发明申请

US20150255960A1 HIGH BRIGHTNESS MULTIJUNCTION DIODE STACKING 有权
标题翻译：高亮度多功能二极管堆叠
公开(公告)号：US20150255960A1
公开(公告)日：2015-09-10
申请号：US14641093
申请日：2015-03-06
申请人： nLIGHT Photonics Corporation
发明人： Manoj Kanskar
IPC分类号： H01S5/40 , G02B27/30 , H01S5/024 , G02B5/09 , G02B6/42 , H01S5/022 , H01S5/00 , G02B5/10
CPC分类号： G02B5/09 , G02B5/10 , G02B6/4204 , G02B6/4296 , G02B27/0905 , G02B27/14 , G02B27/30 , H01S3/08059 , H01S5/02248 , H01S5/02284 , H01S5/3054 , H01S5/4031 , H01S5/4043 , H01S5/4062
摘要： An apparatus includes at least one multijunction diode laser situated to emit a plurality of beams along respective mutually parallel propagation axes, each beam having an associated mutually parallel slow axes and associated collinear fast axes, a fast axis collimator situated to receive and collimate the plurality of beams along the corresponding fast axes so as to produce corresponding fast axis collimated beams that propagate along associated non-parallel axes, and a reflector situated to receive the plurality of fast axis collimated beams and to reflect the beams so that the reflected fast axis collimated beams propagate along substantially parallel axes.
摘要翻译：一种装置包括至少一个多结二极管激光器，其被设置为沿着相应的相互平行的传播轴发射多个光束，每个光束具有相关联的相互平行的慢轴和相关联的快速轴线，快轴准直器被定位成接收和准直多个沿着相应的快轴进行光束，以便产生沿相关联的非平行轴传播的对应的快轴准直光束;以及反射器，其被设置为接收多个快轴准直光束并反射光束，使得反射的快轴准直光束沿着大致平行的轴传播。

9. 发明申请

US20150239063A1 SQUARE PULSE LASER LIFT OFF 有权
标题翻译：方形脉冲激光提升关闭
公开(公告)号：US20150239063A1
公开(公告)日：2015-08-27
申请号：US14632813
申请日：2015-02-26
申请人： nLIGHT Photonics Corporation
发明人： Robert J. Martinsen
IPC分类号： B23K26/073 , B23K26/06 , B23K26/08 , B23K26/00
CPC分类号： B23K26/0732 , B23K26/0006 , B23K26/0604 , B23K26/0608 , B23K26/082 , B23K26/361 , B23K26/362 , B23K26/40 , B23K26/50 , B23K2103/50 , B23K2103/56 , H01L33/0079
摘要： A laser lift-off method includes generating a plurality of solid state laser pulses, converting the plurality of solid state laser pulses to an ultraviolet frequency, adjusting the transverse spatial intensity profile of the plurality of laser pulses across perpendicular transverse axes to be rectangular in shape with the shape along each transverse axis corresponds to a super-Gaussian of order eight or higher, and scanning the plurality of laser pulses across the target along a direction parallel to one of the transverse axes in order to produce laser lift-off on the target. Systems for laser lift-off are also disclosed.
摘要翻译：激光剥离方法包括产生多个固态激光脉冲，将多个固态激光脉冲转换为紫外线频率，将多个激光脉冲的横向空间强度分布跨越垂直横轴调整为矩形形状沿着每个横轴的形状对应于八阶以上的超高斯，并且沿着平行于一个横轴的方向扫描目标上的多个激光脉冲，以便在目标上产生激光剥离。还公开了用于激光剥离的系统。

10. 发明授权

US08995487B1 Laser driver subsystem 有权
标题翻译：激光驱动子系统
公开(公告)号：US08995487B1
公开(公告)日：2015-03-31
申请号：US13764629
申请日：2013-02-11
申请人： nLIGHT Photonics Corporation
发明人： Kenneth V. Almonte
IPC分类号： H01S3/02
CPC分类号： H01S5/0428 , H01S3/0941
摘要： A laser driver subsystem includes a pump diode driver, operable to generate light pulses to energize a laser, and a lithium polymer battery. The pump diode driver includes a pump diode and a switched-mode power conversion circuit at an input connected to an output of the battery and at an output connected to an anode of the pump diode. The switched-mode power conversion circuit is configured to convert an electrical voltage from a first level at the output of the battery to a second lower voltage level at the pump diode anode so as to provide the pump diode with an electrical current that enables the pump diode to generate the light pulses to operate the laser while only a fraction of that current needs to be supplied by the battery.
摘要翻译：激光驱动器子系统包括泵浦二极管驱动器，其可操作以产生激发激光的光脉冲和锂聚合物电池。泵浦二极管驱动器在连接到电池的输出的输入端和连接到泵浦二极管的阳极的输出端处包括泵浦二极管和开关模式功率转换电路。开关模式功率转换电路被配置为将电压从电池的输出处的第一电平转换到泵二极管阳极处的第二较低电压电平，以便向泵浦二极管提供能够使泵二极管以产生光脉冲来操作激光器，而仅一部分电流需要由电池供应。

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