公开(公告)号：US20060023763A1

公开(公告)日：2006-02-02

申请号：US10902224

申请日：2004-07-28

Applicant: Jason Farmer ,  Mark DeVito ,  Zhe Huang ,  Paul Crump ,  Michael Grimshaw ,  Prabhuram Thiagarajan ,  Weimin Dong ,  Jun Wang

Inventor： Jason Farmer ,  Mark DeVito ,  Zhe Huang ,  Paul Crump ,  Michael Grimshaw ,  Prabhuram Thiagarajan ,  Weimin Dong ,  Jun Wang

IPC: H01S5/00

CPC classification number: B82Y20/00 ,  H01S5/3213 ,  H01S5/343

Abstract: A semiconductor laser and a method of forming the same are provided. The semiconductor laser includes cladding layers comprised of hybrid materials systems which have different conduction to valance band gap offset ratios with respect to GaAs. As a result of these hybrid structures, lower junction voltages on both the n-side and p-side of the laser structure are achieved, thereby increasing the electrical to optical conversion efficiency of the laser.

Abstract translation: 提供半导体激光器及其形成方法。 半导体激光器包括由相对于GaAs具有不同的传导与价带宽偏移比的混合材料系统组成的覆层。 作为这些混合结构的结果，实现了激光器结构的n侧和p侧的较低的结电压，从而增加了激光器的电转换效率。

公开(公告)号：US06907051B1

公开(公告)日：2005-06-14

申请号：US09945370

申请日：2001-08-31

Applicant: Jason N. Farmer

Inventor： Jason N. Farmer

IPC: H01S3/00 ,  H01S3/067 ,  H01S3/094 ,  H01S3/0941 ,  H01S3/13 ,  H01S3/30 ,  H01S5/00 ,  H01S5/0683 ,  H01S5/14 ,  H01S5/40

CPC classification number: H01S5/4062 ,  H01S3/06754 ,  H01S3/06766 ,  H01S3/0677 ,  H01S3/094096 ,  H01S3/0941 ,  H01S3/302 ,  H01S5/005 ,  H01S5/0683 ,  H01S5/141 ,  H01S5/143 ,  H01S5/146

Abstract: The present invention is directed to a system and method which provide a Raman pump which is spectrally tailored in response to feedback from control structure associated with the Raman pump source. In certain embodiments of the present inventions, an incoherently beam combined laser (IBC) is utilized to provide a spectrally tailored Raman pump. In these embodiments, emitters in an emitter array are either individually addressable or block addressable to facilitate adjustment of emitter output power. By adjustment of the output power, the Raman pump may be spectrally tailored. The spectral tailoring can occur by employing suitable control algorithms to algorithms to dynamically maintain reasonably flat Raman gain.

Abstract translation: 本发明涉及一种系统和方法，其提供拉曼泵，该拉曼泵响应于与拉曼泵浦源相关联的控制结构的反馈进行光谱定制。 在本发明的某些实施例中，使用非相干光束组合激光器（IBC）来提供光谱定制的拉曼泵。 在这些实施例中，发射器阵列中的发射器可单独寻址或可寻址以便于调节发射器输出功率。 通过调节输出功率，拉曼泵可以进行光谱定制。 频谱裁剪可以通过采用合适的控制算法进行算法来动态地维持相当平坦的拉曼增益。

公开(公告)号：US20160181762A1

公开(公告)日：2016-06-23

申请号：US14971753

申请日：2015-12-16

Applicant: nLIGHT Photonics Corporation

Inventor： David C. Dawson ,  Wolfram Urbanek ,  David Martin Hemenway

IPC: H01S5/06 ,  H01S5/40 ,  H01S5/022 ,  H01S5/024 ,  H01S3/067

CPC classification number: H01S5/02469 ,  G02B6/42 ,  H01S5/02292 ,  H01S5/02423 ,  H01S5/4012

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20160111851A1

公开(公告)日：2016-04-21

申请号：US14884642

申请日：2015-10-15

Applicant: nLIGHT Photonics Corporation

Inventor： Dahv A.V. Kliner ,  Timothy S. McComb

IPC: H01S3/30 ,  H01S3/067 ,  G02B6/02

CPC classification number: H01S3/302 ,  G02B6/02085 ,  G02B6/25 ,  H01S3/0078 ,  H01S3/06708 ,  H01S3/0675 ,  H01S3/06754 ,  H01S2301/02

Abstract: 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).

Abstract translation: 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。

公开(公告)号：US09290008B1

公开(公告)日：2016-03-22

申请号：US13236949

申请日：2011-09-20

Applicant: Xiaojun Li ,  Kirk Price ,  Jason Farmer ,  Ethan McGrath

Inventor： Xiaojun Li ,  Kirk Price ,  Jason Farmer ,  Ethan McGrath

IPC: B41J2/44 ,  B41M5/26 ,  C25D11/18

CPC classification number: B23K26/18 ,  B23K26/0622 ,  B23K26/082 ,  B23K26/356 ,  B23K26/359 ,  B41J2/442 ,  B41J2/471 ,  B41M5/262 ,  Y10T428/24802 ,  Y10T428/24917

Abstract: A laser marking method and system, and laser marked object are disclosed. The method includes directing a pulsed laser beam towards an object such that an interface between an oxidized layer and non-oxidized substrate is in a mark zone of the pulsed laser beam, and scanning the pulsed laser beam across the object in a predetermined pattern to create a mark having an L value of less than 40 and a surface roughness that is substantially unchanged compared to adjacent unmarked areas. The system includes a fiber laser generating amplified pulses that are directed towards a galvo-scanner and focusing optic, while the object includes an oxidized surface layer, an underlying non-oxidized substrate, and a mark having an L value of less than 40 with substantially unchanged roughness features.

Abstract translation: 公开了一种激光打标方法和系统以及激光标记对象。 该方法包括将脉冲激光束引向物体，使得氧化层和非氧化基底之间的界面处于脉冲激光束的标记区域，并以预定图案扫描脉冲激光束穿过物体以产生 具有小于40的L值的标记和与相邻的未标记区域相比基本上不变的表面粗糙度。 该系统包括光纤激光器，其产生朝向电流扫描器和聚焦光学元件的放大脉冲，同时物体包括氧化表面层，下面的未氧化基底和L值小于40的标记，基本上 粗糙度不变特性。

公开(公告)号：US09285541B2

公开(公告)日：2016-03-15

申请号：US13418255

申请日：2012-03-12

Applicant: Matthieu Saracco ,  Jason N. Farmer ,  Scott H. Keeney ,  Timothy S. McComb

Inventor： Matthieu Saracco ,  Jason N. Farmer ,  Scott H. Keeney ,  Timothy S. McComb

IPC: G02B6/14 ,  H01S3/00 ,  H01S3/067 ,  H01S3/08 ,  H01S3/0941 ,  H01S3/16

CPC classification number: G02B6/14 ,  H01S3/0092 ,  H01S3/06745 ,  H01S3/06754 ,  H01S3/08045 ,  H01S3/09415 ,  H01S3/1618 ,  H01S2301/03

Abstract: Nonlinear optical systems include fiber amplifiers using tapered waveguides such as optical fibers that permit multimode propagation but produce amplification and oscillation in a fundamental mode. The tapered waveguides generally are provided with an active dopant that is pumped with an optical pump source such as one or more semiconductor lasers. The active waveguide taper is selected to taper from a single or few mode section to a multimode section, and a seed beam in a fundamental mode is provided to a section of the waveguide taper associated with a smaller optical mode. An amplified beam exits the waveguide taper at a section associated with a larger optical mode. The amplified beam is directed to nonlinear conversion optics such as one or more nonlinear crystals to produce high peak power and high beam quality converted light using second or third harmonic generation, or other nonlinear processes.

Abstract translation: 非线性光学系统包括使用诸如允许多模传播但在基模中产生放大和振荡的光纤的锥形波导的光纤放大器。 锥形波导通常设置有用诸如一个或多个半导体激光器的光泵浦源泵浦的有源掺杂剂。 有源波导锥度被选择为从单个或几个模式部分到多模部分逐渐变细，并且将基本模式的种子束提供给与较小光学模式相关联的波导锥度的一部分。 放大的光束在与更大的光学模式相关联的部分处离开波导锥形。 放大的光束被引导到诸如一个或多个非线性晶体的非线性转换光学器件，以产生使用二次或三次谐波产生或其它非线性处理的高峰值功率和高光束质量转换光。

公开(公告)号：US20150376756A1

公开(公告)日：2015-12-31

申请号：US14768613

申请日：2014-02-21

Applicant: NLIGHT PHOTONICS CORPORATION

Inventor： Adam Dittli ,  Robert J. Martinsen

IPC: C22F1/14

CPC classification number: C22F1/14 ,  B82Y40/00

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20150255960A1

公开(公告)日：2015-09-10

申请号：US14641093

申请日：2015-03-06

Applicant: nLIGHT Photonics Corporation

Inventor： Manoj Kanskar

IPC: H01S5/40 ,  G02B27/30 ,  H01S5/024 ,  G02B5/09 ,  G02B6/42 ,  H01S5/022 ,  H01S5/00 ,  G02B5/10

CPC classification number: 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

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20150239063A1

公开(公告)日：2015-08-27

申请号：US14632813

申请日：2015-02-26

Applicant: nLIGHT Photonics Corporation

Inventor： Robert J. Martinsen

IPC: B23K26/073 ,  B23K26/06 ,  B23K26/08 ,  B23K26/00

CPC classification number: B23K26/0732 ,  B23K26/0006 ,  B23K26/0604 ,  B23K26/0608 ,  B23K26/082 ,  B23K26/361 ,  B23K26/362 ,  B23K26/40 ,  B23K26/50 ,  B23K2103/50 ,  B23K2103/56 ,  H01L33/0079

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US08995487B1

公开(公告)日：2015-03-31

申请号：US13764629

申请日：2013-02-11

Applicant: nLIGHT Photonics Corporation

Inventor： Kenneth V. Almonte

IPC: H01S3/02

CPC classification number: H01S5/0428 ,  H01S3/0941

Abstract: 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.

Abstract translation: 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。