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公开(公告)号：US20130044769A1
公开(公告)日：2013-02-21
申请号：US13212434
申请日：2011-08-18
Applicant: John E. Nettleton , Dallas N. Barr
Inventor： John E. Nettleton , Dallas N. Barr
IPC: H01S3/11
CPC classification number: H01S3/025 , H01S3/109 , H01S3/113 , H01S3/121 , H01S3/1611 , H01S3/1643
Abstract: A monoblock laser cavity incorporates optical components required for a short-pulse laser. These optical components are ‘locked’ into alignment forming an optical laser cavity for flash lamp or diode laser pumping. Optical alignment is not necessary after the optical laser cavity is fabricated. An exemplary Q-switched monoblock laser replaces the Cr:YAG Q-switch functionality with a MEMS scanner.
Abstract translation: 单块激光腔包含短脉冲激光器所需的光学元件。 这些光学部件被锁定成对准，形成用于闪光灯或二极管激光泵浦的光学激光腔。 在制造光学激光腔之后，不需要光学对准。 示例性的Q开关单块激光器用MEMS扫描器代替Cr：YAG Q开关功能。
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公开(公告)号：US20110188522A1
公开(公告)日：2011-08-04
申请号：US12696096
申请日：2010-01-29
Applicant: Lew Goldberg , Brian J. Cole , John E. Nettleton , Dallas N. Barr
Inventor： Lew Goldberg , Brian J. Cole , John E. Nettleton , Dallas N. Barr
CPC classification number: H01S3/11 , H01S3/1061 , H01S3/113
Abstract: A method and device for reducing the timing jitter in a passive Q-switched Nd:YAG solid state laser by spatially selective bleaching a thin sheet of a saturable absorber of Cr+4:YAG from a direction orthogonal to the direction of laser emission where the Cr+4:YAG transmission increases 18% when the bleaching probe beam is a single laser diode bar. For steady state operation of a passive Q-switched laser, the pulse-to-pulse timing jitter showed a −12× reduction in standard deviation from 241 nsec for free running operation to 20 nsec with optical triggering.
Abstract translation: 一种用于通过空间选择性地从与激光发射方向垂直的方向漂白Cr + 4：YAG的可饱和吸收体的薄片来减少无源Q开关Nd：YAG固体激光器中的定时抖动的方法和装置，其中 当漂白探针光束是单个激光二极管条时，Cr + 4：YAG传输增加18％。 对于无源Q开关激光器的稳态操作，脉冲到脉冲定时抖动在自由运行操作时从241ns的标准偏差减小到±20°，光触发时间为20ns。
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公开(公告)号：US07751462B2
公开(公告)日：2010-07-06
申请号：US11686329
申请日：2007-03-14
Applicant: John E. Nettleton , Bradley W. Schilling
Inventor： John E. Nettleton , Bradley W. Schilling
IPC: H01S3/08
CPC classification number: H01S3/0606 , H01S3/0612 , H01S3/0621 , H01S3/0623 , H01S3/0941 , H01S3/09415 , H01S3/11 , H01S3/1611 , H01S3/1643
Abstract: A YAG/Nd:YAG block where an Nd:YAG block ends in a peak integrated inside a YAG block. The YAG block has reflective surfaces positioned at 45° to one another. The angled reflective surfaces serve as a “mirror” within the laser cavity to effectively increase the length of the cavity by a factor greater than 2. Fused to the output end of the laser cavity are a polarizer, an active/passive Q-switch, a one quarter waveplate and an output coupler. In operation, the laser cavity is pumped either from the side or the end of the cavity. The optical components of the present invention are bonded to form one optical ‘block’. All the components are prealigned during the crystal manufacturing process to form the optical laser cavity. The width of the cavity should be selected such that nearly all of the laser diode pump output is absorbed by the cavity.
Abstract translation: YAG / Nd：YAG块，其中Nd：YAG块以集成在YAG块内的峰结束。 YAG块具有彼此成45°的反射表面。 角度反射表面用作激光腔内的“反射镜”，以有效地将腔的长度增加大于2的因子。与激光腔的输出端相连的是偏振器，主动/被动Q开关， 四分之一波片和输出耦合器。 在操作中，激光腔也可以从空腔的侧面或端部泵送。 结合本发明的光学部件形成一个光学“块”。 在晶体制造过程中，所有的部件都预先对准以形成光学激光腔。 应该选择腔的宽度，使得几乎所有的激光二极管泵输出都被空腔吸收。
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公开(公告)号：US20080225923A1
公开(公告)日：2008-09-18
申请号：US11686336
申请日：2007-03-14
Applicant: John E. Nettleton , Dallas N. Barr
Inventor： John E. Nettleton , Dallas N. Barr
CPC classification number: H01S3/113 , H01S3/025 , H01S3/0615 , H01S3/0621 , H01S3/08059 , H01S3/1083 , Y10T29/49002
Abstract: A monoblock laser cavity includes a plurality of discrete optical components disposed serially on a substrate and sharing a common optical axis. The optical components include a laser rod of gain material, a Q-switch, an OPO crystal, and an output coupler. The output coupler has at least one convex end face to improve the beam quality.
Abstract translation: 单块激光器腔包括串联地布置在衬底上并共享公共光轴的多个分立的光学部件。 光学部件包括增益材料的激光棒，Q开关，OPO晶体和输出耦合器。 输出耦合器具有至少一个凸端面以改善光束质量。
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公开(公告)号：US07133123B1
公开(公告)日：2006-11-07
申请号：US10833634
申请日：2004-04-27
Applicant: Jonathan S. Lei , Bradley W. Schilling , Dallas N. Barr , John E. Nettleton , Michael M. Quarles
Inventor： Jonathan S. Lei , Bradley W. Schilling , Dallas N. Barr , John E. Nettleton , Michael M. Quarles
IPC: G01C3/08
CPC classification number: G01C3/08
Abstract: The laser obstacle avoidance device of the present invention includes an optical head which includes a laser source which produces a laser signal, crossed cylindrical lenses and through which the laser signal is transmitted, a transceiver including a receiving lens through which a reflected laser signal is received by the transceiver, a receiver and a line filter through which the reflected laser signal is filtered, and scanners which receive the reflected laser signal; and control electronics optically connected to the optical head, wherein the control electronics comprise scanner driver electronics, range processor electronics, power converters, and a display all which produce an x-y display of the terrain scanned by the laser signal wherein the X-axis is driven by a scanner position output and the Y-axis by range data. The system was designed to avoid hazards with emphasis simplicity and low cost. The device has been employed in the field to collect data from natural and man-made objects. A simple, single scan line, range discontinuity detection program has been written and tested. The next step in the process is to interface the output of the processor with driver's display indicating the location of the potential hazard for the operator's closer scrutiny.
Abstract translation: 本发明的激光障碍物回避装置包括：光头，其包括产生激光信号的激光源，交叉的柱面透镜，激光信号被透射通过的光头，包括接收透镜的收发器，通过该接收透镜接收反射的激光信号 通过收发器，经过滤波的反射激光信号的接收器和线路滤波器以及接收反射的激光信号的扫描仪; 以及控制电子器件，其光学连接到光学头，其中控制电子器件包括扫描器驱动器电子器件，范围处理器电子器件，功率转换器和显示器，其全部产生由激光信号扫描的地形的xy显示，其中X轴被驱动 通过扫描仪位置输出和Y轴按范围数据。 该系统旨在避免危害，重点是简单性和低成本。 该设备已被用于现场从天然和人造物体收集数据。 一个简单的单扫描线，范围不连续检测程序已经被编写和测试。 该过程的下一步是将处理器的输出与驱动程序显示器相连接，指示潜在危险的位置，以便操作人员仔细检查。
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Patent Agency Ranking
公开(公告)号：US06744801B2
公开(公告)日：2004-06-01
申请号：US10107183
申请日：2002-03-28
Applicant: John E. Nettleton , Bradley W. Schilling , Dallas N. Barr
Inventor： John E. Nettleton , Bradley W. Schilling , Dallas N. Barr
IPC: H01S311
CPC classification number: H01S3/1083 , H01S3/025 , H01S3/0606 , H01S3/061 , H01S3/0615 , H01S3/0621 , H01S3/082 , H01S3/113 , H01S3/1643
Abstract: A one piece laser assembly including a rod of gain medium with one end-face bonded to a broad end-face on a stack of optical wafers that process light differently and mirrors plated on the remaining exposed end-faces of the rod and the stack of wafers.
Abstract translation: 一个单件激光组件，其包括一个增益介质棒，一个端面与一个光学晶片堆叠的宽端面结合，该光栅不同地处理光，并且反射镀在剩余的暴露的杆的端面和 晶圆
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公开(公告)号：US5500729A
公开(公告)日：1996-03-19
申请号：US307214
申请日：1994-09-16
Applicant: Brian C. Redman , Dallas N. Barr , John E. Nettleton
Inventor： Brian C. Redman , Dallas N. Barr , John E. Nettleton
CPC classification number: G01S7/499 , G01S7/4814 , G01S7/4911
Abstract: The heterodyne detection efficiency of coherent laser radars is maximized coaxially aligning the local oscillator (LO) beam and the received laser beam when combined at the detector by preventing interference between the counterpropagating waves in the lasing rod within the lasing cavity by using optic polarization, magneto-optic polarization, and cavity end partial reflectors.
Abstract translation: 通过在检测器处组合时，通过使用光学偏振来防止激光腔内的激光棒中的反向传播波之间的干扰，将本地振荡器（LO）光束和所接收的激光束同轴对准，使相干激光雷达的外差检测效率最大化， 磁光偏振和腔体部分反射器。
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8.发明授权Gated image intensifiers for active imaging of reflectors by day or night 失效门控图像增强器，用于白天或夜晚的反射器的主动成像
公开(公告)号：US5408099A
公开(公告)日：1995-04-18
申请号：US128496
申请日：1993-09-07
Applicant: Dallas N. Barr , John E. Nettleton , Brian C. Redman , Clifton S. Fox
Inventor： Dallas N. Barr , John E. Nettleton , Brian C. Redman , Clifton S. Fox
Abstract: Lightweight low power IR locater for reflection enhanced targets with .apeq.20 microsecond pulsed IR diode laser and 26 40 microsecond synchronized range-gated image.
Abstract translation: 轻量级低功率红外定位器，用APPROX 20微秒脉冲红外二极管激光器和26 40微秒同步范围门控图像进行反射增强目标。
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公开(公告)号：US20110286476A1
公开(公告)日：2011-11-24
申请号：US12782994
申请日：2010-05-19
Applicant: John E. Nettleton , Dallas N. Barr
Inventor： John E. Nettleton , Dallas N. Barr
CPC classification number: H01S3/0627 , H01S3/0606 , H01S3/0625 , H01S3/094057 , H01S3/09408 , H01S3/09415 , H01S3/11 , H01S3/1611 , H01S3/1653 , H01S2301/02
Abstract: A laser gain medium crystal comprising a square rod of laser gain medium material having top and bottom surfaces that are finely ground to introduce scattering surfaces to cancel parasitic lasing. The square rod of laser gain material has input and output faces and side surfaces, and portions of the side surfaces near the output face of the square rod are finely ground to introduce scattering surfaces to cancel parasitic lasing. The rest of the side surfaces of the square rod are polished.
Abstract translation: 一种激光增益介质晶体，包括具有顶表面和底表面的方棒激光增益介质材料，其具有精细研磨以引入散射表面以抵消寄生激光。 激光增益材料的方棒具有输入和输出面和侧表面，并且方棒的输出面附近的侧表面的一部分被精细地研磨以引入散射表面以抵消寄生激光。 方棒的其余侧表面被抛光。
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公开(公告)号：US07248608B2
公开(公告)日：2007-07-24
申请号：US10974798
申请日：2004-10-28
Applicant: John E. Nettleton
Inventor： John E. Nettleton
IPC: H01S3/11
CPC classification number: H01S3/1083 , H01S3/0604 , H01S3/0612 , H01S3/0623 , H01S3/0627 , H01S3/113
Abstract: An improved monoblock laser cavity is made by elongating the Optical parametric oscillation (OPO) cavity. This can be accomplished by changing the coatings on the OPO material and Q-switch and by elongating the OPO cavity to approximately 2 to 3 times the OPO crystal length. The increase in the length of the OPO cavity will improve the beam divergence of the laser.
Abstract translation: 通过延长光学参数振荡（OPO）腔来制造改进的单块激光腔。 这可以通过改变OPO材料和Q开关上的涂层并通过将OPO腔伸长到OPO晶体长度的约2至3倍来实现。 OPO腔体长度的增加将改善激光束的光束发散。
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