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21. 发明授权

US08049957B2 Scalable semiconductor waveguide amplifier 有权
标题翻译：可扩展半导体波导放大器
公开(公告)号：US08049957B2
公开(公告)日：2011-11-01
申请号：US11983028
申请日：2007-11-06
申请人： Robert Rex Rice , Hagop Injeyan
发明人： Robert Rex Rice , Hagop Injeyan
IPC分类号： H01S5/00 , G02B6/02
CPC分类号： H01S5/50 , H01S5/024 , H01S5/02423 , H01S5/041 , H01S5/2045
摘要： One embodiment of the present method and apparatus encompasses an apparatus that may have: a predetermined length, the self-imaging semiconductor waveguide having first and second opposed sides; quantum wells disposed within the self-imaging semiconductor waveguide along the length of the self-imaging semiconductor waveguide, the quantum wells being formed of a quantum well gain material; microchannel cooler that extends substantially the width of the self-imaging semiconductor waveguide, the microchannel cooler located adjacent the first side of the self-imaging semiconductor waveguide; and a plurality of pump arrays arranged along the microchannel cooler opposed from the first side of the self-imaging semiconductor waveguide; wherein the quantum well gain material is photopumped through the microchannel cooler.
摘要翻译：本方法和装置的一个实施例包括可以具有：预定长度的装置，该自成像半导体波导具有第一和第二相对侧; 量子阱沿着自成像半导体波导的长度设置在自成像半导体波导内，量子阱由量子阱增益材料形成; 所述微通道冷却器基本上延伸所述自成像半导体波导的宽度，所述微通道冷却器位于所述自成像半导体波导的所述第一侧附近; 以及沿着所述微通道冷却器布置的多个泵阵列，所述多个泵阵列与所述自成像半导体波导的第一侧相对; 其中量子阱增益材料通过微通道冷却器照射。

22. 发明授权

US5748654A Diode array providing either a pulsed or a CW mode of operation of a diode pumped solid state laser 失效
标题翻译：二极管阵列提供二极管泵浦固态激光器的脉冲或CW工作模式
公开(公告)号：US5748654A
公开(公告)日：1998-05-05
申请号：US664659
申请日：1996-06-17
申请人： Leonard J. Marabella , Jacqueline G. Berg , Gerald W. Holleman , Hagop Injeyan , James M. Zamel
发明人： Leonard J. Marabella , Jacqueline G. Berg , Gerald W. Holleman , Hagop Injeyan , James M. Zamel
IPC分类号： H01S3/0941 , H01S5/40 , H01S3/098
CPC分类号： H01S3/0941 , H01S5/4025
摘要： A technique for operating a diode pumped solid state laser in a continuous-wave (cw) mode using diodes blocks (12) that are individually operated in a pulsed mode. For some high power laser applications, it is desirable to provide for operation in pulsed and cw modes, but pump diodes are typically designed for efficient operation in only one of these modes. The invention includes a controller (20) that pulses the individual diode blocks (12) on and off, but not necessarily in unison. For a pulsed mode of operation, the diodes (12) in an array are pulsed either at the same time, or sub-arrays are pulsed in a temporally interleaved manner for a higher effective pulse repetition rate. For the cw mode of operation, the diodes (12) are pulsed sequentially in sub-arrays (A-E), such that at least one sub-array is always energized and the complete array appears to be providing continuous pumping energy. In one embodiment, the sub-arrays (A-E) are columns of the array. In another embodiment, the sub-arrays (12') are each associated with a different solid-state gain medium (10'), the gain media being optically coupled in a single laser.
摘要翻译：使用以脉冲模式单独操作的二极管块（12）以连续波（cw）模式操作二极管泵浦固态激光器的技术。对于一些大功率激光器应用，期望提供在脉冲和cw模式中的操作，但是泵二极管通常被设计用于仅在这些模式之一中的有效操作。本发明包括控制器（20），该控制器（20）打开和关闭各个二极管块（12），但不一定是一致的。对于脉冲操作模式，阵列中的二极管（12）同时被脉冲，或者子阵列以时间交替的方式脉冲以获得更高的有效脉冲重复率。对于cw操作模式，二极管（12）在子阵列（A-E）中顺序地脉冲，使得至少一个子阵列总是被激励，并且整个阵列似乎提供连续的泵浦能量。在一个实施例中，子阵列（A-E）是阵列的列。在另一个实施例中，子阵列（12'）各自与不同的固态增益介质（10'）相关联，增益介质在单个激光器中光耦合。

23. 发明授权

US5488619A Ultracompact Q-switched microlasers and related method 失效
标题翻译：超微型Q开关微型激光器及相关方法
公开(公告)号：US5488619A
公开(公告)日：1996-01-30
申请号：US319192
申请日：1994-10-06
申请人： Hagop Injeyan , Terry L. Holcomb
发明人： Hagop Injeyan , Terry L. Holcomb
IPC分类号： G02F1/015 , G02F1/37 , G02F1/39 , H01S3/06 , H01S3/0941 , H01S3/106 , H01S3/109 , H01S3/11 , H01S3/115 , H01S3/23 , H01S5/00 , H01S5/42
CPC分类号： H01S3/0627 , H01S3/2383 , H01S3/025 , H01S3/0604 , H01S3/0941 , H01S3/1063 , H01S3/109 , H01S3/115 , H01S5/42
摘要： An ultracompact array of microlasers in which Q-switching is performed by intracavity electroabsorptive modulators, to provide an array of relatively high-power beams with good beam quality and other beam characteristics. The microlasers are optically pumped by light beams from an array of semiconductor diode lasers, each of which is individually controlled by a separate electrode. Light from the diode lasers is coupled directly into a slab of solid-state crystal material, such as Nd:YVO.sub.4 (neodymium:yttrium vanadate), in which laser action takes place. The solid state material in part defines an array of laser cavities and an array of individually controllable Q-switching elements is integrated into the cavities, permitting Q-switching of each of the array elements. The Q-switching elements are electroabsorptive modulators that permit extremely rapid switching of the microlaser elements and provide output pulses of relatively high peak powers.
摘要翻译：通过腔内电吸收调制器进行Q切换的微型激光器的超小型阵列，以提供具有良好光束质量和其他光束特性的相对高功率光束的阵列。微型激光器由来自半导体二极管激光器阵列的光束光学泵浦，每个半导体激光器由单独的电极单独控制。来自二极管激光器的光直接耦合到诸如Nd：YVO4（钕：钒酸钇）的固态晶体材料的板中，其中发生激光作用。固体材料部分地限定了激光腔的阵列，并且可独立控制的Q开关元件的阵列集成到空腔中，从而允许每个阵列元件的Q开关。 Q开关元件是电吸收调制器，其允许微激光器元件的极快切换并提供具有相对较高峰值功率的输出脉冲。

24. 发明授权

US4598409A CW HF R-branch laser 失效
标题翻译： CW HF R分支激光器
公开(公告)号：US4598409A
公开(公告)日：1986-07-01
申请号：US583026
申请日：1984-02-23
申请人： Hagop Injeyan , John H. S. Wang
发明人： Hagop Injeyan , John H. S. Wang
IPC分类号： H01S3/0953 , H01S3/223 , H01S3/095
CPC分类号： H01S3/0953 , H01S3/2237 , Y10S372/701
摘要： A continuous wave HF R-branch chemical laser uses a linear array nozzle system having primary and secondary nozzles for exciting HF and a laser resonator having mirrors with reflectance to discriminate against P-branch lasing of the excited HF.
摘要翻译：连续波HF R分支化学激光器使用具有用于激发HF的初级和次级喷嘴的线性阵列喷嘴系统和具有反射率的反射镜的激光谐振器，以区分激发HF的P分支激光。

25. 发明授权

US08441723B2 Scalable semiconductor waveguide amplifier 有权
公开(公告)号：US08441723B2
公开(公告)日：2013-05-14
申请号：US13207598
申请日：2011-08-11
申请人： Robert Rex Rice , Hagop Injeyan
发明人： Robert Rex Rice , Hagop Injeyan
IPC分类号： H01S5/00 , G02B6/02
CPC分类号： H01S5/50 , H01S5/024 , H01S5/02423 , H01S5/041 , H01S5/2045
摘要： One embodiment of the present method and apparatus encompasses an apparatus that may have: a predetermined length, the self-imaging semiconductor waveguide having first and second opposed sides; quantum wells disposed within the self-imaging semiconductor waveguide along the length of the self-imaging semiconductor waveguide, the quantum wells being formed of a quantum well gain material; microchannel cooler that extends substantially the width of the self-imaging semiconductor waveguide, the microchannel cooler located adjacent the first side of the self-imaging semiconductor waveguide; and a plurality of pump arrays arranged along the microchannel cooler opposed from the first side of the self-imaging semiconductor waveguide; wherein the quantum well gain material is photopumped through the microchannel cooler.

26. 发明授权

US5991315A Optically controllable cooled saturable absorber Q-switch slab 有权
标题翻译：光控冷却饱和吸收器Q开关板
公开(公告)号：US5991315A
公开(公告)日：1999-11-23
申请号：US146892
申请日：1998-09-03
申请人： Hagop Injeyan , Stephen P. Palese
发明人： Hagop Injeyan , Stephen P. Palese
IPC分类号： H01S3/113
CPC分类号： H01S3/113
摘要： A solid state saturable absorber (SSSA) is formed from a slab of solid state material, such as Cr.sup.4+ : YAG. Optical distortion caused by the absorption process can be minimized by confining absorption to portions of the solid state slab which can be cooled efficiently. In accordance with an important aspect of the invention, the use of the SSSA in accordance with the present invention allows the repetition rate, pulse width, and energy level of the laser output pulses to be controlled by way of optical pump sources, such as a diode array. The solid state slab material allows for zig-zag propagation and thus, averaging of the thermal gradients caused by absorption, optical pumping and cooling which results in relatively low thermal lensing with virtually no birefringence and therefore allows for passive Q-switching applications in relatively high brightness laser systems. In an alternate embodiment of the invention, a plurality of thin cells are stacked and immersed in an indexed matched cooling fluid in order to increase the absorption length while minimizing optical distortion.
摘要翻译：固态饱和吸收体（SSSA）由诸如Cr4 +：YAG的固态材料板形成。通过将吸收限制在可以有效冷却的固态板坯的部分上，可以最小化吸收过程引起的光学变形。根据本发明的一个重要方面，根据本发明的SSSA的使用允许激光输出脉冲的重复频率，脉冲宽度和能量水平通过光泵来控制，诸如二极管阵列。固态板材允许锯齿形传播，从而平均由吸收，光泵浦和冷却引起的热梯度，这导致相当低的热透镜，实际上没有双折射，因此允许在相对较高的无源Q开关应用亮度激光系统。在本发明的替代实施例中，多个薄电池被堆叠并浸入索引的匹配冷却流体中，以便增加吸收长度同时最小化光学失真。

27. 发明授权

US5721749A Laser pulse profile control by modulating relaxation oscillations 失效
标题翻译：通过调节松弛振荡的激光脉冲轮廓控制
公开(公告)号：US5721749A
公开(公告)日：1998-02-24
申请号：US593961
申请日：1996-01-30
申请人： Gerald W. Holleman , Hagop Injeyan
发明人： Gerald W. Holleman , Hagop Injeyan
IPC分类号： H01S3/117 , B23K26/06 , H01S3/08 , H01S3/094 , H01S3/106 , H01S3/16 , H01S3/23 , H01S3/10
CPC分类号： H01S3/117 , B23K26/0622 , H01S3/0941 , H01S2301/08 , H01S3/07 , H01S3/08 , H01S3/08095 , H01S3/094076 , H01S3/1022
摘要： A method and apparatus for controlling the form and timing of pulses emitted by a high-power solid-state laser, without the need for complex feedback circuits. The width and peak intensity of relaxation pulses emitted by the laser are controlled by use of an acousto-optic modulator (14) installed in the laser cavity, to lock the relaxation pulses to the frequency of radio-frequency (rf) control signals applied to the modulator. The number and average rate at which the pulses are emitted from the laser are independently controlled by varying the duty cycle of diodes (20) used to pump solid-state amplifiers (18) installed in the laser cavity. Short pump pulses can be selected to deliver only a few relaxation pulses from the laser, or longer pump pulses can be selected to deliver large numbers of relaxation pulses during each pump pulse. Feedback control of the modulator (14) is not needed because the pumping rate is uniform for the duration of each pump pulse and, therefore, the peak intensities of relaxation pulses emitted by the laser are relatively uniform. Accordingly, the solid-state laser can be conveniently controlled to produce a desired average power output while maintaining good beam quality.
摘要翻译：一种用于控制由大功率固体激光器发射的脉冲的形式和定时的方法和装置，而不需要复杂的反馈电路。通过使用安装在激光腔中的声光调制器（14）来控制由激光发射的弛豫脉冲的宽度和峰值强度，以将弛豫脉冲锁定到施加到调制器。通过改变用于泵浦安装在激光腔中的固态放大器（18）的二极管（20）的占空比来独立地控制从激光器发射脉冲的数量和平均速率。可以选择短泵浦脉冲以仅从激光器传递几个弛豫脉冲，或者可以选择更长的泵浦脉冲以在每个泵浦脉冲期间递送大量的弛豫脉冲。不需要调制器（14）的反馈控制，因为在每个泵浦脉冲的持续时间内泵送速率是均匀的，因此激光器发出的松弛脉冲的峰值强度相对均匀。因此，可以方便地控制固态激光器以产生期望的平均功率输出，同时保持良好的光束质量。

28. 发明授权

US5721748A Intracavity doubled solid state Raman laser system 失效
标题翻译：腔内双固态拉曼激光系统
公开(公告)号：US5721748A
公开(公告)日：1998-02-24
申请号：US712233
申请日：1996-09-11
申请人： Hagop Injeyan , Eric C. Cheung , James G. Ho
发明人： Hagop Injeyan , Eric C. Cheung , James G. Ho
IPC分类号： H01S3/109 , H01S3/30
CPC分类号： H01S3/30 , H01S3/08054 , H01S3/094026 , H01S3/109
摘要： An intracavity doubled solid state Raman laser system for converting the frequency of a laser input beam emitted by a laser pumping system is described. A solid Raman medium is disposed within a resonator cavity to shift the frequency of the input beam to produce a Raman beam. The frequency of the Raman beam is tuned in the resonator cavity preferably using an etalon and a birefringent filter. The polarization of the Raman beam is selected using a polarizing element disposed in the resonator cavity. The Raman beam frequency is doubled using a non-linear doubling medium inside the resonator cavity. The Raman laser system is particularly suitable for producing yellow light.
摘要翻译：描述了用于转换由激光泵送系统发射的激光输入光束的频率的腔内双倍固态拉曼激光器系统。固体拉曼介质设置在谐振器腔内以移动输入光束的频率以产生拉曼光束。优选地，使用标准具和双折射滤光器在谐振腔中调谐拉曼光束的频率。使用设置在谐振器腔中的偏振元件来选择拉曼光束的偏振。使用谐振腔内部的非线性倍增介质将拉曼光束频率加倍。拉曼激光系统特别适用于生产黄光。

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