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公开(公告)号：US06603794B2
公开(公告)日：2003-08-05
申请号：US09948054
申请日：2001-09-05
IPC分类号： H01S308
CPC分类号： H01S3/223 , H01S3/0315 , H01S3/0385 , H01S3/0815 , H01S3/2222
摘要： A system and method for laser beam coupling between waveguide optics uses extension members to reduce power losses in a laser beam traveling within a resonator cavity of the laser beam. In some embodiments, the extension members are made of electrically conducting material and are spaced from longitudinal ends of electrodes by electrically insulating material. The electrically insulating material is sized to prevent electrical discharge from occurring between the electrode and the extension member adjacent thereto. In other embodiments, the extension members are fashioned from a lasing medium such as from a solid-state crystal lasing medium.
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公开(公告)号：US06195379B1
公开(公告)日：2001-02-27
申请号：US09472735
申请日：1999-12-27
申请人： Benjamin K. Jones , Jeffery A. Broderick , Jason W. Bethel , Eugene F. Yelden , Erik R. Stockinger
发明人： Benjamin K. Jones , Jeffery A. Broderick , Jason W. Bethel , Eugene F. Yelden , Erik R. Stockinger
IPC分类号： H01S3097
CPC分类号： H01S3/0315
摘要： A laser assembly system and method uses an electrode assembly and flexible housing to reduce manufacturing costs and complexity. The flexible housing also helps to insure uniform contact with the housing and electrically insulating material between the housing and electrodes. The uniform contact in turn assists in maintaining a uniform electric field in the discharge area of the laser, which affects laser performance, and assists in maintaining efficient cooling of the electrodes and the lasing medium. The electrode assembly is pre-assembled before insertion into the laser housing, which reduces adverse effects of anomalies of housing construction and helps to reduce the complexity and cost of manufacturing of the laser. The electrode assembly includes first and second electrodes that are separated by spacers made out of an electrically insulating material such as ceramic. The first and second electrodes are rigidly linked together in the electrode assembly by linkages such as including bolts and ceramic bushings. In an unflexed position, top and bottom walls of the housing are slightly bowed toward the center of the housing. The thickness and bow of the top and bottom walls of the housing allow for substantial resilient flexing of the housing under an applied outward force to the top and bottom walls of the housing. The outward flexing of the top and bottom walls of the housing accommodates insertion of the electrode assembly into the housing. After the electrode assembly is inserted into the housing, the applied force to the top and bottom walls of the housing is removed, which allows the top and bottom walls of the housing to supply a clamping force onto the outer surfaces of the electrode assembly due to the bow and resiliency of the top and bottom walls of the housing.
摘要翻译： 激光组装系统和方法使用电极组件和柔性壳体来降低制造成本和复杂性。 柔性壳体还有助于确保与壳体的均匀接触并且在壳体和电极之间电绝缘材料。 均匀接触又有助于在激光器的放电区域保持均匀的电场，这影响激光器的性能，并有助于维持电极和激光介质的有效冷却。 电极组件在插入激光器壳体之前被预先组装，这减少了壳体结构异常的不利影响，有助于降低激光器制造的复杂性和成本。 电极组件包括由电绝缘材料（例如陶瓷）制成的间隔隔开的第一和第二电极。 第一和第二电极通过诸如包括螺栓和陶瓷衬套的连接件在电极组件中刚性连接在一起。 在非弯曲的位置，壳体的顶壁和底壁朝向壳体的中心稍微弯曲。 壳体的顶壁和底壁的厚度和弓形件允许壳体在施加的向外的力下在壳体的顶壁和底壁上实质上弹性地弯曲。 外壳的顶壁和底壁的向外弯曲可容纳电极组件插入外壳中。 在将电极组件插入到壳体中之后，移除对壳体的顶壁和底壁施加的力，这允许壳体的顶壁和底壁向电极组件的外表面提供夹紧力，这是由于 外壳的顶壁和底壁的弓和弹性。
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公开(公告)号：US06198759B1
公开(公告)日：2001-03-06
申请号：US09472733
申请日：1999-12-27
IPC分类号： H01S314
CPC分类号： H01S3/0315
摘要： A laser system and method for beam enhancement utilizes shaped electrodes or one or more shaped lasing media, including crystal media, to prescribe the operational transverse modes of the laser. The electrodes and shaped lasing media are shaped with respect to the transverse mode or modes to be selected for operational use. In some embodiments shaping is done according to the selected transverse modes for operation so that at least a designated percentage of the total operational power of the beam is made up of the selected transverse modes. The designated percentage of total operational power of the selected transverse modes can be 90% of the total power of the beam, but in other more relaxed cases can be 85% and in other more stringent cases are 95% of the beam. In some embodiments, the electrodes or lasing media are so shaped that the theoretical fundamental transverse mode is the only selected transverse operational mode. Some embodiments utilize folded resonators. Other embodiments utilize other resonators including resonators having multiple discharge sections and are not folded.
摘要翻译： 用于光束增强的激光系统和方法利用成形电极或一个或多个成形的激光介质（包括晶体介质）来规定激光器的操作横向模式。 电极和成形的激光介质相对于待选择用于操作使用的横向模式或模式成形。 在一些实施例中，根据所选择的横向模式进行成形，以便操作的至少一个指定百分比的总的工作功率由所选择的横向模式组成。 所选横向模式的总操作功率的指定百分比可以是光束的总功率的90％，但是在其他更松弛的情况下可以是85％，而在其他更严格的情况下是波束的总功率的百分之九十五。 在一些实施例中，电极或激光介质被成形为使得理论基本横向模式是唯一选择的横向操作模式。 一些实施例利用折叠谐振器。 其他实施例利用包括具有多个放电部分并且不折叠的谐振器的其它谐振器。
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公开(公告)号：US06198758B1
公开(公告)日：2001-03-06
申请号：US09472726
申请日：1999-12-27
IPC分类号： H01S304
CPC分类号： H01S3/041 , H01S3/0315
摘要： A laser with a heat transfer system and method of making the same using electrodes. The heat transfer system draws heat from the electrodes which have internal electrode surfaces adjacent to a lasing medium of the laser. Cooling of the electrodes helps to maintain proper operating temperature for the lasing medium. The heat transfer system utilizes thermally conductive material positioned between external surfaces of the electrodes and internal surfaces of a housing that contains the electrodes and the lasing medium. Since the thermally conductive material adds capacitance to the laser system, inductance may be added for compensation depending upon the amount of thermally conductive material used. Options exist for positioning and applying the thermally conductive material between the electrodes and housing including press fitting strips of the thermally conductive material in depressions in the electrodes, and spray coating the thermally conductive material onto the electrodes, or the housing, or onto both the electrodes and the housing.
摘要翻译： 具有传热系统的激光器和使用电极制造相同方法。 传热系统从具有与激光器的激光介质相邻的内部电极表面的电极吸取热量。 电极的冷却有助于保持激光介质的正常工作温度。 传热系统利用定位在电极的外表面和包含电极和激光介质的外壳的内表面之间的导热材料。 由于导热材料向激光系统添加电容，所以可以根据所使用的导热材料的量添加电感以进行补偿。 存在用于在电极和壳体之间定位和施加导热材料的选项，包括在电极中的凹陷中的导热材料的压配合条，并且将导热材料喷涂到电极或壳体上或两个电极上 和房屋。
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5.发明授权Laser system and method for gain medium with output beam transverse profile tailoring longitudinal strips 有权激光系统和增益介质的方法，输出光束横向轮廓剪裁纵向条公开(公告)号：US06614826B1
公开(公告)日：2003-09-02
申请号：US09565733
申请日：2000-05-05
IPC分类号： H01S306
CPC分类号： H01S3/063 , H01S3/06 , H01S3/073 , H01S3/0804 , H01S3/22
摘要： A laser system and method having an output laser beam uses an gain medium with one or more output beam transverse profile tailoring (OBTPT) longitudinal strips to tailor the transverse profile of the output laser beam to a desirable shape such as having a symmetrical profile transverse to the direction of propagation of the output laser beam. The laser system has two reflector systems on opposite ends in the long z-axis dimension of the gain medium to form a resonator that outputs the output laser beam following the same long z-axis dimension. In some embodiments the gain medium has a narrow y-axis dimension and a wide x-axis dimension. In these embodiments the OBTPT longitudinal strips have lengths running the long z-axis dimension, widths running the wide x-axis dimension and thicknesses running the narrow y-axis dimension of the gain medium. The widths of the OBTPT longitudinal strips are generally chosen with respect to coupling width of the output laser beam. The OBTPT longitudinal strips are contoured to change their y-axis thicknesses with respect to position along the z-axis so that the output laser beam is formed with a desired transverse profile upon exiting the laser system. Location, number, contouring, and other aspects of the OBTPT longitudinal strips can be varied depending upon the particular output beam tailoring that is desired.
摘要翻译： 具有输出激光束的激光系统和方法使用具有一个或多个输出光束横向轮廓裁剪（OBTPT）纵向条带的增益介质，以将输出激光束的横向轮廓定制成期望的形状，例如具有横向于 输出激光束的传播方向。 激光系统在增益介质的长z轴尺寸的相对端上具有两个反射器系统，以形成输出遵循相同长z轴尺寸的输出激光束的谐振器。 在一些实施例中，增益介质具有窄的y轴尺寸和宽的x轴尺寸。 在这些实施例中，OBTPT纵向条带具有长z轴尺寸的长度，运行宽x轴尺寸的宽度和运行增益介质的窄y轴尺寸的厚度。 通常相对于输出激光束的耦合宽度选择OBTPT纵向条的宽度。 OBTPT纵向条的轮廓是相对于沿着z轴的位置改变它们的y轴厚度，使得输出激光束在离开激光系统时形成所需的横向轮廓。 OBTPT纵向条的位置，数量，轮廓和其他方面可以根据所需的特定输出光束裁剪而变化。
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