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    • 2. 发明授权
    • Method, array, and influencing unit for said array in order to modify a wavefront of an optical beam
    • 用于所述阵列的方法,阵列和影响单元,以便修改光束的波前
    • US07656572B2
    • 2010-02-02
    • US10546926
    • 2004-02-17
    • Thomas GrafEduard Wyss
    • Thomas GrafEduard Wyss
    • G02F1/01
    • G02F1/0147G02F1/0126G02F2203/18
    • Disclosed is an array for modifying a wavefront of an optical beam (3) having a beam axis (15). Said array comprises an influencing unit (1) which can be introduced into the beam path of the optical beam (3) and a heat source (12) that generates a thermal pattern and acts upon the influencing unit (1). The influencing unit (1) is provided with at least one planar cooling plate (7a, 7b) that extends transversal to the optical axis (15) of the incident beam (3) and a fluid layer or gel layer (9) which has a two-dimensional expansion, is disposed on the cooling plate with a basal surface, and absorbs the heat of the heat source. The two-dimensional expansion is large enough to receive approximately the entire cross section of the beam. The thickness of the fluid layer or gel layer (9) is embodied in such a small manner that only a minute amount of heat can flow perpendicular to the beam axis (15) while being thick enough for the wavefront of the incident beam (3) to be modified by the heat pattern resulting from thermal impingement of the fluid or gel (9). The wavefront of a beam can thus be influenced in an inexpensive and tailor-made manner. Beams that are influenced in such a way can preferably be used in high-power lasers for creating custom modes.
    • 公开了一种用于修改具有光束轴(15)的光束(3)的波前的阵列。 所述阵列包括可以被引入光束(3)的光束路径的影响单元(1)和产生热图案并作用于影响单元(1)的热源。 影响单元(1)设置有至少一个横向于入射光束(3)的光轴(15)延伸的平面冷却板(7a,7b)和流体层或凝胶层(9) 二维膨胀,以基面设置在冷却板上,吸收热源的热量。 二维膨胀足够大以接收梁的整个横截面。 流体层或凝胶层(9)的厚度以如此小的方式实现,即只有少量的热能够垂直于束轴(15)流动,同时对于入射光束(3)的波前足够厚, 通过流体或凝胶(9)的热冲击产生的热图案来改变。 因此,波束的波前可以以便宜且定制的方式受到影响。 以这种方式影响的光束可以优选地用于大功率激光器中以创建定制模式。
    • 4. 发明授权
    • Hand-operated pressure regulating valve for compressed air guns
    • 压缩空气枪手动压力调节阀
    • US07562860B2
    • 2009-07-21
    • US11805144
    • 2007-05-22
    • Thomas Graf
    • Thomas Graf
    • F16K5/10
    • F16K31/52475B05B1/005B05B1/3026F16K3/262
    • A hand-operated pressure regulating valve for compressed air guns includes a basic valve body with a nozzle passage, threads for connection to a compressed air gun and a nozzle body, a pressure regulating unit and an actuating ring. The regulating unit is held by the ring, with a securing ring, in a bore of the basic valve body. The nozzle passage can be bridged and closed within the bore by a nozzle passage piece. The cross section of the nozzle passage can be reduced and increased by rotation of the ring and displacement of the regulating unit and the passage piece. The regulating unit has a basic body with the passage piece, a spring pin and a compression spring and, in the installed state, the pin projects through the spring out of the basic body and the bore for radial movement transversely and, by rotation of the actuating ring, latches in succession into wells in an inner surface of the actuating ring.
    • 用于压缩空气枪的手动压力调节阀包括具有喷嘴通道的基本阀体,用于连接到压缩空气枪的螺纹和喷嘴体,压力调节单元和致动环。 调节单元由环上固定有基本阀体的孔中的固定环。 喷嘴通道可以通过喷嘴通道片在孔内桥接和关闭。 可以通过环的旋转和调节单元和通道片的移动来减小和增加喷嘴通道的横截面。 调节单元具有带有通道片的基体,弹簧销和压缩弹簧,并且在安装状态下,销通过弹簧伸出基体并且孔径向径向移动,并且通过旋转 驱动环,连续锁定在致动环的内表面中的孔中。
    • 10. 发明申请
    • WELDING DEVICE AND METHOD FOR WELDING
    • 焊接装置和焊接方法
    • US20130146567A1
    • 2013-06-13
    • US13701873
    • 2011-05-23
    • Thomas GrafAndreas Josef Birnesser
    • Thomas GrafAndreas Josef Birnesser
    • B23K15/02
    • B23K15/02B23K26/02B23K26/03B23K26/04B23K26/20B23K26/707
    • A welding device has a beam source to generate electromagnetic beams for absorption in an object to be welded at a welding location, and at least one sensor situated to detect electromagnetic process beams generated during welding at the welding location. The sensor is to generate a sensor signal as a function of the detected process beams. The welding device also has a processing unit, which is connected to the sensor and the beam source, the processing unit being configured to control at least one parameter of the beam generation of the beam source as a function of the sensor signal. The welding device is to delimit by a window a beam bundle of the emitted process beams in a plane transverse to the beam propagation direction; in the plane, the window has a longitudinal dimension greater than a transversal dimension of the window perpendicular to the longitudinal dimension.
    • 焊接装置具有用于在焊接位置处产生用于吸收待焊接物体的电磁束的光束源,以及用于检测在焊接位置处焊接期间产生的电磁处理光束的至少一个传感器。 传感器将根据检测到的过程光束产生一个传感器信号。 焊接装置还具有连接到传感器和光束源的处理单元,处理单元被配置为根据传感器信号来控制光束源的光束产生的至少一个参数。 焊接装置是在与光束传播方向横切的平面中由窗口界定发射的过程光束的束束; 在平面中,窗口的纵向尺寸大于垂直于纵向尺寸的窗口的横向尺寸。