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  • Two Laser Weld Seams at One Time
    : A pre-punching unit with a fast operating 200t press, 32 forming units, but with only one laser. An innovative beam guidance system handles both welding positions. The machine is now in operation at our customer's plant. The equipment capability study concerning all critical dimensions corresponds to a Cmk
  • Novel High-Brightness Fiber Coupled Diode Laser Device
    unlimited flexibility. In addition to the transport function the fiber serves as homogenizer: the beam profile of the laser radiation emitted from a fiber is symmetrical with highly repeatable beam quality and pointing stability.
  • Laser sensors to guide VW Passat in next Darpa Challenge
    and its reflection being received determines the distance to the object. A rotating mirror lets the laser range finder operate as a scanner, with the mirror deflecting each outgoing beam. This lets the system build a profile of the environment within the laser scanner's range. The car, fielded by a group
  • 10kW Direct Diode Laser System with Homogized 55 x 20mm² Top-Hat Intensity Distribution
    the intensity distribution of the laser beam is homogenized in both axes leading to a 55 x 20 mm² Top-Hat intensity profile at a working distance of 400 mm. Homogeneity of the intensity distribution is better than 90%. The intensity in the focal plane is 1 kW/cm².
  • Fundamentals of Lasers
    of the presence of astigmatism (see Diodes vs. HeNe). The output power specified is the maximum power value of the laser light after the beam exits the laser housing; in other words, power is rated after passing through (but not before) any optics. Values stated are typically within +/-10%. The light
  • Understanding Spatial Filters
    Spatial Filters are designed to be used with lasers to "clean up" the beam. Often times a laser system does not produce a beam with a smooth intensity profile. In order to produce a clean Gaussian beam, a spatial filter is used to remove the unwanted multiple-order energy peaks and pass only
  • Analysis and Design of Vertical Cavity Surface Emitting Lasers - Preface
    that the computational efficiency can be improved. However, this approach will not provide detailed information on heat distribution. Detailed heat distribution inside the laser cavity is studied by solving the heat equation numerically. In this case, the influence of thermal lensing on the optical field profile

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