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  • Real-time control of polarization in ultra-short pulse laser micro-processing
    The use of a fast-response, transmissive, ferroelectric liquid-crystal device for real-time control of the polarization direction of a femtosecond laser beam, and the benefits on various aspects of ultra-short pulse micro-processing, are discussed.
  • Laser Marking Guide (.pdf)
    When the laser medium is a solid crystal, the laser is known as a solid state laser. One of the differences between welding and marking solid state lasers, is the use of a Q-switch in marking lasers. This is a high speed switching element with in the resonator that can produce laser pulses down
  • Laser Methods of CNT Synthesis
    "In 1996, a dual-pulsed laser vaporization technique was developed, which produced SWNTs in gram quantities and yields of >70wt% purity. Samples were prepared by laser vaporization of graphite rods with a 50:50 catalyst mixture of Co and Ni (particle size ~1um) at 1200oC in flowing argon, followed
  • Laser Marking Material Index
    to be marked, the desired marking speed, desired line width, the type of mark, the physical properties of the material, the color of the material, the power of the laser, the pulse frequency, etc. These factors interact with each other in a dynamic manner making the selection process very complicated. Based
  • Laser Wire Cutting
    Conventional cutting of fine wires for the medical industry can produce sharp, angular damaged ends. A novel laser technique has been developed to separate wires such that well rounded ends are produced. Results: Careful control of pulse energy and good beam positioning produce highly controlled
  • Laser Engraving of ID Cards(.pdf)
    In laser card marking, the pulsed energy produced by a laser is applied to the plastic (e.g., polycarbonate) card creating characters, images and even photographs via a set steering mirrors and/or a translation stage. The transferred laser energy heats or carbonizes the card material. If the pulse
  • Femtosecond Pulsed Laser Deposition Examples
    Femtosecond lasers have significant advantages for pulsed laser deposition applications. Due to the high peak power and short pulse duration, femtosecond laser pulses result in clean ablation with minimal thermal damage, shock-affected-zone, debris, or recast. The unique physics behind
  • The Progress of Industrial Laser Marking (.pdf)
    in the last several years. Laser markers are now being designed for specific purposes according to wavelength, beam spot diameter, pulse width and frequency. Not only has the technology advanced significantly, but the number of uses for laser marking has spread into nearly every sector of manufacturing.

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