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  • New "window " of opportunity for e-beam welding
    No longer confined to vacuum chambers, Plasma Arc Window electron-beam welders could produce high quality welds on large structures such as airplanes and ships. Brookhaven National Laboratory Physicist Ady Hershcovitch witnesses the first successful firing of an electron beam through the Plasma Arc
  • Liquid Cooling a Laser for System Optimization
    lasers all use liquid cooling to remove excess heat. Laser liquid cooling can help accomplish three goals: maintaining a precise laser wavelength and higher output efficiency, achieving desired beam quality, and reducing thermal stress on a laser system. Recirculating chillers, liquid-to-liquid
  • Phase Conjugate Laser Optics - Preface
    of the gain media induces aberrated thermal lenses, which severely. affects the beam quality. It thus results in wavefront aberrations that reduce the. brightness of the source and that evolve when changing the operating conditions of. the source. Adaptive correction of phase aberrations in a laser
  • Manual Laser Welders - The Tool of Choice for Eyewear Repair!
    growing technologies is the use of manual laser micro-welding systems as an alternative to traditional solder and fusion welding repair methods. Laser is an acronym for "Light Amplification by the Stimulated Emission of Radiation." This technology produces a sharply focused beam of hot light that melts
  • Combining 2-D and 3-D Laser Applications
    by optimizing part geometry, lot size, scrap rate, machine acceleration, material handling, beam mode quality, and gas delivery. Laser know-how has matured to the point where even the most knowledgeable operator can improve the fabricating operation only so much.
  • Smart Computing Article - Basic Troubleshooting- Laser Printers
    wasting time and frustration pursuing other solutions. To transfer a digital image to paper, laser printers employ a xerographic printing process that requires the near-instantaneous interaction of all its components. The printer shoots a laser beam onto an OPC (optical photoconductor) drum
  • 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.
  • Advantages of Semiconductor Laser Diodes Versus Helium Neon Gas Lasers
    optical characteristics. While laser diodes must take advantage of external optics to yield a high quality output beam, HeNe output is well-collimated and does not require external optics. HeNe lasers also offer excellent coherence lengths (10cm to several meters), and most small tubes operate as single

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