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  2. Fiber laser - Wikipedia

    en.wikipedia.org/wiki/Fiber_laser

    Fiber laser. A fiber laser (or fibre laser in Commonwealth English) is a laser in which the active gain medium is an optical fiber doped with rare-earth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, thulium and holmium. They are related to doped fiber amplifiers, which provide light amplification without lasing .

  3. Browning Hi-Power - Wikipedia

    en.wikipedia.org/wiki/Browning_Hi-Power

    20 or 30 rounds made by Rhodesia ( 9mm) [1] 10 rounds ( .40 S&W) The Browning Hi-Power is a single-action, semi-automatic pistol available in the 9×19mm Parabellum and .40 S&W calibers. It was based on a design by American firearms inventor John Browning, and completed by Dieudonné Saive at FN Herstal. Browning died in 1926, several years ...

  4. Laser pointer - Wikipedia

    en.wikipedia.org/wiki/Laser_pointer

    A laser pointer or laser pen is a (typically battery-powered) handheld device that uses a laser diode to emit a narrow low-power visible laser beam (i.e. coherent light) to highlight something of interest with a small bright colored spot. The small width of the beam and the low power of typical laser pointers make the beam itself invisible in a ...

  5. Peresvet (laser weapon) - Wikipedia

    en.wikipedia.org/wiki/Peresvet_(laser_weapon)

    The Peresvet ( Russian: Пересвет ), named after Alexander Peresvet, is a Russian laser weapon for air defense and anti-satellite warfare. [4] [3] [5] The Peresvet is one of the six new Russian strategic weapons unveiled by Russian President Vladimir Putin on 1 March 2018. As of May 2022, five units of the system are claimed to be in ...

  6. Far-infrared laser - Wikipedia

    en.wikipedia.org/wiki/Far-infrared_laser

    Far-infrared laser or terahertz laser ( FIR laser, THz laser) is a laser with output wavelength in between 30 and 1000 µm ( frequency 0.3-10 THz), in the far infrared or terahertz frequency band of the electromagnetic spectrum . FIR lasers have application in terahertz spectroscopy, terahertz imaging as well in fusion plasma physics diagnostics.

  7. Laser beam welding - Wikipedia

    en.wikipedia.org/wiki/Laser_beam_welding

    Typical power output for ruby lasers is 10–20 W, while the Nd:YAG laser outputs between 0.04–6,000 W. To deliver the laser beam to the weld area, fiber optics are usually employed. Gas. Gas lasers use high-voltage, low-current power sources to supply the energy needed to excite the gas mixture used as a lasing medium.

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