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  1. PEN - Penumbra, Inc.

    Yahoo Finance

    192.81-0.85 (-0.44%)

    at Tue, May 28, 2024, 4:00PM EDT - U.S. markets closed

    Delayed Quote

    • Open 193.65
    • High 194.12
    • Low 191.15
    • Prev. Close 193.66
    • 52 Wk. High 348.67
    • 52 Wk. Low 180.93
    • P/E 81.01
    • Mkt. Cap 7.47B
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  3. 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.

  4. Laser designator - Wikipedia

    en.wikipedia.org/wiki/Laser_designator

    A laser designator is a laser light source which is used to designate a target. Laser designators provide targeting for laser-guided bombs, missiles, or precision artillery munitions, such as the Paveway series of bombs, AGM-114 Hellfire, or the M712 Copperhead round, respectively.

  5. Directed-energy weapon - Wikipedia

    en.wikipedia.org/wiki/Directed-energy_weapon

    A directed-energy weapon (DEW) is a ranged weapon that damages its target with highly focused energy without a solid projectile, including lasers, microwaves, particle beams, and sound beams. Potential applications of this technology include weapons that target personnel , missiles , vehicles, and optical devices.

  6. Laser peening - Wikipedia

    en.wikipedia.org/wiki/Laser_peening

    Laser peening uses the dynamic mechanical effects of a shock wave imparted by a laser to modify the surface of a target material. It does not utilize thermal effects. Fundamentally, laser peening can be accomplished with only two components: a transparent overlay and a high-energy pulsed laser system.

  7. Laser hair removal - Wikipedia

    en.wikipedia.org/wiki/Laser_hair_removal

    Laser hair removal is the process of hair removal by means of exposure to pulses of laser light that destroy the hair follicle. It had been performed experimentally for about twenty years before becoming commercially available in 1995–1996.

  8. List of laser applications - Wikipedia

    en.wikipedia.org/wiki/List_of_laser_applications

    Another military use of lasers is as a laser target designator. This is a low-power laser pointer used to indicate a target for a precision-guided munition , typically launched from an aircraft. The guided munition adjusts its flight-path to home in to the laser light reflected by the target, enabling a great precision in aiming.