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  1. PEN - Penumbra, Inc.

    Yahoo Finance

    191.34-1.47 (-0.76%)

    at Wed, May 29, 2024, 4:00PM EDT - U.S. markets closed

    Delayed Quote

    • Open 190.51
    • High 193.18
    • Low 189.52
    • Prev. Close 192.81
    • 52 Wk. High 348.67
    • 52 Wk. Low 180.93
    • P/E 80.73
    • Mkt. Cap 7.42B
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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. 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.

  6. 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.

  7. Laser guidance - Wikipedia

    en.wikipedia.org/wiki/Laser_guidance

    Laser guidance is used by military to guide a missile or other projectile or vehicle to a target by means of a laser beam, either beam riding guidance or semi-active laser homing (SALH). With this technique, a laser is kept pointed at the target and the laser radiation bounces off the target and is scattered in all directions (this is known as ...

  8. Laser - Wikipedia

    en.wikipedia.org/wiki/Laser

    700 TW (700×10 12 W)—National Ignition Facility, a 192-beam, 1.8-megajoule laser system adjoining a 10-meter-diameter target chamber; 10 PW (10×10 15 W)—world's most powerful laser as of 2019, located at the ELI-NP facility in Măgurele, Romania. Safety