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  1. PEN - Penumbra, Inc.

    Yahoo Finance

    189.76+1.75 (+0.93%)

    at Fri, May 31, 2024, 11:33AM EDT - U.S. markets close in 4 hours 26 minutes

    Nasdaq Real Time Price

    • Open 188.55
    • High 190.68
    • Low 187.50
    • Prev. Close 188.01
    • 52 Wk. High 348.67
    • 52 Wk. Low 180.93
    • P/E 79.40
    • Mkt. Cap 7.36B
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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. Directed-energy weapon - Wikipedia

    en.wikipedia.org/wiki/Directed-energy_weapon

    Laser. Members of the Directed Energy and Electric Weapon Systems Program Office of the US Navy, fire a laser through a beam director on a Kineto Tracking Mount, controlled by a MK-15 Phalanx Close-In Weapons System. A laser weapon is a directed-energy weapon based on lasers .

  5. Scientists figure out how to make lasers nine-times ... - AOL

    www.aol.com/scientists-figure-lasers-nine-times...

    The new research, which was funded by the US Air Force, found a solution to limit the scattering and produce a high-quality, high-powered beam capable of causing major damage to a distant target.

  6. List of laser applications - Wikipedia

    en.wikipedia.org/wiki/List_of_laser_applications

    High power applications, such as hardening, cladding, and deep penetrating welding, require multiple kW of optical power, and are used in a broad range of industrial processes. Micro material processing is a category that includes all laser material processing applications under 1 kilowatt. [12]

  7. Laser safety - Wikipedia

    en.wikipedia.org/wiki/Laser_safety

    Moderate and high-power lasers are potentially hazardous because they can burn the retina, or even the skin. To control the risk of injury, various specifications, for example 21 Code of Federal Regulations (CFR) Part 1040 in the US and IEC 60825 internationally

  8. 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.

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