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  1. PEN - Penumbra, Inc.

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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 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

  5. Laser engraving - Wikipedia

    en.wikipedia.org/wiki/Laser_engraving

    Due to their thermal conductivity, pulsed, rather than continuous wave lasers, are preferred in laser engraving applications. High peak power, low pulse duration lasers are able to ablate material off a metal engraving surface without delivering enough energy to melt the surface. Laser on stainless steel.

  6. 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...

  7. Directed-energy weapon - Wikipedia

    en.wikipedia.org/wiki/Directed-energy_weapon

    THOR (Tactical High-powered Operational Responder) is a US-developed short-range directed energy weapon (DEW) demonstrator targeted at disabling drone swarms. THOR is one of a series of directed energy countermeasures targeting small, cheap drones.

  8. 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]