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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. 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]

  5. Blue laser - Wikipedia

    en.wikipedia.org/wiki/Blue_laser

    In the 2000s, Japanese manufacturers mastered the production of a blue laser with 60 mW of power and long lifetimes, making them applicable for devices that read a dense (due to blue's short wavelength) high-speed stream of data from Blu-ray, BD-R, and BD-RE.

  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. Laser ablation - Wikipedia

    en.wikipedia.org/wiki/Laser_ablation

    High power lasers clean a large spot with a single pulse. Lower power lasers use many small pulses which may be scanned across an area. In some industries laser ablation may be referred to as laser cleaning.

  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. 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 active service.