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  2. Laser pointer - Wikipedia

    en.wikipedia.org/wiki/Laser_pointer

    Laser pointer. Red (635 nm), blueish violet (445 nm), and green (520 nm) laser pointers. 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.

  3. The 10 Best Laser Hair Removal Devices to Shop on Amazon - AOL

    www.aol.com/lifestyle/10-best-laser-hair-removal...

    Peach 2 IPL. Just like the majority of Foreo's buzzy devices, this IPL hair removal tool is extremely high-tech—it even comes with its own app. The tool uses up to 120 flashes per minute and T ...

  4. Blue laser - Wikipedia

    en.wikipedia.org/wiki/Blue_laser

    A blue laser emits electromagnetic radiation with a wavelength between 400 and 500 nanometers, which the human eye sees in the visible spectrum as blue or violet. [1] Blue lasers can be produced by: direct, inorganic diode semiconductor lasers based on quantum wells of gallium (III) nitride at 380-417nm [2] [3] or indium gallium nitride at 450 ...

  5. Here Are Useful Father's Day Gift Ideas for Grandpa ... - AOL

    www.aol.com/useful-fathers-day-gift-ideas...

    2-in-1 Multi-Tool Pen Set From screw driver to LED light capabilities, this multi-tool gadget will help grandpa tackle tasks without lugging around his tool box.

  6. Laser engraving - Wikipedia

    en.wikipedia.org/wiki/Laser_engraving

    Laser engraving. Laser marked electronic part. Laser engraving is the practice of using lasers to engrave an object. Laser marking, on the other hand, is a broader category of methods to leave marks on an object, which in some cases, also includes color change due to chemical/molecular alteration, charring, foaming, melting, ablation, and more. [1]

  7. Laser ablation - Wikipedia

    en.wikipedia.org/wiki/Laser_ablation

    Laser ablation of an asteroid-like sample. Laser ablation or photoablation (also called laser blasting [1] [2] [3]) is the process of removing material from a solid (or occasionally liquid) surface by irradiating it with a laser beam. At low laser flux, the material is heated by the absorbed laser energy and evaporates or sublimates.

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