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  2. Nd:YAG laser - Wikipedia

    en.wikipedia.org/wiki/Nd:YAG_laser

    The 1064 nm wavelength of Nd:YAG is thought to be particularly dangerous, as it is invisible and initial exposure is painless. [40] The Chinese ZM-87 blinding laser weapon uses a laser of this type, though only 22 have been produced due to their prohibition by the Convention on Certain Conventional Weapons. North Korea is reported to have used ...

  3. Laser safety - Wikipedia

    en.wikipedia.org/wiki/Laser_safety

    Furthermore, some lasers emit more than one wavelength of light, and this may be a particular problem with some less expensive frequency-doubled lasers, such as 532 nm "green laser pointers" which are commonly pumped by 808 nm infrared laser diodes, and also generate the fundamental 1064 nm laser beam which is used to produce the final 532 nm ...

  4. Laser hair removal - Wikipedia

    en.wikipedia.org/wiki/Laser_hair_removal

    Laser Used Wavelength (nm) Light Source Type of Skin used on Argon: 488 nm or 514.5 nm Turquoise/Cyan or Green No longer used Ruby: 694.3 nm Deep red Pale Alexandrite: 755 nm Near-infrared: All skin types Pulsed diode array 810 nm Near-infrared Pale to medium Nd:YAG: 1064 nm Infrared Darker complexion Intense pulsed light (IPL is not a laser ...

  5. Optical tweezers - Wikipedia

    en.wikipedia.org/wiki/Optical_tweezers

    An Nd:YAG laser (1064 nm wavelength) is a common choice of laser for working with biological specimens. This is because such specimens (being mostly water) have a low absorption coefficient at this wavelength. [43]

  6. Pseudofolliculitis barbae - Wikipedia

    en.wikipedia.org/wiki/Pseudofolliculitis_barbae

    [15] [16] Common laser systems used to treat PFC are pulsed alexandrite (755 nm), diode (800–810 nm) and Nd:YAG (1064 nm) lasers. Nd:YAG lasers are indicated for darker-pigmented individuals. [17] Laser therapy for PFC requires typically requires at least six treatments spaced 4–6 weeks apart. [14] Side effects include erythema and skin ...

  7. Laser designator - Wikipedia

    en.wikipedia.org/wiki/Laser_designator

    Depending on the wavelength of light used by the designator, the designation laser may or may not be visible to the personnel deploying it. This is the case with 1064 nm laser designators used by JTACs as that wavelength of light is difficult to see under standard Gen III/III+ night vision devices. [2]

  8. List of laser types - Wikipedia

    en.wikipedia.org/wiki/List_of_laser_types

    Helium–silver (HeAg) metal-vapor laser [3] 224.3 nm Scientific research Strontium vapor laser: 430.5 nm Scientific research Neon–copper (NeCu) metal-vapor laser [3] 248.6 nm Electrical discharge in metal vapor mixed with neon buffer gas. Scientific research: Raman and fluorescence spectroscopy [4] [5] Copper vapor laser: 510.6 nm, 578.2 nm ...

  9. Tattoo removal - Wikipedia

    en.wikipedia.org/wiki/Tattoo_removal

    Consequently, green ink tattoos may require treatment with 755 nm light but may also respond to 694 nm, 650 nm and 1064 nm. Multiple wavelengths of light may be needed to remove colored inks. One small Greek study showed that the R20 method—four passes with the laser, twenty minutes apart—caused more breaking up of the ink than the ...