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2. Tattoo removal - Wikipedia

   en.wikipedia.org/wiki/Tattoo_removal

   Q-switched Ruby: 694 nm. This laser creates a red light which is highly absorbed by green and dark tattoo pigments. Because it is more highly absorbed by melanin this laser may produce undesirable side effects such as pigmentary changes for patients of all but white skin. [44] This is the best wavelength for blue ink. Q-switched Alexandrite ...

3. Q-switching - Wikipedia

   en.wikipedia.org/wiki/Q-switching

   Q-switching, sometimes known as giant pulse formation or Q-spoiling, [1] is a technique by which a laser can be made to produce a pulsed output beam. The technique allows the production of light pulses with extremely high peak power, much higher than would be produced by the same laser if it were operating in a continuous wave (constant output) mode.

4. Ochronosis - Wikipedia

   en.wikipedia.org/wiki/Ochronosis

   Hydroquinone-induced exogenous ochronosis is an avoidable dermatosis that is exceedingly difficult to treat. However, some studies show that treatment may be possible with a Q-switched alexandrite (755 nm) laser. [13] Individuals with this disorder are recommended to stop using hydroquinone-containing compounds. [2]

5. List of laser applications - Wikipedia

   en.wikipedia.org/wiki/List_of_laser_applications

   Burn and surgical scar management: scar contracture CO 2 (especially the newer fractionated CO 2 lasers), redness and itch (Pulsed Dye laser - PDL), post-inflammatory hyper-pigmentation (Q-switched lasers :Ruby, Alexandrite), burn scar unwanted hair growth and trapped hairs (Ruby, IPL and numerous hair removal lasers)

6. Is The Halo Laser Actually Worth The $$ and Downtime?

   www.aol.com/lifestyle/halo-laser-actually-worth...

   How much does Halo laser cost? The cost is the biggest downside to Halo IMO. A single treatment will set you back anywhere from $1500 to $2000 depending on where you live, ...

7. Solid-state laser - Wikipedia

   en.wikipedia.org/wiki/Solid-state_laser

   Laser rods (from left to right): Ruby, alexandrite, Er:YAG, Nd:YAG. A solid-state laser is a laser that uses a gain medium that is a solid, rather than a liquid as in dye lasers or a gas as in gas lasers. [1] Semiconductor-based lasers are also in the solid state, but are generally considered as a separate class from solid-state lasers, called ...