Which laser is suitable for treating light-colored inks such as red or orange?

The option mentioning the 532 nm laser is suitable for treating light-colored inks, particularly red or orange, due to its wavelength and the absorption characteristics of the ink colors. The 532 nm wavelength falls within the green spectrum, which is effectively absorbed by the pigments in red and orange inks. This laser is commonly used for tattoo removal and is known for being particularly effective against such inks because the energy from the laser is absorbed by the ink pigment, leading to its fragmentation and eventual removal by the body’s immune system.

In contrast, while other lasers have their benefits for different conditions or ink colors, they are not as effective for light-colored inks. For instance, the 1064 nm wavelength is better suited for darker pigments and may not effectively target lighter colors. The Ruby laser at 694 nm is typically used for darker inks as well, and the Pulsed Dye Laser often targets red colors, but still may not be as effective as the 532 nm for this particular application involving light-colored inks. Thus, the 532 nm laser is specifically chosen for its ability to adequately treat light-colored inks such as red or orange.