What type of light do chromophores absorb during laser procedures?

Chromophores are molecules that absorb specific wavelengths of light due to the presence of conjugated double bonds or other suitable electronic structures. During laser procedures, the effectiveness of the treatment relies on the precise interaction between the laser light and the chromophores present in the target tissue.

Each chromophore has distinct absorption characteristics, meaning it will only absorb light at specific wavelengths that match its absorption spectrum. For example, melanin absorbs light at certain wavelengths within the visible spectrum, while oxyhemoglobin absorbs in different ranges. This specificity allows for targeted treatments, where lasers are tuned to emit light at wavelengths that match the absorption peaks of the desired chromophores, minimizing damage to surrounding tissues.

The other options do not accurately describe the nature of chromophore absorption. Chromophores do not absorb all types of light; they are selective and will not respond effectively to wavelengths that do not match their absorption characteristics. Similarly, stating that they only absorb visible light or infrared light is restrictive; many chromophores operate outside these categories, depending on the specific application and treatment being performed.