Version August 2025
| Chromophore | Light absorption range |
| DNA, RNA, proteins | Ultraviolet |
| Oxyhemoglobin | Blue-green > yellow >> near infrared |
| Red tattoo ink | Green |
| Green tattoo ink | Red |
| Aminolevulinic acid | Red, blue |
| Melanin | Ultraviolet > visible light >> near infrared |
| Black tattoo ink | Visible & near infrared |
| Deoxyhemoglobin | Near infrared |
| Sebaceous gland | Near infrared |
| Fat (adipocytes) | Near infrared |
| Water | Infrared |
