Table 2. Various Types of Tissue Chromophores and Their Main Absorption Wavelengths .
Chromophores | Absorption Wavelengths (nm) |
Nucleic acid | 260-280 |
Protein | 280-300 |
Hemoglobin | 400, 542, 554, 576 |
Melanin | 400-800 |
Water | 1400-10000 |
Flavins | 420-500 |
Cytochrome oxidase | 620-900 |