Absorbers | Properties |
Ink | + Low cost |
| + Available as solution |
| + Compliant with nearly all basis materials |
| * Wide spectral absorption |
| * Long term stable |
| − Huge differences between batches |
Natural substances | + Low cost |
| * Mostly liquid |
| * Not compliant with solid basis materials |
| − Perishable, not long term stable |
| − Natural fluctuations, not reproducible |
Artificial, macrobiological dyes | − Relatively expensive (approx. 90?g) |
| − Only solvable in special solvants |
| + Compliant with solid basis materials |
| * Narrow spectral absorption |
| − Limited choice in the infrared range |
| + Very reproducible |