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The measured lifetimes of recommended picosecond lifetime standards in two-photon excitation.a
| Compound | Obs. [nm] | IRF | α | τ (ps) | ||
|---|---|---|---|---|---|---|
| RB+KI in H2O | 550 | Ludox | 1 | 14 | 2.0 | |
| RB+KI in H2O | 580 | Ludox | 1 | 16 | 1.9 | |
| RB+KI in H2O | 600 | Ludox | 1 | 17 | 1.4 | |
| RB+KI in H2O | 620 | Ludox | 1 | 17 | 1.9 | |
| Py1 in H2O | 620 | Ludox | 1 | 36 | 1.2 | |
| Py1 in H2O | 660 | Ludox | 1 | 36 | 1.6 | |
| Py1 in H2O | 700 | Ludox | 1 | 37 | 1.4 | |
| LDS 798 in H2O | 750 | Ludox | 1 | 27 | 1.9 |
The samples were excited at 810 nm.
