Aaron K. LaViolette, Dimitre G. Ouzounov, and Chris Xu, “Measurement of three-photon excitation cross-sections of fluorescein from 1154 nm to 1500 nm”, Biomedical Optics Express Vol. 14, Issue 8, pp. 4369-4382 (2023). https://doi.org/10.1364/BOE.498214
Measurement of three-photon excitation cross-sections of fluorescein from 1154 nm to 1500 nm