Two-photon excited fluorescence with shaped laser pulses for refractive beams S. S. A. S. Bukhari, R. Gottschalk and A. Lindinger Eur. Phys. J. D, 79 2 (2025) 10 Published online: 31 January 2025 DOI: 10.1140/epjd/s10053-025-00953-8