Full-field imaging of guided ultrasonic wave fields using lensless digital holographyBeñat Gutiérrez-Cañas Pazos, Claas Falldorf, Björn Maack, Christoph Polle, Oliver Focke, Michael Koerdt, David May and Ralf B. BergmannJ. Eur. Opt. Society-Rapid Publ., 21 2 (2025) 39DOI: https://doi.org/10.1051/jeos/2025034