Highly confined light fields demonstrate peculiar phase features, e.g., Gouy phase anomaly. Longitudinal-differential phase measurements by a high-resolution interference microscope are applied to investigate phase evolutions of confined light fields for physical optical phenomena.
Mahmut Selman Sakar, Ece Özelçi, Raquel Filipa Penacho Parreira
Sandor Kasas, María Inés Villalba, Priyanka Parmar
Toralf Scharf, Andreas Vetter, Michail Symeonidis