3 papers
physics.optics2026
Enhanced abrupt autofocusing and depth-of-focus of circular Airy derivative beams via controlled asymmetry
Anita Kumari, Vishwa Pal
We demonstrate simultaneous enhancement of abrupt autofocusing and depth-of-focus (DOF) in circular Airy derivative beams through controlled asymmetry. The controlled asymmetry ena…
physics.optics2026
Effusivity-Controlled Interfacial Thermal Transport Revealed by Nanoscale Optical Thermometry
Adarsh B Vasista, Anita Kumari, Yash P. Mhaske
Quantitative imaging of heat transport with high spatial and temporal resolution is essential for understanding thermal processes in heterogeneous systems, yet direct measurements…
physics.optics2024
Propagation of circular Airy derivative beams in complex media
Anita Kumari, Vasu Dev, Vishwa Pal
Controlling light propagation through complex media plays a significant role in a wide range of applications ranging from astronomical observations to microscopy. Although, several…