Axial resolving power (ARP) is one of the cornerstones of imaging systems. In conventional imaging systems, changing ARP by changing the numerical aperture affects also lateral …
Coded aperture 3D imaging techniques have been rapidly evolving in recent years. The two main directions of evolution are in aperture engineering to generate the optimal optical field …
D Gailevicius, R Zvirblis, K Galvanauskas… - Photonics, 2023 - mdpi.com
Laser Direct Writing (LDW), also known as 3D multi-photon laser lithography of resins, is a promising technique for fabricating complex free-form elements, including micro-optical …
Manufacturing diffractive lenses with a high Numerical Aperture (NA) is a challenging task due to limitations in lithography methods and the inverse relation between the width and the …
Y Zheng, X Ping, L Li, D Wang - Remote Sensing, 2024 - mdpi.com
Ocean Acoustic Waveguide Remote Sensing (OAWRS) typically utilizes large-aperture linear arrays combined with coherent beamforming to estimate the spatial distribution of …
In incoherent digital holography (IDH) and in any imaging technique, the lateral and axial resolutions are intertwined and consequently changing one characteristic affects the other …
Self-wavefront interference transverse splitting holography (SWITSH) is a recently developed holographic technique to solve a fundamental problem in the manufacturing of …
Manufacturing large area diffractive lenses (DLs) is a challenging task, as in many cases, the outermost zone width surpasses the photolithography limit and even the wavelength …
A Bleahu, S Gopinath, API Xavier… - … and Modern Trends …, 2023 - spiedigitallibrary.org
Manufacturing diffractive lenses with a high numerical aperture (NA) is often a challenging task. The challenge stems from the fundamental limit of lithography techniques and the …