Focusing light into scattering media, although challenging, is highly desirable in many realms. With the invention of time-reversed ultrasonically encoded (TRUE) optical focusing, acousto-optic ...

Microfluidic particle focusing is essential for diverse biomedical applications. However, conventional inertial focusing techniques are limited by particle size dependency, hindering effective 3D ...

Adding a rotational hyperbolic mirror after the parabolic one can reduce the F-number and thus the focal spot size significantly. As reported in Advanced Photonics Nexus, this secondary focusing ...

There have been important technological advancements made in the nondestructive testing (NDT) industry with total focusing method (TFM) capable inspection devices becoming more common. In terms of ...