Ultrasound, alone or in concert with circulating microbubble contrast agents, has emerged as a promising modality for therapy and imaging of brain diseases. While this has become possible due to ...
Tech Xplore on MSN
Programmable metasurface generates dozens of holograms at once
Over the past few decades, engineers have developed various devices that can create holograms, three-dimensional (3D) or ...
Abstract: Angular spectrum (AS) methods enable efficient calculation of wave propagation from one plane to another inside homogeneous media. For wave propagation in heterogeneous media such as ...
JWST and radio interferometry caught six massive galaxies colliding 12 billion years ago, while a young supermassive black ...
Morning Overview on MSN
Astronomers spotted a possible supernova remnant sitting right beside the Milky Way’s central black hole
Astronomers working with two of the world’s most powerful X-ray telescopes have identified what appears to be a young supernova remnant in the Sagittarius C region, sitting just a few light-years from ...
OAM_Fourier_Optics.m: Fourier optics and dyadic Green's function methods for modeling propagation of a vortex beam/wave. Zero padding is employed to avoid aliasing and minimize edge effects. OAM_TC.m: ...
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