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Optical Vortex

All articles tagged with #optical vortex

science-and-technology1 year ago

"Spiral-Shaped Lens Revolutionizes Vision Correction for Varied Conditions"

Researchers have developed a spiral-shaped lens, known as the spiral diopter, that maintains clear focus at different distances in varying light conditions, similar to progressive lenses but without distortions. The lens, which creates multiple clear focus points, could revolutionize ophthalmology and advance contact lens technologies, intraocular implants for cataracts, and miniaturized imaging systems. Its simple design could also benefit compact imaging systems and offer a powerful tool for depth perception in advanced imaging applications. The lens was created using advanced digital machining and has shown promising results in improving visual acuity at various distances and lighting conditions.

healthtech1 year ago

"Spiral-Shaped Lens Revolutionizes Vision Correction Technology"

Scientists have developed a revolutionary spiral-shaped contact lens that utilizes an "optical vortex" to enable the eye to focus at different distances and in various lighting conditions. The lens, known as a spiral diopter, could potentially transform ophthalmology and also find applications in miniaturized imaging systems. Unlike existing multifocal lenses, the spiral diopter maintains multifocality regardless of pupil size and lighting conditions, offering consistently clear vision. While further research and testing are needed, the lens has shown promising results in simulations and volunteer experiments, with potential applications in eyewear and compact imaging systems.

technology2 years ago

Optical Vortices Revolutionize Next-Generation Printing

Scientists at Osaka Metropolitan University have developed an innovative optical vortex laser-based technique for precision printing, allowing for the precise placement of minuscule droplets with micrometer-scale accuracy. By using a special laser beam known as an optical vortex, the team achieved stable printing of high-viscosity liquids, enabling the fabrication of microdroplet laser arrays and the micropatterning of conductive nanoinks and bioinks for next-generation printed photonic or electronic devices. This breakthrough could lead to cost- and time-saving microprinting technologies.