All articles tagged with #liquid crystal
Finnish company IXI is developing smart glasses with real-time autofocus capabilities using eye-tracking sensors and liquid crystal lenses, aiming to improve upon traditional bifocal and varifocal lenses by providing seamless, adjustable vision for both near and far distances, with plans for launch in Europe within a year.
Researchers in Taiwan have developed electronically adjustable smart glasses using liquid crystal gradient index lenses that can switch focus between near and far with a tap, potentially improving daily life for presbyopia sufferers and enhancing wearable device optics.
Researchers have discovered a spontaneous toroidal polar topology in the helielectric nematic state, a ferroelectric liquid-matter phase with polarized helices. This topology is generated through a flexoelectric effect, leading to the formation of previously unknown polar topological structures. The findings could pave the way for new polar topologies and the development of switchable ferroelectric-liquid-matter optoelectronic devices.
MIT engineers have discovered that chirality can emerge in a nonchiral material, specifically in a liquid crystal, when it flows slowly, forming large twisted structures. This unexpected finding opens new possibilities for designing structured fluids for drug delivery and optical sensing. The study's authors envision using the chiral liquid crystals as spiral scaffolds for assembling molecular structures and as optical sensors with altered light interactions. The research provides a simple way to engineer structured fluids and was supported by the U.S. National Science Foundation.
Researchers at Pohang University of Science and Technology have developed a method for generating meta-holograms in both the visible and ultraviolet spectral regions, overcoming prior limitations. They also devised a way to encode two distinct holographic phase profiles onto a single metasurface, leveraging polarization characteristics and liquid crystal, leading to potential applications in security technologies such as anti-counterfeiting measures, identifications, and passports.