Researchers develop a nano-antenna that forms a near field of circularly polarized light

https://phys.org/news/2023-06-nano-antenna-field-circularly-polarized.html

"biomolecules, chemical substances, pharmaceuticals, new liquid controlling light polarization... dielectric nanoparticles, highly refractive... silicon nanoparticles average diameters 114 to 179 nm... helicity conservation incident circularly polarized light is possible in wavelengths of 550 to 750 nm... enhance interaction between light and chiral molecules... improves circular dichroism chiral molecules, enabling highly sensitive detection and analysis and increasing efficiency of asymmetric photochemical reactions"