"Breakthrough in High-Aperture Lens Technology with 3D-Printed Achromatic Metalenses"
Researchers have developed a new method for creating high-numerical aperture achromatic metalenses using 3D printing technology. By employing topology optimization and full wavelength simulations, the team designed multilayer lenses that can focus light efficiently across a broad range of wavelengths, overcoming the traditional trade-off between numerical aperture and bandwidth. These lenses are polarization-insensitive and show promise for a variety of applications, including imaging systems in fields like medicine and quantum technologies. The study, published in Science Advances, demonstrates the potential of 3D-printed optics to achieve high performance in compact and multifunctional devices.