3D Printing of Free-Form Optics: Andrea Giunto

This lecture by the instructor covers the topic of 3D printing free-form optical elements, focusing on the motivation behind free-form optics, traditional fabrication methods, and the innovative approach of dip-in laser lithography. The detailed method of 3D printing on single-mode fibers is explained, showcasing the advantages and reproducibility of the process. Various examples, such as collimating spherical lenses, toric lenses, and free-form intensity shaping, are presented to demonstrate the capabilities of this technology. The lecture also delves into polarization control using chiral photonic crystals and concludes by highlighting the versatility and potential applications of dip-in laser lithography.