optique

Additive manufacturing, also called three-dimensional (3D) printing, has become a robust production technology with many advantages over conventional fabrication techniques, including lower energy and material requirements.

The word « lens » takes its name from the Latin word for lentil. Both are both hemispheric shapes bound together on their flat surface. So a « flat lens » sounds like a contradiction of terms. Yet that is exactly what Andrei Faraon is working on at California Institute of Technology’s Nanoscale and Quantum Optics Lab.