Flexible Waveguides Exhibit Low Light Loss for Biosensors, Wearables
LAUSANNE, Switzerland, Dec. 20, 2018 — Tiny, flexible waveguides, made in a clear silicone commonly used for biomedical applications, were created by a research team at École Fédérale de Lausanne (EPFL). To create the waveguides, the team used multiphoton laser direct writing, a microfabrication method in which a light-sensitive chemical is polymerized with a focused laser to create finely detailed 3D structures.