daily coverage of the optics & photonics industry and the markets that it serves

The polymer distributed feedback (DFB) laser consists of a thin 350 nm fluorene copolymer film placed on top of a corrugated silica substrate. In the design, the thin polymer layer provides the gain and the corrugation provides the feedback.

Image Credit: Georgios Tsiminis

Copyright © 2021 SPIE EuropeDesigned by Kestrel Web Services