FLC - Frankfurt Laser Company GmbH develops, produces, and distributes FP, DFB, and DBR laser diodes, laser diode arrays, VCSELs, and QCLs. A distributed feedback (DFB) laser is a laser where the optical resonator is formed not by discrete mirrors at the ends (as in Fabry–Pérot laser diodes) but by a periodic variation of the refractive index or gain (a Bragg grating) distributed throughout the active medium. Typically, the periodic structure is made with a phase shift in its middle. Covering NIR to LWIR wavelengths (750nm–17µm), these lasers feature integrated DFB gratings and TEC cooling for robust. Offers high-quality DFB lasers (1018-1188 nm) for diverse applications. Our lasers support a wide range of operations from picosecond (15, 20 or 50 ps) to nanosecond pulses and CW, ideal for material processing, gas sensing, LiDAR, and semiconductor inspection. Schematic design of a laterally coupled DFB laser diode and electron micrograph of a metal grating DFB structure defined by E-Beam lithography Schematic of nanoplus Distributed Feedback Laser with spectrum Overgrowth-free processing of Distributed Feedback Laser Select your distributed feedback.