Check with seller Differentiation Between DFB Laser And DBR Laser - Inphenix
- Location: United States
A DFB laser is a type of diode laser that generates resonance and oscillation in the cavity using diffraction gratings rather than mirrors. A distributed feedback (DFB) laser’s purpose is to sharpen the output of conventional Fabry-Perot lasers.
On other hand, DBR lasers are among the earliest, if not the first, single-frequency lasers ever built. These are tunable single mode diode lasers with a resonator made of a short piece of active fiber sandwiched between two Fiber Bragg Gratings.
https://www.inphenix.com/en/dfb-laser-vs-dbr-laser/
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