Distributed Feedback Lasers | Photonics Buyers' Guide

Photonics Buyers' Guide > Distributed Feedback Lasers

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(18 companies)

Distributed Feedback Lasers A distributed feedback laser is a laser system in which feedback is used to make certain modes in the resonator oscillate more strongly than others. In semiconductor lasers, a periodic corrugation in the active layer replaces the cleaved end mirrors, and the grating spacing is chosen to distribute the feedback in both directions, creating a condition that can approach single-mode oscillation.

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Frankfurt Laser Company - Friedrichsdorf, GermanyFrankfurt Laser Company develops, produces and distributes FP, DFB and DBR laser diodes, laser diode arrays, VCSELs and QCLs. Products include free-space, fiber-coupled, mid-IR and superluminescent laser diode modules. Power range is 266 nm to 12 microns and 5 mW to 750 W.
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Micro Laser Systems - Garden Grove, CAManufacturer of free-space and fiber-coupled lasers with diffraction limited performance. Lasers from 375 nm to 1600 nm have accessories for expanding or focusing the beam to various spot sizes at some distance. Fiber collimators can also generate large beams to focused spots. Custom assemblies for...
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TERMS
distributed feedback (DFB) laser A laser system in which feedback is used to make certain modes in the resonator oscillate more strongly than others. In semiconductor lasers, a periodic corrugation in the active layer replaces the cleaved end mirrors, and the grating spacing is...
semiconductor laser A semiconductor material which is designed and grown for the efficient production of short wavelength stimulated emission through high gain as well as low internal losses. Materials with band gap energies which emit radiation efficiently within the...