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Fabry-Perot

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Fabry-Perot
An optical structure containing a pair of mirrors at opposite ends of a cavity. Light reflects back and forth between the mirrors, and one or both transmit a fraction of the resonant frequency. The resonance is created by making the distance of one round trip between mirrors equal to an integral number of wavelengths of the cavity material. Optically speaking, this is an interferometer, because it relies on the interference of light for its operation. A Fabry-Perot device becomes a light generator when a laser medium is used in the cavity, otherwise it is a passive filter. See distributed feedback laser and etalon.
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SEI manufactures high-performance distributed-feedback (DFB) and Fabry-Perot LDs for use in advanced optical communications.
Sumitomo Electric Reaches Milestone of 10 Million Laser Diodes Shipped by Business Wire
The feedback loop incorporates a tuned Fabry-Perot etalon to provide a sharp optical frequency reference that maintains a high degree of absolute wavelength stability.
Fiberspace Gridlocker -- First Tunable Laser to Combine Exceptional ... by Business Wire
 
 
 
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